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Cheap flights from London to Belfast from $122

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 8:40 amLHR  London Heathrow-BFS Belfast Intl
12h 10m1 stop Luqa Malta Intl
Multiple Airlines Logo
8:50 am - 4:00 pmBFS  Belfast Intl-LHR London Heathrow
7h 10m2 stops Bristol Dublin
$342Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Multiple Airlines Logo
3:50 pm - 10:50 pmLHR  London Heathrow-BFS Belfast Intl
7h 00m2 stops Dublin Birmingham
Multiple Airlines Logo
9:10 am - 8:05 pmBFS  Belfast Intl-LHR London Heathrow
10h 55m1 stop Barcelona-El Prat
$374Multiple Airlines
Fri, Oct 2 - Mon, Oct 12
Multiple Airlines Logo
8:50 pm - 3:05 pmLHR  London Heathrow-BFS Belfast Intl
18h 15m2 stops Barcelona-El Prat Malaga
Multiple Airlines Logo
2:40 pm - 9:10 amBFS  Belfast Intl-LHR London Heathrow
18h 30m2 stops Malaga Barcelona-El Prat
$460Multiple Airlines
Sat, Nov 28 - Mon, Nov 30
Multiple Airlines Logo
7:50 am - 5:20 pmLHR  London Heathrow-BFS Belfast Intl
9h 30m2 stops Dublin Liverpool J. Lennon
Multiple Airlines Logo
8:50 pm - 7:50 pmBFS  Belfast Intl-LHR London Heathrow
23h 00m2 stops Liverpool J. Lennon Dublin
$560Multiple Airlines
Fri, Nov 6 - Fri, Nov 6
Multiple Airlines Logo
11:20 am - 1:05 pmLHR  London Heathrow-BFS Belfast Intl
25h 45m2 stops Lisbon Humberto Delgado Malaga
Multiple Airlines Logo
6:20 am - 10:00 pmBFS  Belfast Intl-LHR London Heathrow
15h 40m2 stops Malaga Lisbon Humberto Delgado
$770Multiple Airlines
Sat, Oct 3 - Thu, Oct 15

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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 round-trip

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Thu 10/1

8:30 pm-8:40 am

1 stop12h 10m

Belfast Intl

Thu 10/8

8:50 am-4:00 pm

2 stops7h 10m

$342
Quickest round-trip

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Fri 10/2

3:50 pm-10:50 pm

2 stops7h 00m

Belfast Intl

Mon 10/12

9:10 am-8:05 pm

1 stop10h 55m

$374

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Sat 11/28

8:50 pm-3:05 pm

2 stops18h 15m

Belfast Intl

Mon 11/30

2:40 pm-9:10 am

2 stops18h 30m

$460

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Fri 11/6

7:50 am-5:20 pm

2 stops9h 30m

Belfast Intl

Fri 11/6

8:50 pm-7:50 pm

2 stops23h 00m

$560

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Sat 10/3

11:20 am-1:05 pm

2 stops25h 45m

Belfast Intl

Thu 10/15

6:20 am-10:00 pm

2 stops15h 40m

$770
Cheapest one-way

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Wed 11/11

10:55 am-8:55 pm

2 stops10h 00m

$122

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Fri 10/2

11:05 am-6:55 pm

2 stops7h 50m

$126
Quickest one-way

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Thu 11/12

10:55 am-5:30 pm

2 stops6h 35m

$129

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Sun 10/4

9:50 am-8:40 pm

2 stops10h 50m

$131

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Tue 9/15

2:40 pm-9:20 am

2 stops18h 40m

$133

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

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

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 London and Belfast Intl Airport?

Prices are currently high for flights on this route.

Typical prices usually range from $57 to $128.
The lowest price recently found on this route was $304.

What is the cheapest month to fly to Belfast Intl Airport?

The month of January is, on average, the cheapest month to fly to Belfast Intl Airport from London, with most prices found around $70. If you’re not able to fly to Belfast Intl Airport in January, then November is your next best option. Flight prices from London to Belfast Intl Airport during November average around $80.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Monday when prices can be found for as low as $73. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Belfast Intl Airport for around $187.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

In the evening is the cheapest time of day to fly from London to Belfast Intl Airport when you can find flight prices for as low as $141. Flying to Belfast Intl Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is at noon when prices are around $210.

What is the cheapest London to Belfast Intl flight route?

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

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

You are more likely to see cheaper flights to Belfast Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around $197 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from London for as low as $136 on momondo.

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

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

Can stopping save me money on London to Belfast Intl Airport flights?

No. A direct flight is the cheapest option for a flight between London to Belfast Intl Airport.

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

As of September 2026, prices for London to Belfast Intl Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from London to Belfast Intl Airport

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

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

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

Best Price Found

$122

Fastest flight time

1h 20m

Direct flights

None
The best one-way flight to Belfast Intl Airport from London in the past 72 hours is $122. The best round-trip flight deal from London to Belfast Intl Airport found on momondo in the last 72 hours is $342.
The fastest flight from London to Belfast Intl Airport takes 1h 20m
There are no direct flights from London to Belfast Intl Airport. There are no popular flight routes from London to Belfast Intl Airport.
Search flight deals

Frequently asked questions about flying from London to Belfast Intl Airport

  • How far is London to Belfast Intl by plane?

    A flight from London to Belfast Intl will travel around 333.5 mi. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Belfast Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents required for your trip to Belfast Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from London to Belfast Intl Airport

Compare and see reviews for airlines that fly from London to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom $20Free CancellationRating
6.9
1,926 reviews
Search easyJet flights
RyanairPriceFrom $43Free CancellationRating
6.4
142 reviews
Search Ryanair flights
British AirwaysPriceFrom $129Free CancellationRating
6.7
8,203 reviews
Search British Airways flights

  • easyJet Flights From London to Belfast Intl Airport

    easyJet flight deals from London to Belfast Intl Airport start from $20 round-trip. Over the 24 easyJet flights for this route in a normal week, average airfare is usually $111 round-trip - but some users have found much cheaper deals with momondo.

  • Ryanair Flights From London to Belfast Intl Airport

    Another popular option for London to Belfast Intl Airport flights is Ryanair (6.4/10, 142 ratings). Ryanair flies from London to Belfast Intl Airport around 5 times per week, with deals starting from $43 round-trip and rising to an average price of around $111.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Ballymena
Newry
Dungannon

Why use momondo?

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

It is quick and easy to find London to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

Yes. momondo allows you to filter the results for London to Belfast flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belfast from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from London to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast Intl Airport trip

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