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Cheap flights from Southampton to Belfast from £85

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Belfast departing on 5/1. 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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Cheap return flights

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Aer Lingus Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Aer Lingus Logo
06:40 - 08:25BHD-SOU
1h 45mdirect
£85Aer Lingus
Find Deal
Mon, 5 Jan - Tue, 6 Jan
Aer Lingus Logo
12:15 - 13:50SOU-BHD
1h 35mdirect
Aer Lingus Logo
10:10 - 11:50BHD-SOU
1h 40mdirect
£86Aer Lingus
Find Deal
Wed, 4 Feb - Sun, 8 Feb
Aer Lingus Logo
08:55 - 10:35SOU-BHD
1h 40mdirect
Aer Lingus Logo
16:55 - 18:30BHD-SOU
1h 35mdirect
£92Aer Lingus
Find Deal
Tue, 16 Dec - Fri, 30 Jan
Aer Lingus Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Aer Lingus Logo
10:10 - 11:50BHD-SOU
1h 40mdirect
£93Aer Lingus
Find Deal
Fri, 27 Feb - Sun, 1 Mar
easyJet Logo
12:05 - 20:20SOU-BFS
8h 15m1 stop
easyJet Logo
13:35 - 17:20BFS-SOU
3h 45m1 stop
£96easyJet
Find Deal
Mon, 5 Jan - Thu, 8 Jan
Aer Lingus Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Aer Lingus Logo
06:40 - 08:25BHD-SOU
1h 45mdirect
£98Aer Lingus
Find Deal
Thu, 1 Jan - Tue, 6 Jan
Aer Lingus Logo
12:20 - 13:55SOU-BHD
1h 35mdirect
Aer Lingus Logo
16:55 - 18:30BHD-SOU
1h 35mdirect
£113Aer Lingus
Find Deal
Mon, 5 Jan - Mon, 5 Jan
easyJet Logo
09:25 - 12:45SOU-BFS
3h 20m1 stop
easyJet Logo
20:40 - 17:20BFS-SOU
20h 40m1 stop
£127easyJet
Find Deal
Wed, 25 Feb - Wed, 4 Mar
easyJet Logo
17:45 - 07:25SOU-BFS
13h 40m1 stop
easyJet Logo
11:30 - 17:45BFS-SOU
6h 15m1 stop
£132easyJet
Find Deal
Fri, 27 Feb - Sun, 1 Mar
Multiple Airlines Logo
17:55 - 21:05SOU-BFS
27h 10m2 stops
Multiple Airlines Logo
13:35 - 17:20BFS-SOU
3h 45m1 stop
£147Multiple Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan

easyJet flights from Southampton to Belfast

Our best easyJet deals on Southampton to Belfast flight tickets
easyJet
5 Jan
SOU12:05Southampton Eastleigh
8h 15m
1 stop
BFS20:20Belfast Intl
8 Jan
BFS13:35Belfast Intl
3h 45m
1 stop
SOU17:20Southampton Eastleigh
£96
Find similar
easyJet
25 Feb
SOU09:25Southampton Eastleigh
3h 20m
1 stop
BFS12:45Belfast Intl
4 Mar
BFS20:40Belfast Intl
20h 40m
1 stop
SOU17:20Southampton Eastleigh
£127
Find similar
easyJet
27 Feb
SOU17:45Southampton Eastleigh
13h 40m
1 stop
BFS07:25Belfast Intl
1 Mar
BFS11:30Belfast Intl
6h 15m
1 stop
SOU17:45Southampton Eastleigh
£132
Find similar

Aer Lingus flights from Southampton to Belfast

Our best Aer Lingus deals on Southampton to Belfast flight tickets
Aer Lingus
5 Jan
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
6 Jan
BHD06:40Belfast City
1h 45m
SOU08:25Southampton Eastleigh
£85
Find similar
Aer Lingus
4 Feb
SOU12:15Southampton Eastleigh
1h 35m
BHD13:50Belfast City
8 Feb
BHD10:10Belfast City
1h 40m
SOU11:50Southampton Eastleigh
£86
Find similar
Aer Lingus
16 Dec
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
30 Jan
BHD16:55Belfast City
1h 35m
SOU18:30Southampton Eastleigh
£92
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from Southampton to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 5/1

19:00-20:35

Nonstop1h 35m

Belfast City

Tue 6/1

06:40-08:25

Nonstop1h 45m

£85

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 4/2

12:15-13:50

Nonstop1h 35m

Belfast City

Sun 8/2

10:10-11:50

Nonstop1h 40m

£86

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 16/12

08:55-10:35

Nonstop1h 40m

Belfast City

Fri 30/1

16:55-18:30

Nonstop1h 35m

£92

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 27/2

19:00-20:35

Nonstop1h 35m

Belfast City

Sun 1/3

10:10-11:50

Nonstop1h 40m

£93

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Mon 5/1

12:05-20:20

1 stop8h 15m

Belfast Intl

Thu 8/1

13:35-17:20

1 stop3h 45m

£96

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Thu 1/1

19:00-20:35

Nonstop1h 35m

Belfast City

Tue 6/1

06:40-08:25

Nonstop1h 45m

£98

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 5/1

12:20-13:55

Nonstop1h 35m

Belfast City

Mon 5/1

16:55-18:30

Nonstop1h 35m

£113

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Wed 25/2

09:25-12:45

1 stop3h 20m

Belfast Intl

Wed 4/3

20:40-17:20

1 stop20h 40m

£127

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 27/2

17:45-07:25

1 stop13h 40m

Belfast Intl

Sun 1/3

11:30-17:45

1 stop6h 15m

£132

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Thu 8/1

17:55-21:05

2 stops27h 10m

Belfast Intl

Thu 15/1

13:35-17:20

1 stop3h 45m

£147

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Southampton to Belfast

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 Belfast?

The cheapest month to fly to Belfast from Southampton is in January. Flight prices, which tend to average around £72, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £78.

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

The cheapest day to depart on your flight to Belfast is on a Wednesday when prices can be found for as low as £63. This is often the case because there is less demand to fly during this day of the week. Flights from Southampton to Belfast on a Friday will generally be more expensive and average around £73. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £88. Flights to Belfast are more costly at midday, with an average ticket price of £108. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Southampton Eastleigh to Belfast flight route?

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

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

You are more likely to see cheaper flights to Belfast from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £101 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from Southampton for as low as £73 on momondo.

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

There are 2 cabin classes available to choose from on Southampton Eastleigh to Belfast flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Southampton to Belfast flight deals and tips

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

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Belfast

1 airport
The fastest flight from Southampton to Belfast takes 1h 35m
Direct flights go from Southampton to Belfast every day.
There is 1 airport near Belfast: Belfast City (BHD)
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  • How far is Southampton Eastleigh to Belfast by plane?

    Southampton Eastleigh and Belfast are 317.1 mi apart from one another. In terms of flight time, this usually takes a little over 1h 35m.

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Southampton to Belfast

Compare and see reviews for airlines that fly from Southampton to Belfast with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £36Free CancellationRating
6.9
1,848 reviews
Search easyJet flights
Aer LingusPriceFrom £64Free CancellationRating
7.2
1,381 reviews
Search Aer Lingus flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southampton to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Southampton to Belfast flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Belfast.

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

Price alerts on flights to Belfast from Southampton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belfast trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport