Compare A1 mobile plans (October 2026)
A1 sells 17 mobile plans in Bulgaria, from €3.07/month (A1 Prepaid mobile internet top-up 2 GB).
Operator facts
| Activation fee | eSIM | Network | Contract | EU roaming | Promo code | Source · checked |
|---|---|---|---|---|---|---|
| unknown | Yes | A1 | prepaid, no subscription | 0 GBstated | unknown | a1.bg · |
All plans
- A1 Prepaid mobile internet top-up 2 GB costs €3.07 a month, includes 2 GB data and 0 minutes, prepaid, no subscription, EU allowance no EU data (stated). Order at a1.bg/prepaid-mobilen-internet Go to A1. checked
- A1 Prepaid offer P1 (top-up EUR 5) costs €4.09 a month, includes 1 GB data and 500 minutes, prepaid, no subscription, EU allowance 0.2 GBstated. Order at a1.bg/prepaid-paketi Go to A1. checked
- A1 Prepaid offer P1 (top-up EUR 6+) costs €4.09 a month, includes 2.5 GB data and 700 minutes, prepaid, no subscription, EU allowance 0.5 GBstated. Order at a1.bg/prepaid-paketi Go to A1. checked
- A1 Prepaid mobile internet top-up 5 GB costs €5.11 a month, includes 5 GB data and 0 minutes, prepaid, no subscription, EU allowance no EU data (stated). Order at a1.bg/prepaid-mobilen-internet Go to A1. checked
- A1 Prepaid HIT (top-up EUR 6-7.99) costs €6.13 a month, includes 12 GB data and 480 minutes, prepaid, no subscription, EU allowance 2.4 GBstated. Order at a1.bg/prepaid-paketi Go to A1. checked
- A1 Prepaid HIT (top-up EUR 8+) costs €6.74 a month, includes 36 GB data and 1,200 minutes, prepaid, no subscription, EU allowance 2.4 GBstated. Order at a1.bg/prepaid-paketi Go to A1. checked
- A1 Prepaid offer A1 (top-up EUR 5) costs €6.90 a month, includes 4.5 GB data and 225 minutes, prepaid, no subscription, EU allowance 1.5 GBstated. Order at a1.bg/prepaid-paketi Go to A1. checked
- A1 Prepaid offer A1 (top-up EUR 6+) costs €6.90 a month, includes 22.5 GB data and 600 minutes, prepaid, no subscription, EU allowance 1.5 GBstated. Order at a1.bg/prepaid-paketi Go to A1. checked
- A1 Klasik XS costs €10.74 a month, includes 0 GB data and 50 minutes, 12-month contract, EU allowance 0 GBcomputed. Order at a1.bg/a1-klassik Go to A1. checked
- A1 Prepaid mobile internet top-up 20 GB costs €15.34 a month, includes 20 GB data and 0 minutes, prepaid, no subscription, EU allowance no EU data (stated). Order at a1.bg/prepaid-mobilen-internet Go to A1. checked
- A1 Klasik S costs €15.85 a month, includes 0 GB data and 400 minutes, 24-month contract, EU allowance 0 GBcomputed. Order at a1.bg/a1-klassik Go to A1. checked
- A1 Surf Ucha.se Unlimited costs €16.99 a month (new customers pay €14.99/month; the discount then lasts 12 months, after which €16.99/month applies; €179.88 over 12 months, €383.76 over 24 months), includes Unlimited data and 0 minutes, 24-month contract, EU allowance 27 GBstated. Months 1-12 of a new 24-month subscription. Order at a1.bg/mobilen-internet-surf Go to A1. checked
- A1 Surf Unlimited costs €18.99 a month (new customers pay €16.99/month; the discount then lasts 12 months, after which €18.99/month applies; €203.88 over 12 months, €431.76 over 24 months), includes Unlimited data and 0 minutes, 24-month contract, EU allowance 57.6 GBstated. Months 1-12 of a new 24-month subscription, without fixed-service combo. Order at a1.bg/mobilen-internet-surf Go to A1. checked
- A1 Unlimited S costs €21.99 a month (new customers pay €19.99/month; the discount then lasts 12 months, after which €21.99/month applies; €239.88 over 12 months, €503.76 over 24 months), includes Unlimited data and Unlimited, 24-month contract, EU allowance 66.6 GBstated. Promotional price for months 1-12 of a new 24-month subscription (also on re-signing per the page's 'Преподписване' option); without fixed-service combo. Order at a1.bg/a1-one-unlimited Go to A1. checked
- A1 Smart Ucha.se Unlimited costs €26.99 a month (new customers pay €24.99/month; the offer applies if you sign up by 31 October 2026; the discount then lasts 12 months, after which €26.99/month applies; €299.88 over 12 months, €623.76 over 24 months), includes Unlimited data and Unlimited, 24-month contract, EU allowance 40.5 GBstated. Promotional price for months 1-12 of a new 24-month subscription (also on re-signing per the page's 'Преподписване' option); without fixed-service combo. Order at a1.bg/a1-one-unlimited Go to A1. checked
- A1 Unlimited M costs €26.99 a month (new customers pay €24.99/month; the discount then lasts 12 months, after which €26.99/month applies; €299.88 over 12 months, €623.76 over 24 months), includes Unlimited data and Unlimited, 24-month contract, EU allowance 81 GBstated. Promotional price for months 1-12 of a new 24-month subscription (also on re-signing per the page's 'Преподписване' option); without fixed-service combo. Order at a1.bg/a1-one-unlimited Go to A1. checked
- A1 Unlimited Ultra costs €39.99 a month (new customers pay €37.99/month; the discount then lasts 12 months, after which €39.99/month applies; €455.88 over 12 months, €935.76 over 24 months), includes Unlimited data and Unlimited, 24-month contract, EU allowance 126 GBstated. Promotional price for months 1-12 of a new 24-month subscription (also on re-signing per the page's 'Преподписване' option); without fixed-service combo. Order at a1.bg/a1-one-unlimited Go to A1. checked
A1 eSIM
15 of the 17 A1 plans state eSIM. The cheapest with eSIM is A1 Prepaid mobile internet top-up 2 GB, at €3.07 a month. For 2 plans A1 does not say whether eSIM is possible.
A1 roaming
Elsewhere in the EU, A1 plans give 0 to 126 GB; A1 states this for 15 plans, for the other 2 we show the computed legal minimum.
Who it's cheapest for
- No. 1 for Data only, no calls needed (1 GB+): A1 Prepaid mobile internet top-up 2 GB, at €3.07/month.
- No. 1 for 5 GB+: A1 Prepaid offer A1 (top-up EUR 6+), at €6.90/month.
- No. 1 for 20 GB+: A1 Prepaid offer A1 (top-up EUR 6+), at €6.90/month.
- For 50 GB+, A1 Unlimited S costs €20.99/month; Yettel Total Unlimited 30 is cheaper at €18.92/month, about €24.84/year less over a year (effective cost, fees and extra use included).
- For 100 GB+, A1 Unlimited S costs €20.99/month; Yettel Total Unlimited 30 is cheaper at €18.92/month, about €24.84/year less over a year (effective cost, fees and extra use included).
- For Unlimited data, A1 Unlimited S costs €20.99/month; Yettel Total Unlimited 30 is cheaper at €18.92/month, about €24.84/year less over a year (effective cost, fees and extra use included).
Price changes
- A1 Prepaid offer A1 (top-up EUR 5): data changed ()
- A1 Prepaid offer A1 (top-up EUR 5): minutes changed ()
- A1 Prepaid HIT (top-up EUR 6-7.99): data changed ()
- A1 Prepaid HIT (top-up EUR 6-7.99): minutes changed ()
- A1 Prepaid HIT (top-up EUR 8+): data changed ()
- A1 Prepaid HIT (top-up EUR 8+): minutes changed ()
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