Cheap flights from Belfast Intl Airport to London from £70

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 Intl Airport to London departing on 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 - 23:20
BFS
-
SEN
10h 35m
1 stop
Multiple Airlines Logo
20:25 - 09:20
SEN
-
BFS
12h 55m
1 stop
£137Multiple Airlines
Sun, 19 Apr - Tue, 21 Apr
Multiple Airlines Logo
12:45 - 23:20
BFS
-
SEN
10h 35m
1 stop
Multiple Airlines Logo
20:25 - 09:20
SEN
-
BFS
12h 55m
1 stop
£141Multiple Airlines
Sun, 19 Apr - Tue, 21 Apr
Multiple Airlines Logo
12:45 - 23:20
BFS
-
SEN
10h 35m
1 stop
Multiple Airlines Logo
22:00 - 08:00
SEN
-
BFS
10h 00m
1 stop
£189Multiple Airlines
Sun, 12 Apr - Fri, 17 Apr
easyJet Logo
21:05 - 13:00
BFS
-
SEN
15h 55m
1 stop
easyJet Logo
20:40 - 12:10
SEN
-
BFS
15h 30m
1 stop
£246easyJet
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
07:05 - 11:20
BFS
-
SEN
28h 15m
2 stops
Multiple Airlines Logo
13:55 - 02:40
SEN
-
BFS
12h 45m
1 stop
£377Multiple Airlines
Mon, 6 Apr - Fri, 10 Apr
Multiple Airlines Logo
09:10 - 11:20
BFS
-
SEN
26h 10m
1 stop
Multiple Airlines Logo
13:55 - 02:40
SEN
-
BFS
12h 45m
1 stop
£417Multiple Airlines
Mon, 6 Apr - Fri, 10 Apr

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 24 March 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 19/4

12:45-23:20

1 stop10h 35m

London Southend

Tue 21/4

20:25-09:20

1 stop12h 55m

£137

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 19/4

12:45-23:20

1 stop10h 35m

London Southend

Tue 21/4

20:25-09:20

1 stop12h 55m

£141
Fastest return journey

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Sun 12/4

12:45-23:20

1 stop10h 35m

London Southend

Fri 17/4

22:00-08:00

1 stop10h 00m

£189

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Thu 7/5

21:05-13:00

1 stop15h 55m

London Southend

Thu 14/5

20:40-12:10

1 stop15h 30m

£246

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Mon 6/4

07:05-11:20

2 stops28h 15m

London Southend

Fri 10/4

13:55-02:40

1 stop12h 45m

£377

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Mon 6/4

09:10-11:20

1 stop26h 10m

London Southend

Fri 10/4

13:55-02:40

1 stop12h 45m

£417
Cheapest one-way
Fastest single journey

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 15/4

09:55-23:05

2 stops13h 10m

£70

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 15/4

09:45-23:05

1 stop13h 20m

£72

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Tue 21/4

17:10-22:20

1 stop29h 10m

£74

BelfastLondon

BFS - SEN

BFSSEN

Belfast Intl

Wed 15/4

09:55-23:05

2 stops13h 10m

£77

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Belfast Intl Airport 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

How often are flights from Belfast to London delayed?

Historically, on average around 0% of flights between Belfast and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Belfast to London flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

When to book flights from Belfast Intl Airport to London Southend Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to London Southend Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to London Southend Airport (BFS to SEN) flight deals and tips

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

Fastest flight time

3h 50m

Direct flights

None
The fastest flight from Belfast Intl Airport to London Southend Airport takes 3h 50m
There are no direct flights from Belfast Intl Airport to London Southend Airport. There are no popular flight routes from Belfast Intl Airport to London Southend Airport.
  • How far is Belfast Intl to London Southend by plane?

    London Southend is 356.7 mi away from Belfast Intl. In terms of flight time, this usually takes a little over 3h 50m.

  • When did momondo last update prices for flights from Belfast Intl Airport to London Southend Airport?

    Prices for flights from Belfast Intl Airport to London Southend Airport were last updated today.

  • How old do you have to be to fly from Belfast Intl Airport to London Southend Airport?

    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 Intl Airport to London Southend Airport.

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

    The necessary travel and health documents for your London Southend Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Ipswich
Wembley
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Chichester
Bedford
Worthing

Why use momondo?

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

Finding the right flight to London from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to London from Belfast with this policy.

How can momondo help me find flights from Belfast to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Belfast.

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

Yes. momondo can track prices for Belfast to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Thu 23/4
Thu 30/4

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