Cheap flights from Belfast to Ljubljana

Slovenia's season shapes demand: summer and the Christmas period draw visitors to Ljubljana and the Alps, so fares tighten then. On this route December is the cheapest month, and November, February, March, April and June also show dated prices you can scan on the calendar. School holidays in Northern Ireland push fares up when they overlap with Slovenia's winter ski season, so booking around half-term dates pays off. Midweek departures tend to sit below weekend ones, and connecting itineraries move prices whenever either hub resets its schedule.

The real difference between your options is where and how you change planes. Easyjet runs low-cost fares where baggage and seat selection cost extra, so the base price understates the total if you fly with a checked bag. British Airways, Aer Lingus and KLM Royal Dutch Airlines are full-service, with a cabin bag included and typically a shorter or more comfortable transfer. All four connect here, since there is no nonstop service, so compare total journey time, not just the fare.

Brnik, officially Jože Pučnik Airport, is compact by capital standards, which keeps walks off the plane and waits for luggage short. It sits far enough outside Ljubljana that you need a transfer: regular shuttle buses meet incoming flights, and a taxi or prebooked transfer takes roughly half an hour into the centre. Public buses also link the airport with the city. There is one terminal, so a late-night or very early arrival is handled the same way as any other, but check whether your bus or transfer still runs at that hour.

Currency

EUR (€)

Power sockets

Type C, F · 230 V

Language

Slovene

Emergency number

112, 113

Driving side

right

Calling code

+386

Internet domain

.si

EU / Schengen

EU member, Schengen area

Population of Ljubljana

284 k (2022)

Time zone

UTC+01 (Europe/Ljubljana)

Country facts: Wikidata

• Confirm your departure is from George Best City Airport, as Belfast has more than one airfield even though this page covers the city airport only.
• If you book with Easyjet, price out baggage before committing to the base fare.
• For connections booked on separate tickets, leave enough slack so a missed first leg does not strand you.
• Check passport validity and any entry rules for Slovenia before you pay.
• Scan the price calendar across the months listed, with December the cheapest on record here.
• Note that no airline flies this route nonstop, so your arrival time depends on the connection.