Flight deals from Belfast to Southampton

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Belfast to Southampton

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Cheapest flights

From price

20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6
6 13

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Belfast (BFS) to Southampton (SOU) the cheapest?

Airlines adjust prices for flights from Belfast to Southampton based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Belfast (BFS) to Southampton (SOU) cost?

According to Trip.com's data, the lowest price is around SGD 247.
How long is the flight from Belfast (BFS) to Southampton (SOU)?

It takes about 1 hour 36 minutes to fly from Belfast (BFS) to Southampton (SOU).
What are the most popular airlines that fly from Belfast (BFS) to Southampton (SOU)?

Airlines with flights from Belfast (BFS) to Southampton (SOU): Aer Lingus, British Airways and easyJet.
How many airports in Southampton (SOU)?

There are 1 airport(s) in Southampton (SOU): Southampton Airport.

How to find a cheap flight from Belfast to Southampton

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Belfast to Southampton. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Belfast to Southampton.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Belfast to Southampton over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sun, May 18, with one-way flights priced at just SGD 44.

Compare cheap flight deals from Belfast to Southampton across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Belfast to Southampton. The cheapest airline for this route is easyJet.

Set up a Price Alert

By setting up a Price Alert for your journey from Belfast to Southampton, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Belfast to Southampton.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Belfast to Southampton and snag some exclusive deals just for you.

Flight Information from Belfast to Southampton

Cheapest one-way flight price	SGD 38
Cheapest return ticket price	SGD 88
Off-season travel month	March
Peak season for travel	January
Flight distance	507.04km
Average flight time	1 hour 36 minutes
Popular airline	Aer Lingus

Flights to Southampton from Belfast

Tick another destination off your bucket list with cheap flights from Belfast to Southampton. From its history to its culture and myth, it’s no surprise that tickets from Belfast to Southampton are so popular. Easy to get to, travel from Belfast to Southampton takes around 1 hour 10 mins, making it a convenient destination for a short city break. Although with plenty to offer, many people fly from Belfast to Southampton for a longer getaway, too. And with prices starting from just £39, there’s never been a better time to experience this exciting destination. Ready? Compare flights and find the best deals at Trip.com.

How to find cheap flights from Belfast to Southampton

There are a range of ways you can find cheap flights from Belfast to Southampton. Being flexible with travel dates and times, setting your browser to incognito when searching for flights, keeping an eye out for any discounts on offer and choosing to fly with budget airlines are just a few of our top tips.

Airlines that fly from Belfast to Southampton

You can book tickets from Belfast to Southampton with airlines including British Airways.

Flight distance & Flight time from Belfast to Southampton

Located 318 miles from Belfast, you can fly to Southampton in around 1 hour 10 mins.

Departure from Belfast Airport to Southampton

Operating 7 days a week with services running every 15 to 20 minutes, the Airport Express 300 service is the most convenient way to get from Belfast city centre to Belfast International Airport. The journey takes approximately 30 to 40 minutes, with tickets costing £8.50 one way. You can also get a taxi, which will take around 30 minutes and cost approximately £38.