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Cheap flights from Southampton to Belfast from £71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Belfast departing on 16/4. 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

Enter your travel dates to find the best prices.
easyJet Logo
12:20 - 13:35
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:50 - 12:05
BFS
-
SOU
1h 15mdirect
£86easyJet
Fri, 3 Apr - Sun, 5 Apr
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
Aer Lingus Logo
16:55 - 18:30
BHD
-
SOU
1h 35mdirect
£87Aer Lingus
Sat, 31 Jan - Mon, 2 Feb
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
Aer Lingus Logo
10:10 - 11:50
BHD
-
SOU
1h 40mdirect
£92Aer Lingus
Sat, 10 Jan - Sun, 11 Jan
Aer Lingus Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
10:10 - 11:50
BHD
-
SOU
1h 40mdirect
£96Aer Lingus
Fri, 27 Feb - Sun, 1 Mar
easyJet Logo
12:20 - 13:35
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:30 - 11:45
BFS
-
SOU
1h 15mdirect
£97easyJet
Fri, 5 Jun - Sat, 13 Jun
easyJet Logo
17:55 - 19:35
SOU
-
BFS
25h 40m1 stop
easyJet Logo
13:35 - 17:20
BFS
-
SOU
3h 45m1 stop
£115easyJet
Thu, 5 Feb - Thu, 12 Feb
Aer Lingus Logo
12:20 - 13:55
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
£122Aer Lingus
Fri, 23 Jan - Sat, 24 Jan
Aer Lingus Logo
12:20 - 13:55
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
10:10 - 11:50
BHD
-
SOU
1h 40mdirect
£123Aer Lingus
Fri, 23 Jan - Sun, 25 Jan
easyJet Logo
11:40 - 21:10
SOU
-
BFS
9h 30m1 stop
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£124easyJet
Thu, 16 Apr - Fri, 17 Apr
Multiple Airlines Logo
15:45 - 17:20
SOU
-
BHD
1h 35mdirect
Multiple Airlines Logo
08:20 - 17:15
BHD
-
SOU
8h 55m1 stop
£141Multiple Airlines
Sat, 31 Jan - Mon, 2 Feb

easyJet flights from Southampton to Belfast

Our best easyJet deals on Southampton to Belfast flight tickets
easyJet
3 Apr
SOU12:20Southampton Eastleigh
1h 15m
BFS13:35Belfast Intl
5 Apr
BFS10:50Belfast Intl
1h 15m
SOU12:05Southampton Eastleigh
£86
Find similar
easyJet
5 Jun
SOU12:20Southampton Eastleigh
1h 15m
BFS13:35Belfast Intl
13 Jun
BFS10:30Belfast Intl
1h 15m
SOU11:45Southampton Eastleigh
£97
Find similar
easyJet
5 Feb
SOU17:55Southampton Eastleigh
25h 40m
1 stop
BFS19:35Belfast Intl
12 Feb
BFS13:35Belfast Intl
3h 45m
1 stop
SOU17:20Southampton Eastleigh
£115
Find similar

KLM flights from Southampton to Belfast

Our best KLM deals on Southampton to Belfast flight tickets
KLM
3 Mar
SOU08:40Southampton Eastleigh
8h 10m
1 stop
BHD16:50Belfast City
6 Mar
BHD06:30Belfast City
10h 30m
1 stop
SOU17:00Southampton Eastleigh
£176
Find similar
KLM
27 Dec
SOU09:25Southampton Eastleigh
7h 25m
1 stop
BHD16:50Belfast City
28 Dec
BHD06:30Belfast City
10h 55m
1 stop
SOU17:25Southampton Eastleigh
£310
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 23 December 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 - BFS

SOUBFS

Southampton Eastleigh

Fri 3/4

12:20-13:35

Nonstop1h 15m

Belfast Intl

Sun 5/4

10:50-12:05

Nonstop1h 15m

£86

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 31/1

08:55-10:35

Nonstop1h 40m

Belfast City

Mon 2/2

16:55-18:30

Nonstop1h 35m

£87

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 10/1

08:55-10:35

Nonstop1h 40m

Belfast City

Sun 11/1

10:10-11:50

Nonstop1h 40m

£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

£96

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 5/6

12:20-13:35

Nonstop1h 15m

Belfast Intl

Sat 13/6

10:30-11:45

Nonstop1h 15m

£97

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Thu 5/2

17:55-19:35

1 stop25h 40m

Belfast Intl

Thu 12/2

13:35-17:20

1 stop3h 45m

£115

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 23/1

12:20-13:55

Nonstop1h 35m

Belfast City

Sat 24/1

06:40-08:25

Nonstop1h 45m

£122

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 23/1

12:20-13:55

Nonstop1h 35m

Belfast City

Sun 25/1

10:10-11:50

Nonstop1h 40m

£123

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Thu 16/4

11:40-21:10

1 stop9h 30m

Belfast Intl

Fri 17/4

10:35-11:50

Nonstop1h 15m

£124

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 31/1

15:45-17:20

Nonstop1h 35m

Belfast City

Mon 2/2

08:20-17:15

1 stop8h 55m

£141

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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 £75.

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 Tuesday when prices can be found for as low as £61. 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 £87. 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 £102 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 £68 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 15m

Direct flights

Tue, Wed, Sat and Sun

Airports in Belfast

2 airports
The fastest flight from Southampton to Belfast takes 1h 15m
Direct flights go from Southampton to Belfast on Tuesday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights..
There are 2 airports in Belfast. From Southampton there are direct flights to Belfast Intl (BFS), Belfast City (BHD).
Search flight deals

  • 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 15m.

  • 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 £34Free CancellationRating
6.9
1,853 reviews
Search easyJet flights
Aer LingusPriceFrom £63Free CancellationRating
7.2
1,412 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.

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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