London to Belfast flights
The cheapest round trip we found from London to Belfast is $46 (Dec 12 – 15, Nonstop), 6% below the usual $49.
LON to BFS · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $48 |
| December 2026 | $46 (cheapest month) |
| January 2027 | $60 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 12 – 15 3 nights · leave Sat$46 −6% vs usual$46 −6% vs usual Book
Ryanair Nonstop · 1h 20m -
Nov 23 – Dec 10 17 nights · leave Mon$48$48 Book
Ryanair Nonstop · 1h 20m
-
Dec 4 – 7 3 nights · leave Fri$49$49 Book
easyJet Nonstop · 1h 30m -
Dec 12 – 16 4 nights · leave Sat$49$49 Book
Ryanair Nonstop · 1h 20m
-
Jan 14 – 16, 2027 2 nights · leave Thu$60 +22% vs usual$60 +22% vs usual Book
Ryanair Nonstop · 1h 20m
-
Jan 12 – 14, 2027 2 nights · leave Tue$62 +27% vs usual$62 +27% vs usual Book
easyJet Nonstop · 1h 30m
-
Nov 20 – 22 2 nights · leave Fri$65 +33% vs usual$65 +33% vs usual Book
easyJet Nonstop · 1h 30m
-
Dec 23 – Jan 1, 2027 9 nights · leave Wed$84 +71% vs usual$84 +71% vs usual Book
Ryanair UK Nonstop · 1h 20m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Belfast
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Plan the rest of your trip
Belfast · Dec 12 – 15Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Belfast from other cities
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London to Belfast: questions
How much does a flight from London to Belfast cost?
The cheapest round trip we have found right now is $46, leaving December 12 and returning December 15. The usual price on this route is about $49, so this fare is 6% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from London to Belfast?
December 2026, with round trips from $46. The most expensive month in our data is January (from $60). Based on the 3 months ahead we have prices for.
Are there nonstop flights from London to Belfast?
Yes. Nonstop from $46 round trip. 91% of the 11 date combinations we track are nonstop.
Which airports do London to Belfast flights use?
London airports include London Heathrow (LHR), London City (LCY) and London Gatwick (LGW). Belfast airports include Belfast International (BFS) and George Best Belfast City (BHD). The prices on this page cover every airport in both cities (LON and BFS are the city codes).
About this route
We track round-trip economy fares from London (United Kingdom) to Belfast (United Kingdom) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $46, departing December 12 and returning December 15 on a nonstop flight, about 6% below the usual $49. Right now we're following 11 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $46. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.