£30 Cheap Flights from Southampton (SOU) to Belfast (BFS)

View £30 flight on Mon, 28 Sept 2026Opens in a new window

Popular airlines from Southampton (SOU) to Belfast International Airport (BFS)

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Cheap Flights from Southampton (SOU) to Belfast (BFS)

Prices were available within the past 7 days and start at £30 for one-way flights and £59 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Sun, 20 Sept - Mon, 28 Sept
SOU
Southampton
BFS
Belfast
£59 Return, found 2 hours ago
£59
Return
found 2 hours ago
Select easyJet flight, departing Sun, 20 Sept from Southampton to Belfast, returning Mon, 28 Sept, priced at £59 found 2 hours ago
easyJet
Sat, 19 Sept - Mon, 28 Sept
SOU
Southampton
BFS
Belfast
£68 Return, found 4 days ago
£68
Return
found 4 days ago
Select easyJet flight, departing Sat, 19 Sept from Southampton to Belfast, returning Mon, 28 Sept, priced at £68 found 4 days ago
easyJet
Sat, 19 Sept - Sun, 20 Sept
SOU
Southampton
BFS
Belfast
£75 Return, found 3 days ago
£75
Return
found 3 days ago
Select easyJet flight, departing Sat, 19 Sept from Southampton to Belfast, returning Sun, 20 Sept, priced at £75 found 3 days ago
easyJet
Sat, 30 May - Mon, 1 Jun
SOU
Southampton
BFS
Belfast
£78 Return, just found
£78
Return
just found
Select easyJet flight, departing Sat, 30 May from Southampton to Belfast, returning Mon, 1 Jun, priced at £78 just found
easyJet
Mon, 14 Sept - Mon, 21 Sept
SOU
Southampton
BFS
Belfast
£79 Return, found 3 days ago
£79
Return
found 3 days ago
Select easyJet flight, departing Mon, 14 Sept from Southampton to Belfast, returning Mon, 21 Sept, priced at £79 found 3 days ago
easyJet
Fri, 9 Oct - Sun, 11 Oct
SOU
Southampton
BFS
Belfast
£82 Return, found 4 days ago
£82
Return
found 4 days ago
Select easyJet flight, departing Fri, 9 Oct from Southampton to Belfast, returning Sun, 11 Oct, priced at £82 found 4 days ago
easyJet
Sat, 6 Jun - Sun, 14 Jun
SOU
Southampton
BFS
Belfast
£84 Return, found 2 days ago
£84
Return
found 2 days ago
Select easyJet flight, departing Sat, 6 Jun from Southampton to Belfast, returning Sun, 14 Jun, priced at £84 found 2 days ago
easyJet
Sat, 13 Jun - Mon, 15 Jun
SOU
Southampton
BFS
Belfast
£86 Return, found 1 day ago
£86
Return
found 1 day ago
Select easyJet flight, departing Sat, 13 Jun from Southampton to Belfast, returning Mon, 15 Jun, priced at £86 found 1 day ago
easyJet
Sat, 30 May - Sat, 13 Jun
SOU
Southampton
BFS
Belfast
£88 Return, found 13 hours ago
£88
Return
found 13 hours ago
Select easyJet flight, departing Sat, 30 May from Southampton to Belfast, returning Sat, 13 Jun, priced at £88 found 13 hours ago
easyJet
Fri, 2 Oct - Mon, 5 Oct
SOU
Southampton
BFS
Belfast
£90 Return, found 1 day ago
£90
Return
found 1 day ago
Select easyJet flight, departing Fri, 2 Oct from Southampton to Belfast, returning Mon, 5 Oct, priced at £90 found 1 day ago

Alternative airports near Belfast

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Best Belfast City BHD. Closest option available. Average driving time to city centre is 6 minutes. Flights from £107
BHD
George Best Belfast City
Closest
Average driving time to city centre6 min
Flights from £107

Frequently asked questions

How much does a flight from Southampton (SOU) to Belfast (BFS-Belfast Intl.) cost?
One-way flights typically cost between £41 and £298 and return flights often range between £107 and £323. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
March is typically the cheapest month to fly from Southampton (SOU) to Belfast (BFS-Belfast Intl.), with average return fares of approximately £86. This is about 28% lower than the average price throughout the year. March often sees lower prices as it's outside of peak holiday seasons, leading to less demand. Other cheap months to fly from Southampton (SOU) to Belfast (BFS-Belfast Intl.) include September and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
Enter SOU to BFS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
To find a cheap flight from Southampton (SOU) to Belfast (BFS-Belfast Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
The best airline to fly with from Southampton (SOU) to Belfast (BFS-Belfast Intl.) will differ from traveller to traveller. If you like to fly early, E1 offers early morning flights. If price is the most important factor, U2 typically offers the lowest fares. U2 offers the most daily flights from Southampton (SOU) to Belfast (BFS-Belfast Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
The best time to fly from Southampton (SOU) to Belfast Intl. (BFS) is September. This month offers a great balance, as it's one of the cheapest times to fly, with average return flights around £86, and it's also a very popular month for travel, meaning you'll have plenty of flight options to choose from. If you're looking for good value and convenience, September is an excellent choice, based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
There is approximately 1 nonstop flight per day from Southampton (SOU) to Belfast (BFS-Belfast Intl.).
What is the earliest flight from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
The earliest flight from Southampton (SOU) to Belfast (BFS-Belfast Intl.) typically departs at approximately 6:40 AM local time. This is a seasonal service active in February. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
You'll typically find the most flights from Southampton (SOU) to Belfast (BFS-Belfast Intl.) (BFS) on a Friday, with around 9 flights available. This gives you a good selection of options for your travel plans. Flight schedules are consistent throughout the week, so you'll find similar options on other days too.
What are the most popular departure times for flights from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
The most popular departure times for flights from Southampton (SOU) to Belfast (BFS-Belfast Intl.) are between 12pm and 3pm. About 40% of passengers prefer this time. This timing works well because it allows for a relaxed start to your day before heading to the airport, and you'll arrive in Belfast with plenty of time to settle in.
How long does it take to fly from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
Direct flights from SOU to BFS usually take about 1 hour 20 minutes, traveling roughly 327 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
Select the "Business class" and "First class" filters when looking for SOU to BFS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Southampton (SOU) to Belfast (BFS-Belfast Intl.) flight with Expedia?
It's easy to earn miles on a Southampton (SOU) to Belfast (BFS-Belfast Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Belfast from SOU (SOU)?
From SOU (SOU), you can fly into Belfast Intl. (BFS) and George Best Belfast City (BHD) in Belfast. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Southampton (SOU) to Belfast (BFS-Belfast Intl.) at the last minute?
Typically, booking a last minute flight from Southampton (SOU) to Belfast (BFS-Belfast Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Southampton (SOU) to Belfast (BFS-Belfast Intl.) flight and hotel package?
Securing a Southampton (SOU) to Belfast (BFS-Belfast Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Southampton (SOU) to Belfast (BFS-Belfast Intl.)?
If you booked your Southampton (SOU) to Belfast (BFS-Belfast Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Southampton
Destination airport
Belfast Intl.
Return price
£58
Distance
522 km
Average flight time
1 hour 15 mins

Book with confidence

Compare flights from Southampton to Belfast easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Southampton to Belfast. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Belfast Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Southampton to Belfast Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Southampton (SOU) to Belfast Intl. (BFS)

The easiest way to view the best deals on flights from Southampton to Belfast today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Southampton to Belfast Intl. start at just £59 and range up to £90.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Southampton and Belfast
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Southampton to Belfast flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Southampton to Belfast Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Southampton to Belfast easily and book with confidence

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