Budapest eSIM — plans from ₹299.00

Budapest Ferenc Liszt International (BUD) has terminals 2A and 2B side by side and no rail link of its own, which surprises people expecting a metro at the door. The direct option is the 100E airport bus into Deak Ferenc ter in the centre, or the 200E to Kobanya-Kispest for metro line M3. Shops in arrivals sell Hungarian prepaid SIMs, but with a bus leaving shortly and a ticket to buy, the queue is an expensive detour.

Bolt operates widely in Budapest and taxi ranks outside are regulated, so the choice is straightforward once your phone works. The specific reason to land connected here is the ticketing: the 100E requires its own ticket type rather than a standard single, and buying it in the app on the pavement is much easier than deciphering a machine. An eSIM installed at home over Wi-Fi is already active by then, because validity starts when your phone first registers on a Hungarian network.

Magyar Telekom and Yettel are among the operators building the country, and your plan attaches to a partner and follows the strongest signal. Budapest has 5G across the inner districts of Pest, the Palace Quarter, Ujlipotvaros, the Buda side around Deli and the airport road, with solid 4G elsewhere. All four metro lines, the shallow historic M1 and the deeper M2, M3 and M4, carry signal in stations and tunnels. The Danube bridges and the riverbanks are well covered. Day trips stay connected: Szentendre on the HEV, the Danube Bend at Visegrad and Esztergom, Godollo and the road to Lake Balaton all hold 4G, with weaker patches in the Pilis hills and the vineyard roads above Eger.

Download an offline map of both banks, because Budapest's district numbering is logical to residents and opaque to everyone else, and a routing app that stalls mid-bridge is unhelpful. Keep data for Bolt, the BudapestGO transport app and timed tickets to the baths and the Parliament, which sell out. Cafe and ruin-bar Wi-Fi is generous, hotel Wi-Fi is fine, and a hotspot runs a laptop well. The genuinely Budapest-specific tip is the thermal baths: phones and lockers do not mix, the humidity is hard on a handset, and you want your booking and locker code saved offline rather than fished out of a wet pocket. Winter cold shortens battery life. See the full Hungary eSIM range or wider Europe plans.