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Cheap flights from London to Belfast Intl Airport from £35

LON — BFS
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or November, booked 64 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from London to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from London to Belfast Intl

Sun 8/1107:25 -
Nonstop1h 30m
Sun 15/1109:25 -
Nonstop1h 30m
Deal found 8/9£46
Sat 24/1022:00 -
Nonstop1h 20m
Sat 31/1015:25 -
Nonstop1h 20m
Deal found 9/9£46
Fri 9/1022:15 -
Nonstop1h 15m
Mon 12/1010:00 -
Nonstop1h 10m
Deal found 9/9£46
Fri 25/909:20 -
Nonstop1h 20m
Sat 26/920:15 -
Nonstop1h 20m
Deal found 10/9£46
Thu 15/1011:00 -
Nonstop1h 20m
Mon 19/1020:15 -
Nonstop1h 10m
Deal found 8/9£46
Fri 6/1119:00 -
Nonstop1h 30m
Sun 8/1120:55 -
Nonstop1h 25m
Deal found 5/9£47
Sat 26/907:50 -
Nonstop1h 20m
Sat 3/1006:00 -
Nonstop1h 20m
Deal found 8/9£47
Thu 15/1013:55 -
Nonstop1h 20m
Sun 18/1022:10 -
Nonstop1h 10m
Deal found 10/9£47
Tue 6/1008:25 -
Nonstop1h 30m
Tue 6/1016:00 -
Nonstop1h 30m
Deal found 6/9£48
Sat 19/912:55 -
Nonstop1h 20m
Wed 23/920:15 -
Nonstop1h 20m
Deal found 9/9£48
Wed 28/1007:00 -
Nonstop1h 20m
Sun 1/1121:15 -
Nonstop1h 10m
Deal found 9/9£48
Wed 7/1006:00 -
Nonstop1h 30m
Wed 14/1021:35 -
Nonstop1h 25m
Deal found 9/9£49

Find flight deals from London to Belfast Intl

Round-trip from

£46

One-way from

£35

Popular in

July

Cheapest in

January

Average price

£63

Good round-trip deal

£45 or less

Good one-way deal

£34 or less
easyJet
  • easyJet
  • 8/11-15/11
  • Nonstop
  • 3h 00m total
  • London to Belfast
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easyJet
  • easyJet
  • 22/9-31/12
  • Nonstop
  • 1h 20m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from London (LON) to Belfast Intl.
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Price to beat on a one-way flight from London (LON) to Belfast Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Thu 1/10

08:55-15:55

1 stop7h 00m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Sun 20/9

10:35-11:55

Nonstop1h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Tue 29/9

08:00-11:15

1 stop3h 15m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Tue 6/10

13:05-16:15

1 stop3h 10m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Wed 23/9

08:15-13:25

1 stop5h 10m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

LondonBelfast

LGW London Gatwick - BFS Belfast Intl

LGWBFS

London Gatwick

Fri 18/9

06:25-07:55

Nonstop1h 30m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39
Fastest return journey

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Fri 18/9

22:15-23:30

Nonstop1h 15m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Thu 17/9

07:10-08:30

Nonstop1h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Sun 27/9

08:40-10:00

Nonstop1h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Sat 3/10

08:05-16:30

1 stop8h 25m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from London with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London to Belfast Intl Airport

What is the cheapest month to book a flight from London to Belfast Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £52). Flying from London to Belfast Intl Airport in July is currently the most expensive (average of £111). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to BFS?

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from London to Belfast Intl Airport by exploring options for tickets in the morning.

How much does it cost for a return flight from London to Belfast Intl Airport?

Airfare is typical for this route at the moment.
London to Belfast Intl Airport flights typically cost between £45 and £95 in November.
The cheapest return price found within the last 5 days was £46 on easyJet (8 Nov–15 Nov).

How far ahead should I book a flight from London to Belfast Intl Airport?

The best time to book flights from London to Belfast Intl Airport is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from London to Belfast Intl Airport?

Travellers seeking maximum savings on their London to Belfast Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Belfast Intl

Get a feel of what it's like to fly with easyJet,British Airways, andRyanair from London to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,924 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.7

Entertainment

5.5

Food

5.9

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
easyJet
6.9
Okay
1,924 reviews
easyJet
6.9
Okay
1,924 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.7

Entertainment

5.5

Food

5.9

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
British Airways
6.7
Okay
8,210 reviews
easyJet
6.9
Okay
1,924 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.7

Entertainment

5.5

Food

5.9

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
Ryanair
6.4
Okay
easyJet
6.9
Okay
1,924 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.7

Entertainment

5.5

Food

5.9

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.

Related info for your journey

  • How long is the flight from London to Belfast Intl Airport?

    Airlines like Ryanair and easyJet fly from London to Belfast Intl Airport in about 1h 20m. The time it takes to get you to your destination is usually consistent. The distance between London and Belfast Intl Airport is about 328 mi. All flights are typically direct.

  • What are the cheapest airlines flying from London to Belfast Intl Airport round-trip?

    Cheapflights users have booked flights from London to Belfast Intl Airport round-trip from £19. Other airlines that can offer you cheap pricing are easyJet, from £29, and British Airways, from £94. Ryanair is 74% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London to Belfast Intl Airport one-way?

    £15 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on easyJet and British Airways, with prices starting from £22 and £44, respectively.

  • What are the most popular routes from London to Belfast Intl Airport?

    While some choose either London Gatwick - Belfast Intl or London Heathrow - Belfast Intl, London Luton - Belfast Intl is the most popular route from London to Belfast Intl Airport.

  • Can I find deals for flights from London to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on London to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Belfast Intl.

  • Can I find deals for business class flights from London to Belfast Intl?

    Yes. Cheapflights offers flight deals from London to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £52). Flying from London to Belfast Intl Airport in July is currently the most expensive (average of £111). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry

Browse thousands of different options on Cheapflights for your next trip

Fly from London to Belfast Intl on these airlines

easyJet flights from London to Belfast Intl
Ryanair flights from London to Belfast Intl
British Airways flights from London to Belfast Intl

Top 3 airlines flying from London to Belfast Intl

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£19Average£57FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£29Average£81FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£94Average£189FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Belfast Intl?

Deals for London to Belfast Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Belfast Intl.

Can Cheapflights find flights from London to Belfast Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Belfast Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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