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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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SEN
9 Jan — 16 Jan1
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 10 December 2025.

Wed 10/1207:10BFS - SEN
1 stop15h 55mMultiple Airlines
Wed 17/1207:15SEN - BFS
1 stop14h 55mMultiple Airlines
Deal found 7/12£118
Thu 11/1211:10BFS - SEN
1 stop11h 15measyJet
Sat 13/1213:25SEN - BFS
1 stop11h 05measyJet
Deal found 7/12£149
Wed 10/1207:10BFS - SEN
1 stop15h 55measyJet
Sat 13/1206:30SEN - BFS
1 stop17h 20measyJet
Deal found 7/12£152
Tue 9/1208:40BFS - SEN
1 stop13h 55mMultiple Airlines
Sat 13/1213:25SEN - BFS
1 stop11h 05mMultiple Airlines
Deal found 7/12£157
Thu 11/1208:40BFS - SEN
1 stop13h 45mMultiple Airlines
Thu 18/1206:30SEN - BFS
1 stop7h 35mMultiple Airlines
Deal found 8/12£179
Thu 11/1209:05BFS - SEN
2 stops13h 20mMultiple Airlines
Sat 13/1213:25SEN - BFS
1 stop11h 05mMultiple Airlines
Deal found 7/12£196
Wed 10/1221:20BFS - SEN
2 stops16h 20mMultiple Airlines
Sun 14/1207:00SEN - BFS
1 stop12h 30mMultiple Airlines
Deal found 8/12£197
Thu 11/1221:40BFS - SEN
2 stops24h 35measyJet
Thu 18/1206:30SEN - BFS
1 stop7h 35measyJet
Deal found 8/12£215
Wed 10/1221:05BFS - SEN
2 stops25h 20mMultiple Airlines
Sat 13/1213:25SEN - BFS
1 stop11h 05mMultiple Airlines
Deal found 9/12£266
Sat 13/1205:55BFS - SEN
1 stop13h 25measyJet
Sun 14/1207:10SEN - BFS
1 stop5h 35measyJet
Deal found 7/12£290
Thu 11/1206:30BHD - SEN
1 stop10h 45mMultiple Airlines
Mon 15/1212:20SEN - BHD
1 stop8h 40mMultiple Airlines
Deal found 9/12£471
Tue 30/1206:30BHD - SEN
1 stop3h 45mMultiple Airlines
Fri 2/106:40SEN - BHD
1 stop10h 10mMultiple Airlines
Deal found 9/12£557

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 10 December 2025.

Round-trip from

£140

One-way from

£55

Popular in

June

Cheapest in

January

Average price

£71
easyJet
  • easyJet
  • 11/3-15/3
  • 2 total stops
  • 16h 40m total
  • Northern Ireland to London
Search Deals
easyJet
  • easyJet
  • 16/12
  • 1 total stop
  • 15h 20m total
  • Northern Ireland to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£15 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 December 2025
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 10 December 2025.
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 11/3

12:00-23:05

1 stop11h 05m

London Southend

Sun 15/3

07:10-12:45

1 stop5h 35m

£140

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Tue 20/1

06:50-13:50

1 stop7h 00m

London Southend

Sat 24/1

06:30-23:50

1 stop17h 20m

£211

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Mon 12/1

09:55-14:50

1 stop4h 55m

London Southend

Mon 19/1

07:15-13:50

1 stop6h 35m

£265

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Mon 5/1

09:55-14:50

1 stop4h 55m

London Southend

Mon 12/1

07:15-13:50

1 stop6h 35m

£305

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 22/2

14:45-20:10

1 stop5h 25m

London Southend

Fri 27/2

06:40-13:40

1 stop7h 00m

£309

BelfastLondon

BHD - SEN

BHDSEN

Belfast City

Sun 22/2

06:30-20:10

1 stop13h 40m

London Southend

Fri 27/2

06:40-16:50

1 stop10h 10m

£418

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sat 20/12

14:05-19:20

1 stop5h 15m

London Southend

Sat 27/12

11:20-17:20

1 stop6h 00m

£488

BelfastLondon

BHD - SEN

BHDSEN

Belfast City

Tue 30/12

06:30-10:15

1 stop3h 45m

London Southend

Fri 2/1

06:40-16:50

1 stop10h 10m

£557

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Tue 16/12

07:05-22:25

1 stop15h 20m

£55

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 14/12

07:55-16:30

1 stop32h 35m

£65

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 23 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

What is the cheapest time of day to fly from NIR to SEN?

Find hourly flight availability from Northern Ireland to Southend. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 December 2025.

It’s optimal to fly from Northern Ireland to London Southend Airport in the morning. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the evening.

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.

  • How long is the flight from Northern Ireland to London Southend Airport?

    Airlines like easyJet fly from Northern Ireland to London Southend Airport in about 7h. The time it takes to get you to your destination can typically vary by up to . Northern Ireland and London Southend Airport are separated by a distance of 357 mi.

  • 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.

See more FAQs

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
Slough
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Deal
Bedford
Romford
Chichester
Guildford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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