Cheap flights from Northern Ireland to London from £18

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 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
11:10 - 12:30
BFS
-
STN
1h 20mdirect
Ryanair Logo
20:35 - 21:55
STN
-
BFS
1h 20mdirect
£44Ryanair
Sat, 6 Jun - Mon, 8 Jun
easyJet Logo
15:55 - 17:05
BFS
-
LTN
1h 10mdirect
easyJet Logo
22:05 - 23:20
LTN
-
BFS
1h 15mdirect
£45easyJet
Thu, 4 Jun - Wed, 17 Jun
Ryanair Logo
19:55 - 21:15
BFS
-
STN
1h 20mdirect
Ryanair Logo
21:40 - 23:00
STN
-
BFS
1h 20mdirect
£45Ryanair
Fri, 12 Jun - Fri, 19 Jun
easyJet Logo
15:55 - 17:05
BFS
-
LTN
1h 10mdirect
easyJet Logo
21:55 - 23:10
LTN
-
BFS
1h 15mdirect
£46easyJet
Thu, 4 Jun - Mon, 8 Jun
easyJet Logo
20:25 - 21:40
BFS
-
STN
1h 15mdirect
easyJet Logo
22:10 - 23:25
STN
-
BFS
1h 15mdirect
£46easyJet
Fri, 17 Jul - Sun, 26 Jul
easyJet Logo
15:55 - 17:05
BFS
-
LTN
1h 10mdirect
easyJet Logo
13:00 - 14:20
LTN
-
BFS
1h 20mdirect
£47easyJet
Thu, 4 Jun - Tue, 16 Jun
easyJet Logo
20:25 - 21:40
BFS
-
STN
1h 15mdirect
easyJet Logo
22:10 - 23:25
STN
-
BFS
1h 15mdirect
£47easyJet
Fri, 12 Jun - Fri, 19 Jun
easyJet Logo
22:30 - 23:45
BFS
-
LTN
1h 15mdirect
easyJet Logo
07:10 - 08:30
LTN
-
BFS
1h 20mdirect
£47easyJet
Tue, 16 Jun - Thu, 18 Jun
British Airways Logo
06:30 - 07:55
BHD
-
LHR
1h 25mdirect
British Airways Logo
06:15 - 07:35
LHR
-
BHD
1h 20mdirect
£108British Airways
Sun, 27 Sep - Tue, 29 Sep
British Airways Logo
17:45 - 19:05
BHD
-
LHR
1h 20mdirect
British Airways Logo
10:05 - 11:30
LHR
-
BHD
1h 25mdirect
£109British Airways
Mon, 9 Nov - Wed, 11 Nov

British Airways flights from Northern Ireland to Brighton

Our best British Airways deals on Northern Ireland to Brighton flight tickets
British Airways
10 Jul
BHD19:35Belfast City
1h 15m
LHR20:50London Heathrow
13 Jul
LHR17:20London Heathrow
1h 25m
BHD18:45Belfast City
£93
British Airways
27 Sept
BHD06:30Belfast City
1h 25m
LHR07:55London Heathrow
29 Sept
LHR06:15London Heathrow
1h 20m
BHD07:35Belfast City
£108
British Airways
9 Nov
BHD17:45Belfast City
1h 20m
LHR19:05London Heathrow
11 Nov
LHR10:05London Heathrow
1h 25m
BHD11:30Belfast City
£109

KLM flights from Northern Ireland to Brighton

Our best KLM deals on Northern Ireland to Brighton flight tickets
KLM
5 Nov
BHD09:40Belfast City
9h 55m
1 stop
LCY19:35London City
27 Nov
LCY20:05London City
13h 05m
1 stop
BHD09:10Belfast City
£210
KLM
25 May
BHD09:50Belfast City
11h 05m
1 stop
LHR20:55London Heathrow
28 May
LHR20:55London Heathrow
12h 25m
1 stop
BHD09:20Belfast City
£247

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Brighton 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 13 May 2026.
Use the filters below to find and compare flights from Northern Ireland to Brighton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 6/6

11:10-12:30

Nonstop1h 20m

London Stansted

Mon 8/6

20:35-21:55

Nonstop1h 20m

£44
Fastest return journey

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 4/6

15:55-17:05

Nonstop1h 10m

London Luton

Wed 17/6

22:05-23:20

Nonstop1h 15m

£45

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 12/6

19:55-21:15

Nonstop1h 20m

London Stansted

Fri 19/6

21:40-23:00

Nonstop1h 20m

£45

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 4/6

15:55-17:05

Nonstop1h 10m

London Luton

Mon 8/6

21:55-23:10

Nonstop1h 15m

£46

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 17/7

20:25-21:40

Nonstop1h 15m

London Stansted

Sun 26/7

22:10-23:25

Nonstop1h 15m

£46

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 4/6

15:55-17:05

Nonstop1h 10m

London Luton

Tue 16/6

13:00-14:20

Nonstop1h 20m

£47

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 12/6

20:25-21:40

Nonstop1h 15m

London Stansted

Fri 19/6

22:10-23:25

Nonstop1h 15m

£47

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Tue 16/6

22:30-23:45

Nonstop1h 15m

London Luton

Thu 18/6

07:10-08:30

Nonstop1h 20m

£47

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 27/9

06:30-07:55

Nonstop1h 25m

London Heathrow

Tue 29/9

06:15-07:35

Nonstop1h 20m

£108

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Mon 9/11

17:45-19:05

Nonstop1h 20m

London Heathrow

Wed 11/11

10:05-11:30

Nonstop1h 25m

£109

Flights are sorted by cheapest return flights first.

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

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

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 Northern Ireland to Brighton flight route?

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

How far in advance should I book a flight from Northern Ireland to Brighton?

You are more likely to see cheaper flights to Brighton from Northern Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Brighton for around £133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brighton from Northern Ireland for as low as £101 on momondo.

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

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

Cheap Northern Ireland to Brighton flight deals and tips

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

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Brighton

6 airports
The fastest flight from Northern Ireland to Brighton takes 1h 10m
Direct flights go from Northern Ireland to Brighton every day.
There are 6 airports in Brighton. From Northern Ireland there are direct flights to London Luton (LTN).

Frequently asked questions about flying from Northern Ireland to Brighton

  • When did momondo last update prices for flights from Northern Ireland to Brighton?

    Prices for flights from Northern Ireland to Brighton were last updated today.

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

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

    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 Brighton.

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

    The travel and health documents you'll need for your trip to Brighton may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brighton. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Northern Ireland to Brighton

Compare and see reviews for airlines that fly from Northern Ireland to Brighton with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £19Free CancellationRating
6.5
129 reviews
Search Ryanair flights
easyJetPriceFrom £19Free CancellationRating
6.9
1,902 reviews
Search easyJet flights
Aer LingusPriceFrom £79Free CancellationRating
7.3
1,561 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £85Free CancellationRating
6.7
7,978 reviews
Search British Airways flights
LoganairPriceFrom £139Free CancellationRating
0.0
0 reviews
Search Loganair flights

Why use momondo?

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

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 Brighton for you.

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

momondo does allow users to show only those flights to Brighton from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Brighton.

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

Yes. momondo can track prices for Northern Ireland to Brighton flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Fri 12/6
Fri 19/6

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Popular flights according to clicks in the last 7 days on momondo