Cheap flights from Northern Ireland to London from £19

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to London departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
20:50 - 22:15
BFS
-
LGW
1h 25mdirect
easyJet Logo
06:10 - 07:40
LGW
-
BFS
1h 30mdirect
£39easyJet
Wed, 14 Jan - Sat, 17 Jan
easyJet Logo
19:35 - 20:50
BHD
-
LGW
1h 15mdirect
easyJet Logo
12:10 - 13:35
LGW
-
BHD
1h 25mdirect
£39easyJet
Thu, 26 Feb - Sat, 28 Feb
easyJet Logo
06:00 - 07:20
BFS
-
STN
1h 20mdirect
easyJet Logo
07:50 - 09:10
STN
-
BFS
1h 20mdirect
£39easyJet
Fri, 9 Jan - Thu, 15 Jan
easyJet Logo
20:55 - 22:20
BFS
-
LGW
1h 25mdirect
easyJet Logo
08:35 - 10:05
LGW
-
BFS
1h 30mdirect
£40easyJet
Mon, 26 Jan - Wed, 28 Jan
Ryanair Logo
23:10 - 00:30
BFS
-
STN
1h 20mdirect
Ryanair Logo
21:25 - 22:45
STN
-
BFS
1h 20mdirect
£41Ryanair
Sat, 24 Jan - Sat, 31 Jan
Multiple Airlines Logo
05:45 - 07:05
BFS
-
STN
1h 20mdirect
Multiple Airlines Logo
12:45 - 14:05
STN
-
BFS
1h 20mdirect
£50Multiple Airlines
Sun, 25 Jan - Sun, 25 Jan
Ryanair Logo
05:45 - 07:05
BFS
-
STN
1h 20mdirect
Ryanair Logo
20:35 - 21:55
STN
-
BFS
1h 20mdirect
£52Ryanair
Sat, 7 Feb - Mon, 16 Feb
British Airways Logo
06:35 - 08:10
BHD
-
LHR
1h 35mdirect
British Airways Logo
08:50 - 10:15
LHR
-
BHD
1h 25mdirect
£86British Airways
Sat, 28 Feb - Thu, 19 Mar
British Airways Logo
06:35 - 08:10
BHD
-
LHR
1h 35mdirect
British Airways Logo
06:50 - 08:15
LHR
-
BHD
1h 25mdirect
£88British Airways
Mon, 2 Mar - Thu, 12 Mar
Multiple Airlines Logo
20:50 - 08:55
BFS
-
LHR
12h 05m1 stop
Multiple Airlines Logo
09:50 - 19:00
LHR
-
BFS
9h 10m1 stop
£173Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb

British Airways flights from Northern Ireland to London

Our best British Airways deals on Northern Ireland to London flight tickets
British Airways
28 Feb
BHD06:35Belfast City
1h 35m
LHR08:10London Heathrow
19 Mar
LHR08:50London Heathrow
1h 25m
BHD10:15Belfast City
British Airways
2 Mar
BHD06:35Belfast City
1h 35m
LHR08:10London Heathrow
12 Mar
LHR06:50London Heathrow
1h 25m
BHD08:15Belfast City
British Airways
6 Jun
BHD19:00Belfast City
1h 20m
LHR20:20London Heathrow
7 Jun
LHR08:50London Heathrow
1h 20m
BHD10:10Belfast City

easyJet flights from Northern Ireland to London

Our best easyJet deals on Northern Ireland to London flight tickets
easyJet
14 Jan
BFS20:50Belfast Intl
1h 25m
LGW22:15London Gatwick
17 Jan
LGW06:10London Gatwick
1h 30m
BFS07:40Belfast Intl
easyJet
26 Jan
BFS20:55Belfast Intl
1h 25m
LGW22:20London Gatwick
28 Jan
LGW08:35London Gatwick
1h 30m
BFS10:05Belfast Intl
easyJet
15 Jan
BFS06:30Belfast Intl
1h 30m
LGW08:00London Gatwick
18 Jan
LGW07:25London Gatwick
1h 30m
BFS08:55Belfast Intl

momondo 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, momondo users made 279,928 searches. Data last updated 28 December 2025.
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

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Wed 14/1

20:50-22:15

Nonstop1h 25m

London Gatwick

Sat 17/1

06:10-07:40

Nonstop1h 30m

£39

BelfastLondon

BHD - LGW

BHDLGW

Belfast City

Thu 26/2

19:35-20:50

Nonstop1h 15m

London Gatwick

Sat 28/2

12:10-13:35

Nonstop1h 25m

£39

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 9/1

06:00-07:20

Nonstop1h 20m

London Stansted

Thu 15/1

07:50-09:10

Nonstop1h 20m

£39

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Mon 26/1

20:55-22:20

Nonstop1h 25m

London Gatwick

Wed 28/1

08:35-10:05

Nonstop1h 30m

£40

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 24/1

23:10-00:30

Nonstop1h 20m

London Stansted

Sat 31/1

21:25-22:45

Nonstop1h 20m

£41

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sun 25/1

05:45-07:05

Nonstop1h 20m

London Stansted

Sun 25/1

12:45-14:05

Nonstop1h 20m

£50

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 7/2

05:45-07:05

Nonstop1h 20m

London Stansted

Mon 16/2

20:35-21:55

Nonstop1h 20m

£52

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sat 28/2

06:35-08:10

Nonstop1h 35m

London Heathrow

Thu 19/3

08:50-10:15

Nonstop1h 25m

£86

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Mon 2/3

06:35-08:10

Nonstop1h 35m

London Heathrow

Thu 12/3

06:50-08:15

Nonstop1h 25m

£88

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Mon 9/2

20:50-08:55

1 stop12h 05m

London Heathrow

Mon 16/2

09:50-19:00

1 stop9h 10m

£173

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Northern Ireland to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

The cheapest month to fly to London from Northern Ireland is in January. Flight prices, which tend to average around £43, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Northern Ireland averaging around £44.

What is the cheapest day to depart on your flight to London?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £68. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Northern Ireland to London for around £82.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £105. Flights in the afternoon are often more expensive, with an average ticket price of £563.

What is the cheapest Northern Ireland to London flight route?

Fly from Belfast Intl to London Luton for the best Northern Ireland - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Northern Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £122 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Northern Ireland for as low as £95 on momondo.

What cabin class options are available on Northern Ireland to London flights?

There are 3 cabin classes available to choose from on Northern Ireland to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Northern Ireland to London flights?

No. A direct flight is the cheapest option for a flight between Northern Ireland to London.

Cheap Northern Ireland to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to London

Best price found

£18

Fastest flight time

1h 10m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Northern Ireland in the past 72 hours is £18. The best return flight deal from Northern Ireland to London found on momondo in the last 72 hours is £31.
The fastest flight from Northern Ireland to London takes 1h 10m
Direct flights go from Northern Ireland to London every day.
There are 6 airports in London. From Northern Ireland there are direct flights to London Luton (LTN).
  • When did momondo last update prices for flights from Northern Ireland to London?

    Prices for flights from Northern Ireland to London are updated daily.

  • How many operators does momondo search for flights from Northern Ireland to London?

  • How old do you have to be to fly from Northern Ireland to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Northern Ireland to London?

Best airlines flying from Northern Ireland to London

Compare and see reviews for airlines that fly from Northern Ireland to London with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £26Free CancellationRating
6.4
122 reviews
Search Ryanair flights
easyJetPriceFrom £27Free CancellationRating
6.9
1,854 reviews
Search easyJet flights
RyanairPriceFrom £48Free CancellationRating
6.8
5,231 reviews
Search Ryanair flights
British AirwaysPriceFrom £78Free CancellationRating
6.7
7,617 reviews
Search British Airways flights
LoganairPriceFrom £133Free CancellationRating
0.0
0 reviews
Search Loganair flights
Aer LingusPriceFrom £172Free CancellationRating
7.2
1,413 reviews
Search Aer Lingus flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Hounslow
Bedford
Colchester
Ramsgate
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to London for you.

Can I find flights from Northern Ireland to London with flexible booking policies on momondo?

Yes. All flights to London from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Northern Ireland to London?

Once you have performed a search for Northern Ireland to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Northern Ireland to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Northern Ireland to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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1 adult
Tue 27/1
Tue 3/2

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London