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Cheap flights from Northern Ireland to London from £18

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LON
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 31 October 2025.

Wed 19/1116:50BHD - LTN
Nonstop1h 10measyJet
Tue 25/1110:25LTN - BHD
Nonstop1h 15measyJet
Deal found 29/10£39
Mon 17/1106:40BFS - LTN
Nonstop1h 10measyJet
Tue 25/1107:00LTN - BFS
Nonstop1h 20measyJet
Deal found 29/10£39
Tue 9/1220:55BFS - LGW
Nonstop1h 25measyJet
Wed 17/1206:25LGW - BFS
Nonstop1h 30measyJet
Deal found 30/10£39
Wed 10/1214:15BHD - LGW
Nonstop1h 20measyJet
Tue 16/1208:05LGW - BHD
Nonstop1h 30measyJet
Deal found 30/10£39
Fri 12/1218:30BFS - STN
Nonstop1h 15measyJet
Wed 17/1207:50STN - BFS
Nonstop1h 20measyJet
Deal found 30/10£39
Fri 12/1221:05BFS - LTN
Nonstop1h 10measyJet
Sun 14/1207:05LTN - BFS
Nonstop1h 20measyJet
Deal found 30/10£40
Thu 13/1120:00BHD - LTN
Nonstop1h 20measyJet
Tue 18/1110:25LTN - BHD
Nonstop1h 15measyJet
Deal found 30/10£40
Thu 11/1220:05BFS - LGW
Nonstop1h 25measyJet
Sat 13/1206:10LGW - BFS
Nonstop1h 30measyJet
Deal found 30/10£40
Fri 12/1218:30BFS - STN
Nonstop1h 15measyJet
Mon 15/1207:50STN - BFS
Nonstop1h 20measyJet
Deal found 29/10£40
Tue 2/1220:55BFS - LGW
Nonstop1h 25measyJet
Tue 9/1206:25LGW - BFS
Nonstop1h 30measyJet
Deal found 30/10£41
Tue 9/1214:15BHD - LGW
Nonstop1h 20measyJet
Sat 13/1207:50LGW - BHD
Nonstop1h 30measyJet
Deal found 30/10£41
Wed 24/1215:45BFS - STN
Nonstop1h 20mRyanair
Fri 2/106:05STN - BFS
Nonstop1h 20mRyanair
Deal found 29/10£41

Cheap 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 31 October 2025.

Round-trip from

£39

One-way from

£18

Popular in

June

Cheapest in

January

Average price

£65

Good round-trip deal

£37 or less

Good one-way deal

£30 or less
easyJet
  • easyJet
  • 19/11-25/11
  • Nonstop
  • 2h 25m total
  • Northern Ireland to London
Search Deals
easyJet
  • easyJet
  • 18/11
  • Nonstop
  • 1h 10m total
  • Northern Ireland to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 2025.
Use the filters below to find and compare flights from Northern Ireland to London that are best for you.

Fly from

Northern Ireland

Fly to

London

Route

Depart

Return

Price

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Mon 17/11

06:40-07:50

Nonstop1h 10m

London Luton

Tue 25/11

07:00-08:20

Nonstop1h 20m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Wed 10/12

14:15-15:40

Nonstop1h 25m

London Gatwick

Tue 16/12

08:35-10:05

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Tue 23/12

06:30-08:00

Nonstop1h 30m

London Gatwick

Fri 2/1

07:00-08:30

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Mon 15/12

20:55-22:20

Nonstop1h 25m

London Gatwick

Tue 16/12

06:25-07:55

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Wed 10/12

20:50-22:15

Nonstop1h 25m

London Gatwick

Sat 13/12

06:10-07:40

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Tue 9/12

20:55-22:20

Nonstop1h 25m

London Gatwick

Sat 13/12

06:10-07:40

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Tue 9/12

20:55-22:20

Nonstop1h 25m

London Gatwick

Tue 16/12

08:35-10:05

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Wed 24/12

18:25-19:50

Nonstop1h 25m

London Gatwick

Fri 2/1

07:00-08:30

Nonstop1h 30m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Tue 9/12

20:55-22:20

Nonstop1h 25m

London Gatwick

Wed 17/12

06:25-07:55

Nonstop1h 30m

£39

BelfastLondon

BHD - LGW

BHDLGW

Belfast City

Wed 10/12

14:15-15:35

Nonstop1h 20m

London Gatwick

Tue 16/12

08:05-09:35

Nonstop1h 30m

£39

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Northern Ireland to London (average of £14). Flying from Northern Ireland to London in July is currently the most expensive (average of £48). 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 31 October 2025.

It’s optimal to fly from Northern Ireland to London in the evening. By choosing this option you can save up to 48% 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 16 December 2024.

Travellers seeking maximum savings on their Northern Ireland to London flight should consider departing on Tuesday at midday 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.

Weekly flight availability from Northern Ireland to London

Explore weekly flight availability from Northern Ireland to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 31 October 2025.

The most flights from GBNIR to LON are scheduled on a Thursday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

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 most popular routes from Northern Ireland to London?

    Most travelers choose Belfast Intl - London Gatwick, Belfast Intl - London Luton or Belfast City - London Heathrow 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, March is the cheapest month in which you can book a flight from Northern Ireland to London (average of £14). Flying from Northern Ireland to London in July is currently the most expensive (average of £48). 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
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
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Crawley
Romford
Brentford
Ipswich
Bedford
Eastbourne

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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.
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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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£21Average£55FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£31Average£92FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£49Average£65FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£78Average£159FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£136Average£209FlexibilityNo cancel feeOn-time79%
Search Loganair flights
Aer LingusCheapest£176Average£227FlexibilityNo 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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