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Cheap flights from Belfast City Airport to London from £55

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 City Airport to London departing on 10/9. 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 Belfast City Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
20:35 - 21:50
BHD
-
LHR
1h 15mdirect
British Airways Logo
07:20 - 08:40
LHR
-
BHD
1h 20mdirect
£108British Airways
Thu, 27 Aug - Mon, 31 Aug
British Airways Logo
06:30 - 07:55
BHD
-
LHR
1h 25mdirect
British Airways Logo
06:15 - 07:35
LHR
-
BHD
1h 20mdirect
£109British Airways
Sun, 27 Sep - Tue, 29 Sep
British Airways Logo
07:05 - 08:30
BHD
-
LHR
1h 25mdirect
British Airways Logo
17:20 - 18:45
LHR
-
BHD
1h 25mdirect
£110British Airways
Sat, 17 Oct - Mon, 19 Oct
British Airways Logo
20:00 - 21:20
BHD
-
LHR
1h 20mdirect
British Airways Logo
06:05 - 07:30
LHR
-
BHD
1h 25mdirect
£111British Airways
Thu, 5 Nov - Fri, 6 Nov
British Airways Logo
20:35 - 21:50
BHD
-
LHR
1h 15mdirect
British Airways Logo
07:25 - 08:45
LHR
-
BHD
1h 20mdirect
£112British Airways
Wed, 9 Sep - Fri, 11 Sep
British Airways Logo
20:35 - 21:50
BHD
-
LHR
1h 15mdirect
British Airways Logo
13:55 - 15:20
LHR
-
BHD
1h 25mdirect
£112British Airways
Thu, 24 Sep - Wed, 30 Sep
British Airways Logo
19:05 - 20:20
BHD
-
LHR
1h 15mdirect
British Airways Logo
08:45 - 10:05
LHR
-
BHD
1h 20mdirect
£113British Airways
Sat, 26 Sep - Sun, 11 Oct
British Airways Logo
19:30 - 20:45
BHD
-
LHR
1h 15mdirect
British Airways Logo
19:20 - 20:35
LHR
-
BHD
1h 15mdirect
£114British Airways
Tue, 14 Jul - Thu, 16 Jul
British Airways Logo
20:10 - 21:25
BHD
-
LHR
1h 15mdirect
British Airways Logo
19:20 - 20:35
LHR
-
BHD
1h 15mdirect
£115British Airways
Sun, 5 Jul - Fri, 10 Jul
British Airways Logo
06:30 - 07:55
BHD
-
LHR
1h 25mdirect
British Airways Logo
13:40 - 15:05
LHR
-
BHD
1h 25mdirect
£115British Airways
Sun, 11 Oct - Sun, 11 Oct

British Airways flights from Belfast City Airport to London Heathrow Airport

Our best British Airways deals on Belfast City Airport to London Heathrow Airport flight tickets
British Airways
17 May
BHD13:10Belfast City
1h 25m
LHR14:35London Heathrow
20 May
LHR19:20London Heathrow
1h 15m
BHD20:35Belfast City
£103
British Airways
27 Aug
BHD20:35Belfast City
1h 15m
LHR21:50London Heathrow
31 Aug
LHR07:20London Heathrow
1h 20m
BHD08:40Belfast City
£108
British Airways
27 Sept
BHD06:30Belfast City
1h 25m
LHR07:55London Heathrow
29 Sept
LHR06:15London Heathrow
1h 20m
BHD07:35Belfast City
£109

KLM flights from Belfast City Airport to London Heathrow Airport

Our best KLM deals on Belfast City Airport to London Heathrow Airport flight tickets
KLM
26 May
BHD17:30Belfast City
14h 10m
1 stop
LHR07:40London Heathrow
30 May
LHR14:45London Heathrow
18h 35m
1 stop
BHD09:20Belfast City
£234
KLM
22 May
BHD17:30Belfast City
14h 10m
1 stop
LHR07:40London Heathrow
8 Jun
LHR19:15London Heathrow
14h 05m
1 stop
BHD09:20Belfast City
£246
KLM
21 May
BHD17:30Belfast City
14h 10m
1 stop
LHR07:40London Heathrow
28 May
LHR19:15London Heathrow
14h 05m
1 stop
BHD09:20Belfast City
£248

momondo Fare Finder

 
Customise your flight search to find flights from Belfast City Airport to London Heathrow Airport 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 May 2026.
Use the filters below to find and compare flights from Belfast City Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 27/8

20:35-21:50

Nonstop1h 15m

London Heathrow

Mon 31/8

07:20-08:40

Nonstop1h 20m

£108

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 27/9

06:30-07:55

Nonstop1h 25m

London Heathrow

Tue 29/9

06:15-07:35

Nonstop1h 20m

£109

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sat 17/10

07:05-08:30

Nonstop1h 25m

London Heathrow

Mon 19/10

17:20-18:45

Nonstop1h 25m

£110

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 5/11

20:00-21:20

Nonstop1h 20m

London Heathrow

Fri 6/11

06:05-07:30

Nonstop1h 25m

£111

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 9/9

20:35-21:50

Nonstop1h 15m

London Heathrow

Fri 11/9

07:25-08:45

Nonstop1h 20m

£112

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 24/9

20:35-21:50

Nonstop1h 15m

London Heathrow

Wed 30/9

13:55-15:20

Nonstop1h 25m

£112

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sat 26/9

19:05-20:20

Nonstop1h 15m

London Heathrow

Sun 11/10

08:45-10:05

Nonstop1h 20m

£113
Fastest return journey

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Tue 14/7

19:30-20:45

Nonstop1h 15m

London Heathrow

Thu 16/7

19:20-20:35

Nonstop1h 15m

£114

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 5/7

20:10-21:25

Nonstop1h 15m

London Heathrow

Fri 10/7

19:20-20:35

Nonstop1h 15m

£115

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 11/10

06:30-07:55

Nonstop1h 25m

London Heathrow

Sun 11/10

13:40-15:05

Nonstop1h 25m

£115

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 London from

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

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Belfast City Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £110. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Belfast City Airport averaging around £115.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Belfast City Airport to London Heathrow Airport in the evening for as low as £218. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £729 on average. Flights to London Heathrow Airport from Belfast City Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Belfast City to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Belfast City Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £134 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Belfast City Airport for as low as £112 on momondo.

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

As of May 2026, prices for Belfast City Airport to London Heathrow Airport flights are approximately 142% more expensive when compared to flights at the same time last year.

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

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

Cheap Belfast City Airport to London Heathrow Airport (BHD to LHR) flight deals and tips

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

Best price found

£134

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Belfast City Airport in the past 72 hours is £134. The best return flight deal from Belfast City Airport to London Heathrow Airport found on momondo in the last 72 hours is £261.
The fastest flight from Belfast City Airport to London Heathrow Airport takes 1h 15m
Direct flights go from Belfast City Airport to London Heathrow Airport every day.
Search flight deals

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

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

    London Heathrow is 312.5 mi away from Belfast City. By plane, this route typically takes 1h 15m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to London Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Belfast City Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Belfast City Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £48Free CancellationRating
6.9
1,902 reviews
Search easyJet flights
British AirwaysPriceFrom £86Free CancellationRating
6.7
7,982 reviews
Search British Airways flights

  • British Airways Flights From Belfast City Airport to London Heathrow Airport

    British Airways flies from Belfast City Airport to London Heathrow Airport around 8 times per week, with 7,982 momondo users rating the airline 6.7/10. The cheapest British Airways deal from Belfast City Airport to London Heathrow Airport in the last 72 hours was £86 (round-trip), much lower than the average airfare cost of £139 for British Airways flights on this route.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Stratford-upon-Avon
Wembley
Slough
Maidstone
Northampton
Swindon
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Poole
Folkestone
Chelmsford
Dover

Why use momondo?

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

Finding the right flight to London from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

All flight searches from Belfast to London on momondo can be filtered to show those which offer flexible booking policies.

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

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