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Cheap flights from Northern Ireland to London Southend Airport from £55

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SEN
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Southend

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Southend
Explore the most affordable flight options available from Northern Ireland to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 February 2026.

Wed 4/312:00
BFS
-
SEN
1 stop11h 05m
Multiple Airlines
Tue 10/320:20
SEN
-
BFS
2 stops15h 15m
Multiple Airlines
Deal found 1/2£132
Wed 4/312:00
BFS
-
SEN
1 stop11h 05m
Multiple Airlines
Sat 7/306:30
SEN
-
BFS
1 stop16h 05m
Multiple Airlines
Deal found 3/2£151
Mon 16/310:50
BFS
-
SEN
1 stop11h 15m
Multiple Airlines
Wed 18/307:15
SEN
-
BFS
2 stops14h 50m
Multiple Airlines
Deal found 3/2£158
Tue 17/206:50
BFS
-
SEN
1 stop7h 00m
Multiple Airlines
Tue 24/208:00
SEN
-
BFS
1 stop8h 15m
Multiple Airlines
Deal found 3/2£213
Tue 3/306:50
BFS
-
SEN
1 stop7h 00m
Multiple Airlines
Tue 10/308:00
SEN
-
BFS
1 stop8h 15m
Multiple Airlines
Deal found 3/2£219
Thu 7/505:45
BFS
-
SEN
1 stop7h 15m
Multiple Airlines
Thu 14/506:30
SEN
-
BFS
1 stop7h 30m
Multiple Airlines
Deal found 1/2£260
Sat 14/208:40
BFS
-
SEN
1 stop14h 15m
Multiple Airlines
Sat 21/213:25
SEN
-
BFS
1 stop11h 05m
Multiple Airlines
Deal found 1/2£297
Sun 15/215:45
BFS
-
SEN
1 stop5h 05m
easyJet
Wed 18/207:10
SEN
-
BFS
1 stop7h 15m
easyJet
Deal found 1/2£305
Tue 3/306:30
BHD
-
SEN
1 stop3h 50m
Multiple Airlines
Tue 10/307:35
SEN
-
BHD
1 stop9h 10m
Multiple Airlines
Deal found 3/2£308
Thu 2/405:45
BFS
-
SEN
1 stop7h 15m
Multiple Airlines
Fri 3/406:30
SEN
-
BFS
1 stop7h 40m
Multiple Airlines
Deal found 2/2£425
Mon 2/306:30
BHD
-
SEN
1 stop8h 20m
Multiple Airlines
Tue 3/307:35
SEN
-
BHD
1 stop9h 10m
Multiple Airlines
Deal found 3/2£441
Wed 29/409:50
BHD
-
SEN
1 stop9h 50m
Multiple Airlines
Thu 30/413:55
SEN
-
BHD
3 stops22h 00m
Multiple Airlines
Deal found 4/2£566

Find flight deals from Northern Ireland to Southend

Keep the following information in mind while searching for Northern Ireland to Southend flight deals. Data was last updated 4 February 2026.

Round-trip from

£132

One-way from

£55

Popular in

June

Cheapest in

March

Average price

£51
4/3-10/3
  • 4/3-10/3
  • 3 total stops
  • 26h 20m total
  • Northern Ireland to London
Search Deals
19/4
  • 19/4
  • 1 total stop
  • 10h 35m total
  • Northern Ireland to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Southend 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, Cheapflights users made 858,174 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from Northern Ireland to London Southend Airport that are best for you.

Fly from

Northern Ireland

Fly to

Southend

Route

Depart

Return

Price

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 4/3

12:00-23:05

1 stop11h 05m

London Southend

Tue 10/3

20:20-11:35

2 stops15h 15m

£132

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 4/3

12:00-23:05

1 stop11h 05m

London Southend

Sat 7/3

06:30-22:35

1 stop16h 05m

£151

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Mon 16/3

10:50-22:05

1 stop11h 15m

London Southend

Wed 18/3

07:15-22:05

2 stops14h 50m

£158

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Tue 17/2

06:50-13:50

1 stop7h 00m

London Southend

Tue 24/2

08:00-16:15

1 stop8h 15m

£213

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Tue 3/3

06:50-13:50

1 stop7h 00m

London Southend

Tue 10/3

08:00-16:15

1 stop8h 15m

£219

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Thu 7/5

05:45-13:00

1 stop7h 15m

London Southend

Thu 14/5

06:30-14:00

1 stop7h 30m

£260

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sat 14/2

08:40-22:55

1 stop14h 15m

London Southend

Sat 21/2

13:25-00:30

1 stop11h 05m

£297

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 15/2

15:45-20:50

1 stop5h 05m

London Southend

Wed 18/2

07:10-14:25

1 stop7h 15m

£305

BelfastLondon

BHD - SEN

BHDSEN

Belfast City

Tue 3/3

06:30-10:20

1 stop3h 50m

London Southend

Tue 10/3

07:35-16:45

1 stop9h 10m

£308

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Thu 2/4

05:45-13:00

1 stop7h 15m

London Southend

Fri 3/4

06:30-14:10

1 stop7h 40m

£425

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 31 results
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Best time to book a flight from Northern Ireland to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Northern Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to London Southend Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Southend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Northern Ireland to Southend that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Southend flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Southend?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Southend.

  • Can I find deals for business class flights from Northern Ireland to Southend?

    Yes. Cheapflights offers flight deals from Northern Ireland to Southend by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Travelling to a place near London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Southend

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Northern Ireland to Southend?

Cheapflights helps you search for flights from Northern Ireland to Southend via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Southend?

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 Northern Ireland to Southend.

Can Cheapflights find flights from Northern Ireland to Southend with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Southend, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Northern Ireland to Southend become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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