Find flights
Deals
Insights
When to book
FAQs & Tips
Direct Flights

LHR

Find cheap flights from Belfast to London Heathrow Airport from £52

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to Heathrow departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 12/6
Wed 19/6

Search hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,771,603 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Belfast to Heathrow

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Belfast to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
19:20 - 20:45BHD-LHR
1h 25mdirect
06:45 - 08:10LHR-BHD
1h 25mdirect
£73British Airways
Find Deal
Tue, 5 Nov - Thu, 14 Nov
06:45 - 08:10BHD-LHR
1h 25mdirect
06:50 - 08:15LHR-BHD
1h 25mdirect
£76British Airways
Find Deal
Sat, 9 Nov - Mon, 11 Nov
06:45 - 08:10BHD-LHR
1h 25mdirect
15:40 - 17:05LHR-BHD
1h 25mdirect
£77British Airways
Find Deal
Sat, 9 Nov - Sat, 16 Nov
19:30 - 20:50BHD-LHR
1h 20mdirect
07:45 - 09:05LHR-BHD
1h 20mdirect
£81British Airways
Find Deal
Mon, 9 Sep - Wed, 11 Sep
18:55 - 20:15BHD-LHR
1h 20mdirect
17:35 - 18:55LHR-BHD
1h 20mdirect
£82British Airways
Find Deal
Sat, 28 Sep - Sun, 13 Oct
19:30 - 20:50BHD-LHR
1h 20mdirect
07:40 - 09:00LHR-BHD
1h 20mdirect
£85British Airways
Find Deal
Thu, 3 Oct - Fri, 4 Oct
12:20 - 13:40BHD-LHR
1h 20mdirect
17:20 - 18:40LHR-BHD
1h 20mdirect
£94British Airways
Find Deal
Mon, 23 Sep - Mon, 23 Sep
18:55 - 20:15BHD-LHR
1h 20mdirect
07:00 - 08:25LHR-BHD
1h 25mdirect
£115British Airways
Find Deal
Sat, 26 Oct - Wed, 30 Oct
17:15 - 20:25BHD-LHR
3h 10m1 stop
06:45 - 08:10LHR-BHD
1h 25mdirect
Tue, 5 Nov - Thu, 14 Nov
14:25 - 21:35BHD-LHR
7h 10m2 stops
06:45 - 14:35LHR-BHD
7h 50m2 stops
£281Aer Lingus
Find Deal
Thu, 6 Jun - Sun, 16 Jun

Flights from Belfast to Heathrow - Travel Insights & Trends

Get data-powered insights and trends into flights from Belfast to Heathrow to help you find the cheapest flights, the best time to fly and much more.

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

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Belfast to London Heathrow Airport.
Our data shows that the cheapest route for a one-way flight from Belfast to London Heathrow Airport cost £58 and was between Belfast City Airport and London Heathrow Airport. On average, the best prices are found if you fly from Londonderry to London Heathrow Airport. The average price for a return flight for this route is £111.

What’s the cheapest day of the week to fly from Belfast to London Heathrow Airport?

The average price of all flights from Belfast to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Belfast to London Heathrow Airport, look for departures on Tuesdays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from London Heathrow Airport, Wednesday is the cheapest day to fly and Sunday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Belfast to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Belfast to London Heathrow Airport is March, where tickets cost £84 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £144 and £123 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Belfast to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Belfast to London Heathrow Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 50 days before departure.

Which airlines provide the cheapest flights from Belfast to London Heathrow Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Belfast to London Heathrow Airport found on KAYAK was with British Airways for £52. British Airways proposed a return connection from £73 and Aer Lingus from £281.

Which airlines fly direct between Belfast and London Heathrow Airport?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Belfast to London Heathrow Airport.
There are 2 airlines that fly direct from Belfast to London Heathrow Airport. They are British Airways and Loganair. The cheapest airline for this route is British Airways, with the best one-way deal found costing £67. On average, the best prices for this route can be found at British Airways.

How many flights are there between Belfast and London Heathrow Airport per day?

Each day, there are between 6 and 10 nonstop flights that take off from Belfast and land in London Heathrow Airport, with an average flight time of 1h 24m. The most common departure time is 17:00 and most flights take off in the morning. Each week, there are 65 flights. The most frequent day of departure is Sunday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Belfast and London Heathrow Airport?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Belfast to London Heathrow Airport take?

There are no direct flights for this route. The shortest travel duration to get to London Heathrow Airport from Belfast is 1h 20m.

Good to know - Cheap tickets from Belfast to London Heathrow Airport

Cheapest flight

£52
Flight from Belfast City Airport to London Heathrow Airport

When to book flights from Belfast to Heathrow

Are your dates flexible? Find out the best times to travel from Belfast to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Belfast to London Heathrow Airport flights

  • What is the cheapest flight from Belfast to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Belfast to London Heathrow Airport was £65 for a one-way ticket and £92 for a return.

  • Which airports will I be using when flying from Belfast to London Heathrow Airport?

    Belfast is served by 2 major airports and there is only 1 main airport in London Heathrow Airport. You will leave Belfast from one of these airports: Belfast Intl or Belfast City. You will be arriving at London Heathrow.

  • Which aircraft models fly most regularly from Belfast to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Belfast to London Heathrow Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Belfast and London Heathrow Airport, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Belfast to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Belfast is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Belfast to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Belfast with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly direct from Belfast to London Heathrow Airport?

Find which airlines fly direct from Belfast to Heathrow, which days they fly and book direct flights.

Direct departures

Belfast to London Heathrow

Monday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Tuesday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Wednesday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Thursday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Friday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Saturday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Sunday

Aer Lingus, American Airlines, British Airways, +5 more

Aer Lingus, American Airlines, +6 more

See more direct flights

Direct returns

London Heathrow to Belfast

Monday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Tuesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Wednesday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Thursday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Friday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

Saturday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Sunday

Aer Lingus, American Airlines, British Airways, +6 more

Aer Lingus, American Airlines, +7 more

See more direct flights
See more direct flights

Book cheap flights from Belfast to London

Cheapest flights to London from Belfast found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Belfast to London found on KAYAK in the last 72 hours.
18/10Fri
directBritish Airways
1h 25mBHD-LHR
£52
4/10Fri
directBritish Airways
1h 20mBHD-LHR
£53
3/7Wed
1 stop
6h 15mBFS-LHR
£69
12/6Wed
1 stop
7h 20mBFS-LHR
£70
31/8Sat
2 stopsAer Lingus
14h 25mBHD-LHR
£141
24/5Fri
2 stopsAer Lingus
36h 35mBHD-LHR
£141
14/6Fri
1 stopLufthansa
16h 05mBHD-LHR
£204
10/6Mon
2 stopsLufthansa
7h 05mBHD-LHR
£271
18/10Fri
3 stopsLoganair
9h 00mBHD-LHR
£382
14/6Fri
3 stopsLoganair
9h 00mBHD-LHR
£518

Search by stops

Search by airline

Search by price

Last minute flights from Belfast to Heathrow

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Belfast to London that are departing in the next 10 days.
14/5Tue
directBritish Airways
1h 20mBHD-LHR
15/5Wed
directBritish Airways
1h 20mLHR-BHD
£151
17/5Fri
directBritish Airways
1h 25mBHD-LHR
20/5Mon
directBritish Airways
1h 20mLHR-BHD
£176
17/5Fri
direct
1h 25mBHD-LHR
20/5Mon
multi-stop
16h 10mLHR-BHD
£220
16/5Thu
direct
1h 20mBHD-LHR
18/5Sat
multi-stop
13h 20mLHR-BHD
£225
18/5Sat
directAer Lingus
1h 25mBHD-LHR
22/5Wed
directAer Lingus
1h 20mLHR-BHD
£383
18/5Sat
multi-stopKLM
14h 20mBHD-LHR
22/5Wed
multi-stopKLM
26h 05mLHR-BHD
£398
14/5Tue
multi-stopAer Lingus
12h 00mBHD-LHR
14/5Tue
multi-stopAer Lingus
15h 00mLHR-BHD
£445
17/5Fri
multi-stopKLM
22h 55mBHD-LHR
20/5Mon
multi-stopKLM
6h 55mLHR-BHD
£518
17/5Fri
multi-stopLufthansa
16h 30mBHD-LHR
20/5Mon
multi-stopLufthansa
7h 55mLHR-BHD
£3,653
16/5Thu
multi-stopLufthansa
16h 30mBHD-LHR
23/5Thu
multi-stopLufthansa
19h 25mLHR-BHD
£3,667

Search by stops

Search by airline

Search by price

Belfast - London Heathrow Airport Flights

Destination:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

London Heathrow Airport - Belfast

Cabin classes: