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Cheap flights from London to Northern Ireland from £23

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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 31 October 2025.

Round-trip from

£35

One-way from

£23

Popular in

July

Cheapest in

January

Average price

£70

Good round-trip deal

£36 or less

Good one-way deal

£23 or less
easyJet
  • easyJet
  • 8/12-10/12
  • Nonstop
  • 2h 35m total
  • London to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 12/11
  • Nonstop
  • 1h 20m total
  • London to Northern Ireland
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£4 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 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

Enter your travel dates to find the best prices.

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 31 October 2025.

Mon 8/1207:50STN - BFS
Nonstop1h 20measyJet
Wed 10/1213:55BFS - STN
Nonstop1h 15measyJet
Deal found 29/10£35
Sun 7/1207:05LTN - BFS
Nonstop1h 20measyJet
Wed 10/1214:50BFS - LTN
Nonstop1h 10measyJet
Deal found 29/10£35
Wed 19/1107:50STN - BFS
Nonstop1h 20measyJet
Wed 26/1106:00BFS - STN
Nonstop1h 20measyJet
Deal found 29/10£36
Wed 19/1115:00LTN - BHD
Nonstop1h 15measyJet
Wed 26/1116:50BHD - LTN
Nonstop1h 10measyJet
Deal found 29/10£36
Wed 19/1107:00LTN - BFS
Nonstop1h 20measyJet
Wed 26/1121:00BFS - LTN
Nonstop1h 15measyJet
Deal found 29/10£36
Thu 27/1107:50STN - BFS
Nonstop1h 20measyJet
Thu 4/1206:00BFS - STN
Nonstop1h 20measyJet
Deal found 30/10£37
Sun 14/1207:05LTN - BFS
Nonstop1h 20measyJet
Sun 21/1220:55BFS - LTN
Nonstop1h 10measyJet
Deal found 30/10£37
Wed 26/1107:50STN - BFS
Nonstop1h 20measyJet
Wed 3/1206:00BFS - STN
Nonstop1h 20measyJet
Deal found 29/10£38
Mon 24/1108:00LTN - BHD
Nonstop1h 25measyJet
Thu 27/1120:00BHD - LTN
Nonstop1h 20measyJet
Deal found 29/10£38
Wed 26/1107:00LTN - BFS
Nonstop1h 20measyJet
Wed 3/1221:00BFS - LTN
Nonstop1h 15measyJet
Deal found 29/10£38
Sat 13/1206:10LGW - BFS
Nonstop1h 30measyJet
Wed 17/1206:30BFS - LGW
Nonstop1h 30measyJet
Deal found 29/10£39
Wed 19/1107:00LTN - BFS
Nonstop1h 20measyJet
Fri 21/1121:05BFS - LTN
Nonstop1h 10measyJet
Deal found 29/10£39

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 31 October 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

LTN - BFS

LTNBFS

London Luton

Sun 7/12

07:05-08:25

Nonstop1h 20m

Belfast Intl

Wed 10/12

14:50-16:00

Nonstop1h 10m

£35

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sat 13/12

07:30-08:50

Nonstop1h 20m

Belfast Intl

Sat 20/12

23:10-00:30

Nonstop1h 20m

£36

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Sat 29/11

07:00-08:20

Nonstop1h 20m

Belfast Intl

Mon 1/12

21:00-22:10

Nonstop1h 10m

£36

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Mon 24/11

07:00-08:20

Nonstop1h 20m

Belfast Intl

Thu 27/11

21:00-22:10

Nonstop1h 10m

£36

LondonBelfast

STN - BFS

STNBFS

London Stansted

Mon 29/12

06:05-07:25

Nonstop1h 20m

Belfast Intl

Thu 1/1

06:15-07:35

Nonstop1h 20m

£37

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Mon 15/12

07:00-08:20

Nonstop1h 20m

Belfast Intl

Mon 15/12

21:00-22:10

Nonstop1h 10m

£38

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Wed 19/11

07:00-08:20

Nonstop1h 20m

Belfast Intl

Fri 21/11

21:05-22:15

Nonstop1h 10m

£39

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Sun 7/12

07:25-08:55

Nonstop1h 30m

Belfast Intl

Wed 10/12

14:15-15:40

Nonstop1h 25m

£39

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Sun 14/12

07:25-08:55

Nonstop1h 30m

Belfast Intl

Sun 21/12

17:00-18:25

Nonstop1h 25m

£39

LondonBelfast

LGW - BHD

LGWBHD

London Gatwick

Fri 23/1

19:05-20:30

Nonstop1h 25m

Belfast City

Sun 25/1

07:25-08:55

Nonstop1h 30m

£39

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 60 results
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2
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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 £14). Flying from London to Northern Ireland in August is currently the most expensive (average of £40). 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 31 October 2025.

A simple way to save on the total cost of your ticket is to fly from London to Northern Ireland in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at midday.

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

Use this chart to determine the cheapest time to fly return from London to Northern Ireland. Price data was last updated on 16 December 2024.

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

Weekly flight availability from London to Northern Ireland

Explore weekly flight availability from London to Northern Ireland. 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 LON to GBNIR are scheduled on a Friday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 31 October 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
1,840 reviews
Check prices

Comfort

6.7

Boarding

6.7

Food

5.9

Overall

6.9

Entertainment

5.5

Crew

7.6

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
easyJet
6.9
Okay
1,840 reviews
easyJet
6.9
Okay
1,840 reviews
Check prices

Comfort

6.7

Boarding

6.7

Food

5.9

Overall

6.9

Entertainment

5.5

Crew

7.6

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.8
Okay
5,188 reviews
easyJet
6.9
Okay
1,840 reviews
Check prices

Comfort

6.7

Boarding

6.7

Food

5.9

Overall

6.9

Entertainment

5.5

Crew

7.6

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
British Airways
6.7
Okay
7,487 reviews
easyJet
6.9
Okay
1,840 reviews
Check prices

Comfort

6.7

Boarding

6.7

Food

5.9

Overall

6.9

Entertainment

5.5

Crew

7.6

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.3
Okay
easyJet
6.9
Okay
1,840 reviews
Check prices

Comfort

6.7

Boarding

6.7

Food

5.9

Overall

6.9

Entertainment

5.5

Crew

7.6

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .

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 308 mi. Most flights are nonstop.

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

    £23 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 £23 and £24, 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 Heathrow - Belfast Intl.

  • 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 £14). Flying from London to Northern Ireland in August is currently the most expensive (average of £40). 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

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Alternative routes for London to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£61FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£30Average£82FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£41Average£75FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£78Average£144FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£132Average£181FlexibilityNo 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.

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