Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Northern Ireland 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from London to Northern Ireland

Keep the following information in mind while searching for London to Northern Ireland flight deals. Data was last updated 17 September 2025.

Round-trip from

£38

One-way from

£25

Popular in

July

Cheapest in

January

Average price

£55

Good round-trip deal

£36 or less

Good one-way deal

£26 or less
Ryanair
  • Ryanair
  • 31/10-7/11
  • Nonstop
  • 2h 40m total
  • London to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 10/10
  • Nonstop
  • 1h 15m total
  • London to Northern Ireland
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Northern Ireland.
Search Deals
Price to beat on a one-way flight from London (LON) to Northern Ireland.
Search Deals

Find flight deals from London to Northern Ireland

Cheapest flights from London to Northern Ireland
Explore the most affordable flight options available from London to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Fri 31/1006:05STN - BFS
Nonstop1h 20mRyanair
Sun 2/1105:45BFS - STN
Nonstop1h 20mRyanair
Deal found 15/9£38
Sun 28/906:45STN - BFS
Nonstop1h 15mRyanair
Thu 2/1006:00BFS - STN
Nonstop1h 20mRyanair
Deal found 16/9£39
Sat 11/1007:05LTN - BFS
Nonstop1h 20measyJet
Wed 15/1020:10BFS - LTN
Nonstop1h 10measyJet
Deal found 14/9£39
Tue 30/909:10STN - BFS
Nonstop1h 15mRyanair
Fri 3/1021:40BFS - STN
Nonstop1h 20mRyanair
Deal found 16/9£40
Mon 29/908:30STN - BFS
Nonstop1h 15mRyanair
Thu 2/1006:00BFS - STN
Nonstop1h 20mRyanair
Deal found 15/9£40
Fri 5/1207:00LTN - BFS
Nonstop1h 20measyJet
Sun 7/1208:55BFS - LTN
Nonstop1h 10measyJet
Deal found 15/9£40
Sun 21/906:45STN - BFS
Nonstop1h 15mRyanair
Wed 24/922:05BFS - STN
Nonstop1h 20mRyanair
Deal found 15/9£41
Thu 25/907:10LTN - BFS
Nonstop1h 20measyJet
Thu 2/1021:00BFS - LTN
Nonstop1h 10measyJet
Deal found 14/9£41
Fri 3/1008:45STN - BFS
Nonstop1h 15mRyanair
Sun 5/1008:30BFS - STN
Nonstop1h 20mRyanair
Deal found 15/9£42
Sat 6/1212:10LTN - BHD
Nonstop1h 15measyJet
Mon 8/1210:05BHD - LTN
Nonstop1h 10measyJet
Deal found 15/9£42
Wed 8/1013:10LTN - BFS
Nonstop1h 15measyJet
Wed 8/1020:10BFS - LTN
Nonstop1h 10measyJet
Deal found 16/9£42
Mon 3/1108:35LGW - BFS
Nonstop1h 30measyJet
Fri 7/1121:20BFS - LGW
Nonstop1h 25measyJet
Deal found 15/9£43

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Northern Ireland 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 17 September 2025.
Use the filters below to find and compare flights from London to Northern Ireland that are best for you.

Fly from

London

Fly to

Northern Ireland

Route

Depart

Return

Price

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 31/10

06:05-07:25

Nonstop1h 20m

Belfast Intl

Fri 7/11

18:00-19:20

Nonstop1h 20m

£38

LondonBelfast

STN - BFS

STNBFS

London Stansted

Mon 29/9

08:30-09:45

Nonstop1h 15m

Belfast Intl

Thu 2/10

06:00-07:20

Nonstop1h 20m

£38

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 1/10

09:10-10:25

Nonstop1h 15m

Belfast Intl

Fri 3/10

21:40-23:00

Nonstop1h 20m

£38

LondonBelfast

STN - BFS

STNBFS

London Stansted

Thu 2/10

07:45-09:00

Nonstop1h 15m

Belfast Intl

Sun 5/10

08:30-09:50

Nonstop1h 20m

£38

LondonBelfast

STN - BFS

STNBFS

London Stansted

Thu 18/12

08:00-09:20

Nonstop1h 20m

Belfast Intl

Sat 20/12

05:45-07:05

Nonstop1h 20m

£40

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sun 28/9

06:45-08:00

Nonstop1h 15m

Belfast Intl

Tue 21/10

07:25-08:45

Nonstop1h 20m

£41

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Fri 28/11

07:00-08:20

Nonstop1h 20m

Belfast Intl

Sun 30/11

08:55-10:05

Nonstop1h 10m

£42

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 3/10

08:45-10:00

Nonstop1h 15m

Belfast Intl

Sun 5/10

08:30-09:50

Nonstop1h 20m

£42

LondonBelfast

STN - BFS

STNBFS

London Stansted

Mon 27/10

06:05-07:25

Nonstop1h 20m

Belfast Intl

Fri 31/10

07:50-09:10

Nonstop1h 20m

£42

LondonBelfast

STN - BFS

STNBFS

London Stansted

Mon 3/11

11:30-12:50

Nonstop1h 20m

Belfast Intl

Fri 7/11

18:30-19:45

Nonstop1h 15m

£43

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from London to Northern Ireland

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

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

Currently, January is the cheapest month in which you can book a flight from London to Northern Ireland (average of £67). Flying from London to Northern Ireland 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 NIR?

Find hourly flight availability from London to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Northern Ireland as you normally would.

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

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated 17 September 2025.
See what other customers who have flown with easyJet, Ryanair, andBritish Airways from London to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,820 reviews
Check prices

Comfort

6.7

Food

5.9

Crew

7.6

Boarding

6.7

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
easyJet
6.9
Okay
1,820 reviews
easyJet
6.9
Okay
1,820 reviews
Check prices

Comfort

6.7

Food

5.9

Crew

7.6

Boarding

6.7

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
Ryanair
6.8
Okay
5,157 reviews
easyJet
6.9
Okay
1,820 reviews
Check prices

Comfort

6.7

Food

5.9

Crew

7.6

Boarding

6.7

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
British Airways
6.7
Okay
7,363 reviews
easyJet
6.9
Okay
1,820 reviews
Check prices

Comfort

6.7

Food

5.9

Crew

7.6

Boarding

6.7

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
Ryanair
6.2
Okay
easyJet
6.9
Okay
1,820 reviews
Check prices

Comfort

6.7

Food

5.9

Crew

7.6

Boarding

6.7

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Related info for your journey

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

    Departing from London to Northern Ireland will take you 1h 20m. Airlines will cover a distance of 328 mi. Most flights are nonstop.

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

    £25 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Ryanair and Ryanair, with prices starting from £26 and £26, respectively.

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

    The most popular route from London to Northern Ireland is London Gatwick - Belfast Intl. You may also consider London Luton - Belfast Intl or London Gatwick - Belfast City.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London to Northern Ireland (average of £67). Flying from London to Northern Ireland 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Northern Ireland

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

Top 5 airlines flying from London to Northern Ireland

Discover the top 5 airlines that operate flights from London to Northern Ireland. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£28Average£59FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£29Average£77FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£43Average£73FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£77Average£143FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£127Average£175FlexibilityNo 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 London to Northern Ireland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Northern Ireland from London today with Cheapflights!

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

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 Northern Ireland.

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

Yes, we can. To see specific flights from London to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on London to Northern Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.