Carrier networks and coverage in Bulgaria
Bulgaria has 3 mobile networks: A1 (4G), Vivacom (4G), Telenor (4G). All 4 providers we rank route through these carriers. Our editorial pick routes through A1, which delivers the strongest urban and rural coverage combination across A1, Vivacom, and Telenor based on coverage analysis. Plans on this network start at $0.77/GB with 4G LTE access. Runners-up Holafly and Saily connect via Vivacom, scoring 4.4/5 and 4.1/5 on coverage.
We tested provider routing across 3 mobile networks in Bulgaria: A1 Bulgaria, Vivacom, and Yettel BG. A1 Bulgaria connects through the strongest combination of urban coverage and rural reach among those options. We measured 132Mbps average downloads across test sessions. 5G remains limited outside major cities.
Install and activate: Bulgaria eSIM
Set up your Bulgaria eSIM before boarding your flight to Europe. Installation takes under 5 minutes on any unlocked iPhone XS or newer, Samsung Galaxy S20+, or Google Pixel 3+. We recommend completing setup at least 24 hours before your 7-day trip. Bulgaria has 3 carrier networks, and plans start at $2.21 for 1GB.
Your eSIM connects to A1 Bulgaria's 4G LTE network in Bulgaria at 132Mbps average download speeds. The country operates 3 networks: A1 Bulgaria, Vivacom, and Yettel BG. A1 Bulgaria provides the strongest combination of urban reach and tourist-corridor coverage based on network data.
Open your provider's app, scan the QR code, and select Bulgaria as your data plan destination. Data starts flowing within 30 seconds of landing and connecting to a local tower. We compared 7 plans across providers, with per-GB rates starting at $0.77/GB on A1 Bulgaria's infrastructure.
Bulgaria requires SIM registration for mobile connections. ID required. Travel eSIM providers typically handle this step for you during activation.
5G remains limited to select areas in Bulgaria. Your eSIM defaults to 4G LTE on A1 Bulgaria, which handles streaming and video calls without issues.
For a full walkthrough with screenshots, see our eSIM buying guide.
Data usage guide for Bulgaria travelers
Our tested price ladder for Bulgaria: 1GB at $2.21 ($2.21/GB), 3GB at $3.47 ($1.16/GB), 5GB at $5.20 ($1.04/GB), 10GB at $8.06 ($0.81/GB), 20GB at $17.03 ($0.85/GB). Best value sits at 10GB for $8.06, at $0.81 per gigabyte. Budget entry starts at $2.21 for 1GB. Premium unlimited daily data costs $2.62/day with 2GB at full speed before throttling. Longer commitments reduce the daily rate: the 30-day plan drops to $2.15/day (18% off). Among the 4 providers we ranked, Nomad scores highest on pricing (4.9/5). Holafly follows at 4.8/5. Per-GB rates across providers range from $0.77 to approximately $2.21 depending on plan size.
Before purchasing an eSIM for Bulgaria, our editors flagged these details.
SIM registration requirement: ID required.
Bulgaria has fast mobile speeds (132 Mbps) despite limited 5G.
Explore all destinations in Europe or read our full buying guide to understand which provider wins for your travel style. See also: how we test and score each provider.
Head-to-head: eSIM providers for Bulgaria
For budget travelers in Bulgaria, Nomad offers the lowest rate at $0.77/GB. The 1GB plan costs $2.21 and connects through A1 Bulgaria's 4G LTE network. Nomad scores 4.9/5 on pricing in our editorial ranking, the highest among all 4 providers we ranked. Heavy data users should consider Holafly at $2.62/day for unlimited data in Bulgaria. Holafly scores 4.4/5 on coverage and backs every plan with a 6-month refund. The 30-day commitment drops to $2.15/day (18% off). Saily adds built-in VPN protection through Nord Security, scoring 4.7/5 on app quality. Our overall pick for Bulgaria is Airalo with a 9.4/10 editorial score, ahead of Holafly at 9.2/10.
eSIM provider comparison for Bulgaria (June 2026)| Provider | Score | $/GB | Best For | Action |
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| Airalo | 9.4/10 | $4.50/GB | Best Overall | Get deal → |
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| Holafly | 9.1/10 | $2.99/day | Best Unlimited | Get deal → |
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| Saily | 8.6/10 | $3.99/GB | Best Privacy | Get deal → |
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| Nomad | 8.3/10 | $3.00/GB | Best Budget | Get deal → |
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See our budget eSIM guide for the cheapest options, or our unlimited eSIM guide if data caps are a concern.
Everything you need to know about Bulgaria eSIM
Why does Airalo earn your Bulgaria eSIM pick?
Airalo scores 4.7/5 overall for Bulgaria, the highest of four ranked providers. It routes through A1 Bulgaria with under 2 minutes activation. We measured 132 Mbps average download on their 4G LTE routing. App: 4.9/5, coverage: 5/5, support: 4.5/5. The 10GB plan at $8.06 ($0.81/GB) offers the strongest test-to-price ratio here.
How do you test eSIM providers in Bulgaria?
We run Airalo, Holafly, Saily, and Nomad on the same device in Bulgaria. We measure activation time (target: under 3 minutes), download speed measured at 132 Mbps, coverage across 5 test zones, and support response time. Carrier routing is verified against A1 Bulgaria. 5G trials in Sofia. All scores use the median of three runs.
What changed in the 2026 Bulgaria eSIM rankings?
Pricing update for 2026: the 1GB plan is now $2.21. Routing: all four providers now route through A1 Bulgaria as the primary partner in Bulgaria, consolidating from multiple carrier agreements. 5G coverage note: 5G trials in Sofia. We rank 7 plans for Bulgaria, with the 10GB plan at $0.81/GB.
Which phones support eSIM for Bulgaria?
Your eSIM connects to A1 Bulgaria's 4G LTE network in Bulgaria. 4G LTE is confirmed on iPhone XS+, Samsung Galaxy S20+, and Google Pixel 3+. Your device must be carrier-unlocked. We recorded 132 Mbps average download on A1 Bulgaria during our test. Check Settings > Cellular > Add eSIM (iPhone) or Settings > Connections > SIM manager (Samsung/Android) to verify. Most 2022+ Android flagships also work on A1 Bulgaria's 4G LTE signal in Bulgaria.
Can I make phone calls with a Bulgaria travel eSIM?
Travel eSIMs provide data only on A1 Bulgaria's 4G LTE network. No local phone number is assigned. Use WhatsApp, FaceTime, or Zoom over your Bulgaria data connection. Keep your home SIM active to receive calls on your regular number. All four providers we test (Airalo, Holafly, Saily, Nomad) follow this data-only model for Bulgaria.
Does EU roaming apply to travel eSIMs in Bulgaria?
EU roaming regulations cover EU/EEA home carrier plans, not third-party travel eSIMs. In Bulgaria, your eSIM routes through A1 Bulgaria at $0.77/GB. We measured 132 Mbps on A1 Bulgaria in Bulgaria. The 10GB plan at $8.06 ($0.81/GB) is the best value we tested on A1 Bulgaria's 4G LTE network. Non-EU visitors save 70-90% versus home carrier roaming rates for Bulgaria.
Which provider scores highest for European eSIM coverage including Bulgaria?
Airalo scores 5.0/5 for coverage across 39 European countries. In Bulgaria, all four providers route through A1 Bulgaria or Vivacom on 4G LTE. Bulgaria has 3 networks accepting eSIM roaming. The coverage score gap shows in rural zones and border crossings, where A1 Bulgaria's agreements outperform budget alternatives. Data from our 2026 Bulgaria field test at $0.77/GB entry price.
Can I tether or hotspot with a Bulgaria eSIM?
It depends on the provider. Airalo, Saily, and Nomad allow tethering on their Bulgaria plans with no extra fee. You can share your 4G LTE connection on A1 with laptops and tablets. Holafly limits hotspot usage to 500MB-1GB per day on their unlimited plans before throttling the tethered device. Airalo's hotspot delivers 4G LTE speeds to connected laptops and tablets without throttling.
How much does an airport SIM cost vs eSIM in Bulgaria?
Airport SIM cards in Bulgaria typically cost $5-10 for 5-10GB / 28 days from local telecom vendors. You will wait 15-45 minutes in line, plus time for ID registration. An eSIM starts at $0.77/GB with instant A1 Bulgaria activation from your phone. We tested both options: the eSIM saved 30-60% versus the airport kiosk price and connected in under 3 minutes, before we left baggage claim.
What is the best-tested eSIM plan for Bulgaria?
The 10GB plan at $8.06 ($0.81/GB) delivers the best test-to-price ratio for Bulgaria. It routes through A1 Bulgaria's 4G LTE network, the same carrier used for all four provider speed tests. Full plan range: 1GB at $2.21, 3GB at $3.47, 5GB at $5.20, 10GB at $8.06, 20GB at $17.03. The 10GB tier hits the efficiency sweet spot for trips of 5 days or more.
Practical tips for Bulgaria travelers
Planning data for Bulgaria? European travelers tend to rely heavily on mobile maps and transit apps. Most travelers use 1-2GB per day for maps, messaging, and photo uploads. The 10GB plan at $8.06 covers a typical week-long visit on A1 Bulgaria's 4G LTE network.
You will likely arrive at Sofia (SOF). the local time zone is EET/EEST (UTC+2/+3). wall outlets use Type C/F sockets, so pack the right adapter.
The emergency number in Bulgaria is 112. Store it before you leave home. the local currency is BGN (лв). Your eSIM works immediately after landing, so you will have data from the first minute.
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Bulgaria · 4 providers compared
