Savings Calculator
Calculate Your eSIM Savings for Antigua and Barbuda (2026)
AT&T charges $10/day in Antigua and Barbuda. Verizon charges the same. Over 10 days, that bill reaches $100. A travel eSIM on FLOW's 4G LTE network costs $164.45 — -64% less. Here is the full breakdown.
Your carrier's roaming rate in Antigua and Barbuda
| Carrier | Plan | Daily Rate | 7-Day Cost |
|---|---|---|---|
| AT&T | International Day Pass | $10/day | $70 |
| Verizon | TravelPass | $10/day | $70 |
| T-Mobile | Magenta (high-speed add-on) | $15/day | $105 |
| Xfinity Mobile | International Pass | $10/day | $70 |
AT&T International Day Pass
AT&T's day pass in Antigua and Barbuda activates the moment your phone connects to FLOW's network abroad — including the two minutes of background data sync when you land. A full $10 charge runs whether you use 10MB or 10GB that day.
Verizon TravelPass
Verizon caps high-speed data at a daily threshold before throttling in Antigua and Barbuda. Once throttled, the $10/day charge continues. An eSIM at $7.47/GB delivers full-speed data up to the plan's GB ceiling with no hidden throttle.
T-Mobile Magenta (high-speed add-on)
T-Mobile's day pass covers data and calls to the US. Texts to local Antigua and Barbuda numbers are billed separately at $0.25-$0.50 per SMS in some plan tiers. Verify before sending local contact messages abroad.
Xfinity Mobile International Pass
Xfinity Mobile's day pass covers data and calls to the US. Texts to local Antigua and Barbuda numbers are billed separately at $0.25-$0.50 per SMS in some plan tiers. Verify before sending local contact messages abroad.
eSIM alternative cost for Antigua and Barbuda
Plan tiers for Antigua and Barbuda
| Tier | Price | Per GB |
|---|---|---|
| 1GB | $10.98 | $10.98 |
| 3GB | $26.10 | $8.70 |
| 5GB | $40.80 | $8.16 |
| 10GB | $74.66 | $7.47 |
| 20GBBest fit | $164.45 | $8.22 |
Unlimited daily option
| Days | Price | Per Day | Discount |
|---|---|---|---|
| 1 days | $17.28 | $17.28 | 4% |
| 3 days | $49.68 | $16.56 | 8% |
| 7 days | $115.92 | $16.56 | 8% |
| 14 days | $224.28 | $16.02 | 11% |
| 30 days | $442.80 | $14.76 | 18% |
Which provider covers Antigua and Barbuda
The primary provider for Antigua and Barbuda is Airalo, connecting to FLOW's 4G LTE network. Compare all eSIM providers
Savings breakdown
| Trip Length | AT&T | Verizon | T-Mobile HS | eSIM | You Save |
|---|---|---|---|---|---|
| 3 days | $30 | $30 | $45 | $40.80 | $-10.80 (-36%) |
| 7 days | $70 | $70 | $105 | $164.45 | $-94.45 (-135%) |
| 14 days | $140 | $140 | $210 | $164.45 | $-24.45 (-17%) |
| 21 days | $210 | $210 | $315 | $164.45 | $45.55 (22%) |
| 30 days | $300 | $300 | $450 | $164.45 | $135.55 (45%) |
Family and group savings
Carrier roaming charges multiply per person. eSIM savings multiply even faster for groups.
Solo traveler
Carrier: $100
eSIM: $164.45
Save $-64.45
Couple
Carrier: $200
eSIM: $328.90
Save $-128.90
Family of 4
Carrier: $400
eSIM: $657.80
Save $-257.80
Trip length calculator
How much data you need
Maps & navigation
50 MB/hr
Social media
80 MB/hr
Video calls
250 MB/hr
Photo uploads
10 MB/photo
Music streaming
70 MB/hr
Web browsing
60 MB/hr
Real savings scenarios for Antigua and Barbuda
Solo traveler
Break-even point for a solo Antigua and Barbuda trip: day one. AT&T charges $10 on the first calendar day. A 20GB eSIM at $164.45 is already cheaper than two AT&T days. By day 10, the eSIM has saved $0 total. There is no trip length at which AT&T roaming costs less than a travel eSIM for Antigua and Barbuda.
Family trip
Verizon TravelPass charges per line, not per account. A family of four pays $40/day ($10 x 4 lines). Over 10 days in Antigua and Barbuda: $400. Four eSIMs at $164.45 each: $657.80. Per-person savings: $-64.45. All eight data connections (4 carrier, 4 eSIM) route through FLOW's 4G LTE towers.
Business trip
A 1-hour Zoom call in Antigua and Barbuda on AT&T pay-per-use (no plan): 450 MB at $2.05/MB = $922.50. On AT&T International Day Pass: $10 for the day, but the day pass charges even if you only took one call. On a 20GB eSIM at $164.45: 450 MB is a fraction of the plan. Business travelers average 2-3 video calls per day in Antigua and Barbuda. The eSIM handles all of them within the same $164.45 fixed cost.
Long-stay and digital nomads
Per-hour data cost in Antigua and Barbuda at different trip lengths: 5-day trip: AT&T = $0.63/waking hour, eSIM = $0.93/waking hour. 14-day trip: AT&T = $0.63/waking hour, eSIM = $0.70/waking hour. 30-day stay: AT&T = $0.63/waking hour, eSIM = $1.40/waking hour. (Assuming 16 waking hours/day.) AT&T's per-hour rate stays flat. The eSIM's per-hour rate drops as the plan spreads across more days.
Frequent traveler annual savings
Frequent travelers to Antigua and Barbuda (4 trips/year) face $400 in annual AT&T roaming charges. Four 20GB eSIMs total $657.80 for the same year. Annual savings: $-257.80. All eight connections (4 AT&T, 4 eSIM) route through FLOW's 4G LTE towers.
Extended stay economics
Extended stays over 30 days open a third option: local prepaid SIMs in Antigua and Barbuda. Local prepaid SIMs run $10-$30/month but require in-person purchase and passport registration. A travel eSIM on FLOW at $448.20 for 30 days eliminates the store visit. AT&T at $300/month is the most expensive option regardless of stay length. For stays over 60 days, a local SIM may beat the eSIM on per-GB price, but the eSIM avoids registration paperwork and works from day one.
Frequent flyer savings
AT&T roaming of $100 for 10 days in Antigua and Barbuda represents 3-7% of a typical international trip budget ($1,500-$3,000 for flights, hotel, food). An eSIM at $164.45 drops that line item to under 1%. Over 2 annual trips, roaming goes from $200 to $328.90. That $-128.90 pays for an extra dinner and museum visit per trip.
Data usage savings
A traveler using Google Maps 3 hours/day in Antigua and Barbuda consumes 24 MB/day in navigation data. Over 10 days: 240 MB (0.2 GB). AT&T charges $10/day regardless of how little data you use. An eSIM at $7.47/GB on FLOW charges $1.79 for navigation alone. The eSIM's per-activity cost is a fraction of the per-day fee.
Couples trip savings
When a couple splits up during the day in Antigua and Barbuda (one at a museum, one at a market), each phone needs its own data connection for maps and messaging. Hotspot sharing fails when partners are apart. Two individual 20GB eSIMs at $164.45 each: $328.90 total. AT&T for two lines: $200. Independent eSIMs save $-128.90 while providing separate data for separate activities.
UK carrier comparison
UK travelers face lower daily roaming rates than US travelers: Vodafone GBP6/day vs AT&T $10/day in Antigua and Barbuda. But the eSIM still costs less than both. Vodafone 10-day total: GBP60. AT&T 10-day total: $100. eSIM: $164.45. The eSIM wins regardless of which home country the traveler comes from.
Our verdict
Against AT&T: $0 saved (0%). Against Verizon: $0 saved. Against T-Mobile high-speed: $0 saved. Against T-Mobile free tier: $0 carrier cost but 256 Kbps speed renders maps, ride-hailing, and video calls unusable. A 20GB eSIM at $164.45 delivers full 4G LTE on FLOW for less than any paid roaming option.
How much can I save with eSIM in Antigua and Barbuda?
A travel eSIM saves $0 on a 10-day Antigua and Barbuda trip compared to AT&T roaming. AT&T charges $10/day, totaling $100. The eSIM costs $164.45 for 20GB on FLOW's network. That is a 0% reduction on the same cell towers. Rates verified May 2026.
How much does roaming cost in Antigua and Barbuda?
Without an international plan, AT&T charges $2,050 per gigabyte in Antigua and Barbuda. The International Day Pass reduces this to $10/day ($100 for 10 days). Verizon TravelPass charges $10/day. An eSIM on FLOW: $164.45. Verified May 2026.
Antigua and Barbuda network context
Local networks
Antigua and Barbuda has 1 mobile network. The primary carriers are FLOW, Digicel.
Connectivity notes
- Good coverage on both islands
Good to know
One operator, FLOW, runs all mobile coverage in Antigua and Barbuda. Carrier roaming and eSIM plans use the same infrastructure — comparing costs is the only meaningful variable.
Quick tip
Antigua and Barbuda uses XCD (EC$). eSIM plans charge in USD at the time of purchase — you lock in the cost before travel and avoid in-country exchange rate moves.
Frequently asked questions
- How much does AT&T roaming cost for 10 days in Antigua and Barbuda?
- AT&T International Day Pass charges $10/day in Antigua and Barbuda. A 10-day trip costs $100 in roaming charges. This activates automatically when your phone connects to a local network abroad.
- Is a travel eSIM cheaper than Verizon TravelPass in Antigua and Barbuda?
- Verizon TravelPass charges $10/day in Antigua and Barbuda. A 10-day trip costs $100. A 20GB eSIM covers the same trip for $164.45 on the same local network — saving you -64%.
- How much data do I need for a week in Antigua and Barbuda?
- Most travelers use 1-2 GB per day for maps, messaging, social media, and light browsing. A 7-day trip needs 7-14 GB. Video calls and streaming push usage to 3+ GB per day. Choose a 10GB or 20GB plan for heavy use.
- Can a family share one eSIM in Antigua and Barbuda?
- One eSIM stays in one phone, but most eSIM plans allow tethering (personal hotspot). A family of 4 can share a single 10-20GB eSIM through one phone's hotspot instead of paying $10/day per person for carrier roaming.
- Does T-Mobile free data work in Antigua and Barbuda?
- T-Mobile Magenta includes free data in Antigua and Barbuda, but speed is capped at 256 Kbps. That is too slow for Google Maps, video calls, or uploading photos. The high-speed add-on costs $15/day.
- How much does a 30-day eSIM cost for Antigua and Barbuda?
- A 30-day eSIM for Antigua and Barbuda depends on data volume. Metered plans (5-20GB) typically range from $8 to $35. Unlimited daily plans run $1-2/day. Both connect to the same local network as carrier roaming at a fraction of the cost.
- How much does carrier roaming cost in Antigua and Barbuda?
- A family of four on AT&T in Antigua and Barbuda pays $40/day ($10/day per line x 4). Over a week that reaches $280. The same family shares one travel eSIM on FLOW starting at $10.98 for 1GB — a single purchase covers all devices through tethering. Verizon charges the same per-line rate. T-Mobile includes free data at 256 Kbps, which cannot load a map.
- Is T-Mobile's free international data fast enough in Antigua and Barbuda?
- No. At 256 Kbps, T-Mobile's free international tier in Antigua and Barbuda cannot load a map tile in under 15 seconds. Video calling needs 2 Mbps minimum — eight times what T-Mobile provides for free. Their paid speed upgrade runs $15/day. A 4G LTE eSIM on FLOW at $7.47/GB gives you real speeds without the daily fee.
- How is my roaming bill calculated in Antigua and Barbuda?
- At 3 days in Antigua and Barbuda: AT&T costs $30, eSIM costs 1GB for $10.98. At 7 days: AT&T $70, eSIM same 1GB for $10.98. At 14 days: AT&T $140, eSIM same fixed rate. The eSIM billing model is flat — the longer the trip, the wider the gap. T-Mobile free tier is $0 but too slow at 256 Kbps to be usable beyond text.
- Will my travel eSIM data speed get throttled in Antigua and Barbuda?
- Travel eSIMs in Antigua and Barbuda on fixed-data plans run at full FLOW 4G LTE speeds until the data cap is reached — then the connection either stops or drops to 128-256 Kbps depending on the provider. AT&T International Day Pass at $10/day uses your home plan's allowance; if your home plan has a soft cap, the same throttle applies in Antigua and Barbuda. T-Mobile's free international tier is throttled from the start at 256 Kbps. For unthrottled data on FLOW at $7.47/GB, buy a data volume that covers your full trip rather than relying on post-cap speeds. Rates checked June 2026.
- How does Cricket Wireless or Mint Mobile compare to a travel eSIM for Antigua and Barbuda?
- Cricket Wireless (AT&T MVNO) charges $10/day for international roaming in Antigua and Barbuda — the same rate as AT&T, since Cricket runs on AT&T's billing infrastructure. Mint Mobile (T-Mobile MVNO) does not include international data plans; Mint customers pay T-Mobile's international per-MB rate or purchase a separate travel eSIM. A travel eSIM on FLOW at $7.47/GB is the lower-cost option for both Cricket and Mint subscribers traveling to Antigua and Barbuda. For Mint users, a travel eSIM is the only practical path to affordable mobile data abroad. Rates checked June 2026.