Cheap flights from Northern Ireland to London 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LON
22 May — 29 May1
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 April 2026.

Thu 14/514:50
BFS
-
STN
Nonstop1h 20m
Ryanair
Sun 17/510:35
STN
-
BFS
Nonstop1h 20m
Ryanair
Deal found 20/4£47
Sat 16/511:10
BFS
-
STN
Nonstop1h 20m
Ryanair
Sun 17/510:35
STN
-
BFS
Nonstop1h 20m
Ryanair
Deal found 17/4£47
Wed 29/420:15
BFS
-
STN
Nonstop1h 20m
Ryanair
Thu 30/411:00
STN
-
BFS
Nonstop1h 20m
Ryanair
Deal found 17/4£49
Thu 4/620:55
BFS
-
LTN
Nonstop1h 15m
easyJet
Thu 11/607:10
LTN
-
BFS
Nonstop1h 20m
easyJet
Deal found 20/4£50
Tue 9/612:50
BHD
-
LTN
Nonstop1h 10m
easyJet
Wed 10/611:00
LTN
-
BHD
Nonstop1h 15m
easyJet
Deal found 21/4£50
Mon 25/506:40
BFS
-
STN
Nonstop1h 25m
Multiple Airlines
Tue 26/514:55
STN
-
BFS
Nonstop1h 20m
Multiple Airlines
Deal found 22/4£50
Tue 12/508:05
BHD
-
LTN
Nonstop1h 10m
easyJet
Wed 13/511:00
LTN
-
BHD
Nonstop1h 15m
easyJet
Deal found 20/4£50
Tue 28/416:40
BFS
-
STN
Nonstop1h 20m
Ryanair
Thu 30/411:00
STN
-
BFS
Nonstop1h 20m
Ryanair
Deal found 17/4£50
Thu 4/615:25
BHD
-
LTN
Nonstop1h 10m
easyJet
Thu 11/609:55
LTN
-
BHD
Nonstop1h 20m
easyJet
Deal found 20/4£51
Thu 14/517:15
BFS
-
STN
Nonstop1h 15m
easyJet
Sun 17/508:50
STN
-
BFS
Nonstop1h 20m
easyJet
Deal found 21/4£51
Thu 14/520:55
BFS
-
LTN
Nonstop1h 15m
easyJet
Sun 17/508:40
LTN
-
BFS
Nonstop1h 20m
easyJet
Deal found 18/4£52
Sat 9/516:50
BHD
-
LTN
Nonstop1h 10m
easyJet
Sun 31/514:50
LTN
-
BHD
Nonstop1h 15m
easyJet
Deal found 17/4£52

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 April 2026.

Round-trip from

£47

One-way from

£19

Popular in

June

Cheapest in

November

Average price

£70

Good round-trip deal

£49 or less

Good one-way deal

£22 or less
Ryanair
  • Ryanair
  • 14/5-17/5
  • Nonstop
  • 2h 40m total
  • Northern Ireland to London
easyJet
  • easyJet
  • 12/5
  • Nonstop
  • 1h 10m total
  • Northern Ireland to London
Highest demand for flights based on searches. 21% potential increase in price (£14 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Northern Ireland to London (LON).
Price to beat on a one-way flight from Northern Ireland to London (LON).

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 April 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

Thu 7/5

15:55-17:05

Nonstop1h 10m

London Luton

Sun 10/5

08:40-10:00

Nonstop1h 20m

£50

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 2/5

20:15-21:35

Nonstop1h 20m

London Stansted

Wed 6/5

22:00-23:20

Nonstop1h 20m

£50

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Wed 20/5

20:10-21:20

Nonstop1h 10m

London Luton

Sat 30/5

07:05-08:25

Nonstop1h 20m

£50

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Fri 5/6

20:15-21:25

Nonstop1h 10m

London Luton

Tue 9/6

13:00-14:20

Nonstop1h 20m

£50

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 7/5

15:55-17:05

Nonstop1h 10m

London Luton

Thu 14/5

07:10-08:30

Nonstop1h 20m

£50

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 4/6

20:55-22:10

Nonstop1h 15m

London Luton

Sun 7/6

08:40-10:00

Nonstop1h 20m

£50
Fastest return journey

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Mon 1/6

07:00-08:10

Nonstop1h 10m

London Luton

Mon 8/6

21:55-23:10

Nonstop1h 15m

£53

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 9/5

08:55-10:05

Nonstop1h 10m

London Luton

Sun 31/5

08:40-10:00

Nonstop1h 20m

£53

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sun 3/5

07:00-08:10

Nonstop1h 10m

London Luton

Fri 8/5

22:15-23:30

Nonstop1h 15m

£54

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Tue 19/5

07:00-08:10

Nonstop1h 10m

London Luton

Thu 21/5

07:10-08:30

Nonstop1h 20m

£56

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Northern Ireland to London (average of £105). Flying from Northern Ireland to London in December is currently the most expensive (average of £218). 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 April 2026.

It’s optimal to fly from Northern Ireland to London in the evening. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight in the afternoon.

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 April 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.

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

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 Ryanair 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?

  • 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, November is the cheapest month in which you can book a flight from Northern Ireland to London (average of £105). Flying from Northern Ireland to London in December is currently the most expensive (average of £218). 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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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.

Top 6 airlines flying from Northern Ireland to London

Discover the top 6 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£19Average£58FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£19Average£96FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£39Average£63FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£85Average£172FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£139Average£223FlexibilityNo cancel feeOn-time79%
Search Loganair flights
Aer LingusCheapest£172Average£197FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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