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Cheap flights from Northern Ireland to London from £54

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 5/11. 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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0 bags
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Find the cheapest flights from Northern Ireland to London

Cheap return flights

Logo
10:00 - 21:00BFS-SEN
11h 00m1 stop
Logo
11:30 - 22:30SEN-BFS
11h 00m1 stop
£124
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Logo
16:25 - 09:00BFS-SEN
16h 35m1 stop
Logo
17:30 - 09:00SEN-BFS
15h 30m1 stop
£143
Find Deal
Fri, 19 Sep - Sun, 21 Sep
Logo
20:35 - 09:00BFS-SEN
12h 25m1 stop
Logo
17:30 - 09:00SEN-BFS
15h 30m1 stop
£166
Find Deal
Fri, 19 Sep - Sun, 21 Sep
Logo
14:55 - 22:20BFS-SEN
7h 25m1 stop
Logo
15:40 - 09:00SEN-BFS
17h 20m1 stop
£227
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Logo
15:25 - 23:00BFS-SEN
7h 35m1 stop
Logo
17:30 - 09:00SEN-BFS
15h 30m1 stop
£234
Find Deal
Sat, 27 Sep - Sun, 28 Sep
Logo
15:25 - 23:00BFS-SEN
7h 35m1 stop
Logo
06:30 - 13:45SEN-BFS
7h 15m1 stop
£272
Find Deal
Sat, 20 Sep - Mon, 22 Sep
Logo
14:55 - 22:20BFS-SEN
7h 25m1 stop
Logo
15:40 - 09:00SEN-BFS
17h 20m1 stop
£279
Find Deal
Wed, 1 Oct - Wed, 8 Oct
easyJet Logo
15:45 - 20:50BFS-SEN
5h 05m1 stop
easyJet Logo
07:25 - 23:20SEN-BFS
15h 55m1 stop
£305easyJet
Find Deal
Sun, 16 Nov - Mon, 15 Dec
Logo
06:30 - 16:40BHD-SEN
10h 10m1 stop
Logo
16:55 - 21:15SEN-BHD
4h 20m1 stop
£341
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Logo
06:30 - 16:40BHD-SEN
10h 10m1 stop
Logo
16:55 - 21:15SEN-BHD
4h 20m1 stop
£387
Find Deal
Thu, 25 Sep - Sun, 28 Sep

easyJet flights from Northern Ireland to London Southend Airport

Our best easyJet deals on Northern Ireland to London Southend Airport flight tickets
easyJet
11 Sept
BFS21:05Belfast Intl
16h 00m
1 stop
SEN13:05London Southend
13 Sept
SEN09:30London Southend
14h 25m
1 stop
BFS23:55Belfast Intl
£270
Find similar
easyJet
16 Nov
BFS15:45Belfast Intl
5h 05m
1 stop
SEN20:50London Southend
15 Dec
SEN07:25London Southend
15h 55m
1 stop
BFS23:20Belfast Intl
£305
Find similar
easyJet
11 Sept
BFS21:05Belfast Intl
16h 00m
1 stop
SEN13:05London Southend
13 Sept
SEN09:30London Southend
14h 25m
1 stop
BFS23:55Belfast Intl
£510
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to London Southend Airport 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 9 September 2025.
Use the filters below to find and compare flights from Northern Ireland to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Fri 21/11

10:00-21:00

1 stop11h 00m

London Southend

Sun 23/11

11:30-22:30

1 stop11h 00m

£124

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Fri 19/9

16:25-09:00

1 stop16h 35m

London Southend

Sun 21/9

17:30-09:00

1 stop15h 30m

£143

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Fri 19/9

20:35-09:00

1 stop12h 25m

London Southend

Sun 21/9

17:30-09:00

1 stop15h 30m

£166

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 8/10

14:55-22:20

1 stop7h 25m

London Southend

Wed 15/10

15:40-09:00

1 stop17h 20m

£227

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sat 27/9

15:25-23:00

1 stop7h 35m

London Southend

Sun 28/9

17:30-09:00

1 stop15h 30m

£234

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sat 20/9

15:25-23:00

1 stop7h 35m

London Southend

Mon 22/9

06:30-13:45

1 stop7h 15m

£272

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 1/10

14:55-22:20

1 stop7h 25m

London Southend

Wed 8/10

15:40-09:00

1 stop17h 20m

£279

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 16/11

15:45-20:50

1 stop5h 05m

London Southend

Mon 15/12

07:25-23:20

1 stop15h 55m

£305

BelfastLondon

BHD - SEN

BHDSEN

Belfast City

Thu 2/10

06:30-16:40

1 stop10h 10m

London Southend

Mon 6/10

16:55-21:15

1 stop4h 20m

£341

BelfastLondon

BHD - SEN

BHDSEN

Belfast City

Thu 25/9

06:30-16:40

1 stop10h 10m

London Southend

Sun 28/9

16:55-21:15

1 stop4h 20m

£387

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 London Southend Airport

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 airline that flies from Northern Ireland to London Southend?

easyJet is the most popular carrier operating from Northern Ireland to London Southend

Cheap Northern Ireland to London Southend Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Northern Ireland to London Southend Airport. There are no popular flight routes from Northern Ireland to London Southend Airport.
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  • When did momondo last update prices for flights from Northern Ireland to London Southend Airport?

    Prices for flights from Northern Ireland to London Southend Airport refresh daily.

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

    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 Southend Airport.

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

    The travel and health documents required for your trip to London Southend Airport 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 Southend Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to London . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Northern Ireland to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to London from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to London from Northern Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Southend Airport trip

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