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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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or November, booked 43 days in advance, depart on a Wednesday or Tuesday and return on a Friday

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 25 March 2025.

Round-trip from

£33

One-way from

£19

Popular in

July

Cheapest in

January

Average price

£55

Good round-trip deal

£41 or less

Good one-way deal

£25 or less
Ryanair
  • Ryanair
  • 29/4-2/5
  • Nonstop
  • 2h 35m total
  • London to Belfast
Ryanair
  • Ryanair
  • 19/5
  • Nonstop
  • 1h 15m total
  • London to Belfast
Highest demand for flights based on searches. 19% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£2 potential savings vs. average return price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from London (LON) to Belfast Intl.
Price to beat on a one-way flight from London (LON) to Belfast Intl.

Find flight deals from London to Belfast Intl

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 25 March 2025.

Tue 29/409:10STN - BFS
Nonstop1h 15mRyanair
Fri 2/506:05BFS - STN
Nonstop1h 20mRyanair
Deal found 24/3£33
Sat 26/407:50STN - BFS
Nonstop1h 20measyJet
Thu 1/506:35BFS - STN
Nonstop1h 20measyJet
Deal found 24/3£37
Thu 24/407:10LTN - BFS
Nonstop1h 20measyJet
Thu 1/521:00BFS - LTN
Nonstop1h 10measyJet
Deal found 24/3£46
Sun 27/406:45STN - BFS
Nonstop1h 15mMultiple Airlines
Thu 1/506:35BFS - STN
Nonstop1h 20mMultiple Airlines
Deal found 24/3£50
Wed 7/506:00LGW - BFS
Nonstop1h 30measyJet
Fri 9/521:05BFS - LGW
Nonstop1h 25measyJet
Deal found 24/3£53
Wed 7/505:35LGW - BFS
1 stop27h 25mMultiple Airlines
Fri 9/521:05BFS - LGW
Nonstop1h 25mMultiple Airlines
Deal found 24/3£91
Thu 27/307:00LTN - BFS
Nonstop1h 15mMultiple Airlines
Thu 3/408:50BFS - LTN
1 stop11h 50mMultiple Airlines
Deal found 24/3£91
Wed 7/506:45LHR - BFS
1 stop7h 50mMultiple Airlines
Tue 13/516:40BFS - LHR
1 stop6h 00mMultiple Airlines
Deal found 24/3£155
Wed 26/308:20STN - BFS
1 stop10h 00mRyanair
Sat 29/308:40BFS - STN
1 stop22h 20mRyanair
Deal found 24/3£157
Fri 4/413:35SEN - BFS
1 stop9h 45mMultiple Airlines
Sun 6/421:00BFS - SEN
1 stop15h 10mMultiple Airlines
Deal found 24/3£208
Wed 14/507:00LCY - BFS
1 stop4h 20mMultiple Airlines
Wed 28/508:40BFS - LCY
1 stop6h 10mMultiple Airlines
Deal found 24/3£218
Sun 13/715:55SEN - BFS
1 stop6h 20measyJet
Wed 16/710:20BFS - SEN
1 stop9h 20measyJet
Deal found 24/3£320

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 25 March 2025.
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

Tue 29/4

09:10-10:25

Nonstop1h 15m

Belfast Intl

Fri 2/5

06:05-07:25

Nonstop1h 20m

£33

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sat 26/4

07:50-09:10

Nonstop1h 20m

Belfast Intl

Thu 1/5

06:35-07:55

Nonstop1h 20m

£37

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Thu 24/4

07:10-08:30

Nonstop1h 20m

Belfast Intl

Thu 1/5

21:00-22:10

Nonstop1h 10m

£46

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sun 27/4

06:45-08:00

Nonstop1h 15m

Belfast Intl

Thu 1/5

06:35-07:55

Nonstop1h 20m

£50

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Wed 7/5

06:00-07:30

Nonstop1h 30m

Belfast Intl

Fri 9/5

21:05-22:30

Nonstop1h 25m

£53

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Wed 7/5

05:35-09:00

1 stop27h 25m

Belfast Intl

Fri 9/5

21:05-22:30

Nonstop1h 25m

£91

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Thu 8/5

13:30-18:35

1 stop5h 05m

Belfast Intl

Thu 15/5

21:00-22:10

Nonstop1h 10m

£93

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 4/4

20:35-07:45

1 stop11h 10m

Belfast Intl

Sun 6/4

17:25-21:25

1 stop28h 00m

£101

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 7/5

06:45-14:35

1 stop7h 50m

Belfast Intl

Tue 13/5

16:40-22:40

1 stop6h 00m

£155

LondonBelfast

SEN - BFS

SENBFS

London Southend

Fri 4/4

13:35-23:20

1 stop9h 45m

Belfast Intl

Sun 6/4

21:00-12:10

1 stop15h 10m

£208

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 25 results
1
2
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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 21 March 2025.

The best time to book flights from London to Belfast Intl Airport is 43 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, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £67). Flying from London to Belfast Intl Airport 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 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 25 March 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% 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 16 December 2024.

Travellers seeking maximum savings on their London to Belfast Intl Airport flight should consider departing on Saturday evenings 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.

Rainfall in Belfast Intl by month

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

In terms of precipitation, rainfall in Belfast Intl Airport 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 Intl Airport when rainfall is around 50.0 mm.

Temperature in Belfast Intl by month

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

If weather is an important factor for your trip to Belfast Intl Airport, 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 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 25 March 2025.
Peruse reviews from past customers who have flown with easyJet, Ryanair and Ryanair from London to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

5.9

Comfort

6.7

Entertainment

5.5

Boarding

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

Food

5.9

Comfort

6.7

Entertainment

5.5

Boarding

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

Food

5.9

Comfort

6.7

Entertainment

5.5

Boarding

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly
Ryanair
6.1
Okay

Food

5.9

Comfort

6.7

Entertainment

5.5

Boarding

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

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.
  • 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 £33. Other airlines that can offer you cheap pricing are easyJet, from £37, and Ryanair, from £101. Ryanair is 47% 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?

    £19 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 £26 and £34, respectively.

  • What are the most popular routes 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, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £67). Flying from London to Belfast Intl Airport 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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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 25 March 2025.

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£21Average£37FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£30Average£53FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£31Average£72FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£81Average£167FlexibilityNo 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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