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Cheap Flights from London (SEN) to Belfast (BELF)

Compare London Southend to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

Book the best Belfast fare with no extra fees

Flight deals from London Southend to Belfast

Looking for a cheap last-minute deal or the best return flight from London Southend to Belfast? Find the lowest prices on one-way and return tickets right here.
Belfast.$250 per passenger.Departing Thu, 4 Sep, returning Thu, 11 Sep.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Thu, 4 Sep, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Thu, 11 Sep, arriving in London Southend.Price includes taxes and charges.From $250, select.
Belfast.$267 per passenger.Departing Mon, 29 Sep, returning Thu, 2 Oct.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Mon, 29 Sep, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Thu, 2 Oct, arriving in London Southend.Price includes taxes and charges.From $267, select.
Belfast.$315 per passenger.Departing Thu, 20 Nov, returning Sun, 23 Nov.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Thu, 20 Nov, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Sun, 23 Nov, arriving in London Southend.Price includes taxes and charges.From $315, select.
Belfast.$322 per passenger.Departing Sun, 7 Dec, returning Sun, 14 Dec.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Sun, 7 Dec, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Sun, 14 Dec, arriving in London Southend.Price includes taxes and charges.From $322, select.
Belfast.$324 per passenger.Departing Sun, 28 Dec, returning Sun, 4 Jan.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Sun, 28 Dec, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Sun, 4 Jan, arriving in London Southend.Price includes taxes and charges.From $324, select.
Belfast.$329 per passenger.Departing Thu, 1 Jan, returning Sun, 4 Jan.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Thu, 1 Jan, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Sun, 4 Jan, arriving in London Southend.Price includes taxes and charges.From $329, select.
Belfast.$330 per passenger.Departing Fri, 10 Oct, returning Thu, 16 Oct.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Fri, 10 Oct, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Thu, 16 Oct, arriving in London Southend.Price includes taxes and charges.From $330, select.
Belfast.$332 per passenger.Departing Thu, 30 Oct, returning Sun, 16 Nov.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Thu, 30 Oct, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Sun, 16 Nov, arriving in London Southend.Price includes taxes and charges.From $332, select.

Find the cheapest month to fly from London Southend to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Southend to Belfast flights are currently cheapest in September.
Jul
Find prices
Aug
from $494
Sep
from $250
Oct
from $330
Nov
from $315
Dec
from $322
Jan
from $329
Feb
from $338
Mar
from $402
Apr
from $449
May
from $469
Jun
from $515

Alternative London Southend to Belfast routes

Looking for the cheapest, fastest or easiest route from London Southend to Belfast? You could fly into the following airports instead.

London to Belfast: Flight information

The things to know before you go.
Cheapest flight found$250
Cheapest month to flySeptember

Finding cheap flights from London Southend to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from London Southend to Belfast is $250. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Southend to Belfast. But we found flights with one or more stops from $250.
As of July 2025, there are no flights flying from London Southend to Belfast.
The cheapest month to fly from London Southend to Belfast is usually September.
If you're flying from London Southend Airport, the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from $250.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Southend Airport to Belfast on Thursday, 4 September 2025.
No airlines currently offer direct flights between London Southend Airport and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 14°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, easyJet offers the cheapest flight tickets to Belfast.

Flying from London Southend Airport (SEN) to Belfast: what you need to know

  • Belfast's timezone is UTC+0, which is the same as London (the location of London Southend Airport).

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your SEN to Belfast flight.

  • Heading away during a peak period like school or public holidays? Expect longer queues at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • SEN is about 56 kilometres from central London. If you're ride-sharing, catching a cab or driving from the centre, it'll take 1 hour 10 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 1 hour 45 minutes.

  • Searching for a hotel near SEN? If you're boarding an early flight from London Southend Airport to Belfast, these stays set you up for a seamless send-off:

  • 77.91% of flights taking off from London Southend Airport reach their destination on schedule.

How to find the cheapest flights from London Southend Airport (SEN) to Belfast

  • The best price we've found for a one-way London Southend Airport to Belfast flight is $99. The cheapest price for a return flight is $250. Keep in mind fares may change due to demand at the time of booking.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from SEN to Belfast if you book early. Airlines often have some great early bird rates.

  • The 'Whole month' search tool will show you the cheapest tickets from London Southend Airport to Belfast across the entire month. It's an easy way to find a bargain if your travel dates are flexible.

  • Save time searching for cheap flights from SEN to Belfast by creating a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.

  • Select your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from London Southend Airport to Belfast by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) to central Belfast takes about 30 minutes by car. The centre is roughly 32 kilometres away.

  • Travelling to the centre by public transport takes about 2 hours.

  • Consider booking a hotel near BFS if you have a late flight from London Southend Airport to Belfast. Select one of these accommodation options and make your first night all about catching up on rest:

  • Pick up a Belfast International Airport rental car and explore Belfast and beyond with your own set of wheels. Budget, Drivalia and Dollar are top outlets you can book with here.

  • To get the lowest price, reserve your ride from Belfast International Airport around three weeks in advance of your flight from SEN to Belfast.

George Best Belfast City Airport (BHD)

  • George Best Belfast City Airport (BHD) is about 8 kilometres from the centre of Belfast. Following your flight from London Southend Airport to Belfast, it'll take you around 10 minutes to reach the heart of the city in a cab or ride-share.

  • Travelling by public transport will take about 20 minutes.

  • After stepping off your SEN to Belfast flight, rest your head at a hotel close to BHD. These are some great accommodation options that'll help you get into relaxation mode:

  • Budget, Sixt and Alamo make picking up a George Best Belfast City Airport rental car simple. These trusted providers are located in or around the terminal and will have you on the road before long.

  • Snap up the best price by reserving your ride from BHD two weeks ahead of time. You can also expect to have a greater selection of vehicles.

Best time to go to Belfast

  • Plan your trip to Belfast during high season if you prefer a busy atmosphere, but remember that prices are typically higher. Alternatively, book your flights from London Southend Airport to Belfast during low season when prices are cheaper and it's not as busy.

  • Book a London Southend Airport to Belfast flight ticket with a departure in July if you're eager to explore the city during its warmest month. You can expect temperatures to range from 10ºC (50ºF) to 19ºC (66ºF).

  • January sees average temperatures of between 1ºC (34ºF) and 8ºC (46ºF). Search for a cheap ticket from SEN to Belfast around that time if you want to travel when it's cooler.

More about Belfast

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in Belfast right here. Check out these options after locking in your flight from London Southend Airport to Belfast:

  • Crumlin Road Gaol Visitor Attraction and Conference Centre and Titanic Belfast are just a couple of the top attractions to put on your Belfast must-do list. Keep the adventure rolling by checking out Botanic Gardens.

Explore more of United Kingdom

  • Belfast has plenty to offer, but there are so many other corners of United Kingdom just waiting to be explored. Around 354 kilometres south-east of Belfast, a visit to Birmingham will fill your itinerary to the brim. Start with popular sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another must-experience destination in United Kingdom and is around 418 kilometres south-east of Belfast. No trip is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from London to Belfast

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.