Flights from London to Belfast
See the lowest recent fare, then compare every option and book with our partner Aviasales.
Lowest one-way fare
£14
Departing Mon, Dec 21, 2026
See flights on Dec 21Prices last checked Nov 5, 2026
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Cheapest days to fly London to Belfast
The lowest one-way fare found for each day over the next few months.
Cheapest dates found
November 2026
From £16December 2026
From £14January 2027
From £16Good to know: London to Belfast
Nonstop flights, stops and airlines on the cheapest fares we found.
- Nonstop flightsFrom £14easyJet · London Southend to George Best Belfast City · 1h 30m
- Stops on the cheapest faresMostly nonstopOf the 26 cheapest fares: 26 nonstop.
- Airlines on the cheapest faresRyanair, easyJet and Ryanair UKFares with stops may combine airlines.
- Airports usedStansted and London SouthendWhere the cheapest fares from London leave from, most common first. Arriving at Belfast and George Best Belfast City.
Based on the 26 cheapest one-way fares in recent searches, checked Nov 5, 2026.
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Frequently asked questions
How much do flights from London to Belfast cost?
One-way fares start from £14, based on recent searches checked on Nov 5, 2026. Prices change often, so confirm the final fare on our partner's site before booking.
What is the cheapest date to fly from London to Belfast?
The lowest recent one-way fare we found departs on Mon, Dec 21, 2026. Try nearby dates too, since fares can differ by the day.
What is the cheapest month to fly from London to Belfast?
Of the next 3 months, December has the lowest fare we've seen: £14 on Mon, Dec 21, 2026. For comparison, November from £16 and January from £16.
Are there direct flights from London to Belfast?
Yes. The cheapest nonstop fare we found was £14 with easyJet, from London Southend Airport to George Best Belfast City Airport, a flight of about 1h 30m.
Which airlines fly from London to Belfast?
The cheapest fares we found were on Ryanair, easyJet and Ryanair UK. Fares with stops may combine more than one airline, so check each flight before you book.
Do you sell plane tickets?
No. We compare fares and send you to our travel partner Aviasales, where you choose a booking option and pay. Changes, refunds and support are handled by the airline or agency you book with.