Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Belfast from £37

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BHD
25 Feb — 4 Mar1
1 adult

The best prices from London Heathrow to Belfast are usually found in March or February, booked 66 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Heathrow to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 February 2025.

Round-trip from

£87

One-way from

£37

Popular in

December

Cheapest in

March

Average price

£104
British Airways
  • British Airways
  • 3/5-6/5
  • Nonstop
  • 2h 45m total
  • London to Belfast
Search Deals
British Airways
  • British Airways
  • 28/3
  • Nonstop
  • 1h 25m total
  • London to Belfast
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Heathrow to Belfast

Cheapest flights from Heathrow to Belfast
Explore the most affordable flight options available from Heathrow to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Sun 19/1019:20LHR - BHD
Nonstop1h 25mBritish Airways
Wed 22/1010:00BHD - LHR
Nonstop1h 30mBritish Airways
Deal found 19/2£81
Mon 5/510:15LHR - BHD
Nonstop1h 15mMultiple Airlines
Tue 6/510:40BHD - LHR
1 stop6h 20mMultiple Airlines
Deal found 18/2£137
Wed 23/406:45LHR - BFS
1 stop4h 35mMultiple Airlines
Wed 23/415:05BFS - LHR
1 stop6h 35mMultiple Airlines
Deal found 20/2£153
Thu 18/914:45LHR - BHD
1 stop6h 30mKLM
Sun 21/906:30BHD - LHR
1 stop4h 15mKLM
Deal found 19/2£211

Find flights from Heathrow to Belfast within your budget

Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 20 February 2025.

Fly from

Heathrow

Fly to

Belfast

Route

Depart

Return

Price

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 3/5

19:20-20:45

Nonstop1h 25m

Belfast City

Tue 6/5

20:20-21:40

Nonstop1h 20m

£87

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Mon 5/5

10:15-11:30

Nonstop1h 15m

Belfast City

Tue 6/5

10:40-17:00

1 stop6h 20m

£137

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 23/4

06:45-11:20

1 stop4h 35m

Belfast Intl

Wed 23/4

15:05-21:40

1 stop6h 35m

£153

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 19/3

15:45-21:00

1 stop5h 15m

Belfast City

Wed 26/3

06:30-17:00

1 stop10h 30m

£198

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 28/3

06:05-07:30

Nonstop1h 25m

£37

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Mon 2/6

06:45-10:30

1 stop3h 45m

£77

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Tue 6/5

06:15-10:10

1 stop3h 55m

£80

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Tue 18/3

20:45-09:45

2 stops13h 00m

£148

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 21/3

06:20-16:50

2 stops10h 30m

£194

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Best time to book a flight from Heathrow to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Heathrow to Belfast

Get recent, data-driven insights about flights from Heathrow to Belfast including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Belfast. Price data was last updated on 14 February 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Belfast. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Belfast?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast (average of £67). Flying from London Heathrow Airport to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to BFS?

Find hourly flight availability from Heathrow to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Belfast is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Belfast. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Belfast flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 20 February 2025.
Read through reviews of airlines operating flights from London to Belfast, such as KLM, Air France and Aer Lingus. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,449 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.0
Good
1,070 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,763 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Heathrow Airport to Belfast round-trip?

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at £87. Another option worth looking into is KLM, starting at £212 return. British Airways is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Belfast one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £37. Aer Lingus flights start at £148 while deals on Air France start at £194 one-way.

  • Can I find deals for flights from Heathrow to Belfast that include hotel bookings?

    Yes. In addition to deals on Heathrow to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Belfast.

  • Can I find deals for business class flights from Heathrow to Belfast?

    Yes. Cheapflights offers flight deals from Heathrow to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast (average of £67). Flying from London Heathrow Airport to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Heathrow to Belfast

Discover the top 3 airlines that operate flights from Heathrow to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£38Average£81FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£59Average£162FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£135Average£183FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Belfast?

Deals for Heathrow to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Belfast?

Cheapflights helps you find that perfect flight to Belfast from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Belfast with no change fees?

Yes, we can. To see specific flights from Heathrow to Belfast with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Belfast become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.