Guinea-Bissau · roaming cost calculator
eSIM vs Roaming in Guinea-Bissau: How Much Do You Save?
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Guinea-Bissau eSIM data plans: allowances, prices, networks
Airalo's app rates 4.8 on iOS and 4.6 on Android. In Guinea-Bissau it routes through Orange GW's 4G LTE network at $5.74/GB — real-time data usage tracking shows how much you have left.
Get eSIMHolafly's Guinea-Bissau plan uses Orange GW's 4G LTE towers with no data cap per day. For trips over five days, the per-day cost beats most per-GB alternatives.
Get eSIMSaily connects to Orange GW in Guinea-Bissau at $5.74/GB with VPN included. Travelers who regularly use public WiFi in cafes, hotels, or transit hubs avoid paying $13/month for a separate VPN subscription.
Get eSIMNomad offers straightforward Guinea-Bissau plans on Orange GW's 4G LTE network from $5.74/GB. Simple checkout, no frills.
Get eSIMCompare providers: Airalo vs Holafly · Airalo vs Saily · Airalo vs Nomad · Holafly vs Saily · Holafly vs Nomad · Saily vs Nomad
The full picture
Guinea-Bissau international day pass rates by carrier
Every major carrier's published Guinea-Bissau rate, side by side, with the eSIM winner highlighted.
| Carrier | Plan type | Daily | 7-day | Speed | Data limit |
|---|---|---|---|---|---|
| Vodafone | Roaming Passport | $6.00source | $42.00 | LTE | Fair-use |
| EE | Roam Abroad | $6.00source | $42.00 | LTE | Fair-use |
| AT&T | International Day Pass | $10.00source | $70.00 | LTE | Plan data |
| Verizon | TravelPass | $10.00source | $70.00 | LTE | Plan data |
| eSIM · Airalo | 1 GB · 7 days | — | $5.74 | LTE / 5G | 1 GB |
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
What AT&T charges per activity in Guinea-Bissau — no day pass
Here is how the first morning in Guinea-Bissau plays out on AT&T pay-per-use (no plan active). You wake up, open Google Maps to find coffee nearby (~50 MB). You check email and a few attachments load (~5 MB). You scroll Instagram for 15 minutes while you wait (~20 MB). That totals 75 MB. At $2.05/MB, your first morning costs $154 before 9 AM. A 5-minute FaceTime call to confirm plans adds $154. By noon, after another hour of navigation, the bill reaches $410. These are AT&T's published pay-per-use charges. Source: AT&T rate card, June 2026.
Personalize your savings
How much will you save with an eSIM in Guinea-Bissau?
Adjust your trip length, carrier, and data habits to see your exact savings.
Network coverage
Guinea-Bissau carrier and network analysis
Guinea-Bissau has one mobile operator: Orange. AT&T, Verizon, and travel eSIM providers all route through Orange. There is no network variable to compare — only price. AT&T: $10/day. eSIM: $5.74/GB. Your phone's radio connects to Orange either way. The difference is which billing layer sits above that connection. We checked the peak speed on Orange in Guinea-Bissau: 4G LTE. AT&T roaming connects to that same 4G LTE signal. A travel eSIM connects to the same signal. No speed premium exists for roaming over eSIM.
Pricing breakdown
Guinea-Bissau trip data costs by carrier and eSIM
AT&T International Day Pass in Guinea-Bissau: $10/day x 14 days = $140. eSIM 10GB plan on Orange GW: $57.40 for the same 14 days. Difference: $82.60 less than AT&T (59%). Verizon TravelPass reaches $140 over the same period.
Each day AT&T connects you to Orange GW in Guinea-Bissau costs $10. Buy a 10GB eSIM plan at $57.40 and that same daily access drops to $4.10/day. Over 14 days, the difference is $82.60.
eSIM pricing for Guinea-Bissau: 1GB at $7.74 ($7.74/GB), 3GB at $22.49 ($7.50/GB), 5GB at $28.68 ($5.74/GB), 10GB at $68.82 ($6.88/GB), 20GB at $129.05 ($6.45/GB). AT&T's 14-day roaming bill is $140 regardless of data consumed. Unlimited eSIM data costs $216.72 for the same period, $-76.72 less.
Trip cost breakdown
Guinea-Bissau data cost scenarios: short trip to long stay
Three common trip types to Guinea-Bissau and what each costs on AT&T vs a Orange GW eSIM:
Weekend city break (3 days, 2GB): AT&T $30 · eSIM $22.49 · saves $7.51 (25%) 2-week family vacation (14 days, 15GB): AT&T $140 · eSIM $129.05 · saves $10.95 (8%) 1-month digital nomad (30 days, 50GB): AT&T $300 · eSIM $301.25 · saves $-1.25 (0%)
AT&T charges $10/day whether you use 50 MB or 5 GB that day. eSIM plans charge for a fixed data block purchased once. At no point in any of the three scenarios does carrier roaming cost less. Rates checked June 2026.
Airport options
Getting connected at Guinea-Bissau airports
Buying a SIM card at the airport in Guinea-Bissau means waiting in line after a long flight, handing over your passport, and paying a tourist-markup price. A 1GB eSIM at $7.74 installs in 2 minutes from the provider's app. It activates on Orange GW's network the moment you turn off airplane mode.
Data planning
Data costs for 7 days in Guinea-Bissau: carrier vs eSIM
One hour of video streaming consumes about 1 GB. Two hours/day of streaming in Guinea-Bissau uses 2 GB daily, more than 1.5 GB average usage. For a 7-day trip with occasional streaming, budget at least 11GB.
A 20GB eSIM costs $129.05 for 7 days. AT&T charges $70 for the same trip on the same Orange GW towers. For heavy data users, unlimited daily plans start at $15.48/day — still cheaper than any carrier roaming pass.
Connectivity
Free WiFi spots and cellular data in Guinea-Bissau
WiFi infrastructure in Guinea-Bissau is concentrated in luxury hotels and a few urban areas. Outside those zones, an eSIM on Orange GW is often the only reliable data source at $5.74/GB.
Plan your data
Data usage guide for Guinea-Bissau travel
Summer travel to Guinea-Bissau means peak hotel rates, peak airfare, and AT&T roaming at $10/day on top. A 10-day trip generates $100 in AT&T charges alone. A 20GB eSIM on Orange GW at $129.05 removes that line item — saving $-29.05 regardless of when you travel.
Guinea-Bissau has one mobile operator: Orange. US carriers pay Orange for roaming access and pass that cost to you at $10/day. An eSIM connects to Orange directly at $5.74/GB — no carrier markup.
Local prices in Guinea-Bissau are in XOF (CFA), but eSIM plans are priced in USD, eliminating exchange rate uncertainty on your data costs.
Quick reference
Guinea-Bissau Travel Essentials
112/119
112, 119 are the emergency numbers in Guinea-Bissau. Different numbers may route to different services — save all of them before your trip. Emergency calls work from any mobile device, including travel eSIMs.
Type C
Guinea-Bissau uses Type C outlets (European two round-prong). US plugs require a Type C adapter. Check that your phone and laptop chargers show 100-240V input — most modern chargers are compatible.
GMT (UTC+0)
XOF (CFA)
Cash in XOF is preferred across most of Guinea-Bissau outside major hotels and tourist centers. Card terminals are not common in local markets or small restaurants. Withdraw enough cash at a reliable ATM before leaving the city — rural areas may not have ATM access.
Quick tip
Prices in Guinea-Bissau are in XOF (CFA). Buying an eSIM in USD before departure removes the variable of exchange rates affecting your data cost mid-trip.
Good to know
Guinea-Bissau uses Type C power sockets. A dead phone means a dead eSIM connection — pack the right adapter to keep your device charged between venues.
Step by step
How to add a Guinea-Bissau eSIM to your phone
- Verify eSIM compatibility — any iPhone from 2018 or Samsung Galaxy S20 and later works on Guinea-Bissau's LTE network via Orange GW
- Go to Airalo, select the Guinea-Bissau 1GB plan at $7.74, and complete checkout — no physical SIM needed. Not sure which provider to pick? See our provider comparison.
- On iPhone: go to Settings > Cellular > Add eSIM > Use QR Code and scan the Airalo code before you leave home so it is ready to activate on arrival
- On Samsung Galaxy: go to Settings > Connections > Mobile Networks, select your home carrier SIM, and turn off Data Roaming. The step-by-step roaming guide has Android screenshots.
- On Google Pixel when you land in Guinea-Bissau: go to Settings > Network > SIMs and set the Airalo eSIM as the preferred data SIM — LTE on Orange GW confirms in seconds
- First-timer tip: set up WiFi Calling before your trip, not at the airport — some carriers require a verification step that needs a home network connection to complete
Data tips
Offline strategies and data tips for Guinea-Bissau
Posting to social media from Guinea-Bissau uses more data than browsing. Uploading one photo to Instagram uses about 3-5 MB. A 60-second video upload uses 30-100 MB depending on resolution. Set your camera to 1080p rather than 4K to cut video upload size by 75%.
Regional context
Africa roaming rates and how Guinea-Bissau fits in
A few things to know before turning off carrier roaming in Guinea-Bissau:
Very limited mobile infrastructure
Forgot your eSIM?
Last-minute eSIM options for Guinea-Bissau arrivals
Forgot to buy an eSIM before flying to Guinea-Bissau? Three options, ranked by total cost.
Option 1 — Airport WiFi install ($7.74 total): The arrivals area has free WiFi. All four providers (Airalo, Holafly, Saily, Nomad) support post-arrival purchase over WiFi. Buy a 1GB plan for $7.74. No extra charge beyond the plan.
Option 2 — Hotel lobby WiFi install ($7.74 total): If airport WiFi failed, hotel lobby WiFi works just as well. Check in, get the password, complete the eSIM install. Same $7.74 cost.
Option 3 — Emergency carrier download ($10 + $7.74 total): Use ~5 MB of AT&T pay-per-use data to download the provider app ($10). Install the eSIM over the app, then disable carrier data. Total cost: $17.740000000000002.
Guinea-Bissau FAQ
Guinea-Bissau eSIM & roaming questions
How much does carrier roaming cost in Guinea-Bissau?
A family of four on AT&T in Guinea-Bissau pays $40/day ($10/day per line x 4). Over a week that reaches $280. The same family shares one travel eSIM on Orange GW starting at $7.74 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 Guinea-Bissau?
No. At 256 Kbps, T-Mobile's free international tier in Guinea-Bissau 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 Orange GW at $5.74/GB gives you real speeds without the daily fee.
How is my roaming bill calculated in Guinea-Bissau?
At 3 days in Guinea-Bissau: AT&T costs $30, eSIM costs 1GB for $7.74. At 7 days: AT&T $70, eSIM same 1GB for $7.74. 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.
Is a travel eSIM worth buying for a 3-day trip to Guinea-Bissau?
Yes. AT&T International Day Pass for 3 days costs $30. Verizon TravelPass costs $30. A travel eSIM on Orange GW for a 3-day trip at 1.5 GB/day average costs roughly $25.83 — often covered by a 3 GB plan. The breakeven is day one: a single day of eSIM data costs less than one AT&T day pass in Guinea-Bissau. The only exception: T-Mobile Magenta customers in Mexico and Canada pay nothing for roaming. Rates checked June 2026.
Will I get a surprise roaming bill from Guinea-Bissau?
Only if data roaming is still enabled when you land. AT&T pay-per-use rates hit $2.05/MB in Guinea-Bissau — a background app sync can rack up charges before you open your phone. Even with a day pass at $10/day, a two-week trip costs $140. An eSIM at $5.74/GB eliminates bill shock — you pay a fixed amount upfront and cannot be charged more regardless of background data activity.
Do US carriers support roaming in Guinea-Bissau?
AT&T covers Guinea-Bissau at $10/day. Verizon covers most African countries at $10/day. T-Mobile includes Guinea-Bissau at 256 Kbps (free but unusable for data-heavy apps). A travel eSIM on Orange GW provides full 4G LTE speeds at $5.74/GB — the same carrier infrastructure as roaming, at a fraction of the cost.
Is mobile data reliable enough in Guinea-Bissau to replace carrier roaming?
Guinea-Bissau has 1 carrier providing 4G LTE coverage. Urban and tourist areas have solid coverage; rural regions may have gaps. A travel eSIM connects to Orange GW — the exact same network carrier roaming uses — at $5.74/GB. Coverage quality is identical to what AT&T or Verizon routes through.
How much does a 10-day trip to Guinea-Bissau cost in carrier roaming versus an eSIM?
AT&T International Day Pass for 10 days: $100. Verizon TravelPass: $100. T-Mobile high-speed: $150. A travel eSIM on Orange GW at $5.74/GB for 10 days at 1.5 GB/day average costs roughly $86.10. The eSIM saves over 80% versus any carrier's paid roaming option. Rates checked June 2026.
Does carrier roaming work in rural areas of Guinea-Bissau, or only in cities?
Both carrier roaming and travel eSIMs connect through Orange GW's towers in Guinea-Bissau. Coverage outside major cities depends on how widely Orange GW has deployed — the same gaps that affect an eSIM also affect AT&T and Verizon roaming. Urban centers and tourist corridors have consistent signal; rural and off-road areas may have limited or no service. There is no coverage advantage to choosing carrier roaming over an eSIM; both are subject to the same Orange GW network footprint.
How much does carrier roaming cost for a week in Guinea-Bissau?
AT&T: $70/week (International Day Pass at $10/day). Verizon: $70/week (TravelPass). T-Mobile: free at 256 Kbps or $105/week for usable speed. The cheapest eSIM for Guinea-Bissau starts at $5.74/GB on Orange GW's 4G LTE network — better per-GB value than all three carriers.
Fact check
Common myths about roaming and eSIM in Guinea-Bissau
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 Guinea-Bissau routes through Orange GW. A travel eSIM also routes through Orange GW. Both connections depend on Orange GW's coverage in any given area. AT&T charges $10/day for a connection with zero reliability advantage over the $7.74 eSIM.
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 $2,050. A single Google Maps navigation session in Guinea-Bissau loads 50–100 MB — that is $100–$205 at pay-per-use. A 1GB eSIM on Orange GW costs $7.74 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 free tier is capped at 256 Kbps in Guinea-Bissau — too slow to load a map tile or stream a 30-second clip. Their high-speed add-on costs $5–$15/day depending on destination. Exception: Mexico and Canada get full LTE/5G speed at no charge under the USMCA agreement. Guinea-Bissau is not on that list. Rates checked June 2026.
Our recommendation
Guinea-Bissau eSIM recommendation
Airalo vs the alternatives for Guinea-Bissau: Airalo: Airalo covers Guinea-Bissau on Orange GW's network with the widest plan selection in the market. A 1GB plan costs $7.74. Regional bundles cover neighboring countries on a single eSIM. The app tracks data usage in real time — helpful for managing a fixed-GB plan. Holafly is the alternative for heavy data users — unlimited daily plans start at $15.48/day.
A 7-day trip to Guinea-Bissau costs $42+ on carrier roaming vs $5.74 on eSIM
A travel eSIM connects to Guinea-Bissau networks from $5.74. No daily roaming fees.
Get a Guinea-Bissau eSIM