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Cheap flights from London Heathrow Airport to Belfast from £40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Belfast departing on 7/3. 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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Find the cheapest flights from London Heathrow Airport to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
09:15 - 10:40
LHR
-
BHD
1h 25mdirect
British Airways Logo
06:45 - 08:20
BHD
-
LHR
1h 35mdirect
£83British Airways
Tue, 24 Feb - Fri, 27 Feb
British Airways Logo
08:55 - 10:20
LHR
-
BHD
1h 25mdirect
British Airways Logo
09:15 - 10:45
BHD
-
LHR
1h 30mdirect
£84British Airways
Mon, 16 Mar - Wed, 18 Mar
British Airways Logo
06:05 - 07:30
LHR
-
BHD
1h 25mdirect
British Airways Logo
06:30 - 07:55
BHD
-
LHR
1h 25mdirect
£86British Airways
Fri, 27 Mar - Sun, 29 Mar
British Airways Logo
12:10 - 13:35
LHR
-
BHD
1h 25mdirect
British Airways Logo
06:30 - 07:55
BHD
-
LHR
1h 25mdirect
£87British Airways
Thu, 23 Apr - Mon, 27 Apr
British Airways Logo
07:00 - 08:25
LHR
-
BHD
1h 25mdirect
British Airways Logo
06:30 - 08:05
BHD
-
LHR
1h 35mdirect
£92British Airways
Sat, 21 Feb - Sun, 22 Feb
British Airways Logo
17:40 - 19:10
LHR
-
BHD
1h 30mdirect
British Airways Logo
06:30 - 08:05
BHD
-
LHR
1h 35mdirect
£92British Airways
Thu, 19 Feb - Sun, 22 Feb
British Airways Logo
06:05 - 07:30
LHR
-
BHD
1h 25mdirect
British Airways Logo
12:40 - 14:05
BHD
-
LHR
1h 25mdirect
£93British Airways
Fri, 20 Feb - Tue, 12 May
British Airways Logo
06:05 - 07:30
LHR
-
BHD
1h 25mdirect
British Airways Logo
10:40 - 12:10
BHD
-
LHR
1h 30mdirect
£94British Airways
Fri, 6 Mar - Sun, 8 Mar
Multiple Airlines Logo
21:35 - 15:20
LHR
-
BFS
17h 45m
1 stop
Multiple Airlines Logo
17:40 - 17:00
BFS
-
LHR
23h 20m
1 stop
£163Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
06:55 - 15:15
LHR
-
BFS
8h 20m
1 stop
Multiple Airlines Logo
23:30 - 21:40
BFS
-
LHR
22h 10m
1 stop
£165Multiple Airlines
Wed, 1 Apr - Tue, 7 Apr

British Airways flights from London Heathrow Airport to Belfast

Our best British Airways deals on London Heathrow Airport to Belfast flight tickets
British Airways
18 Jan
LHR06:50London Heathrow
1h 25m
BHD08:15Belfast City
21 Jan
BHD11:25Belfast City
1h 30m
LHR12:55London Heathrow
£63
British Airways
28 Feb
LHR17:45London Heathrow
1h 30m
BHD19:15Belfast City
3 Mar
BHD17:15Belfast City
1h 20m
LHR18:35London Heathrow
£84
British Airways
27 Feb
LHR06:05London Heathrow
1h 25m
BHD07:30Belfast City
4 Mar
BHD11:25Belfast City
1h 30m
LHR12:55London Heathrow
£85

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Belfast 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 279,928 searches. Data last updated 16 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Tue 24/2

09:15-10:40

Nonstop1h 25m

Belfast City

Fri 27/2

06:45-08:20

Nonstop1h 35m

£83

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Mon 16/3

08:55-10:20

Nonstop1h 25m

Belfast City

Wed 18/3

09:15-10:45

Nonstop1h 30m

£84

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 27/3

06:05-07:30

Nonstop1h 25m

Belfast City

Sun 29/3

06:30-07:55

Nonstop1h 25m

£86

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 23/4

12:10-13:35

Nonstop1h 25m

Belfast City

Mon 27/4

06:30-07:55

Nonstop1h 25m

£87

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 21/2

07:00-08:25

Nonstop1h 25m

Belfast City

Sun 22/2

06:30-08:05

Nonstop1h 35m

£92

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 19/2

17:40-19:10

Nonstop1h 30m

Belfast City

Sun 22/2

06:30-08:05

Nonstop1h 35m

£92

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 20/2

06:05-07:30

Nonstop1h 25m

Belfast City

Tue 12/5

12:40-14:05

Nonstop1h 25m

£93

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 6/3

06:05-07:30

Nonstop1h 25m

Belfast City

Sun 8/3

10:40-12:10

Nonstop1h 30m

£94

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 1/4

21:35-15:20

1 stop17h 45m

Belfast Intl

Wed 8/4

17:40-17:00

1 stop23h 20m

£163

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 1/4

06:55-15:15

1 stop8h 20m

Belfast Intl

Tue 7/4

23:30-21:40

1 stop22h 10m

£165

Flights are sorted by cheapest return flights first.

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

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

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 cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from London Heathrow Airport is in March. Flight prices, which tend to average around £102, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £113.

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

The cheapest day to depart on your flight to Belfast is on a Tuesday when prices can be found for as low as £62. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Belfast on a Friday will generally be more expensive and average around £75. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £88. Flights to Belfast are more costly at midday, with an average ticket price of £110. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Belfast flight route?

Fly from London Heathrow to Belfast City for the best London Heathrow - Belfast flight prices

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

You are more likely to see cheaper flights to Belfast from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £132 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from London Heathrow Airport for as low as £101 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Belfast flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Belfast flight deals and tips

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

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Belfast

2 airports
The fastest flight from London Heathrow Airport to Belfast takes 1h 20m
Direct flights go from London Heathrow Airport to Belfast every day.
There are 2 airports in Belfast. From London Heathrow Airport there are direct flights to Belfast City (BHD).
Search flight deals

  • How far is London Heathrow to Belfast by plane?

    Belfast is 313.2 mi away from London Heathrow. A reasonable flight in good conditions will take 1h 20m.

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Belfast

Compare and see reviews for airlines that fly from London Heathrow Airport to Belfast with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £31Free CancellationRating
6.9
1,862 reviews
Search easyJet flights
British AirwaysPriceFrom £81Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
LoganairPriceFrom £131Free CancellationRating
0.0
0 reviews
Search Loganair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Belfast. momondo saves you time and could save you money on your trip.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Belfast.

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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport