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Cheap flights from Southampton to Belfast from £40

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Southampton to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
09:15 - 13:35SOU  Southampton Eastleigh-BFS Belfast Intl
4h 20m1 stop Glasgow Intl
easyJet Logo
20:45 - 07:45BFS  Belfast Intl-SOU Southampton Eastleigh
11h 00m1 stop Glasgow Intl
£89easyJet
Wed, 2 Dec - Fri, 4 Dec
easyJet Logo
17:55 - 16:15SOU  Southampton Eastleigh-BFS Belfast Intl
22h 20m1 stop Glasgow Intl
easyJet Logo
21:05 - 08:45BFS  Belfast Intl-SOU Southampton Eastleigh
11h 40m1 stop Glasgow Intl
£93easyJet
Mon, 30 Nov - Tue, 1 Dec
easyJet Logo
09:15 - 20:55SOU  Southampton Eastleigh-BFS Belfast Intl
11h 40m1 stop Glasgow Intl
easyJet Logo
08:15 - 08:40BFS  Belfast Intl-SOU Southampton Eastleigh
24h 25m1 stop Glasgow Intl
£95easyJet
Wed, 11 Nov - Wed, 18 Nov
easyJet Logo
12:15 - 16:15SOU  Southampton Eastleigh-BFS Belfast Intl
4h 00m1 stop Glasgow Intl
easyJet Logo
18:55 - 08:40BFS  Belfast Intl-SOU Southampton Eastleigh
13h 45m1 stop Glasgow Intl
£96easyJet
Tue, 10 Nov - Wed, 11 Nov
easyJet Logo
12:15 - 16:15SOU  Southampton Eastleigh-BFS Belfast Intl
4h 00m1 stop Glasgow Intl
easyJet Logo
18:55 - 08:40BFS  Belfast Intl-SOU Southampton Eastleigh
13h 45m1 stop Glasgow Intl
£98easyJet
Tue, 10 Nov - Wed, 11 Nov
easyJet Logo
12:25 - 16:15SOU  Southampton Eastleigh-BFS Belfast Intl
3h 50m1 stop Glasgow Intl
easyJet Logo
08:35 - 11:45BFS  Belfast Intl-SOU Southampton Eastleigh
3h 10m1 stop Glasgow Intl
£101easyJet
Tue, 10 Nov - Tue, 17 Nov
easyJet Logo
12:15 - 16:15SOU  Southampton Eastleigh-BFS Belfast Intl
4h 00m1 stop Glasgow Intl
easyJet Logo
18:55 - 08:40BFS  Belfast Intl-SOU Southampton Eastleigh
13h 45m1 stop Glasgow Intl
£102easyJet
Tue, 10 Nov - Wed, 11 Nov
easyJet Logo
09:15 - 13:35SOU  Southampton Eastleigh-BFS Belfast Intl
4h 20m1 stop Glasgow Intl
easyJet Logo
19:55 - 15:35BFS  Belfast Intl-SOU Southampton Eastleigh
19h 40m1 stop Glasgow Intl
£104easyJet
Wed, 2 Dec - Sat, 5 Dec
Multiple Airlines Logo
09:15 - 20:55SOU  Southampton Eastleigh-BFS Belfast Intl
11h 40m1 stop Glasgow Intl
Multiple Airlines Logo
15:25 - 08:45BFS  Belfast Intl-SOU Southampton Eastleigh
17h 20m2 stops London Stansted Dublin
£144Multiple Airlines
Wed, 2 Dec - Sat, 5 Dec
Multiple Airlines Logo
15:05 - 20:55SOU  Southampton Eastleigh-BFS Belfast Intl
5h 50m1 stop Manchester
Multiple Airlines Logo
22:00 - 11:50BFS  Belfast Intl-SOU Southampton Eastleigh
13h 50m1 stop Manchester
£148Multiple Airlines
Wed, 23 Dec - Sun, 27 Dec

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easyJet flights from Southampton to Belfast Intl Airport

Our best easyJet deals on Southampton to Belfast Intl Airport flight tickets
easyJet
19 Oct
SOU12:25Southampton Eastleigh
1h 15m
BFS13:40Belfast Intl
26 Oct
BFS08:55Belfast Intl
1h 20m
SOU10:15Southampton Eastleigh
£70
easyJet
2 Dec
SOU09:15Southampton Eastleigh
4h 20m
1 stop
BFS13:35Belfast Intl
4 Dec
BFS20:45Belfast Intl
11h 00m
1 stop
SOU07:45Southampton Eastleigh
£88
easyJet
30 Nov
SOU17:55Southampton Eastleigh
22h 20m
1 stop
BFS16:15Belfast Intl
1 Dec
BFS21:05Belfast Intl
11h 40m
1 stop
SOU08:45Southampton Eastleigh
£93

momondo Fare Finder

 
Use the filters below to find and compare flights from Southampton to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Wed 2/12

09:15-13:35

1 stop4h 20m

Belfast Intl

Fri 4/12

20:45-07:45

1 stop11h 00m

£88

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Mon 30/11

17:55-16:15

1 stop22h 20m

Belfast Intl

Tue 1/12

21:05-08:45

1 stop11h 40m

£93

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Wed 11/11

09:15-20:55

1 stop11h 40m

Belfast Intl

Wed 18/11

08:15-08:40

1 stop24h 25m

£95

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Tue 10/11

12:15-16:15

1 stop4h 00m

Belfast Intl

Wed 11/11

18:55-08:40

1 stop13h 45m

£96

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Tue 10/11

12:15-16:15

1 stop4h 00m

Belfast Intl

Wed 11/11

18:55-08:40

1 stop13h 45m

£98
Fastest return journey

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Tue 10/11

12:25-16:15

1 stop3h 50m

Belfast Intl

Tue 17/11

08:35-11:45

1 stop3h 10m

£101

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Tue 10/11

12:15-16:15

1 stop4h 00m

Belfast Intl

Wed 11/11

18:55-08:40

1 stop13h 45m

£102

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Wed 2/12

09:15-13:35

1 stop4h 20m

Belfast Intl

Sat 5/12

19:55-15:35

1 stop19h 40m

£104

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Wed 2/12

09:15-20:55

1 stop11h 40m

Belfast Intl

Sat 5/12

15:25-08:45

2 stops17h 20m

£144

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Wed 23/12

15:05-20:55

1 stop5h 50m

Belfast Intl

Sun 27/12

22:00-11:50

1 stop13h 50m

£148

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

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

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 typical price of a round-trip flight between Southampton and Belfast Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from £92 to £127.
The lowest price recently found on this route was £88.

What is the cheapest month to fly to Belfast Intl Airport?

The month of September is, on average, the cheapest month to fly to Belfast Intl Airport from Southampton, with most prices found around £81. If you’re not able to fly to Belfast Intl Airport in September, then May is your next best option. Flight prices from Southampton to Belfast Intl Airport during May average around £103.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart from Southampton to Belfast Intl Airport is on a Tuesday when prices can be found for as low as £68. The most expensive day to fly to Belfast Intl Airport is Friday, with ticket prices averaging around £81.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

The cheapest time of day to fly to Belfast Intl Airport is in the morning when flights can be purchased for as low as £91. In the afternoon is when there is more demand to fly to Belfast Intl Airport, so prices are often more expensive at around £119 per ticket.

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

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

How far in advance should I book a flight from Southampton to Belfast Intl Airport?

You are more likely to see cheaper flights to Belfast Intl Airport from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around £120 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from Southampton for as low as £75 on momondo.

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

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

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

As of October 2026, prices for Southampton to Belfast Intl Airport flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Southampton to Belfast Intl Airport

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

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

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

Best price found

£40

Fastest flight time

1h 35m

Direct flights

None
The best one-way flight to Belfast Intl Airport from Southampton in the past 72 hours is £40. The best return flight deal from Southampton to Belfast Intl Airport found on momondo in the last 72 hours is £88.
The fastest flight from Southampton to Belfast Intl Airport takes 1h 35m
There are no direct flights from Southampton to Belfast Intl Airport. There are no popular flight routes from Southampton to Belfast Intl Airport.
Search flight deals

Frequently asked questions about flying from Southampton to Belfast Intl Airport

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

    The distance between Southampton Eastleigh and Belfast Intl is about 327.5 mi. Flights usually cover this in 1h 35m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Southampton Eastleigh Airport to Belfast Intl Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Southampton to Belfast Intl Airport

Compare and see reviews for airlines that fly from Southampton to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £46Free CancellationRating
6.9
1,924 reviews
Search easyJet flights
Aer LingusPriceFrom £81Free CancellationRating
7.3
1,843 reviews
Search Aer Lingus flights

  • easyJet Flights From Southampton to Belfast Intl Airport

    easyJet flight deals from Southampton to Belfast Intl Airport start from £46 round-trip. Over the 1 easyJet flight for this route in a normal week, average airfare is usually £83 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Dungannon
Portadown

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Southampton.

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

Yes. All flights to Belfast from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Southampton to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Southampton to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast Intl Airport trip

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