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Cheap flights from Belfast Intl Airport to Southampton from £18

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Southampton departing on 19/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Belfast Intl Airport to London

Cheap return flights

These are some of the best return flight deals from Belfast Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.
10:10 - 11:25BFS-SOU
1h 15mdirect
11:50 - 13:10SOU-BFS
1h 20mdirect
£55easyJet
Find Deal
Sun, 6 Apr - Mon, 28 Apr
10:10 - 11:25BFS-SOU
1h 15mdirect
11:50 - 13:10SOU-BFS
1h 20mdirect
£57easyJet
Find Deal
Sun, 6 Apr - Mon, 28 Apr
10:10 - 11:25BFS-SOU
1h 15mdirect
15:25 - 21:30SOU-BFS
6h 05m1 stop
£72easyJet
Find Deal
Sun, 6 Apr - Mon, 28 Apr
10:30 - 11:45BFS-SOU
1h 15mdirect
11:50 - 13:10SOU-BFS
1h 20mdirect
£85easyJet
Find Deal
Fri, 25 Apr - Mon, 28 Apr
10:10 - 11:25BFS-SOU
1h 15mdirect
15:25 - 21:30SOU-BFS
6h 05m1 stop
£92easyJet
Find Deal
Sun, 6 Apr - Mon, 28 Apr
07:05 - 16:05BFS-SOU
9h 00m1 stop
15:25 - 21:30SOU-BFS
6h 05m1 stop
£94easyJet
Find Deal
Sun, 6 Apr - Mon, 28 Apr
08:40 - 16:05BFS-SOU
7h 25m1 stop
15:25 - 21:30SOU-BFS
6h 05m1 stop
£96easyJet
Find Deal
Sun, 6 Apr - Mon, 28 Apr
22:10 - 10:55BFS-SOU
12h 45m1 stop
09:00 - 21:40SOU-BFS
12h 40m1 stop
£123easyJet
Find Deal
Wed, 9 Apr - Wed, 16 Apr
07:35 - 08:45BFS-SOU
25h 10m2 stops
12:00 - 13:20SOU-BFS
1h 20mdirect
Sun, 23 Mar - Sun, 30 Mar
08:40 - 16:05BFS-SOU
7h 25m1 stop
20:30 - 11:20SOU-BFS
14h 50m2 stops
Sun, 6 Apr - Mon, 28 Apr

easyJet flights from Belfast Intl Airport to Southampton

Our best easyJet deals on Belfast Intl Airport to Southampton flight tickets
easyJet
6 Apr
BFS10:10Belfast Intl
1h 15m
SOU11:25Southampton Eastleigh
28 Apr
SOU11:50Southampton Eastleigh
1h 20m
BFS13:10Belfast Intl
easyJet
6 Apr
BFS10:10Belfast Intl
1h 15m
SOU11:25Southampton Eastleigh
28 Apr
SOU11:50Southampton Eastleigh
1h 20m
BFS13:10Belfast Intl
easyJet
26 Feb
BFS14:30Belfast Intl
1h 10m
SOU15:40Southampton Eastleigh
7 Mar
SOU13:30Southampton Eastleigh
1h 20m
BFS14:50Belfast Intl

See travel insights to London from

How to get the cheapest flight ticket from Belfast Intl Airport to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southampton?

The month of March is, on average, the cheapest month to fly to Southampton from Belfast Intl Airport, with most prices found around £66. If you’re not able to fly to Southampton in March, then January is your next best option. Flight prices from Belfast Intl Airport to Southampton during January average around £78.

What is the cheapest day to depart on your flight to Southampton?

Our data shows that Tuesday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £0. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £141. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.

What is the cheapest time of day to depart on your flight to Southampton?

According to our data, the cheapest time of day to fly to Southampton is in the evening. momondo users have found flights departing from Belfast Intl Airport to Southampton in the evening for as low as £98. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £116 on average. Flights to Southampton from Belfast Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Belfast Intl to Southampton Eastleigh flight route?

Fly from Belfast Intl to Southampton Eastleigh for the best Belfast Intl - Southampton Eastleigh flight prices

How far in advance should I book a flight to Southampton?

You are more likely to see cheaper flights to Southampton from Belfast Intl Airport when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Southampton for around £98 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southampton from Belfast Intl Airport for as low as £66 on momondo.

What cabin class options are available on Belfast Intl to Southampton Eastleigh flights?

There are 1 cabin classes available to choose from on Belfast Intl to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Belfast Intl Airport to Southampton flight prices changed over time?

As of February 2025, prices for Belfast Intl Airport to Southampton flights are approximately 82% more expensive when compared to flights at the same time last year.

When to book flights from Belfast Intl Airport to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to Southampton (BFS to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Southampton

Best price found

£18

Fastest flight time

1h 10m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Southampton

1 airport
The best one-way flight to Southampton from Belfast Intl Airport in the past 72 hours is £18. The best return flight deal from Belfast Intl Airport to Southampton found on momondo in the last 72 hours is £55.
The fastest flight from Belfast Intl Airport to Southampton takes 1h 10m
Direct flights go from Belfast Intl Airport to Southampton on Monday, Tuesday, Thursday, Saturday and Sunday. Airline offering direct flights is easyJet..
There is 1 airport near Southampton: Southampton Eastleigh (SOU)

  • How far is Belfast Intl to Southampton Eastleigh by plane?

    Southampton Eastleigh is 327.5 mi away from Belfast Intl. 1h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Belfast Intl Airport to Southampton Eastleigh Airport?

    Prices for flights from Belfast Intl Airport to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Belfast Intl Airport to Southampton Eastleigh Airport?

  • How old do you have to be to fly from Belfast Intl Airport to Southampton Eastleigh Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The necessary travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Belfast Intl Airport to Southampton?

  • What is the most popular airline from Belfast Intl Airport to Southampton?


Best airlines flying from Belfast Intl Airport to Southampton

Compare and see reviews for airlines that fly from Belfast Intl Airport to Southampton with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £47Free CancellationRating
6.9
1,812 reviews
Search easyJet flights
Aer LingusPriceFrom £61Free CancellationRating
7.0
1,071 reviews
Search Aer Lingus flights
  • easyJet Flights From Belfast Intl Airport to Southampton

    The lowest priced easyJet flight from Belfast Intl Airport to Southampton from the last 72 hours was £59. Generally, easyJet has 1 flight on this route every week with an average price of £122. easyJet is rated 6.9/10 by our users.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Southampton?

Finding the right flight to Southampton from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southampton quick and easy, saving you time and money.

Can I find flights from Belfast to Southampton with flexible booking policies on momondo?

Flights from Belfast to Southampton with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Belfast to Southampton?

momondo provides multiple filters to help you find the best flight to Southampton from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast to Southampton right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.


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