Savings Calculator
French Guiana eSIM Savings Calculator: Roaming vs eSIM (2026)
A 10-day trip to French Guiana costs $100 in AT&T roaming. A 20GB eSIM costs $17.99 on Orange GF's network. You save $82.01 (82%). Enter your trip length below to calculate your savings.
Your carrier's roaming rate in French Guiana
| 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 does not publish a per-day data ceiling for its $10 French Guiana pass. In practice, speed throttling has been reported on sustained high-bandwidth use. An eSIM at $0.90/GB specifies a defined GB limit with no undisclosed throttle.
Verizon TravelPass
One week of Verizon roaming in French Guiana costs $70 ($10/day through Orange GF). An eSIM on Orange GF starts at $0.90/GB for the same connection.
T-Mobile Magenta (high-speed add-on)
T-Mobile's International Day Pass in French Guiana runs on Orange GF at $15/day. A travel eSIM delivers identical coverage from $0.90/GB.
Xfinity Mobile International Pass
Xfinity Mobile's International Day Pass in French Guiana runs on Orange GF at $10/day. A travel eSIM delivers identical coverage from $0.90/GB.
eSIM alternative cost for French Guiana
Plan tiers for French Guiana
| Tier | Price | Per GB |
|---|---|---|
| 1GB | $1.57 | $1.57 |
| 3GB | $2.88 | $0.96 |
| 5GB | $5.68 | $1.14 |
| 10GB | $9.34 | $0.93 |
| 20GBBest fit | $17.99 | $0.90 |
Unlimited daily option
| Days | Price | Per Day | Discount |
|---|---|---|---|
| 1 days | $1.75 | $1.75 | 4% |
| 3 days | $5.02 | $1.67 | 8% |
| 7 days | $11.72 | $1.67 | 8% |
| 14 days | $22.68 | $1.62 | 11% |
| 30 days | $44.77 | $1.49 | 18% |
Which provider covers French Guiana
The primary provider for French Guiana is Airalo, connecting to Orange GF's 5G network. Compare all eSIM providers
Savings breakdown
| Trip Length | AT&T | Verizon | T-Mobile HS | eSIM | You Save |
|---|---|---|---|---|---|
| 3 days | $30 | $30 | $45 | $5.68 | $24.32 (81%) |
| 7 days | $70 | $70 | $105 | $17.99 | $52.01 (74%) |
| 14 days | $140 | $140 | $210 | $17.99 | $122.01 (87%) |
| 21 days | $210 | $210 | $315 | $17.99 | $192.01 (91%) |
| 30 days | $300 | $300 | $450 | $17.99 | $282.01 (94%) |
Family and group savings
Carrier roaming charges multiply per person. eSIM savings multiply even faster for groups.
Solo traveler
Carrier: $100
eSIM: $17.99
Save $82.01
Couple
Carrier: $200
eSIM: $35.98
Save $164.02
Family of 4
Carrier: $400
eSIM: $71.96
Save $328.04
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 French Guiana
Solo traveler
T-Mobile advertises free data in French Guiana, but it runs at 256 Kbps. The high-speed upgrade costs $15/day, reaching $150 over 10 days. A 20GB eSIM on Orange GF delivers full 5G for $17.99. The gap: $132.01 (88%). T-Mobile's free tier is usable only for plain text messages.
Family trip
Two travelers on Verizon in French Guiana for 10 days: 2 lines x $10/day x 10 = $200. Two 20GB eSIMs: $35.98. Savings: $164.02 for the couple. If only one person needs heavy data, one eSIM with tethering costs $17.99 total and covers both devices through the phone's hotspot feature.
Business trip
Day 1 in French Guiana: AT&T charges $10 the moment you turn on your phone at the airport. Day 2: another $10 triggered by a background sync at 6 AM. Day 3: $10 more, totaling $30 for a 3-day trip. A 20GB eSIM costs $17.99 for all three days combined. For a team of three: AT&T total $150 vs eSIM total $53.97. Savings: $96.03.
Long-stay and digital nomads
A weekend (3-day) trip to French Guiana: AT&T roaming costs $30. An eSIM costs roughly $5.68. Savings: $24.32. A 14-day trip: AT&T costs $140. eSIM costs $18.90. Savings: $121.10. Carrier roaming adds $10 for every extra day. An eSIM plan covers a fixed period regardless of daily charges. The break-even point is day one in French Guiana.
Frequent traveler annual savings
Annual eSIM savings for 4 trips to French Guiana: $328.04. That covers 1 round-trip Uber rides, 6 museum admissions, or 21 meals in French Guiana. The data connection is identical on Orange GF; the savings go toward experiences.
Extended stay economics
Two weeks in French Guiana on AT&T International Day Pass: $10/day x 14 = $140. Verizon TravelPass: $140. T-Mobile high-speed add-on: $210. A 20GB eSIM on Orange GF covers the same 14 days for $18.90. That is $121.10 less than AT&T (87% savings). The per-day cost of the eSIM works out to $1.35/day vs AT&T's fixed $10/day. French Guiana also has unlimited daily eSIM plans at $1.82/day, which totals $54.60 for 30 days of unrestricted data.
Frequent flyer savings
Verizon TravelPass compounds faster for families. A family of four taking 2 trips to French Guiana per year: 4 lines x $10/day x 10 days x 2 trips = $800/year. Eight eSIMs (4 per trip x 2 trips): $143.92/year. Family annual savings: $656.08.
Data usage savings
Social media usage in French Guiana: Instagram, TikTok, and WhatsApp consume roughly 0.6 GB/hour combined. Two hours of daily social media over 10 days: 12.0 GB. AT&T cost for those 10 days: $100 (flat daily rate). eSIM cost on Orange GF: $10.80 at $0.90/GB. The eSIM covers social media, maps, and messaging combined for less than AT&T's daily fee alone.
Couples trip savings
A 10-day trip to French Guiana already costs $2,000-$5,000 in flights and hotels. AT&T adds $200 in roaming for two lines. That roaming charge alone covers 4 additional restaurant dinners in French Guiana. Two 20GB eSIMs at $35.98 total redirect $164.02 from carrier roaming to the trip itself. Both eSIMs connect to Orange GF's 5G network — identical to what AT&T routes through.
UK carrier comparison
UK carriers lost EU free-roaming after Brexit. Vodafone and EE now charge GBP6/day for rest-of-world destinations including French Guiana. Some plans still include EU roaming, but French Guiana may or may not fall under that zone. A 20GB eSIM at $17.99 applies the same rate regardless of EU classification. UK travelers save $42.01 vs Vodafone and $42.01 vs EE for 10 days.
Our verdict
The savings math for French Guiana is clear. Solo: $82.01 saved vs AT&T for 10 days. Family of four: $328.04 saved. Annual (2 trips): $164.02 saved. All figures use the same Orange GF 5G network. The eSIM costs less at every trip length and every group size.
How much can I save with eSIM in French Guiana?
An eSIM cuts French Guiana data costs by 82% compared to carrier roaming. AT&T charges $100 for 10 days. A 20GB eSIM on Orange GF costs $17.99. The saved $82.01 covers meals, transportation, or activities in French Guiana. Verified May 2026.
How much does roaming cost in French Guiana?
AT&T charges $10/day in French Guiana. A 7-day trip costs $70. A 14-day trip costs $140. A 10-day trip costs $100. An eSIM alternative on Orange GF starts at $17.99 for the same network. Verified May 2026.
French Guiana network context
Local networks
French Guiana has 1 mobile network. The primary carriers are Orange GF, Digicel, SFR GF.
Connectivity notes
- French department — EU roaming applies
- Coverage limited outside Cayenne
Good to know
One operator, Orange, runs all mobile coverage in French Guiana. Carrier roaming and eSIM plans use the same infrastructure — comparing costs is the only meaningful variable.
Quick tip
French Guiana uses EUR (€). 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 French Guiana?
- AT&T International Day Pass charges $10/day in French Guiana. 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 French Guiana?
- Verizon TravelPass charges $10/day in French Guiana. A 10-day trip costs $100. A 20GB eSIM covers the same trip for $17.99 on the same local network — saving you 82%.
- How much data do I need for a week in French Guiana?
- 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 French Guiana?
- 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 French Guiana?
- T-Mobile Magenta includes free data in French Guiana, 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 French Guiana?
- A 30-day eSIM for French Guiana 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 French Guiana?
- AT&T charges $10/day on International Day Pass for French Guiana. Verizon charges $10/day on TravelPass. T-Mobile includes French Guiana for free at 256 Kbps — barely fast enough for text messages, not usable for maps or apps. Without any plan, AT&T's pay-per-use rate is $2.05/MB, meaning a single Google Maps session costs over $10. A travel eSIM on Orange GF starts at $1.57 for 1GB — the same 5G network at a fraction of the daily roaming cost.
- Is T-Mobile's free international data fast enough in French Guiana?
- No. 256 Kbps sounds like it covers light use, but even a single email with an attachment or a 30-second map route takes over a minute to load at that speed. T-Mobile's free tier in French Guiana is functional only for plain text messages. The paid upgrade runs $15/day — identical to AT&T's roaming fee. A travel eSIM on Orange GF at $0.90/GB costs less per GB than any day-pass option and has no speed restriction.
- How is my roaming bill calculated in French Guiana?
- A traveler lands in French Guiana, checks one notification, and AT&T bills $10 for the entire calendar day. That is how per-day billing works — any cellular connection, even a background sync at midnight, triggers the full daily charge. Without a day pass, AT&T charges $2.05/MB. A 15-second Instagram scroll could cost $30. An eSIM at 1GB for $1.57 is a fixed cost: no per-day triggers, no per-MB metering, no bill surprises.
- How does Cricket Wireless or Mint Mobile compare to a travel eSIM for French Guiana?
- Cricket Wireless (AT&T MVNO) charges $10/day for international roaming in French Guiana — 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 Orange GF at $0.90/GB is the lower-cost option for both Cricket and Mint subscribers traveling to French Guiana. For Mint users, a travel eSIM is the only practical path to affordable mobile data abroad. Rates checked June 2026.
- How good is rural coverage on a travel eSIM in French Guiana?
- Rural coverage in French Guiana depends on Orange GF's tower density outside major cities. A travel eSIM connects to the same towers as AT&T roaming at $10/day — coverage quality is identical because both use the same local network. Urban centers in French Guiana have solid 5G coverage; remote areas and national parks may drop to slower speeds or lose signal entirely. Before rural travel, download offline maps (Google Maps, Maps.me) over WiFi to reduce cellular dependency. Neither carrier roaming nor an eSIM at $0.90/GB changes the underlying tower infrastructure. Rates checked June 2026.