Cheap Flights from Belfast to Southampton from $93

Compare Belfast to Southampton flight deals

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

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Flight deals from Belfast to Southampton Airport

Looking for a cheap last-minute deal or the best return flight from Belfast to Southampton Airport? If you want to travel next month, return fares start from $136. Find the lowest prices on one-way and return tickets right here.

Southampton.$93 per passenger.Departing Sun, 17 May, returning Sun, 14 Jun.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 17 May, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sun, 14 Jun, arriving in Belfast International.Price includes taxes and charges.From $93, select.

Southampton.$104 per passenger.Departing Mon, 15 Jun, returning Sun, 28 Jun.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Mon, 15 Jun, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sun, 28 Jun, arriving in Belfast International.Price includes taxes and charges.From $104, select.

Southampton.$105 per passenger.Departing Sat, 10 Oct, returning Mon, 19 Oct.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sat, 10 Oct, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Mon, 19 Oct, arriving in Belfast International.Price includes taxes and charges.From $105, select.

Southampton.$111 per passenger.Departing Mon, 30 Mar, returning Sun, 19 Apr.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Mon, 30 Mar, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sun, 19 Apr, arriving in Belfast International.Price includes taxes and charges.From $111, select.

Southampton.$121 per passenger.Departing Mon, 28 Sep, returning Mon, 19 Oct.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Mon, 28 Sep, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Mon, 19 Oct, arriving in Belfast International.Price includes taxes and charges.From $121, select.

Southampton.$122 per passenger.Departing Sun, 17 May, returning Mon, 18 May.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 17 May, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Mon, 18 May, arriving in Belfast International.Price includes taxes and charges.From $122, select.

Southampton.$125 per passenger.Departing Sun, 6 Sep, returning Mon, 28 Sep.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 6 Sep, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Mon, 28 Sep, arriving in Belfast International.Price includes taxes and charges.From $125, select.

Southampton.$126 per passenger.Departing Sun, 26 Jul, returning Sun, 30 Aug.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 26 Jul, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sun, 30 Aug, arriving in Belfast International.Price includes taxes and charges.From $126, select.

Southampton.$132 per passenger.Departing Mon, 13 Apr, returning Mon, 1 Jun.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Mon, 13 Apr, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Mon, 1 Jun, arriving in Belfast International.Price includes taxes and charges.From $132, select.

Southampton.$136 per passenger.Departing Sat, 25 Apr, returning Sun, 26 Apr.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sat, 25 Apr, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sun, 26 Apr, arriving in Belfast International.Price includes taxes and charges.From $136, select.

Southampton.$141 per passenger.Departing Sun, 26 Apr, returning Sat, 16 May.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 26 Apr, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sat, 16 May, arriving in Belfast International.Price includes taxes and charges.From $141, select.

Southampton.$146 per passenger.Departing Sun, 26 Jul, returning Fri, 4 Sep.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 26 Jul, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Fri, 4 Sep, arriving in Belfast International.Price includes taxes and charges.From $146, select.

Southampton.$155 per passenger.Departing Sat, 22 Aug, returning Sun, 30 Aug.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sat, 22 Aug, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Sun, 30 Aug, arriving in Belfast International.Price includes taxes and charges.From $155, select.

Southampton.$157 per passenger.Departing Sat, 22 Aug, returning Mon, 7 Sep.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sat, 22 Aug, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Mon, 7 Sep, arriving in Belfast International.Price includes taxes and charges.From $157, select.

Southampton.$159 per passenger.Departing Sun, 28 Jun, returning Fri, 10 Jul.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 28 Jun, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Fri, 10 Jul, arriving in Belfast International.Price includes taxes and charges.From $159, select.

Southampton.$160 per passenger.Departing Sun, 26 Jul, returning Fri, 31 Jul.Return flight with easyJet.Outbound direct flight with easyJet departs from Belfast International on Sun, 26 Jul, arriving in Southampton.Inbound direct flight with easyJet departs from Southampton on Fri, 31 Jul, arriving in Belfast International.Price includes taxes and charges.From $160, select.

Find the cheapest month to fly from Belfast to Southampton

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to Southampton flights are currently cheapest in June.

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Direct flights from Belfast to Southampton

Belfast to Southampton: Alternative routes

Compare routes from Belfast to Southampton below. You may find an airport to fly into that's cheaper, faster, or easier than Southampton.

Belfast to Southampton: Flight information

The things to know before you go.

Cheapest flight found	$93
Cheapest month to fly	May
Average flight time	1 hr, 27 mins
Most popular airline	Aer Lingus
Average flights per week	46

Check out these Southampton hotels

Ready to plan your stay? Other travellers rate these Southampton hotels for cleanliness, service and location.

The Grapes Pub

1.39 km from city centre

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Shirley House 3 Self Catering Guest House, Great for Contractors

2.30 km from city centre

$109

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No.4 Carlton

0.40 km from city centre

$396

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The Grapes Pub

1.39 km from city centre

$223

Per night

Shirley House 3 Self Catering Guest House, Great for Contractors

2.30 km from city centre

$109

Per night

No.4 Carlton

0.40 km from city centre

$396

Per night

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Finding cheap flights from Belfast to Southampton: Frequently asked questions

How much are return flights from Belfast to Southampton?

The best price we found for a return flight from Belfast to Southampton is $93. 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.

How long does it take to fly from Belfast to Southampton?

1 hour and 27 minutes is the average flight time from Belfast to Southampton.

Which airlines fly direct from Belfast to Southampton?

Aer Lingus, British Airways and easyJet fly direct from Belfast to Southampton.

How many flights are there a week from Belfast to Southampton?

As of March 2026, there are 46 flights per week flying from Belfast to Southampton.

When is the cheapest time to fly from Belfast to Southampton?

The cheapest month to fly from Belfast to Southampton is usually May.

Which upcoming date is cheapest to fly from Belfast to Southampton Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Southampton Airport on Sunday, 17 May 2026.

Can I get a direct flight from Belfast to Southampton Airport?

Yes – the average flight time is 1 hour and 27 minutes.

How can I find the best flight deal to Southampton?

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 Southampton 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.

When is the best time to book flights to Southampton?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Southampton is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Belfast to Southampton with?

The cheapest airline that flies to Southampton is easyJet .

Flying from Belfast to Southampton Airport (SOU): What you need to know

Your travel plans take shape at one of Belfast's main airports, Belfast International Airport (BFS) or George Best Belfast City Airport (BHD). Explore your options for booking a flight from Belfast to Southampton Airport (SOU) jetting off from either of these.
Jump on a direct Belfast to Southampton Airport flight and you'll be travelling for around 1 hour 15 minutes.
Southampton Airport is located in Southampton. The city's timezone is UTC+0 — the same as Belfast.
The most popular route is from Belfast International Airport (BFS) to Southampton Airport (SOU). There are 3 direct services each week. EasyJet operates a 6:20am departure between BFS and SOU.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your flight from Belfast to SOU.
You'll likely experience longer queues during popular months like September and other peak periods. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

Airports in Belfast

Belfast International Airport (BFS)

Belfast International Airport (BFS) is a convenient option for travelling directly to your destination. Nonstop flights from Belfast to Southampton Airport (SOU) can be booked from this terminal.
You can travel on a direct flight from Belfast to Southampton Airport with easyJet. This popular carrier operates services from BFS.
EasyJet is the most frequently chosen airline for flights from BFS to SOU.
The carrier with the top on-time arrival performance on this route is easyJet.
BFS is about 19 kilometres from central Belfast. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 45 minutes.
Catching an early flight from Belfast to Southampton Airport? Avoid the mad dash to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to Belfast International Airport:
Belfast International Airport has a strong on-time performance, reducing the likelihood of delays. Departures from BFS arrive on schedule 82% of the time.

George Best Belfast City Airport (BHD)

Prefer to leave from George Best Belfast City Airport (BHD)? Direct Belfast to Southampton Airport (SOU) plane tickets can be booked from here.
Take a direct flight from Belfast to SOU with Aer Lingus. This is one of the top airlines flying this route out of BHD.
On the BHD to SOU route, Aer Lingus is the favourite choice for most passengers.
The top on-time carrier is Aer Lingus. Its George Best Belfast City Airport to Southampton Airport flights land as scheduled 73.17% of the time.
Using public transport, you can travel from central Belfast to BHD in around 25 minutes. The terminal is roughly 5 kilometres away, and making the trip by car takes approximately 15 minutes.
Get your holiday started early with an extra night away from home. Before catching your Belfast to SOU flight, stay in one of these hotels near George Best Belfast City Airport:
George Best Belfast City Airport has earned its reputation for punctuality. 80% of flights taking off from here arrive right on target.

About Southampton Airport (SOU)

Have a late flight from Belfast to Southampton Airport? Don't let it hijack your sleep schedule. Check in to one of these hotels near SOU and get cosy, quick:
To lock in the lowest price, reserve your ride around two weeks in advance of your Belfast to Southampton Airport flight.

Getting from Southampton Airport (SOU) to central Southampton

From Southampton Airport, central Southampton is around 10 kilometres away. It takes about 15 minutes to get to the city centre by car.
When travelling by public transport, expect a journey of around 25 minutes.

How to find the cheapest flights from Belfast to Southampton Airport (SOU)

The lowest price we've found for a one-way ticket from Belfast to Southampton Airport is $43. For a return flight on this route, the best price is $93. Depending on the availability and when you book, these fares could change.
Don't leave things to the last minute. You're more likely to walk away with cheap flights from Belfast to SOU if you book ahead. Airlines often offer some fantastic early bird rates.
Affordable Belfast to Southampton Airport tickets are easier to find when you have flexibility in your schedule. Use the 'Whole month' search function to compare fares across every month and then pick the cheapest day.
There's no need to check every day to find out if prices have dropped when you set up a Price Alert. We'll notify you as soon as a lower fare pops up on plane tickets from Belfast to SOU.
Nail down a great price on a flight from Belfast to Southampton Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Belfast to Southampton Airport (SOU)

July is the busiest month for flights from Belfast to Southampton Airport (SOU). Plan your visit to Southampton in December if you'd rather avoid peak season.
Book a Belfast to SOU plane ticket departing in July if you want to experience the city during its warmest month. You can expect temperatures in Southampton to range from 11ºC to 24ºC.
Look for cheap tickets from Belfast to Southampton Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC.

More about Southampton

Start your Southampton trip right by choosing the perfect place to stay. Once you've booked your flight from Belfast to Southampton Airport, browse our range of accommodation options including:
All great adventures should include some sightseeing. Site of Jane Austen's House, Mayflower Theatre and Kennet & Avon Canal are attractions you won't want to skip in Southampton.

Explore more of the United Kingdom

You've visited Southampton, now it's time to explore more of the United Kingdom. Journey around 105 kilometres northeast to London to tick off its leading sights. From The British Museum to Westminster Abbey and Big Ben, there's plenty to keep you busy.
Manchester is another must-experience destination in the United Kingdom and is around 290 kilometres north of Southampton. No trip is complete without visiting Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.