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Cheap flights from London to Belfast Intl Airport from £19

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
6 2月 — 13 2月1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or November, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from London to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Belfast Intl (BFS). 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 7 1月 2026.

Round-trip from

£33

One-way from

£19

Popular in

July

Cheapest in

January

Average price

£42

Good round-trip deal

£36 or less

Good one-way deal

£27 or less
Ryanair
  • Ryanair
  • 23/2-23/2
  • Nonstop
  • 2h 40m total
  • London to Belfast
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Ryanair
  • Ryanair
  • 16/1
  • Nonstop
  • 1h 20m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from London (LON) to Belfast Intl.
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Price to beat on a one-way flight from London (LON) to Belfast Intl.
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Find flight deals from London to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from London to Belfast Intl
Explore the most affordable flight options available from London to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 1月 2026.

週一 23/206:05STN - BFS
Nonstop1h 20mRyanair
週一 23/222:20BFS - STN
Nonstop1h 20mRyanair
Deal found 6/1£33
週六 24/107:00LTN - BFS
Nonstop1h 20measyJet
週二 27/116:50BFS - LTN
Nonstop1h 10measyJet
Deal found 6/1£33
週四 12/314:40LTN - BFS
Nonstop1h 15measyJet
週三 18/307:00BFS - LTN
Nonstop1h 10measyJet
Deal found 6/1£33
週五 16/107:00LTN - BFS
Nonstop1h 20measyJet
週一 9/221:00BFS - LTN
Nonstop1h 10measyJet
Deal found 5/1£34
週六 21/207:00LTN - BFS
Nonstop1h 20measyJet
週六 28/213:10BFS - LTN
Nonstop1h 10measyJet
Deal found 7/1£35
週四 22/108:00STN - BFS
Nonstop1h 20mRyanair
週日 25/122:45BFS - STN
Nonstop1h 20mRyanair
Deal found 6/1£35
週六 17/107:00LTN - BFS
Nonstop1h 20measyJet
週六 24/113:10BFS - LTN
Nonstop1h 10measyJet
Deal found 6/1£35
週五 20/206:05STN - BFS
Nonstop1h 20mRyanair
週五 27/214:30BFS - STN
Nonstop1h 20mRyanair
Deal found 6/1£36
週四 12/314:40LTN - BFS
Nonstop1h 15measyJet
週二 17/316:50BFS - LTN
Nonstop1h 10measyJet
Deal found 6/1£36
週六 24/106:10LGW - BFS
Nonstop1h 30measyJet
週一 26/120:55BFS - LGW
Nonstop1h 25measyJet
Deal found 6/1£37
週四 12/208:00STN - BFS
Nonstop1h 20mRyanair
週日 22/205:45BFS - STN
Nonstop1h 20mRyanair
Deal found 6/1£37
週四 29/107:00LTN - BFS
Nonstop1h 20measyJet
週四 29/121:00BFS - LTN
Nonstop1h 10measyJet
Deal found 5/1£37

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Belfast Intl 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 7 1月 2026.
Use the filters below to find and compare flights from London to Belfast Intl Airport that are best for you.

Fly from

London

Fly to

Belfast Intl

Route

Depart

Return

Price

LondonBelfast

STN - BFS

STNBFS

London Stansted

週一 23/2

06:05-07:25

Nonstop1h 20m

Belfast Intl

週一 23/2

22:20-23:40

Nonstop1h 20m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週三 11/3

08:40-10:00

Nonstop1h 20m

Belfast Intl

週三 11/3

14:50-16:00

Nonstop1h 10m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週三 11/3

08:40-10:00

Nonstop1h 20m

Belfast Intl

週日 15/3

20:55-22:05

Nonstop1h 10m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週四 12/3

14:40-15:55

Nonstop1h 15m

Belfast Intl

週三 18/3

07:00-08:10

Nonstop1h 10m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週五 13/3

07:00-08:20

Nonstop1h 20m

Belfast Intl

週二 17/3

16:50-18:00

Nonstop1h 10m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週四 12/3

14:40-15:55

Nonstop1h 15m

Belfast Intl

週日 15/3

20:55-22:05

Nonstop1h 10m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週四 12/3

14:40-15:55

Nonstop1h 15m

Belfast Intl

週一 16/3

21:00-22:10

Nonstop1h 10m

£33

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週六 21/3

11:20-12:35

Nonstop1h 15m

Belfast Intl

週二 24/3

08:50-10:00

Nonstop1h 10m

£34

LondonBelfast

LTN - BFS

LTNBFS

London Luton

週五 20/3

07:00-08:20

Nonstop1h 20m

Belfast Intl

週一 23/3

08:50-10:00

Nonstop1h 10m

£34

LondonBelfast

STN - BFS

STNBFS

London Stansted

週二 20/1

07:45-09:05

Nonstop1h 20m

Belfast Intl

週三 21/1

15:45-17:05

Nonstop1h 20m

£35

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 60 results
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Best time to book a flight from London to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Belfast Intl Airport

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

Use this chart to determine the optimal time to book a return flight from London to Belfast Intl. Price data was last updated on 2 January 2026.

The best time to book flights from London to Belfast Intl Airport is 81 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.

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

Currently, November is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £15). Flying from London to Belfast Intl Airport in August is currently the most expensive (average of £39). 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 LON to BFS?

Find hourly flight availability from London to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 1月 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 24% on flights from London to Belfast Intl Airport by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly return from London to Belfast Intl. Price data was last updated on 3 January 2026.

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

How much does it cost for a return flight from London to Belfast Intl Airport?

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Intl. Reviews last updated 7 1月 2026.
Get a feel of what it's like to fly with easyJet, Ryanair, andBritish Airways from London to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,858 reviews
Check prices

Crew

7.6

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
easyJet
6.9
Okay
1,858 reviews
easyJet
6.9
Okay
1,858 reviews
Check prices

Crew

7.6

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.8
Okay
5,242 reviews
easyJet
6.9
Okay
1,858 reviews
Check prices

Crew

7.6

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
British Airways
6.7
Okay
7,657 reviews
easyJet
6.9
Okay
1,858 reviews
Check prices

Crew

7.6

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.4
Okay
easyJet
6.9
Okay
1,858 reviews
Check prices

Crew

7.6

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .

Related info for your journey

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

  • How long is the flight from London to Belfast Intl Airport?

    Airlines like Ryanair and easyJet fly from London to Belfast Intl Airport in about 1h 20m. The time it takes to get you to your destination is usually consistent. The distance between London and Belfast Intl Airport is about 328 mi. All flights are typically direct.

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

    Cheapflights users have booked flights from London to Belfast Intl Airport round-trip from £18. Other airlines that can offer you cheap pricing are easyJet, from £25, and Ryanair, from £40. Ryanair is 73% cheaper than the average price of flights available within the next 90 days to this destination.

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

    £15 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on easyJet and Ryanair, with prices starting from £19 and £20, respectively.

  • What are the most popular routes from London to Belfast Intl Airport?

    While some choose either London Luton - Belfast Intl or London Heathrow - Belfast Intl, London Gatwick - Belfast Intl is the most popular route from London to Belfast Intl Airport.

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

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

  • How can I find direct flights from London to Belfast Intl?

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

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

    Yes. Cheapflights offers flight deals from London to Belfast Intl 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 to Belfast Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £15). Flying from London to Belfast Intl Airport in August is currently the most expensive (average of £39). 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Fly from London to Belfast Intl on these airlines

Choose from the following airlines for your flight from London to Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 7 1月 2026.
easyJet flights from London to Belfast Intl
Ryanair flights from London to Belfast Intl
British Airways flights from London to Belfast Intl

Top 4 airlines flying from London to Belfast Intl

Discover the top 4 airlines that operate flights from London to Belfast Intl. 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 7 1月 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£59FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£29Average£76FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£40Average£73FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£81Average£174FlexibilityNo cancel feeOn-time70%
Search British Airways 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 London to Belfast Intl?

Deals for London to Belfast Intl 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 London to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Belfast Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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