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Cheap flights from Northern Ireland to London from £25

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LON
21 Aug — 28 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to London

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to London
Explore the most affordable flight options available from Northern Ireland to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 July 2026.

Sat 3/1007:00
BHD
-
LGW
Nonstop1h 30m
easyJet
Sat 3/1019:00
LGW
-
BHD
Nonstop1h 30m
easyJet
Deal found 21/7£57
Sat 5/906:00
BFS
-
STN
Nonstop1h 20m
easyJet
Sat 12/909:05
STN
-
BFS
1 stop22h 50m
easyJet
Deal found 22/7£57
Wed 19/807:00
BFS
-
LTN
Nonstop1h 10m
easyJet
Wed 26/807:00
LTN
-
BFS
Nonstop1h 20m
easyJet
Deal found 21/7£57
Thu 13/820:40
BFS
-
STN
Nonstop1h 20m
Ryanair
Tue 18/821:20
STN
-
BFS
1 stop10h 45m
Ryanair
Deal found 21/7£57
Sun 20/922:10
BFS
-
LTN
Nonstop1h 10m
easyJet
Sun 27/908:40
LTN
-
BFS
Nonstop1h 20m
easyJet
Deal found 22/7£58
Thu 27/806:35
BFS
-
STN
Nonstop1h 20m
easyJet
Sun 30/808:50
STN
-
BFS
Nonstop1h 20m
easyJet
Deal found 22/7£58
Fri 18/918:20
BHD
-
LTN
Nonstop1h 10m
easyJet
Fri 25/916:35
LTN
-
BHD
Nonstop1h 15m
easyJet
Deal found 20/7£59
Thu 10/917:15
BFS
-
STN
Nonstop1h 15m
easyJet
Thu 17/917:15
STN
-
BFS
1 stop6h 00m
easyJet
Deal found 21/7£59
Thu 27/820:55
BFS
-
LTN
Nonstop1h 15m
easyJet
Sun 30/808:40
LTN
-
BFS
Nonstop1h 20m
easyJet
Deal found 22/7£60
Thu 10/920:40
BFS
-
STN
Nonstop1h 20m
Ryanair
Mon 14/922:00
STN
-
BFS
1 stop10h 05m
Ryanair
Deal found 22/7£60
Tue 18/807:00
BFS
-
LTN
Nonstop1h 10m
easyJet
Tue 25/806:05
LTN
-
BFS
Nonstop1h 20m
easyJet
Deal found 19/7£60
Tue 20/1008:05
BHD
-
LTN
Nonstop1h 10m
easyJet
Tue 27/1010:20
LTN
-
BHD
Nonstop1h 15m
easyJet
Deal found 22/7£60

Find flight deals from Northern Ireland to London

Keep the following information in mind while searching for Northern Ireland to London flight deals. Data was last updated 22 July 2026.

Round-trip from

£57

One-way from

£25

Popular in

July

Cheapest in

November

Average price

£107

Good round-trip deal

£57 or less

Good one-way deal

£23 or less
easyJet
  • easyJet
  • 3/10-3/10
  • Nonstop
  • 3h 00m total
  • Northern Ireland to London
Search Deals
easyJet
  • easyJet
  • 20/10
  • Nonstop
  • 1h 10m total
  • Northern Ireland to London
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Northern Ireland to London (LON).
Search Deals
Price to beat on a one-way flight from Northern Ireland to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 858,174 searches. Data last updated 22 July 2026.
Use the filters below to find and compare flights from Northern Ireland to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 12/9

15:35-16:45

Nonstop1h 10m

London Luton

Sun 13/9

15:50-21:30

1 stop5h 40m

£60

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 5/9

15:35-16:45

Nonstop1h 10m

London Luton

Mon 7/9

08:50-17:25

1 stop8h 35m

£60

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Tue 15/9

10:35-11:55

Nonstop1h 20m

London Stansted

Thu 17/9

17:15-23:15

1 stop6h 00m

£60

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 16/10

06:15-07:35

Nonstop1h 20m

London Stansted

Mon 19/10

08:05-13:05

1 stop5h 00m

£61

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Wed 19/8

06:00-07:20

Nonstop1h 20m

London Stansted

Wed 26/8

21:55-07:50

1 stop9h 55m

£61

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 24/10

15:35-16:45

Nonstop1h 10m

London Luton

Thu 29/10

07:00-08:20

Nonstop1h 20m

£62

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Tue 20/10

10:35-11:55

Nonstop1h 20m

London Stansted

Tue 27/10

12:05-13:25

Nonstop1h 20m

£63
Fastest return journey

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Tue 20/10

07:00-08:10

Nonstop1h 10m

London Luton

Tue 27/10

15:00-16:15

Nonstop1h 15m

£64

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 19/9

15:35-16:45

Nonstop1h 10m

London Luton

Tue 22/9

13:00-14:20

Nonstop1h 20m

£66

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 19/9

06:00-07:20

Nonstop1h 20m

London Stansted

Tue 22/9

08:35-09:55

Nonstop1h 20m

£66

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Northern Ireland to London

Have a flexible travel schedule? Discover the best time to fly to London from Northern Ireland 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 Northern Ireland to London

What is the cheapest month to book a flight from Northern Ireland to London?

Currently, February is the cheapest month in which you can book a flight from Northern Ireland to London (average of £84). Flying from Northern Ireland to London in July is currently the most expensive (average of £145). 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 NIR to LON?

Find hourly flight availability from Northern Ireland to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 July 2026.

It’s optimal to fly from Northern Ireland to London in the evening. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from Northern Ireland to London?

How far ahead should I book a flight from Northern Ireland to London?

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Northern Ireland to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Northern Ireland to London?

Use this chart to determine the cheapest time to fly return from Northern Ireland to London. Price data was last updated on 18 July 2026.

Travellers seeking maximum savings on their Northern Ireland to London flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to London. 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 Northern Ireland to London?

    easyJet and British Airways can get you from Northern Ireland to London in just under 1h 10m. Your travel time will be generally consistent. The distance from Northern Ireland to London is about 308 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Northern Ireland to London one-way?

    To fly one-way, consider booking your trip with Ryanair, which is currently one of the cheapest options available, starting at £15. easyJet flights start at £16 while deals on British Airways start at £52 one-way.

  • What are the most popular routes from Northern Ireland to London?

    Most travelers choose Belfast Intl - London Gatwick, Belfast Intl - London Luton or Belfast Intl - London Stansted when deciding on the best route from Northern Ireland to London.

  • Can I find deals for flights from Northern Ireland to London that include hotel bookings?

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

  • How can I find direct flights from Northern Ireland to London?

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

  • Can I find deals for business class flights from Northern Ireland to London?

    Yes. Cheapflights offers flight deals from Northern Ireland to London 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 Northern Ireland to London?

    Currently, February is the cheapest month in which you can book a flight from Northern Ireland to London (average of £84). Flying from Northern Ireland to London in July is currently the most expensive (average of £145). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Dover
Romford
Enfield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to London

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Edinburgh flights
Stansted to Edinburgh flights
Heathrow to Edinburgh flights
Luton to Edinburgh flights
London City to Edinburgh flights
Belfast Intl to Gatwick flights
Belfast Intl to Luton flights
Edinburgh to Gatwick flights
Edinburgh to Stansted flights
Edinburgh to Luton flights
Glasgow Intl to Gatwick flights
Edinburgh to Heathrow flights
Glasgow Intl to Luton flights
Belfast Intl to Edinburgh flights
Glasgow Intl to Heathrow flights
Glasgow Intl to Stansted flights
Belfast Intl to Stansted flights
Edinburgh to London City flights
Belfast Intl to Heathrow flights
Belfast City to Gatwick flights
Manchester to Gatwick flights
Belfast City to Heathrow flights
Manchester to London City flights
Gatwick to Manchester flights
Manchester to Stansted flights
Manchester to Luton flights
Heathrow to Manchester flights
London City to Manchester flights
Glasgow Intl to London City flights
Belfast City to Luton flights
Bristol to Edinburgh flights
Aberdeen to Gatwick flights
Manchester to Heathrow flights
Luton to Manchester flights
Stansted to Manchester flights
Belfast City to Edinburgh flights
Birmingham to Edinburgh flights
Belfast Intl to London City flights
Southampton to Edinburgh flights
Belfast City to London City flights
Belfast City to Stansted flights
Heathrow to Newcastle upon Tyne flights
Aberdeen to Heathrow flights
Belfast Intl to Liverpool flights
Belfast Intl to Manchester flights
Luton to Newcastle upon Tyne flights
Stansted to Newcastle upon Tyne flights
Heathrow to Newquay flights
Gatwick to Newcastle upon Tyne flights
Aberdeen to Stansted flights

Top 4 airlines flying from Northern Ireland to London

Discover the top 4 airlines that operate flights from Northern Ireland to London. 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 22 July 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£18Average£88FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£19Average£59FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£87Average£171FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£140Average£194FlexibilityNo 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 Northern Ireland to London?

Cheapflights helps you search for flights from Northern Ireland to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Northern Ireland to London with no change fees?

Certainly. Search results for flights to London from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Northern Ireland to London become cheaper?

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

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