Cheap flights from Northern Ireland to London Southend Airport from £43
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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Northern Ireland to Southend
Cheapest flights from Northern Ireland to SouthendExplore 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 22 October 2025.
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 22 October 2025.
Cheap 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 22 October 2025.
Cheapflights Fare Finder
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
Thu 11/12
08:40-22:25
1 stop13h 45m
London Southend
Sun 14/12
07:10-12:45
1 stop5h 35m
BelfastLondon
BFS - SEN
BFSSEN
Belfast Intl
Wed 11/3
12:00-23:05
1 stop11h 05m
London Southend
Fri 13/3
07:35-20:25
2 stops12h 50m
BelfastLondon
BFS - SEN
BFSSEN
Belfast Intl
Tue 4/11
08:40-22:35
1 stop13h 55m
London Southend
Sun 30/11
07:00-07:45
2 stops24h 45m
BelfastLondon
BFS - SEN
BFSSEN
Belfast Intl
Thu 13/11
08:40-22:25
1 stop13h 45m
London Southend
Sun 16/11
07:00-19:30
1 stop12h 30m
BelfastLondon
BFS - SEN
BFSSEN
Belfast Intl
Sun 21/12
15:45-20:50
1 stop5h 05m
London Southend
Fri 9/1
07:35-20:25
2 stops12h 50m
BelfastLondon
BFS - SEN
BFSSEN
Belfast Intl
Sun 30/11
08:15-16:10
1 stop7h 55m
London Southend
Tue 2/12
08:00-16:15
1 stop8h 15m
BelfastLondon
BHD - SEN
BHDSEN
Belfast City
Thu 11/12
06:30-17:15
1 stop10h 45m
London Southend
Mon 15/12
12:20-16:50
1 stop4h 30m
BelfastLondon
BHD - SEN
BHDSEN
Belfast City
Tue 9/12
06:30-10:15
1 stop3h 45m
London Southend
Fri 12/12
06:40-16:50
1 stop10h 10m
BelfastLondon
BHD - SEN
BHDSEN
Belfast City
Thu 27/11
06:30-17:15
1 stop10h 45m
London Southend
Sat 29/11
07:15-16:50
1 stop9h 35m
BelfastLondon
BHD - SEN
BHDSEN
Belfast City
Thu 11/12
06:30-17:15
1 stop10h 45m
London Southend
Sun 14/12
16:50-21:00
1 stop4h 10m
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.
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 22 October 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.
Travelling to a place near London Southend Airport?
Book flights to London Southend Airport if you plan to visit one of these locationsBrowse 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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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!