Cheap flights from Belfast Intl Airport to London from $25

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to London departing on 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
easyJet Logo
6:40 am - 7:50 amBFS-LTN
1h 10mnonstop
easyJet Logo
7:00 am - 8:20 amLTN-BFS
1h 20mnonstop
$50easyJet
Find Deal
Mon, Nov 10 - Sat, Nov 22
easyJet Logo
6:55 pm - 8:05 pmBFS-LTN
1h 10mnonstop
easyJet Logo
7:05 am - 8:25 amLTN-BFS
1h 20mnonstop
$51easyJet
Find Deal
Thu, Nov 27 - Sun, Nov 30
easyJet Logo
7:45 pm - 8:55 pmBFS-LTN
1h 10mnonstop
easyJet Logo
8:20 am - 9:40 amLTN-BFS
1h 20mnonstop
$53easyJet
Find Deal
Sat, Nov 15 - Mon, Nov 17
easyJet Logo
6:25 pm - 7:40 pmBFS-STN
1h 15mnonstop
easyJet Logo
11:55 am - 1:15 pmSTN-BFS
1h 20mnonstop
$53easyJet
Find Deal
Wed, Dec 3 - Sat, Dec 6
Ryanair Logo
6:00 pm - 7:20 pmBFS-STN
1h 20mnonstop
Ryanair Logo
7:30 am - 8:50 amSTN-BFS
1h 20mnonstop
$54Ryanair
Find Deal
Fri, Nov 28 - Sun, Nov 30
easyJet Logo
8:50 pm - 10:15 pmBFS-LGW
1h 25mnonstop
easyJet Logo
6:30 am - 8:00 amLGW-BFS
1h 30mnonstop
$54easyJet
Find Deal
Wed, Dec 3 - Mon, Dec 8
easyJet Logo
8:50 am - 10:00 amBFS-LTN
1h 10mnonstop
easyJet Logo
7:00 am - 8:20 amLTN-BFS
1h 20mnonstop
$55easyJet
Find Deal
Tue, Nov 18 - Mon, Nov 24
Ryanair Logo
11:10 pm - 12:30 amBFS-STN
1h 20mnonstop
Ryanair Logo
7:30 am - 8:50 amSTN-BFS
1h 20mnonstop
$59Ryanair
Find Deal
Sat, Nov 1 - Sat, Nov 8
Ryanair Logo
7:50 am - 9:10 amBFS-STN
1h 20mnonstop
Ryanair Logo
7:30 am - 8:50 amSTN-BFS
1h 20mnonstop
$61Ryanair
Find Deal
Fri, Oct 31 - Sun, Nov 2
Multiple Airlines Logo
6:25 pm - 7:40 pmBFS-STN
1h 15mnonstop
Multiple Airlines Logo
5:55 am - 4:15 pmSTN-BFS
10h 20m1 stop
$106Multiple Airlines
Find Deal
Tue, Nov 25 - Thu, Nov 27

easyJet flights from Belfast Intl Airport to London

Our best easyJet deals on Belfast Intl Airport to London flight tickets
easyJet
Nov 10
BFS6:40 amBelfast Intl
1h 10m
LTN7:50 amLondon Luton
Nov 22
LTN7:00 amLondon Luton
1h 20m
BFS8:20 amBelfast Intl
easyJet
Nov 27
BFS6:55 pmBelfast Intl
1h 10m
LTN8:05 pmLondon Luton
Nov 30
LTN7:05 amLondon Luton
1h 20m
BFS8:25 amBelfast Intl
easyJet
Dec 3
BFS6:25 pmBelfast Intl
1h 15m
STN7:40 pmLondon Stansted
Dec 6
STN11:55 amLondon Stansted
1h 20m
BFS1:15 pmBelfast Intl

Ryanair flights from Belfast Intl Airport to London

Our best Ryanair deals on Belfast Intl Airport to London flight tickets
Ryanair
Nov 28
BFS6:00 pmBelfast Intl
1h 20m
STN7:20 pmLondon Stansted
Nov 30
STN7:30 amLondon Stansted
1h 20m
BFS8:50 amBelfast Intl
Ryanair
Nov 1
BFS11:10 pmBelfast Intl
1h 20m
STN12:30 amLondon Stansted
Nov 8
STN7:30 amLondon Stansted
1h 20m
BFS8:50 amBelfast Intl
Ryanair
Oct 31
BFS7:50 amBelfast Intl
1h 20m
STN9:10 amLondon Stansted
Nov 2
STN7:30 amLondon Stansted
1h 20m
BFS8:50 amBelfast Intl

momondo Fare Finder

 
Customize your flight search to find flights from Belfast Intl Airport to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Mon 11/10

6:40 am-7:50 am

Nonstop1h 10m

London Luton

Sat 11/22

7:00 am-8:20 am

Nonstop1h 20m

$50

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 11/27

6:55 pm-8:05 pm

Nonstop1h 10m

London Luton

Sun 11/30

7:05 am-8:25 am

Nonstop1h 20m

$51

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 11/15

7:45 pm-8:55 pm

Nonstop1h 10m

London Luton

Mon 11/17

8:20 am-9:40 am

Nonstop1h 20m

$53

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Wed 12/3

6:25 pm-7:40 pm

Nonstop1h 15m

London Stansted

Sat 12/6

11:55 am-1:15 pm

Nonstop1h 20m

$53

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 11/28

6:00 pm-7:20 pm

Nonstop1h 20m

London Stansted

Sun 11/30

7:30 am-8:50 am

Nonstop1h 20m

$54

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Wed 12/3

8:50 pm-10:15 pm

Nonstop1h 25m

London Gatwick

Mon 12/8

6:30 am-8:00 am

Nonstop1h 30m

$54

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Tue 11/18

8:50 am-10:00 am

Nonstop1h 10m

London Luton

Mon 11/24

7:00 am-8:20 am

Nonstop1h 20m

$55

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 11/1

11:10 pm-12:30 am

Nonstop1h 20m

London Stansted

Sat 11/8

7:30 am-8:50 am

Nonstop1h 20m

$59

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 10/31

7:50 am-9:10 am

Nonstop1h 20m

London Stansted

Sun 11/2

7:30 am-8:50 am

Nonstop1h 20m

$61

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Tue 11/25

6:25 pm-7:40 pm

Nonstop1h 15m

London Stansted

Thu 11/27

5:55 am-4:15 pm

1 stop10h 20m

$106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Belfast Intl Airport to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Belfast Intl Airport and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Belfast Intl Airport is in January. Flight prices, which tend to average around $57, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Belfast Intl Airport averaging around $59.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Belfast Intl Airport to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $55. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $114. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Belfast Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $81 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $949. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Belfast Intl to London flight route?

Fly from Belfast Intl to London Luton for the best Belfast Intl - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Belfast Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $162 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Belfast Intl Airport for as low as $124 on momondo.

What cabin class options are available on Belfast Intl to London flights?

There is only 1 cabin class available to choose from on Belfast Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Belfast Intl Airport to London flight prices changed over time?

As of October 2025, prices for Belfast Intl Airport to London flights are approximately 41% more expensive when compared to flights at the same time last year.

When to book flights from Belfast Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Belfast Intl Airport to London (BFS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to London

Best Price Found

$22

Fastest flight time

1h 10m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Belfast Intl Airport in the past 72 hours is $22. The best round-trip flight deal from Belfast Intl Airport to London found on momondo in the last 72 hours is $53.
The fastest flight from Belfast Intl Airport to London takes 1h 10m
Direct flights go from Belfast Intl Airport to London every day.
There is 1 airport near London: London Luton (LTN)
  • How far is Belfast Intl to London by plane?

    Belfast Intl and London are 333.5 mi apart from one another. Typically, this will take 1h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Belfast Intl Airport to London?

    Prices for flights from Belfast Intl Airport to London are refreshed on a daily basis.

  • How many operators does momondo search for flights from Belfast Intl Airport to London?

  • How old do you have to be to fly from Belfast Intl Airport to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Belfast Intl Airport to London?

  • What is the most popular airline from Belfast Intl Airport to London?

Best airlines flying from Belfast Intl Airport to London

Compare and see reviews for airlines that fly from Belfast Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom $37Free CancellationRating
6.9
1,835 reviews
Search easyJet flights
British AirwaysPriceFrom $110Free CancellationRating
6.7
7,457 reviews
Search British Airways flights
  • easyJet Flights From Belfast Intl Airport to London

    easyJet operates around 26 flights from Belfast Intl Airport to London every week. The average price of these flights found in the last 72 hours has been $94, but momondo users have found easyJet deals from Belfast Intl Airport to London from as low as $37 round-trip. easyJet has been scored 6.9/10 in 1,835 reviews.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Dartford
Crawley
Hayes
Brentwood
Chelmsford
Colchester
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to London for you.

Can I find flights from Belfast to London with flexible booking policies on momondo?

Yes. All flights to London from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Belfast.

I’m not ready to book a flight from Belfast to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Belfast and alert you when they change.

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1 adult
Sat 11/15
Sat 11/22

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London