$44 Cheap Flights from Belfast (BFS) to Southampton (SOU)

View $44 flight on Mon, Sep 7, 2026Opens in a new window

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

Cheap Flights from Belfast to Southampton (BFS-SOU)

Prices were available within the past 7 days and start at $44 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Mon, Mar 30 - Mon, Apr 6
BFS
Belfast
SOU
Southampton
$101 Roundtrip, found 5 days ago
$101
Roundtrip
found 5 days ago
Select easyJet flight, departing Mon, Mar 30 from Belfast to Southampton, returning Mon, Apr 6, priced at $101 found 5 days ago
easyJet
Fri, Sep 4 - Sat, Sep 12
BFS
Belfast
SOU
Southampton
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select easyJet flight, departing Fri, Sep 4 from Belfast to Southampton, returning Sat, Sep 12, priced at $192 found 5 days ago

Alternative airports near Southampton

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

Select flight to Southampton SOU. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $265
SOU
Southampton
CheapestClosest
Average driving time to city center10 min
Flights from $265

Frequently asked questions

How much does a flight from Belfast Intl. Airport (BFS) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $44 or cheap return flight from $101 from Belfast Intl. Airport (BFS) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
March is the least expensive month to fly from BFS to SOU. Traveling during an off-peak travel window is often the key to better flight prices.
Which airlines fly direct from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
When jetting out of Belfast Intl. Airport (BFS), you can board a direct flight to Southampton Airport (SOU) with easyJet.
What is the cheapest airline that flies from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BFS to SOU flight.
How many flights per day from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
On average, you can choose from 2 direct flights every week from Belfast Intl. Airport (BFS) to Southampton Airport (SOU). For more flexibility, consider flights with layovers. Simply enter your details on Expedia and then filter your search results to show one stop or more.
What are the most popular departure times for flights from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
More people fly between BFS and SOU at 10 AM than at any other time of day. Prefer a quieter experience? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from BFS to SOU?
Friday offers the most flights from Belfast Intl. Airport (BFS) to Southampton Airport (SOU). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
The earliest flight leaving Belfast Intl. Airport (BFS) is at around 10:45AM UTC+0. Board this plane and you'll touch down at Southampton Airport (SOU) at approximately 11:55AM UTC+0. The entire trip takes 1h 10m.
How long does it take to fly from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
Flights from BFS to SOU have an average travel time of 1 hour and 10 minutes. The distance between these two airports is 330 mi.
What airline has the least delays from BFS to SOU?
With 82% of journeys generally landing on time, easyJet has the best on-time performance for nonstop flights from Belfast Intl. Airport (BFS) to Southampton Airport (SOU). To keep track of your flight status and get notified about any changes, simply head to the Expedia App.
What is the best time to fly from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
Opt for a flight from Belfast Intl. Airport (BFS) to Southampton Airport (SOU) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Southampton from Belfast Intl. Airport (BFS)?
Southampton Airport (SOU) is the only airport in Southampton with direct flights from Belfast Intl. Airport (BFS). Check out your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Belfast Intl. Airport (BFS) to Southampton Airport (SOU) last-minute?
Waiting until just before your trip to book a ticket from BFS to SOU generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a BFS to SOU flight and hotel package?
Securing a BFS to SOU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Belfast Intl. Airport (BFS) to Southampton Airport (SOU)?
You can usually cancel or reschedule your BFS to SOU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Belfast Intl.
Destination airport
Southampton
Roundtrip price
$100
Distance
326 mi

Book with confidence

Belfast to Southampton Flights

The cheapest times to fly from Belfast to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Belfast to Southampton are during the month of March. You can find some of the cheapest flights from Belfast to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Belfast to Southampton

Sunday is one of the best days to book for cheap flights from Belfast to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Belfast to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Belfast to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Belfast to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Belfast to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Belfast to Southampton Flights

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*Available to One Key members.