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Cheap flights from Belfast 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 Belfast to London departing on 20/12. 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.
easyJet Logo
20:55 - 22:20
BFS
-
LGW
1h 25mdirect
easyJet Logo
08:35 - 10:05
LGW
-
BFS
1h 30mdirect
£40easyJet
Tue, 13 Jan - Wed, 14 Jan
easyJet Logo
20:05 - 21:20
BHD
-
LGW
1h 15mdirect
easyJet Logo
18:10 - 19:35
LGW
-
BHD
1h 25mdirect
£40easyJet
Fri, 23 Jan - Fri, 27 Feb
Ryanair Logo
22:45 - 00:05
BFS
-
STN
1h 20mdirect
Ryanair Logo
21:00 - 22:20
STN
-
BFS
1h 20mdirect
£41Ryanair
Sun, 25 Jan - Sun, 1 Feb
easyJet Logo
13:10 - 14:20
BFS
-
LTN
1h 10mdirect
easyJet Logo
08:20 - 09:40
LTN
-
BFS
1h 20mdirect
£41easyJet
Sat, 10 Jan - Mon, 12 Jan
easyJet Logo
09:25 - 10:55
BFS
-
LGW
1h 30mdirect
easyJet Logo
07:25 - 08:55
LGW
-
BFS
1h 30mdirect
£41easyJet
Sun, 25 Jan - Sun, 1 Feb
Ryanair Logo
07:40 - 09:00
BFS
-
STN
1h 20mdirect
Ryanair Logo
19:45 - 21:05
STN
-
BFS
1h 20mdirect
£47Ryanair
Wed, 24 Dec - Fri, 26 Dec
British Airways Logo
09:05 - 10:35
BHD
-
LHR
1h 30mdirect
British Airways Logo
07:45 - 09:10
LHR
-
BHD
1h 25mdirect
£84British Airways
Thu, 19 Mar - Sun, 22 Mar
British Airways Logo
06:30 - 08:05
BHD
-
LHR
1h 35mdirect
British Airways Logo
06:05 - 07:30
LHR
-
BHD
1h 25mdirect
£87British Airways
Sun, 1 Feb - Fri, 6 Feb
Multiple Airlines Logo
11:25 - 21:15
BHD
-
STN
9h 50m1 stop
Multiple Airlines Logo
09:05 - 16:40
STN
-
BHD
7h 35m1 stop
£108Multiple Airlines
Wed, 28 Jan - Fri, 6 Feb
Multiple Airlines Logo
11:25 - 21:15
BHD
-
STN
9h 50m1 stop
Multiple Airlines Logo
08:35 - 17:25
STN
-
BHD
8h 50m1 stop
£112Multiple Airlines
Wed, 11 Mar - Fri, 20 Mar

British Airways flights from Belfast to Brighton

Our best British Airways deals on Belfast to Brighton flight tickets
British Airways
19 Mar
BHD09:05Belfast City
1h 30m
LHR10:35London Heathrow
22 Mar
LHR07:45London Heathrow
1h 25m
BHD09:10Belfast City
£84
Find similar
British Airways
1 Feb
BHD06:30Belfast City
1h 35m
LHR08:05London Heathrow
6 Feb
LHR06:05London Heathrow
1h 25m
BHD07:30Belfast City
£87
Find similar
British Airways
28 Jan
BHD15:40Belfast City
1h 25m
LHR17:05London Heathrow
6 Feb
LHR06:05London Heathrow
1h 25m
BHD07:30Belfast City
£88
Find similar

KLM flights from Belfast to Brighton

Our best KLM deals on Belfast to Brighton flight tickets
KLM
11 Mar
BHD06:30Belfast City
10h 05m
1 stop
LCY16:35London City
18 Mar
LCY09:20London City
7h 30m
1 stop
BHD16:50Belfast City
£201
Find similar
KLM
24 Dec
BHD06:30Belfast City
10h 30m
1 stop
LHR17:00London Heathrow
31 Dec
LHR17:05London Heathrow
3h 55m
1 stop
BHD21:00Belfast City
£205
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast 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 12 December 2025.
Use the filters below to find and compare flights from Belfast to Brighton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Tue 13/1

20:55-22:20

Nonstop1h 25m

London Gatwick

Wed 14/1

08:35-10:05

Nonstop1h 30m

£40

BelfastLondon

BHD - LGW

BHDLGW

Belfast City

Fri 23/1

20:05-21:20

Nonstop1h 15m

London Gatwick

Fri 27/2

18:10-19:35

Nonstop1h 25m

£40

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sun 25/1

22:45-00:05

Nonstop1h 20m

London Stansted

Sun 1/2

21:00-22:20

Nonstop1h 20m

£41

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 10/1

13:10-14:20

Nonstop1h 10m

London Luton

Mon 12/1

08:20-09:40

Nonstop1h 20m

£41

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Sun 25/1

09:25-10:55

Nonstop1h 30m

London Gatwick

Sun 1/2

07:25-08:55

Nonstop1h 30m

£41

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Wed 24/12

07:40-09:00

Nonstop1h 20m

London Stansted

Fri 26/12

19:45-21:05

Nonstop1h 20m

£47

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 19/3

09:05-10:35

Nonstop1h 30m

London Heathrow

Sun 22/3

07:45-09:10

Nonstop1h 25m

£84

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 1/2

06:30-08:05

Nonstop1h 35m

London Heathrow

Fri 6/2

06:05-07:30

Nonstop1h 25m

£87

BelfastLondon

BHD - STN

BHDSTN

Belfast City

Wed 28/1

11:25-21:15

1 stop9h 50m

London Stansted

Fri 6/2

09:05-16:40

1 stop7h 35m

£108

BelfastLondon

BHD - STN

BHDSTN

Belfast City

Wed 11/3

11:25-21:15

1 stop9h 50m

London Stansted

Fri 20/3

08:35-17:25

1 stop8h 50m

£112

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 Belfast 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 typical price of a round-trip flight between Belfast and Brighton?

What is the cheapest month to fly to Brighton?

If you aren’t able to travel to Brighton during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £44.

What is the cheapest Belfast to Brighton flight route?

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

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

You are more likely to see cheaper flights to Brighton from Belfast when booking weeks ahead of your departure date. In general, you can expect to find flights to Brighton 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 Brighton from Belfast for as low as £96 on momondo.

What cabin class options are available on Belfast to Brighton flights?

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

Cheap Belfast to Brighton flight deals and tips

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

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Brighton

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

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

    Prices for flights from Belfast to Brighton refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast 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.

Best airlines flying from Belfast to Brighton

Compare and see reviews for airlines that fly from Belfast to Brighton with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £26Free CancellationRating
6.3
117 reviews
Search Ryanair flights
easyJetPriceFrom £28Free CancellationRating
6.9
1,850 reviews
Search easyJet flights
RyanairPriceFrom £48Free CancellationRating
6.8
5,218 reviews
Search Ryanair flights
Aer LingusPriceFrom £72Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £79Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
LoganairPriceFrom £134Free CancellationRating
0.0
0 reviews
Search Loganair flights

Why use momondo?

Why should I use momondo to find a flight deal from Belfast 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 Belfast to Brighton for you.

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

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

How can momondo help me find flights from Belfast 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 Belfast to Brighton.

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

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

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