Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Northern Ireland from £33

LON — BFS
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from London to Northern Ireland

Thu 5/1112:10 -
Nonstop1h 20m
Sun 8/1107:00 -
Nonstop1h 20m
Deal found 22/9£43
Fri 6/1107:00 -
Nonstop1h 20m
Mon 9/1121:00 -
Nonstop1h 10m
Deal found 22/9£43
Fri 30/1008:00 -
Nonstop1h 20m
Tue 3/1108:20 -
Nonstop1h 20m
Deal found 21/9£44
Tue 20/1006:15 -
Nonstop1h 20m
Thu 22/1015:25 -
Nonstop1h 10m
Deal found 22/9£44
Thu 15/1011:00 -
Nonstop1h 20m
Sun 18/1007:00 -
Nonstop1h 10m
Deal found 21/9£44
Sat 26/909:25 -
Nonstop1h 20m
Fri 2/1007:35 -
Nonstop1h 20m
Deal found 19/9£45
Thu 8/1013:55 -
Nonstop1h 20m
Mon 12/1010:00 -
Nonstop1h 10m
Deal found 19/9£45
Fri 2/1009:20 -
Nonstop1h 20m
Mon 5/1009:15 -
Nonstop1h 20m
Deal found 19/9£46
Mon 19/1009:55 -
Nonstop1h 20m
Mon 2/1119:20 -
Nonstop1h 10m
Deal found 21/9£46
Tue 13/1012:30 -
Nonstop1h 20m
Thu 15/1020:05 -
Nonstop1h 15m
Deal found 17/9£46
Thu 8/1013:40 -
Nonstop1h 15m
Tue 13/1008:05 -
Nonstop1h 10m
Deal found 20/9£46
Thu 8/1007:10 -
Nonstop1h 20m
Tue 13/1019:20 -
Nonstop1h 10m
Deal found 20/9£46

Find flight deals from London to Northern Ireland

Round-trip from

£43

One-way from

£33

Popular in

July

Cheapest in

January

Average price

£67

Good round-trip deal

£42 or less

Good one-way deal

£32 or less
easyJet
  • easyJet
  • 5/11-8/11
  • Nonstop
  • 2h 40m total
  • London to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 25/10-31/12
  • Nonstop
  • 1h 30m total
  • London to Northern Ireland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBelfast

LGW London Gatwick - BFS Belfast Intl

LGWBFS

London Gatwick

Sun 25/10

07:25-08:55

Nonstop1h 30m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£33

LondonBelfast

LGW London Gatwick - BFS Belfast Intl

LGWBFS

London Gatwick

Fri 2/10

06:25-07:55

Nonstop1h 30m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£35

LondonBelfast

LGW London Gatwick - BFS Belfast Intl

LGWBFS

London Gatwick

Sat 3/10

08:25-09:55

Nonstop1h 30m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£35
Fastest return journey

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Wed 30/9

22:05-23:20

Nonstop1h 15m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£35

LondonBelfast

LGW London Gatwick - BFS Belfast Intl

LGWBFS

London Gatwick

Wed 20/1

08:35-10:05

Nonstop1h 30m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonBelfast

LGW London Gatwick - BHD Belfast City

LGWBHD

London Gatwick

Sat 3/10

08:35-10:00

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Sat 28/11

11:50-13:10

Nonstop1h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonBelfast

LTN London Luton - BHD Belfast City

LTNBHD

London Luton

Mon 4/1

17:45-19:00

Nonstop1h 15m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Thu 28/1

07:00-08:20

Nonstop1h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Tue 26/1

07:00-08:20

Nonstop1h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 60 resultsSorted by cheapest first
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

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 £63). Flying from London to Northern Ireland in July is currently the most expensive (average of £125). 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?

A simple way to save on the total cost of your ticket is to fly from London to Northern Ireland in the morning. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight at midday.

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

Airfare is below average for this route at the moment.
London to Northern Ireland flights typically cost between £49 and £108 in November.
The cheapest return price found within the last 5 days was £43 on easyJet (5 Nov–8 Nov).

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

The price you pay for your flight from London to Northern Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

Reviews of airlines servicing Northern Ireland

See what other customers who have flown with easyJet,British Airways, andRyanair 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
1,930 reviews
Check prices

Entertainment

5.5

Crew

7.7

Overall

6.9

Boarding

6.7

Food

5.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
easyJet
6.9
Okay
1,930 reviews
easyJet
6.9
Okay
1,930 reviews
Check prices

Entertainment

5.5

Crew

7.7

Overall

6.9

Boarding

6.7

Food

5.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
British Airways
6.7
Okay
8,227 reviews
easyJet
6.9
Okay
1,930 reviews
Check prices

Entertainment

5.5

Crew

7.7

Overall

6.9

Boarding

6.7

Food

5.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
Ryanair
6.5
Okay
easyJet
6.9
Okay
1,930 reviews
Check prices

Entertainment

5.5

Crew

7.7

Overall

6.9

Boarding

6.7

Food

5.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.

Related info for your journey

  • 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?

    £15 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 British Airways, with prices starting from £23 and £45, 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 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 £63). Flying from London to Northern Ireland in July is currently the most expensive (average of £125). 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

Alternative routes for London to Northern Ireland

Stansted to Edinburgh flights
Gatwick to Edinburgh flights
Luton to Edinburgh flights
Heathrow to Edinburgh flights
Gatwick to Belfast Intl flights
Edinburgh to Gatwick flights
Gatwick to Glasgow Intl flights
Edinburgh to Stansted flights
Luton to Glasgow Intl flights
London City to Edinburgh flights
Edinburgh to Luton flights
Heathrow to Glasgow Intl flights
Stansted to Glasgow Intl flights
Luton to Belfast Intl flights
Manchester to Belfast Intl flights
Edinburgh to Heathrow flights
London City to Manchester flights
Gatwick to Manchester flights
Stansted to Manchester flights
Luton to Manchester flights
Southampton to Edinburgh flights
Manchester to Gatwick flights
Manchester to Stansted flights
Manchester to Luton flights
Heathrow to Belfast City flights
Manchester to London City flights
Southend to Manchester flights
Gatwick to Belfast City flights
Edinburgh to Glasgow Intl flights
Edinburgh to London City flights
Edinburgh to Belfast Intl flights
Manchester to Belfast City flights
Birmingham to Belfast Intl flights
London City to Belfast City flights
London City to Belfast Intl flights
London City to Glasgow Intl flights
Heathrow to Belfast Intl flights
Stansted to Belfast City flights
Manchester to Southend flights
Heathrow to Manchester flights
Manchester to Heathrow flights
Gatwick to Newcastle upon Tyne flights
Birmingham to Edinburgh flights
Stansted to Newcastle upon Tyne flights
Luton to Newcastle upon Tyne flights
London City to Newquay flights
Bristol to Edinburgh flights
Stansted to Newquay flights
Newcastle upon Tyne to London City flights
Newcastle upon Tyne to Stansted flights

Top 4 airlines flying from London to Northern Ireland

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£14Average£82FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£19Average£58FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£93Average£182FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£142Average£250FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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.