A Bulgaria eSIM connects to A1, Vivacom, or Telenor, all on 4G. Plans start at $3.49 for 1 GB and reach $64.80 for 50 GB. Sofia, Plovdiv, and the Black Sea coast resorts (Sunny Beach, Varna) have solid 4G. Seven e-sim plans give travelers flexibility from a day pass to a 50 GB monthly plan.
We evaluated 6 eSIM plans available for Bulgaria, comparing them on verified pricing, network coverage, activation speed, and app quality. Five stood out.
Our top 3 picks for Bulgaria
Pros: Lowest price per GB, fast activation, Bulgaria coverage on A1. Cons: Newer brand, smaller community than Airalo.
Pros: Best app experience, 200+ countries, largest brand and community. Cons: Higher price than HelloRoam, support response times can vary.
Pros: Truly unlimited data, no throttling, live chat support 24/7. Cons: Premium pricing, no per-GB options available.
HelloRoam
$6.99
A1
4.5/5
Best value
Airalo
$7.00
200+ countries
4.5/5
Best app
Holafly
Unlimited
160 countries
4.2/5
Heavy users
Best eSIM plans for Bulgaria in 2026
Bulgaria 20GB 30Days
A1 (4G)30 daysTop-up available
Per GB$1.07
TetheringYes
NetworkA1
Bulgaria 10GB 30Days
A1 (4G)30 daysTop-up available
Per GB$1.15
TetheringYes
NetworkA1
Bulgaria 50GB 30Days
A1 (4G)30 daysTop-up available
Per GB$1.30
TetheringYes
NetworkA1
Bulgaria 5GB 30Days
A1 (4G)30 daysTop-up available
Per GB$1.40
TetheringYes
NetworkA1
Bulgaria 3GB 30Days
A1 (4G)30 daysTop-up available
Per GB$1.66
TetheringYes
NetworkA1
All Bulgaria eSIM plans compared
Bulgaria eSIM plans offer excellent value as one of the most affordable EU countries. The 1 GB / 7-day plan costs $3.49. Three GB runs $4.99 ($1.66/GB). Five GB costs $6.99 ($1.40/GB). Ten GB hits $11.49 ($1.15/GB). The 20 GB plan at $21.42 is $1.07/GB. The 50 GB plan at $64.80 is for power users. The best per-GB rate across 7 plans is $1.07.
Bulgaria 20GB 30Days ⭐
A1
30d / 20GB
$21.42
Bulgaria 10GB 30Days
A1
30d / 10GB
$11.49
Bulgaria 50GB 30Days
A1
30d / 50GB
$64.80
Bulgaria 5GB 30Days
A1
30d / 5GB
$6.99
Bulgaria 3GB 30Days
A1
30d / 3GB
$4.99
Bulgaria 1GB 7Days
A1
7d / 1GB
$3.49
Bulgaria 2GB/Day FUP1Mbps
A1
1d / 0GB
$3.49
Network coverage in Bulgaria
Local carriersBulgaria has 3 eSIM-compatible carriers: A1 (4G), Vivacom (4G), and Telenor (4G). A1 Bulgaria is the market leader by network quality and covers Sofia, Plovdiv, Varna, and Burgas with strong 4G. Vivacom is Bulgaria's national telecom and reaches smaller towns and the Rhodope mountain villages. Telenor provides competitive urban 4G in Sofia and Plovdiv. Your e-sim auto-selects the strongest signal among all 3 carriers.
Coverage analysisA1 4G covers Sofia, Plovdiv, Varna, Burgas, and the Black Sea coastal resort strip from Sunny Beach to Nessebar. Vivacom reaches the Rhodope Mountains villages including Smolyan and Shiroka Laka with 4G, where A1 has weaker signal. Ski resorts at Bansko and Borovets have full 4G from all 3 carriers during ski season. The Rila Mountains above 2,000 meters and the Pirin range above Melnik have meaningful gaps. Strandja Nature Park along the Turkish border carries patchy 3G on all carriers.
ActivationInstall your e-sim before landing at SOF (Sofia Airport) or VAR (Varna Airport). Scan the QR code in Settings, then Mobile Data, then Add eSIM. A1 registers automatically within 2 minutes. The Sofia Metro (Lines 1, 2, and 3) maintains 4G at all stations. Tethering is active on all 7 plans. EU roaming applies in Romania, Greece, and North Macedonia for EU-compliant plan tiers.
Data usage tipsSofia navigation with Google Maps offline saves 200 MB for the city center. The Eventim app for concerts and festivals at the National Palace of Culture uses under 10 MB. Sunny Beach resort strip navigation uses 50 MB per day. Budget 400-600 MB per day in cities for maps, messaging, and social media. Ski resort apps for Bansko piste maps work offline after a 30 MB download.
How we evaluated plans for Bulgaria
Our ratings combine verified pricing data from provider APIs, coverage maps cross-referenced against carrier-reported infrastructure, app quality evaluation across iOS and Android, and customer support response time testing. Pricing is verified weekly against official provider websites.
Questions about Bulgaria eSIMs
What is the best eSIM for Bulgaria?+
The 5 GB / 30-day plan at $6.99 suits most 1-2 week Bulgaria trips through Sofia and the Black Sea coast. It handles navigation in Varna, beach social posts from Sunny Beach, and maps for Plovdiv Old Town at about 500 MB per day. Ski visitors to Bansko doing 2 weeks should choose 10 GB at $11.49. All plans connect to A1, Vivacom, and Telenor.
How much does an eSIM for Bulgaria cost?+
Bulgaria eSIM plans start at $3.49 for 1 GB over 7 days. Five GB costs $6.99 and 10 GB runs $11.49. The 20 GB plan hits $21.42. The best per-GB rate across 7 plans is $1.07. Bulgaria is one of the cheapest EU eSIM markets for travelers. All prices verified May 2026.
How do I activate an eSIM in Bulgaria?+
Scan the QR code before landing at SOF or VAR. Open Settings, tap Mobile Data, then Add eSIM, then scan. A1 registers within 2 minutes of landing. No store visit is needed. The e-sim works at Sofia Airport arrivals immediately. Tethering activates automatically on all 7 plans. EU roaming across neighboring countries is included.
How much data do I need in Bulgaria?+
A 5-day Sofia and Plovdiv trip uses 3-4 GB: maps, Instagram, and transit apps at about 600 MB per day. A 2-week Black Sea summer holiday uses 7-10 GB if you stream from Sunny Beach without resort Wi-Fi. Bansko ski trips use less data in mountain areas: budget 3-4 GB per week with ski resort spotty coverage.
Which networks do eSIMs use in Bulgaria?+
Bulgaria eSIMs connect to 3 carriers: A1 (4G), Vivacom (4G), and Telenor (4G). A1 leads in urban quality across Sofia and the coast. Vivacom reaches Rhodope mountain villages better than A1. Telenor is competitive in Sofia and Plovdiv. Your e-sim picks the strongest of the 3 automatically at each location.
Does a Bulgaria eSIM include EU roaming?+
Yes, Bulgaria eSIM plans on A1, Vivacom, and Telenor include EU roam-like-home rights. You can use your Bulgaria data in Greece, Romania, and other EU countries at no extra cost. Travelers taking the ferry from Varna to Ukraine or crossing into Turkey exit EU territory and face separate charges. North Macedonia is EU candidate status, not full roaming coverage.
Does eSIM work in Bansko and Bulgarian ski resorts?+
Yes. A1, Vivacom, and Telenor all provide 4G at Bansko resort base area, Borovets village, and Pamporovo. Ski lifts to the summit at 2,560 meters have weaker signal. Download the Bansko piste map app offline before heading up. Chairlifts on the upper Todorka peak have gaps on all 3 carriers.
Does my phone support eSIM in Bulgaria?+
iPhone XS and newer, Google Pixel 3a and newer, and Samsung Galaxy S20 and newer all support eSIM in Bulgaria. Your device must be carrier-unlocked. Dual-SIM eSIM phones let you keep a home SIM active alongside the Bulgaria e-sim. Confirm eSIM capability in Settings, then General, then About before purchasing.
Can I top up my Bulgaria eSIM if I run out of data?+
All 7 Bulgaria eSIM plans support top-up through your provider's app. Buy a data add-on and it activates on the same eSIM profile within minutes. No new QR scan is required. Start with the 3 GB plan at $4.99 for a short Black Sea weekend and add data if you stay longer.
Is the Black Sea coast in Bulgaria well covered by eSIM?+
Yes. A1 and Telenor deliver solid 4G along the entire Black Sea coastal strip from Sunny Beach to Sozopol, Nessebar, and Varna. Beach resort areas including Golden Sands and Albena have full 4G coverage. Signal holds on the coastal road between Varna and Burgas. Strandja Nature Park south of Sozopol has patchy 3G further from the coast.
Provider reviews
Read our in-depth reviews of the top eSIM providers available in Bulgaria.
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