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Cheap flights from London Heathrow Airport to Belfast from £72

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:00 - 15:05LHR  London Heathrow-BFS Belfast Intl
24h 05m1 stop Paris Orly
Multiple Airlines Logo
22:00 - 18:20BFS  Belfast Intl-LHR London Heathrow
20h 20m2 stops Manchester Shannon
£165Multiple Airlines
Thu, 8 Oct - Sun, 11 Oct
Multiple Airlines Logo
18:20 - 21:50LHR  London Heathrow-BFS Belfast Intl
3h 30m1 stop Manchester
Multiple Airlines Logo
21:25 - 08:35BFS  Belfast Intl-LHR London Heathrow
11h 10m1 stop Edinburgh Turnhouse
£167Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:45 - 20:20LHR  London Heathrow-BFS Belfast Intl
11h 35m1 stop Manchester
Multiple Airlines Logo
22:15 - 07:35BFS  Belfast Intl-LHR London Heathrow
9h 20m1 stop Edinburgh Turnhouse
£181Multiple Airlines
Fri, 16 Oct - Fri, 23 Oct
Multiple Airlines Logo
20:50 - 09:50LHR  London Heathrow-BFS Belfast Intl
13h 00m2 stops Barcelona-El Prat Newcastle upon Tyne
Multiple Airlines Logo
14:40 - 21:25BFS  Belfast Intl-LHR London Heathrow
6h 45m1 stop Paris Beauvais-Tille
£183Multiple Airlines
Mon, 28 Sep - Mon, 12 Oct
Multiple Airlines Logo
15:00 - 15:05LHR  London Heathrow-BFS Belfast Intl
24h 05m1 stop Paris Orly
Multiple Airlines Logo
06:10 - 20:05BFS  Belfast Intl-LHR London Heathrow
13h 55m1 stop Barcelona-El Prat
£203Multiple Airlines
Thu, 8 Oct - Sun, 11 Oct
Multiple Airlines Logo
15:00 - 10:40LHR  London Heathrow-BFS Belfast Intl
19h 40m1 stop Paris Orly
Multiple Airlines Logo
14:45 - 21:25BFS  Belfast Intl-LHR London Heathrow
6h 40m1 stop Paris Charles de Gaulle
£211Multiple Airlines
Tue, 29 Sep - Tue, 13 Oct
Multiple Airlines Logo
11:05 - 20:55LHR  London Heathrow-BFS Belfast Intl
9h 50m2 stops Knock Intl Edinburgh Turnhouse
Multiple Airlines Logo
14:40 - 21:25BFS  Belfast Intl-LHR London Heathrow
6h 45m1 stop Paris Beauvais-Tille
£225Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:50 - 14:35LHR  London Heathrow-BFS Belfast Intl
17h 45m2 stops Barcelona-El Prat Alicante
Multiple Airlines Logo
09:30 - 09:10BFS  Belfast Intl-LHR London Heathrow
23h 40m2 stops Alicante Barcelona-El Prat
£226Multiple Airlines
Tue, 24 Nov - Sat, 28 Nov
Multiple Airlines Logo
06:40 - 15:20LHR  London Heathrow-BFS Belfast Intl
8h 40m2 stops Kastrup Copenhagen Manchester
Multiple Airlines Logo
14:40 - 21:25BFS  Belfast Intl-LHR London Heathrow
6h 45m1 stop Paris Beauvais-Tille
£240Multiple Airlines
Thu, 1 Oct - Mon, 5 Oct
Multiple Airlines Logo
06:15 - 19:05LHR  London Heathrow-BFS Belfast Intl
12h 50m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
14:45 - 21:25BFS  Belfast Intl-LHR London Heathrow
6h 40m1 stop Paris Charles de Gaulle
£250Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Thu 8/10

15:00-15:05

1 stop24h 05m

Belfast Intl

Sun 11/10

22:00-18:20

2 stops20h 20m

£165
Fastest return journey

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Mon 12/10

18:20-21:50

1 stop3h 30m

Belfast Intl

Mon 19/10

21:25-08:35

1 stop11h 10m

£167

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Fri 16/10

08:45-20:20

1 stop11h 35m

Belfast Intl

Fri 23/10

22:15-07:35

1 stop9h 20m

£181

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Mon 28/9

20:50-09:50

2 stops13h 00m

Belfast Intl

Mon 12/10

14:40-21:25

1 stop6h 45m

£183

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Thu 8/10

15:00-15:05

1 stop24h 05m

Belfast Intl

Sun 11/10

06:10-20:05

1 stop13h 55m

£203

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Tue 29/9

15:00-10:40

1 stop19h 40m

Belfast Intl

Tue 13/10

14:45-21:25

1 stop6h 40m

£211

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Mon 28/9

11:05-20:55

2 stops9h 50m

Belfast Intl

Mon 5/10

14:40-21:25

1 stop6h 45m

£225

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Tue 24/11

20:50-14:35

2 stops17h 45m

Belfast Intl

Sat 28/11

09:30-09:10

2 stops23h 40m

£226

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Thu 1/10

06:40-15:20

2 stops8h 40m

Belfast Intl

Mon 5/10

14:40-21:25

1 stop6h 45m

£240

LondonBelfast

LHR London Heathrow - BFS Belfast Intl

LHRBFS

London Heathrow

Tue 13/10

06:15-19:05

1 stop12h 50m

Belfast Intl

Tue 20/10

14:45-21:25

1 stop6h 40m

£250

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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See travel insights to Belfast from

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

Prices are currently typical for flights on this route.

Typical prices usually range from £127 to £227.
The lowest price recently found on this route was £165.

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

The month of November is, on average, the cheapest month to fly to Belfast Intl Airport from London Heathrow Airport, with most prices found around £113. If you’re not able to fly to Belfast Intl Airport in November, then March is your next best option. Flight prices from London Heathrow Airport to Belfast Intl Airport during March average around £132.

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

The cheapest day to depart from London Heathrow Airport to Belfast Intl Airport is on a Tuesday when prices can be found for as low as £66. The most expensive day to fly to Belfast Intl Airport is Friday, with ticket prices averaging around £81.

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

The cheapest time of day to fly to Belfast Intl Airport is in the morning when flights can be purchased for as low as £89. In the afternoon is when there is more demand to fly to Belfast Intl Airport, so prices are often more expensive at around £116 per ticket.

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

You are more likely to see cheaper flights to Belfast Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around £143 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from London Heathrow Airport for as low as £97 on momondo.

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

As of September 2026, prices for London Heathrow Airport to Belfast Intl Airport flights are approximately 44% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Belfast Intl Airport

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

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

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

Best price found

£72

Fastest flight time

1h 15m

Direct flights

None
The best one-way flight to Belfast Intl Airport from London Heathrow Airport in the past 72 hours is £72. The best return flight deal from London Heathrow Airport to Belfast Intl Airport found on momondo in the last 72 hours is £165.
The fastest flight from London Heathrow Airport to Belfast Intl Airport takes 1h 15m
There are no direct flights from London Heathrow Airport to Belfast Intl Airport. There are no popular flight routes from London Heathrow Airport to Belfast Intl Airport.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Belfast Intl Airport

  • How far is London Heathrow to Belfast Intl by plane?

    A flight from London Heathrow to Belfast Intl will travel around 324.6 mi. Typically, this will take 1h 15m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Belfast Intl Airport refresh daily.

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

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

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

    The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London Heathrow Airport to Belfast Intl Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £23Free CancellationRating
6.4
142 reviews
Search Ryanair flights
easyJetPriceFrom £35Free CancellationRating
6.9
1,927 reviews
Search easyJet flights
British AirwaysPriceFrom £93Free CancellationRating
6.7
8,195 reviews
Search British Airways flights

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Portadown
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?

Flights from London to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes momondo offers price alerts on flights to Belfast from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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