Mexico · roaming cost calculator
Mexico Roaming Price Audit: $84 on AT&T, $37.02 on an eSIM
HelloRoam is the top pick for Mexico: its 7-day unlimited plan costs $20.76, at full speed for the first 1 GB a day, against $84 for a week on AT&T's $12-a-day pass, a $63 gap, and Nomad is next cheapest at $22. HelloRoam refunds an unactivated eSIM for 180 days. Airalo covers 200+ destinations to HelloRoam's 185. HelloRoam's price is from its catalogue of 29 Oct 2026, rivals' from the 30 Oct 2026 price check; AT&T's rate was checked June 2026.
The Mexico audit below runs in dollars because the carrier bills in dollars. HelloRoam prices checkout in 31 currencies, so a $37.02 purchase can be paid without a dollar conversion.
Mexico eSIM providers and published plan rates
In Mexico, HelloRoam's 7-day unlimited plan costs $20.76, against the $84 AT&T bills for seven International Day Pass days at $12 each on the same towers.
Get eSIMHolafly sells unlimited daily data in Mexico. Remote workers and streamers avoid per-GB tracking on longer stays — one flat daily rate covers the whole trip.
Get eSIMNomad's per-GB rates are most competitive in Southeast Asia and popular tourist routes. In Mexico, 5G data at $2.30/GB is among the lower per-GB rates in the market.
Get eSIMFor a 2-3 day trip to Mexico, Airalo's 1GB plan at $2.40/GB covers maps and messaging. A 3GB plan handles a full week of moderate use.
Get eSIMSaily's Mexico plan sells 5G access. VPN toggle and eSIM management live in one privacy-focused app — no separate NordVPN install needed.
Get eSIMCompare providers: Airalo vs Holafly · Airalo vs Saily · Airalo vs Nomad · Airalo vs HelloRoam · Holafly vs Saily · Holafly vs Nomad · Holafly vs HelloRoam · Saily vs Nomad · Saily vs HelloRoam · Nomad vs HelloRoam
The full picture
Mexico roaming fee comparison: four carriers, one table
Every major carrier's published Mexico rate, side by side, with the eSIM winner highlighted.
| Carrier | Plan type | Daily | 7-day | Speed | Data limit |
|---|---|---|---|---|---|
| AT&T | International Day Pass | $12.00source | $84.00 | LTE | Plan data |
| Verizon | TravelPass (Mexico and Canada) | $6.00source | $42.00 | LTE | Plan data |
| T-Mobile | Included in Mexico and Canada | $0.00*source | $0.00 | LTE | 2GB per 1 Day pass |
| Xfinity Mobile | International Pass | $10.00source | $70.00 | LTE | 200 MB/day |
| eSIM · HelloRoam | 20GB data plan | — | $37.02 | 5G | 20GB |
*T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps.
* Xfinity Mobile International Pass: $10/day with 200 MB/day high-speed cap
Compare all carrier roaming plans to see how AT&T, Verizon, T-Mobile, Vodafone, and EE stack up against eSIM providers.
Pay-per-use cost audit
The cost of forgetting your international plan in Mexico
One day in Mexico without an international plan: typical phone use runs roughly 450 MB. At AT&T's $2.05/MB pay-per-use rate, that day costs $922. Breakdown: 1 hour of navigation ($102), 30 minutes of Zoom ($922), uploading 20 photos ($410), light social media. One day with a Mexico eSIM on a local network: roughly $0.5 when you spread the plan cost across your trip. AT&T's International Day Pass is $12/day and avoids pay-per-use entirely — but even that costs more than most eSIM plans cover for the same period. Source: AT&T rate card, June 2026.
Personalize your savings
Your Mexico saving against $12 a day
Adjust the trip length, the carrier and the daily data below and the calculator reprices both sides. The starting point is the 7-day average stay recorded for Mexico: $84 on an AT&T day pass at $12 a day, against $37.02 for a 20GB travel eSIM. Both prices buy access to the same local operators.
Network coverage
Mobile network quality in Mexico
We checked AT&T's international partner list for Mexico: Telcel. We checked travel eSIM providers' network disclosures for Mexico: also Telcel. The network does not change. The price does. AT&T charges $12/day. The cheapest eSIM plan for this destination works out to $1.85/GB. Telcel provides 5G in Mexico's urban centers and LTE in suburban and rural zones. Both AT&T roaming and travel eSIMs fall back to LTE outside 5G zones automatically. That fallback behavior is identical. AT&T charges $12/day for it; the eSIM charges $1.85/GB. Mexico has urban-only 5G coverage. AT&T Mexico launched 5G in Mexico City and major cities; Telcel expanding Telcel has 60%+ market share and widest coverage; essential for travel beyond major tourist corridors.
Network attachment record
The networks behind both prices in Mexico
HelloRoam publishes 2 local operators for Mexico: AT&T and Telcel.
An eSIM attaches to one of them on arrival.
HelloRoam names no default, so the file cannot say which one your handset picks.
HelloRoam records a 5G label against all 2 operators.
Carrier roaming runs on local operators too. That is what a roaming agreement buys.
Same masts, two invoices. The gap on this page is a billing gap.
5G and 4G here are capability labels. Neither one is a speed reading.
AT&T and Telcel carry the eSIM in Mexico. Across the whole file HelloRoam names 154 operators over 185 destinations, 117 of them with a single operator and 1.48 on average. Roaming buys wholesale access to that same list.
| Operator | Network generation on file |
|---|---|
| AT&T | 5G |
| Telcel | 5G |
Source: HelloRoam package feed, read 17 August 2026. The feed publishes an operator list for every destination it sells. No speed test sits behind this table, and we ran none. The full operator map covers 185 destinations.
Pricing breakdown
Mexico data cost comparison: what carriers charge vs eSIM
For 14 days in Mexico: AT&T charges $12 a day, $120 in total, for roaming at 5G. Verizon charges $84 for the same access. A 20GB eSIM on a local network delivers 20GB of 5G data for $37.02. Same speed, same carrier infrastructure, 69% lower bill.
Each day AT&T connects you to Telcel in Mexico costs $12. Buy a 20GB eSIM plan at $37.02 and that same daily access drops to $2.64/day. Over 14 days, the difference is $82.98. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. T-Mobile does not charge for data in Mexico, up to its plan's high-speed allowance; US travelers should check their plan before buying separate data.
Mexico eSIM plans scale up from the smallest tier: 1GB at $3.49 ($3.49/GB), 3GB at $8.59 ($2.86/GB), 5GB at $13.48 ($2.70/GB), 10GB at $24.59 ($2.46/GB), 20GB at $37.02 ($1.85/GB). Pick the tier that matches your expected data use. Heavy users can take the unlimited option at $2.70/day, which totals $37.74 for 14 days, still below AT&T's $120 at $12 a day. Mexico eSIM at $1.85/GB is moderate — local Telcel prepaid at $0.50/GB is much cheaper but eSIM adds convenience. Travelers in Mexico average 1.2GB of mobile data per day, so a 14-day trip needs roughly 17GB.
The unlimited ladder for Mexico reads 1 day at $3.37, 3 days at $9.60, 7 days at $20.76, 14 days at $37.74, 30 days at $68.75. Unlimited here means 1GB a day at full speed before a fair-use policy applies. At 30 days the rate is $2.29 a day. Catalogue prices read 29 Oct 2026.
Trip cost breakdown
Weekend, two-week, and month-long trips to Mexico: carrier vs eSIM
Three days in Mexico costs $36 on AT&T at $12/day. A 2GB eSIM on a local network covers the same period for $8.59. Difference: $27.41.
Fourteen days costs $120 on AT&T, because it bills at most 10 daily fees per line each bill cycle. A 20GB eSIM on a local network covers 15GB of photos and video calls for $37.02. Difference: $82.98 (69%).
Thirty days on AT&T costs $120. A 50GB eSIM on a local network covers 50GB for $92.52. Difference: $27.48 over the month. AT&T rate: $12/day regardless of data consumed, at most 10 daily fees per line each bill cycle. Rates checked June 2026.
Airport options
Mexico airport SIM prices compared to eSIM
SIM options at Mexico City (MEX) / Cancún (CUN) / Guadalajara (GDL): Telcel and AT&T Mexico sell prepaid cards for $10-25 for 5-15GB / 15-30 days. If you land late and the counter is closed, hotel WiFi becomes your only fallback until morning. A 1GB eSIM at $3.49 sidesteps that risk — it activates on a local network the second your plane lands, regardless of airport hours. City shops sell SIMs for $5-15 for 3-10GB / 30 days if cost is the priority.
Local alternative
Local SIM vs eSIM in Mexico
Airport SIM counters in Mexico sell prepaid cards for $5-15 for 3-10GB / 30 days. Per-gigabyte, the local option costs less than an eSIM. An eSIM skips the queue and keeps your home number active on dual SIM.
Data planning
What 7 days of data costs in Mexico
Navigation apps use about 50 MB/hour while routing. Four hours of map use per day in Mexico burns 200 MB before you touch social media or email. Total daily data lands near 1.2GB for most travelers. A 7-day trip needs 9GB. Good WiFi in hotels and cafes reduces your mobile data needs.
The 10GB plan at $24.59 gives you roughly 10 hours of video streaming, or 128 hours of social media browsing. AT&T charges $84 for the same 7 days on the same local network. For heavy data users, a 1-day unlimited plan costs $3.37, still under AT&T's $12/day pass.
Connectivity
Trusting public WiFi in Mexico: risks and alternatives
Mexico has solid WiFi in hotels and cafes, which helps offset data usage. Mexico City holds Guinness World Record for most free WiFi hotspots (21,500+); good cafe WiFi in tourist areas Cellular data from an eSIM is more dependable for transit navigation, ride-hailing apps, and anything time-sensitive.
Plan your data
Estimating data for a trip to Mexico
Mexico's peak season (Dec-Apr) brings the highest flight and hotel prices — adding carrier roaming at $12/day makes it worse. A 20GB eSIM on a local network costs $37.02 for 7 days. That saves $46.98 vs AT&T, money better spent on the trip itself.
Mexico has two mobile operators: Telcel and AT&T. When AT&T or Verizon customers roam here, their calls and data pass through these exact networks. A travel eSIM reaches Telcel or AT&T directly at $1.85/GB — the service is identical; the roaming markup is not.
Airport SIM counters at Mexico City (MEX) / Cancún (CUN) / Guadalajara (GDL) charge $10-25 for 5-15GB / 15-30 days after a 10-15 min wait — still more than a 20GB eSIM at $37.02. Local prepaid SIMs in Mexico run $5-15 for 3-10GB / 30 days, requiring an in-person stop and sometimes a passport copy. An eSIM at $37.02 skips that entirely. Prices stable; OXXO convenience stores sell affordable Telcel top-ups
Quick reference
Mexico Travel Essentials
911
911 reaches police, fire, and ambulance in Mexico. Save the number before you arrive — do not rely on memory in an emergency. 911 works from any phone, including a travel eSIM with no local number.
Type A/B
US plugs (Type A flat two-prong and Type B three-prong) fit Mexico's outlets directly. No adapter is needed for phones, laptops, or standard US electronics. Voltage is 120V — compatible with dual-voltage US chargers.
CST/MST/PST (UTC-6 to -8)
MXN ($)
Tap-to-pay (Apple Pay, Google Pay) is accepted at most stores and restaurants in Mexico. Visa and Mastercard work at virtually all merchants. Carry a small amount of local MXN for markets, taxis, and small vendors that do not have card readers.
Quick tip
Traveling to Mexico during Dec-Apr? Book your eSIM before departure — airport SIM counters have longer wait times in peak months.
Quick tip
Local prices in Mexico are in MXN ($). eSIM plans are priced in USD, eliminating exchange rate uncertainty.
Step by step
Before you fly to Mexico: eSIM installation steps
- First time using an eSIM: call your carrier or check Settings > General > About > Carrier Lock on iPhone to verify your device is unlocked — Mexico eSIMs require an unlocked phone
- Returning HelloRoam user: log in, select Mexico from recent destinations, and repurchase the 1GB plan at $3.49 — saved payment details cut checkout to under 30 seconds. Compare providers to make sure you're still getting the best rate.
- Returning user: if HelloRoam supports direct eSIM activation (no QR required), tap Activate in the app and your Mexico profile installs automatically — do this before your flight to Mexico City (MEX) / Cancún (CUN) / Guadalajara (GDL) so it activates the moment you land
- Disable data roaming on your carrier SIM in Settings > Cellular > Cellular Data Options. See the step-by-step guide to turning off data roaming for screenshots.
- Switch your active data line to the eSIM at Mexico City (MEX) / Cancún (CUN) / Guadalajara (GDL) and you will be on 5G within seconds
- Use WiFi Calling on your home SIM line so you can receive calls and texts without paying roaming voice rates
Data tips
Data-saving tips for Mexico
Currency converter apps use under 1 MB per session. Bank apps with push notifications use minimal background data. The higher risk is two-factor authentication: your bank may send a code to your home number, which requires cellular reception or call forwarding. Test your bank's 2FA method before traveling to Mexico.
Regional context
How Mexico compares to other North America destinations for data
A few things to know before turning off carrier roaming in Mexico:
T-Mobile US includes free unlimited data in Mexico — check if your US plan covers it before buying a SIM
OXXO convenience stores (like 7-Eleven) sell Telcel recharges at every corner
Mexico City has 21,500+ free WiFi hotspots — the most of any city in the world
Telcel dominates with 60%+ market share and widest coverage; AT&T is second
Many restaurants and cafes in tourist areas have WiFi passwords posted on tables or receipts
Mexico City holds Guinness World Record for most free WiFi hotspots (21,500+); good cafe WiFi in tourist areas Roaming passes charge $12/day to fill WiFi gaps. An eSIM covers the same connectivity at $1.85/GB.
No SIM registration needed in Mexico — buy a Telcel SIM at any OXXO in 5 minutes, or use eSIM for instant setup.
Dry season December-April is peak; Día de los Muertos (November 1-2) and Christmas are high season
Nearby
Related destinations
3 destinations near Mexico are priced on the same rate card. AT&T bills $12 a day in every one of them, and the figure beside each flag is that destination's own per-gigabyte floor. The cheapest of the group is United States at $1.06 a gigabyte.
Forgot your eSIM?
Post-arrival eSIM options in Mexico
The fastest emergency option in Mexico: turn on AT&T cellular data long enough to download the Airalo app. The app download is approximately 5 MB. At AT&T's $2.05/MB pay-per-use rate, that download costs $10. Once the app is installed, turn carrier data back off. Connect to Mexico City (MEX) / Cancún (CUN) / Guadalajara (GDL)'s free WiFi, buy a Mexico eSIM plan, and scan the QR code. Your eSIM on a local network then handles all data at $3.49 for 1GB. The $10 carrier charge is a one-time cost, not a daily fee. AT&T's International Day Pass costs $12 for that same day and $12 again for every day after it.
Savings math
How much you save in Mexico
Solo traveler
T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. AT&T charges $12 per 24 hours ($84 for 7 days). Verizon charges $6 per 24-hour session here ($42), and nothing extra on its Unlimited plans. A 20GB eSIM on a local network costs $37.02. For T-Mobile users within the allowance, the carrier plan wins. For AT&T users, the eSIM saves $46.98.
Family trip
A family of four on AT&T visiting Mexico for 7 days: 4 lines x $12/day x 7 days = $210. Four individual 20GB eSIMs on a local network: $148.08. Family savings: $61.92. Alternative: two eSIMs with tethering for two devices each costs $74.04 total. That cuts the family data bill to 35% of AT&T roaming.
AT&T roaming rate analysis
AT&T International Day Pass in Mexico: $12/day. 7-day cost: $84. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps; AT&T's day pass is a separate charge. A 20GB eSIM on a local network: $37.02. AT&T customers visiting Mexico save $46.98 with an eSIM.
All-carrier summary
AT&T: AT&T International Day Pass costs 127% more than an eSIM for Mexico.
Verizon: Verizon TravelPass costs 13% more than an eSIM for Mexico.
T-Mobile: T-Mobile is the cheapest option for Mexico at $0 within its plan's allowance.
Mexico is one of two destinations where carrier roaming can cost $0. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. AT&T charges $12 per 24 hours ($84 for 7 days). Verizon charges $6 per 24-hour session here, or nothing extra on its Unlimited plans. A 20GB eSIM on a local network costs $37.02. Verdict: T-Mobile wins here within its allowance. AT&T customers save $46.98 with an eSIM.
Quick answers
Common questions about Mexico data costs
Is eSIM cheaper than roaming in Mexico?
The eSIM price for Mexico starts at $37.02 for 20GB on a local network. AT&T roaming for the same 7-day trip runs $84 at $12/day. That is a $46.98 gap on the same cell towers. For a family of four, the combined savings reach $187.92. Rates checked June 2026.
How much does roaming cost in Mexico?
AT&T charges $12 a day and Verizon $6 (nothing extra on its Unlimited plans) for Mexico roaming. UK carriers charge approximately GBP6/day. A 7-day trip costs $84 on AT&T and $42 on Verizon. A travel eSIM on a local network costs $37.02 for 20GB. Rates checked June 2026.
Does T-Mobile work in Mexico?
Yes, at no extra charge up to the plan's allowance. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. For heavy data use, a Telcel eSIM at $37.02 provides dedicated 20GB. Rates checked June 2026.
AT&T fine print for Mexico
$12 covers 24 hours from the first time your phone uses a foreign network, and a single background push notification at 2 AM can start it. AT&T bills at most 10 daily fees per line each bill cycle (terms read 31 Oct 2026).
iCloud Photos, email push, app updates all trigger the daily charge. A phone left in a bag with data roaming on starts a new $12 fee each time a sync lands after the last 24 hours ran out.
Mexico FAQ
Mexico eSIM & roaming questions
T-Mobile does not charge for Mexico data, and AT&T bills $12 a day
If your Mexico trip crosses into another country, T-Mobile's Mexico and Canada terms stop at the border: elsewhere its Experience plans include 5GB or 15GB of high-speed data, then up to 256Kbps. AT&T charges $12 per 24 hours, and Verizon $12 outside Mexico and Canada. A travel eSIM covering multiple countries can be bought at a fixed regional rate, with no per-day billing at any border.
T-Mobile does not charge for data in Mexico, up to its plan's high-speed allowance
For most trips, yes. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. Until that allowance runs out, no eSIM in this comparison beats a price of nothing, and this page does not pretend otherwise. Buy one of the five plans on a local network from $1.85/GB if your plan's allowance is smaller than your trip needs, or if you want a second data line. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
Mexico roaming bills by the day on AT&T, and T-Mobile bills nothing up to its allowance
AT&T bills $12 per 24 hours from the first time your phone touches a Mexico tower, at most 10 fees per line each bill cycle. Verizon charges $6 per 24-hour TravelPass session in Mexico, and its Unlimited plans include Mexico at no extra cost. Without a pass, each megabyte on AT&T costs $2.05, making 1 GB of accidental usage cost $2,099. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. A travel eSIM at 1GB for $3.49 makes sense for AT&T users who want flat-rate billing with zero overage risk.
Hotspot caps differ by provider on Mexico plans
Holafly is the one to check. Its unlimited plans cap mobile hotspot at 1 GB a day, which is the trade for uncapped data on the phone itself. Fixed-data plans from Nomad, HelloRoam, Saily, and Airalo let you spend the bucket however you like, tethering included, because a gigabyte shared with a laptop is the same gigabyte. Read the plan page anyway, since a small number of budget plans restrict hotspot use. AT&T allows hotspot under International Day Pass at $12/day per line, or $84 across a week in Mexico. If the laptop is the point of the trip, buy fixed data on Telcel at $1.85/GB rather than an unlimited day plan. Rates checked June 2026.
An hour of streaming in Mexico uses more data than a day of maps
An hour of Netflix in HD uses about 3 GB by Netflix's own figures, so it costs about $5.55 at $1.85/GB on Telcel. Standard definition uses about 700 MB, or $1.30. YouTube at 720p uses about 900 MB an hour. Streaming is the one habit that breaks a fixed-data plan. HelloRoam's 7-day unlimited plan has the lowest median of the five at $21.50 across 35 countries, against $27.50 on Holafly, but HelloRoam's plan runs at full speed for 2 GB a day in 33 of those 35 countries, under one HD hour. Holafly states no daily cap, which is where it earns its price for a heavy streamer. AT&T covers streaming under the $12/day pass but charges it whether you watch or not. Download over hotel WiFi and the question disappears. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
AT&T's day pass keeps your number live in Mexico, which a data-only eSIM does not
Your own number, live on the cellular network, with no app and no WiFi. That is the whole list, and it is worth $12/day to some travelers. International Day Pass covers Mexico at $12/day, or $84 a week, and draws data from your home allowance. Without it AT&T bills $2.05 a megabyte, which reaches $2,099 a gigabyte. Data-only plans from HelloRoam, Holafly, Nomad, Airalo, and Saily cost $1.85/GB on Telcel and carry no number at all. Most travelers close that gap free with WiFi Calling, which routes the home number over any connection. If calls from local numbers matter to you, the day pass is the simpler product. Rates checked June 2026.
Verizon TravelPass costs $42 for a week in Mexico
No. Verizon TravelPass costs $6/day in Mexico — $42 for a week. A travel eSIM starts at $1.85/GB on a local 5G network. The eSIM delivers the same speed on the same carrier infrastructure at 80-95% lower total cost.
T-Mobile does not charge for data in Mexico
T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. AT&T charges $12 per 24 hours and Verizon $6. A travel eSIM on Telcel at $1.85/GB delivers full 5G without per-day billing.
Switching data roaming off before landing in Mexico stops the bill
Turn off data roaming on your carrier SIM before landing in Mexico. AT&T's per-day charge fires from any background cellular contact — even a push notification overnight — at $12 per 24 hours. Without a plan, the rate is $2.05/MB. Install a travel eSIM via QR code before departure and set it as the active data SIM. Your carrier SIM stays active for calls and texts with WiFi Calling; the eSIM handles data at $1.85/GB.
A week of Mexico carrier roaming costs $84
AT&T: $84/week (International Day Pass at $12/day). Verizon: $42/week (TravelPass). T-Mobile: 5GB or 15GB of high-speed data included on its Experience plans, then up to 256Kbps, or $50 for a week of passes (10-day pass). The cheapest eSIM for Mexico starts at $1.85/GB on a local 5G network — better per-GB value than all three carriers.
Fact check
eSIM and roaming misconceptions for Mexico travelers
Pay-per-use international data rates are reasonable
AT&T's pay-per-use international data rate is $2.05/MB without an active plan. At that rate, 1 GB costs $2,099. A single Google Maps navigation session in Mexico loads 50–100 MB — that is $102–$205 at pay-per-use. A 1GB eSIM on a local network costs $3.49 for the same data. Always activate a day pass or eSIM before your flight. Rates checked June 2026.
T-Mobile includes free international data
T-Mobile's Experience plans include 5GB or 15GB of high-speed data abroad, then up to 256Kbps, too slow to load a map tile in Mexico past the allowance. T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps, and Mexico is one of the two. Rates checked June 2026.
Carrier roaming is more reliable than an eSIM
Reliability is determined by the local carrier's network, not the billing layer above it. AT&T roaming in Mexico routes through a local network. A travel eSIM also routes through a local network. Both connections depend on local network coverage in any given area. AT&T charges $12/day for a connection with zero reliability advantage over the $3.49 eSIM.
Our recommendation
Mexico data cost verdict
Our pick for Mexico: HelloRoam. HelloRoam covers Mexico on a local network and scores 9.9/10 on our rubric, the highest of the 5 providers we price. A 1GB plan costs $3.49. Unactivated plans are refundable for 180 days, and its support replies in your own language. Holafly is the alternative for heavy data users: it states no daily cap, at a 7-day unlimited median of $27.50 on 30 Oct 2026.
Learn more
Travel guides, Mexico
4 guides carry the parts of a Mexico trip this page does not price: installing the profile before departure, switching data roaming off on the home SIM, and what happens to the allowance once a fair-use policy applies. Each one reads the same rate card as this page, where AT&T bills $12 a day.
Get Mexico data for $37.02 instead of $84 in carrier roaming
Over 7 days, carrier roaming in Mexico runs $84. A 20GB eSIM plan costs $37.02. Difference: $47.
Get a Mexico eSIM