Savings Calculator
How Much You Save with eSIM vs Carrier Roaming in Bulgaria (2026)
AT&T charges $10/day in Bulgaria. Verizon charges the same. Over 5 days, that bill reaches $50. A travel eSIM on A1 Bulgaria's 4G LTE network costs $8.06 — 84% less. Here is the full breakdown.
Your carrier's roaming rate in Bulgaria
| Carrier | Plan | Daily Rate | 7-Day Cost |
|---|---|---|---|
| Vodafone | Roaming Passport | £6/day | £42 |
| EE | Roam Abroad | £6/day | £42 |
| AT&T | International Day Pass | $10/day | $70 |
| Verizon | TravelPass | $10/day | $70 |
Vodafone Roaming Passport
Vodafone pays A1 Bulgaria for roaming access in Bulgaria and bills you £6/day. A travel eSIM connects to A1 Bulgaria directly at $0.77/GB — same towers, no markup.
EE Roam Abroad
EE routes through A1 Bulgaria towers in Bulgaria at £6/day — the same network an eSIM reaches from $0.77/GB.
AT&T International Day Pass
A1 Bulgaria operates the 4G LTE towers in Bulgaria. AT&T resells access at $10/day. An eSIM accesses A1 Bulgaria directly from $0.77/GB.
Verizon TravelPass
A1 Bulgaria operates the 4G LTE towers in Bulgaria. Verizon resells access at $10/day. An eSIM accesses A1 Bulgaria directly from $0.77/GB.
eSIM alternative cost for Bulgaria
Plan tiers for Bulgaria
| Tier | Price | Per GB |
|---|---|---|
| 1GB | $2.21 | $2.21 |
| 3GB | $3.47 | $1.16 |
| 5GB | $5.20 | $1.04 |
| 10GBBest fit | $8.06 | $0.81 |
| 20GB | $17.03 | $0.85 |
Unlimited daily option
| Days | Price | Per Day | Discount |
|---|---|---|---|
| 1 days | $2.52 | $2.52 | 4% |
| 3 days | $7.23 | $2.41 | 8% |
| 7 days | $16.87 | $2.41 | 8% |
| 14 days | $32.65 | $2.33 | 11% |
| 30 days | $64.45 | $2.15 | 18% |
Which provider covers Bulgaria
The primary provider for Bulgaria is Airalo, connecting to A1 Bulgaria'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 | $5.20 | $24.80 (83%) |
| 7 days | $70 | $70 | $105 | $17.03 | $52.97 (76%) |
| 14 days | $140 | $140 | $210 | $17.03 | $122.97 (88%) |
| 21 days | $210 | $210 | $315 | $17.03 | $192.97 (92%) |
| 30 days | $300 | $300 | $450 | $17.03 | $282.97 (94%) |
Family and group savings
Carrier roaming charges multiply per person. eSIM savings multiply even faster for groups.
Solo traveler
Carrier: $50
eSIM: $8.06
Save $41.94
Couple
Carrier: $100
eSIM: $16.12
Save $83.88
Family of 4
Carrier: $200
eSIM: $32.24
Save $167.76
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
WiFi availability in Bulgaria
WiFi in Bulgaria is rated good. Use eSIM data to fill the gaps when WiFi is unavailable or unreliable.
Real savings scenarios for Bulgaria
Solo traveler
Solo trip to Bulgaria, 5 days. AT&T: $10/day x 5 = $50. Verizon: $10/day x 5 = $50. T-Mobile high-speed: $15/day x 5 = $75. eSIM 10GB on A1 Bulgaria: $8.06. The eSIM saves $41.94 vs AT&T, $41.94 vs Verizon, and $66.94 vs T-Mobile's paid tier.
Family trip
Families with mixed carriers — one parent on AT&T, one on Verizon, kids on T-Mobile — face $50/day in combined roaming for Bulgaria. Over 5 days: $250. Four eSIMs on A1 Bulgaria at $8.06 each: $32.24. Savings: $217.76. One purchase per person, no coordination between carriers.
Business trip
Five employees attending a conference in Bulgaria for 5 days: AT&T roaming for the team: 5 x $10/day x 5 = $250. Five 20GB eSIMs: $85.15. Team savings: $164.85. All five connect to A1 Bulgaria's 4G LTE network. The eSIM receipts are cleaner for expense processing: one charge per person, no daily line items.
Long-stay and digital nomads
Seasonal residents spending 60-90 days in Bulgaria: AT&T roaming at $10/day for 60 days = $600. For 90 days: $900. An unlimited eSIM at $2.62/day for 90 days: $235.80. At these durations, a local SIM card or a monthly local plan becomes the most cost-effective option. But compared to keeping AT&T or Verizon roaming active, an eSIM saves $692.10 over a 90-day stay.
Frequent traveler annual savings
If Bulgaria is one stop on a multi-destination travel year: AT&T charges $10/day in every country. eSIM prices vary by destination. For Bulgaria alone: $50 (AT&T) vs $8.06 (eSIM) per 5-day trip. Across 4 international trips averaging 5 days each, AT&T charges $200 in roaming alone. eSIMs for the same itineraries run 80-95% less per trip.
Extended stay economics
A remote worker billing a client for Bulgaria connectivity: AT&T line item: $300/month. Coworking space WiFi in Bulgaria: $50-$150/month. eSIM on A1 Bulgaria: $46.20/month. The eSIM provides cellular backup when coworking WiFi drops during client calls. AT&T's Day Pass does the same but costs $253.80 more per month. Over a 3-month stay: AT&T totals $900, eSIM totals $138.60.
Frequent flyer savings
AT&T roaming of $50 for 5 days in Bulgaria represents 3-7% of a typical international trip budget ($1,500-$3,000 for flights, hotel, food). An eSIM at $8.06 drops that line item to under 1%. Over 2 annual trips, roaming goes from $100 to $16.12. That $83.88 pays for an extra dinner and museum visit per trip.
Data usage savings
Remote workers on video calls consume the most data in Bulgaria. Zoom/Teams at standard quality: 1.5 GB/hour. Two 1-hour calls/day for 5 days: 15 GB. AT&T: $50 (the daily fee does not increase with usage). eSIM on A1 Bulgaria: $11.55 at $0.77/GB for 15 GB. Even heavy video call users pay less with the eSIM.
Couples trip savings
When a couple splits up during the day in Bulgaria (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 10GB eSIMs at $8.06 each: $16.12 total. AT&T for two lines: $100. Independent eSIMs save $83.88 while providing separate data for separate activities.
UK carrier comparison
Vodafone and EE apply fair-use data caps to roaming in Bulgaria. Once the cap is reached, speed drops to near-2G levels while the GBP6/day charge continues. The fair-use threshold is not published prominently. A 10GB eSIM at $8.06 has a stated data ceiling with no hidden throttle. You know exactly how much data you get and the speed does not degrade until the plan is fully consumed.
Airport SIM vs eSIM
Bulgaria's Sofia (SOF) offers prepaid SIMs at $5-10 for 5-10GB / 28 days with a 15-30 minute wait. An eSIM installs before your flight and activates on landing — no queue, no paperwork.
Our verdict
Bottom line for Bulgaria: the eSIM wins. $8.06 for 10GB on A1 Bulgaria vs $50 on AT&T for 5 days. Same towers, same speeds, 84% lower cost. No daily triggers, no per-MB billing, no bill surprises from background app syncs.
How much can I save with eSIM in Bulgaria?
eSIM savings in Bulgaria scale with trip length. A 7-day trip saves $52.97 vs AT&T ($70 roaming vs $17.03 eSIM). A 14-day trip saves $122.97 ($140 vs $17.03). Both connect to A1 Bulgaria's network. Rates verified June 2026.
How much does roaming cost in Bulgaria?
Roaming in Bulgaria costs $10/day on AT&T ($50 for 5 days), $10/day on Verizon ($50), and $15/day on T-Mobile for high-speed data ($75). A travel eSIM on A1 Bulgaria costs $8.06 for 10GB. Rates verified June 2026.
Bulgaria network context
Local networks
Bulgaria has 3 mobile networks. The primary carriers are A1 Bulgaria, Vivacom, Yettel BG.
Speed and coverage
Average download speeds reach 132 Mbps in Bulgaria. 5G coverage is limited. 5G trials in Sofia Both carrier roaming and eSIM connect to the same local infrastructure.
Connectivity notes
- Bulgaria has fast mobile speeds (132 Mbps) despite limited 5G
- One of the cheapest EU countries for mobile data
- Uses Bulgarian lev pegged to euro
Quick tip
Bulgaria draws 13M (2024) international visitors per year. Carrier roaming is the default for most — the price comparison takes less time than the airport immigration queue.
Quick tip
Traveling to Bulgaria during Jun-Sep? Book your eSIM before departure — airport SIM counters have longer wait times in peak months.
Frequently asked questions
- How much does AT&T roaming cost for 5 days in Bulgaria?
- AT&T International Day Pass charges $10/day in Bulgaria. A 5-day trip costs $50 in roaming charges. This activates automatically when your phone connects to a local network abroad.
- Is a travel eSIM cheaper than Verizon TravelPass in Bulgaria?
- Verizon TravelPass charges $10/day in Bulgaria. A 5-day trip costs $50. A 10GB eSIM covers the same trip for $8.06 on the same local network — saving you 84%.
- How much data do I need for a week in Bulgaria?
- 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 Bulgaria?
- 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 Bulgaria?
- T-Mobile Magenta includes free data in Bulgaria, 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 Bulgaria?
- A 30-day eSIM for Bulgaria 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.
- Do UK carriers charge for roaming in Bulgaria?
- Vodafone and EE charge £6/day for roaming in Bulgaria outside their EU free-roaming zone. A travel eSIM on the same local network costs a fraction of that weekly rate.
- How much does carrier roaming cost in Bulgaria?
- T-Mobile includes Bulgaria in its free international plan, but throttles every connection to 256 Kbps — one-eighth the speed of basic 2G. AT&T costs $10/day, Verizon costs $10/day. A travel eSIM on A1 Bulgaria at $2.21 for 1GB provides full 4G LTE — the same towers, none of the speed cap, and less money than either paid carrier option.
- Is T-Mobile's free international data fast enough in Bulgaria?
- No. T-Mobile caps free international data at 256 Kbps in Bulgaria — one-eighth the speed of basic 2G. At that rate, Google Maps takes 15+ seconds to load a single tile and will not work for navigation. Streaming video requires at least 1.5 Mbps; video calls need 2 Mbps. Basic WhatsApp text messages work, but anything else does not. T-Mobile's high-speed add-on for Bulgaria costs $15/day. A travel eSIM on A1 Bulgaria's 4G LTE network delivers full local speeds at $0.77/GB — cheaper per GB than the speed upgrade.
- How is my roaming bill calculated in Bulgaria?
- Your carrier uses one of two models. Per-day billing: AT&T charges $10 and Verizon charges $10 for each calendar day your phone connects in Bulgaria — even if you only check a notification at midnight. Per-MB billing: without a day pass, AT&T charges $2.05 per megabyte, which adds up to $2,099 per GB. Both models penalize casual background data usage. A travel eSIM uses flat-rate billing — you pay 1GB for $2.21 upfront, with no per-day activations and no per-MB overages. Once purchased, the cost is fixed regardless of usage patterns.
- How do I avoid roaming charges in Bulgaria?
- Turn off data roaming on your carrier SIM before you land in Bulgaria. Buy a travel eSIM from a provider like A1 Bulgaria starting at $0.77/GB and install it via QR code before departure. The eSIM handles all data on 4G LTE local networks while your carrier SIM stays active for calls and texts through WiFi Calling. This setup eliminates roaming charges entirely. Without these steps, AT&T charges $10/day and Verizon charges $10/day the moment your phone touches a Bulgaria tower.
- Can one travel eSIM plan cover multiple devices in Bulgaria?
- Not directly. A travel eSIM installs on one device and provides data for that device only. To share data across multiple devices in Bulgaria, enable the hotspot on the eSIM device — your laptop and tablet connect via WiFi. AT&T International Day Pass at $10/day covers one line; a family of four pays $40/day total. A single eSIM at $0.77/GB on A1 Bulgaria, shared via hotspot, covers all devices for the cost of one plan — saving $268.45 on a 7-day trip for four people. Rates checked June 2026.