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Cheap flights from Belfast to London from £20

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 12/3. 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.
BHD — LON
26 Feb — 4 Mar1
1 adult
Mon 26/2
Mon 4/3

The best prices from Belfast to London are usually found in May or September, booked 82 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Belfast to London

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to London (LON). 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 22 February 2024.

Popular in

December

Cheapest in

May

Round-trip from

£59

One-way from

£20
High demand for flights, 31% potential price rise
Best time to find cheap flights, 33% potential price drop
From Belfast to London (LON)
One-way flight from Belfast to London (LON)

What is the cheapest day to fly round-trip from Belfast to London?

Saturday flights are found to be more expensive to fly from Belfast to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

To save on the cost of your flight from Belfast to London, book at least 51 days before your planned departure. Booking around this time can save you about 176% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £70 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £110.

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

Flights from Belfast to London lean towards being more expensive in December. Prices are generally better when you fly from Belfast to London in May, with the cheapest ticket starting at £22.

When is the cheapest time to fly from Belfast to London (BFS - LON)?

One of the essential ways to save on airfare from Belfast to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

Cheap British Airways flights from Belfast to London

Explore cheap flight options specifically provided by British Airways for the route between Belfast and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
Consider these cheap British Airways flights we've found departing from Belfast to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 27/419:50BHD - LHR
Nonstop1h 20mBritish Airways
Sun 28/415:05LHR - BHD
Nonstop1h 20mBritish Airways
Deal found 21/2£89
Fri 26/420:05BHD - LHR
Nonstop1h 20mBritish Airways
Sun 28/415:05LHR - BHD
Nonstop1h 20mBritish Airways
Deal found 21/2£91
Thu 21/319:30BHD - LHR
Nonstop1h 15mBritish Airways
Mon 25/306:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 21/2£92
Thu 21/319:30BHD - LHR
Nonstop1h 15mBritish Airways
Thu 4/417:25LHR - BHD
Nonstop1h 20mBritish Airways
Deal found 21/2£93
Tue 27/219:20BHD - LHR
Nonstop1h 25mBritish Airways
Thu 29/206:45LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 21/2£93
Fri 8/320:15BHD - LHR
Nonstop1h 15mBritish Airways
Mon 11/306:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 21/2£96
Wed 13/319:20BHD - LHR
Nonstop1h 25mBritish Airways
Wed 20/307:00LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 21/2£97
Thu 29/209:00BHD - LHR
Nonstop1h 30mBritish Airways
Sun 3/307:20LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 21/2£104
Thu 29/206:45BHD - LHR
Nonstop1h 30mBritish Airways
Tue 5/306:15LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 21/2£105

Cheap Aer Lingus flights from Belfast to London

Explore cheap flight options specifically provided by Aer Lingus for the route between Belfast and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
Some of the best deals we've found on Aer Lingus flights travelling from Belfast to London. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 20/306:35BHD - LGW
2 stops12h 10mAer Lingus
Wed 27/311:05LGW - BHD
2 stops9h 55mAer Lingus
Deal found 21/2£202
Fri 1/307:00BHD - LHR
2 stops15h 00mAer Lingus
Mon 4/307:50LHR - BHD
2 stops13h 10mAer Lingus
Deal found 21/2£305

Cheap Belfast to London flights in February & March 2024

Find cheap flight options from Belfast to London specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 919,059 searches. Prices were last updated on 22 February 2024.
Listed are some of the best fares we've found on flights departing from Belfast to London in 2024. Check back regularly for other flight deals.
Thu 21/318:00BFS - STN
Nonstop1h 15mRyanair
Mon 25/307:40STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£30
Sun 17/306:00BFS - STN
Nonstop1h 15mRyanair
Sun 24/307:40STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£31
Fri 15/306:10BFS - STN
Nonstop1h 15mRyanair
Tue 19/319:30STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£32
Sat 9/314:10BFS - LTN
Nonstop1h 10measyJet
Sun 10/307:05LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£32
Thu 21/308:50BFS - LTN
Nonstop1h 10measyJet
Sat 23/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£33
Wed 13/306:00BFS - STN
Nonstop1h 15measyJet
Wed 20/307:45STN - BFS
Nonstop1h 20measyJet
Deal found 21/2£33
Fri 29/316:50BFS - STN
Nonstop1h 15mRyanair
Fri 5/407:40STN - BFS
Nonstop1h 20mRyanair
Deal found 21/2£34
Thu 21/308:50BFS - LTN
Nonstop1h 10measyJet
Mon 25/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£35
Fri 15/321:00BFS - LTN
Nonstop1h 10measyJet
Tue 19/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£36

Belfast to London 2024 flight deals

Discover exclusive flight deals for travel between Belfast and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
Listed are some of the best fares we've found on flights departing from Belfast to London in 2024. Check back regularly for other flight deals.
Thu 21/318:00BFS - STN
Nonstop1h 15mRyanair
Mon 25/307:40STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£30
Sun 17/306:00BFS - STN
Nonstop1h 15mRyanair
Sun 24/307:40STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£31
Fri 15/306:10BFS - STN
Nonstop1h 15mRyanair
Tue 19/319:30STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£32
Sat 9/314:10BFS - LTN
Nonstop1h 10measyJet
Sun 10/307:05LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£32
Thu 21/308:50BFS - LTN
Nonstop1h 10measyJet
Sat 23/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£33
Wed 13/306:00BFS - STN
Nonstop1h 15measyJet
Wed 20/307:45STN - BFS
Nonstop1h 20measyJet
Deal found 21/2£33
Fri 29/316:50BFS - STN
Nonstop1h 15mRyanair
Fri 5/407:40STN - BFS
Nonstop1h 20mRyanair
Deal found 21/2£34
Thu 21/308:50BFS - LTN
Nonstop1h 10measyJet
Mon 25/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£35
Sun 12/507:45BFS - STN
Nonstop1h 20mRyanair
Mon 13/522:35STN - BFS
Nonstop1h 20mRyanair
Deal found 21/2£36

Direct flights to London from Belfast

Discover direct flight options from Belfast to London. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
Consider booking one of these non-stop flights heading from Belfast to London. Search for alternative flights from Belfast to London by utilising the search form above.
Thu 21/308:50BFS - LTN
Nonstop1h 10measyJet
Mon 25/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£23
Mon 11/306:00BFS - STN
Nonstop1h 15mRyanair
Mon 18/307:40STN - BFS
Nonstop1h 25mRyanair
Deal found 20/2£30
Sat 2/319:05BFS - STN
Nonstop1h 15mRyanair
Sat 9/307:45STN - BFS
Nonstop1h 25mRyanair
Deal found 20/2£31
Sun 17/308:50BFS - LTN
Nonstop1h 10measyJet
Sun 24/307:05LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£32
Fri 15/316:50BFS - STN
Nonstop1h 15mRyanair
Tue 19/319:30STN - BFS
Nonstop1h 25mRyanair
Deal found 20/2£32
Thu 7/321:00BFS - LTN
Nonstop1h 10measyJet
Sun 10/307:05LTN - BFS
Nonstop1h 15measyJet
Deal found 20/2£32
Sun 17/306:00BFS - STN
Nonstop1h 15mRyanair
Sun 24/307:40STN - BFS
Nonstop1h 25mRyanair
Deal found 21/2£32
Sat 9/314:10BFS - LTN
Nonstop1h 10measyJet
Sun 10/307:05LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£33
Wed 13/306:00BFS - STN
Nonstop1h 15measyJet
Wed 20/307:45STN - BFS
Nonstop1h 20measyJet
Deal found 21/2£33

Belfast to London flights leaving soon

Find last-minute flight options from Belfast to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
Have a look at some of the last-minute flights available departing from Belfast to London. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 2/308:05BFS - LGW
Nonstop1h 20measyJet
Sat 9/306:10LGW - BFS
Nonstop1h 25measyJet
Deal found 21/2£59
Sat 2/309:20BHD - LTN
Nonstop1h 20measyJet
Sat 9/307:15LTN - BHD
Nonstop1h 30measyJet
Deal found 20/2£60
Fri 1/321:00BFS - LTN
Nonstop1h 10measyJet
Tue 5/307:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£61
Fri 1/321:25BFS - LGW
Nonstop1h 20measyJet
Sat 2/306:10LGW - BFS
Nonstop1h 25measyJet
Deal found 21/2£61
Mon 26/209:35BFS - STN
Nonstop1h 15measyJet
Thu 29/207:45STN - BFS
Nonstop1h 20measyJet
Deal found 21/2£63
Mon 26/221:05BFS - LTN
Nonstop1h 10measyJet
Thu 29/207:00LTN - BFS
Nonstop1h 15measyJet
Deal found 21/2£64
Thu 29/218:25BFS - STN
Nonstop1h 15measyJet
Tue 5/307:45STN - BFS
Nonstop1h 20measyJet
Deal found 21/2£65
Wed 28/217:20BHD - LTN
Nonstop1h 20measyJet
Wed 6/315:20LTN - BHD
Nonstop1h 30measyJet
Deal found 20/2£68
Thu 29/221:00BFS - LTN
Nonstop1h 10measyJet
Tue 5/308:45LTN - BFS
1 stop11h 35measyJet
Deal found 21/2£69

One-way flights to London from Belfast

Search for one-way flight options from Belfast to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
Users in need of a one-way flight from Belfast to London can choose from these deals. For those needing a return trip from Belfast, there is a search form available above.
Tue 12/306:00BFS - STN
Nonstop1h 15measyJet
Deal found 20/2£20
Thu 28/321:00BFS - LTN
Nonstop1h 10measyJet
Deal found 21/2£21
Thu 25/421:10BFS - LGW
Nonstop1h 25measyJet
Deal found 21/2£21
Mon 1/406:00BFS - STN
Nonstop1h 20mRyanair
Deal found 21/2£21
Tue 30/420:50BHD - LTN
Nonstop1h 25measyJet
Deal found 21/2£21
Fri 5/421:05BFS - LGW
Nonstop1h 25measyJet
Deal found 21/2£21
Thu 29/206:10BFS - STN
Nonstop1h 15mRyanair
Deal found 21/2£21
Mon 29/409:15BHD - LTN
Nonstop1h 20measyJet
Deal found 21/2£22
Mon 18/306:00BFS - STN
Nonstop1h 15measyJet
Deal found 20/2£22

Find flights from Belfast to London within your budget

Customise your flight search to find flights from Belfast to London 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 919,059 searches. Data last updated 22 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£30 - £78

Route

Depart

Return

Price

Belfast IntlLondon Stansted

BFS - STN

BFSSTN

Belfast Intl

Thu 21/3

Nonstop1h 15m

London Stansted

Thu 4/4

Nonstop1h 20m

£30

Belfast IntlLondon Stansted

BFS - STN

BFSSTN

Belfast Intl

Sat 2/3

Nonstop1h 15m

London Stansted

Sat 9/3

Nonstop1h 25m

£31

Belfast IntlLondon Stansted

BFS - STN

BFSSTN

Belfast Intl

Fri 15/3

Nonstop1h 15m

London Stansted

Wed 20/3

Nonstop1h 25m

£32

Belfast IntlLondon Luton

BFS - LTN

BFSLTN

Belfast Intl

Sat 9/3

Nonstop1h 10m

London Luton

Sun 10/3

Nonstop1h 15m

£32

Belfast IntlLondon Luton

BFS - LTN

BFSLTN

Belfast Intl

Thu 21/3

Nonstop1h 10m

London Luton

Sat 23/3

Nonstop1h 15m

£33

Belfast IntlLondon Stansted

BFS - STN

BFSSTN

Belfast Intl

Wed 13/3

Nonstop1h 15m

London Stansted

Wed 20/3

Nonstop1h 20m

£33

Belfast IntlLondon Stansted

BFS - STN

BFSSTN

Belfast Intl

Thu 28/3

Nonstop1h 15m

London Stansted

Tue 2/4

Nonstop1h 20m

£34

Belfast IntlLondon Luton

BFS - LTN

BFSLTN

Belfast Intl

Thu 21/3

Nonstop1h 10m

London Luton

Mon 25/3

Nonstop1h 15m

£35

Belfast CityLondon Luton

BHD - LTN

BHDLTN

Belfast City

Wed 13/3

Nonstop1h 20m

London Luton

Wed 20/3

1 stop13h 20m

£78

Flights are sorted by cheapest first

Deals found on 21/2

When is the best time to book a flight from Belfast to London?

Use this chart to determine the optimal time to book a return flight from Belfast to London. Price data was last updated on 28 January 2024.
The best time to book flights from Belfast to London is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Belfast to London?

Use this chart to determine the cheapest time to fly return from Belfast to London. Price data was last updated on 18 February 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Belfast to London flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Belfast to London by taking into account the cheapest months to travel. The average price of a one-way flight from Belfast to London is currently £21 while a return flight costs £38. Price data was last updated on 18 February 2024.

Currently, January is the cheapest month in which you can book a flight from Belfast to London (average of £111). Flying from Belfast to London in July is currently the most expensive (average of £177). 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.

January

£88

February

£99

March

£93

April

£111

May

£112

June

£131

July

£140

August

£110

September

£109

October

£126

November

£90

December

£93

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 22 February 2024.
Read reviews from past customers who have flown British Airways, Aer Lingus and KLM from Belfast to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
1,779 reviews

Overall

7.8

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.8
Good
1,779 reviews
7.8
Good
1,779 reviews

Overall

7.8

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.6
Good
1,974 reviews
7.8
Good
1,779 reviews

Overall

7.8

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.3
Good
1,427 reviews
7.8
Good
1,779 reviews

Overall

7.8

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.1
Good
8,112 reviews
7.8
Good
1,779 reviews

Overall

7.8

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.0
Good
3,157 reviews
7.8
Good
1,779 reviews

Overall

7.8

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

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

Can I find flights from Belfast to London for under £100 on Cheapflights?

Yes, there are multiple flights from Belfast to London for under £100. The cheapest flight booked recently is on Ryanair for just £30, but on average you can expect to pay £36.

Are there nonstop flights from Belfast to London for under £100 on Cheapflights?

Cheapflights has at least 20 direct flights from Belfast to London under £100. A good price for a nonstop flight from Belfast to London is less than £33.

Are there last-minute flights available from Belfast to London for under £100?

There are currently 20+ open flights from Belfast to London within the next 7 days for less than £100.

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

According to our current data, Ryanair (£30), and easyJet (£32) offers the cheapest pricing from Belfast to London. Ryanair is 51% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular routes from Belfast to London?