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Cheap flights from Southampton to Northern Ireland from £38

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 Northern Ireland departing on 28/2. 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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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
12:25 - 13:40
SOU
-
BFS
1h 15mdirect
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£78easyJet
Mon, 13 Apr - Fri, 17 Apr
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
Aer Lingus Logo
10:10 - 11:45
BHD
-
SOU
1h 35mdirect
£87Aer Lingus
Wed, 21 Jan - Wed, 28 Jan
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
Aer Lingus Logo
14:40 - 16:15
BHD
-
SOU
1h 35mdirect
£90Aer Lingus
Tue, 14 Apr - Sat, 18 Apr
Aer Lingus Logo
16:45 - 18:20
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
14:40 - 16:15
BHD
-
SOU
1h 35mdirect
£91Aer Lingus
Tue, 14 Apr - Fri, 17 Apr
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
Aer Lingus Logo
10:10 - 11:50
BHD
-
SOU
1h 40mdirect
£104Aer Lingus
Wed, 7 Jan - Sun, 11 Jan
Aer Lingus Logo
16:45 - 18:20
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
14:40 - 16:15
BHD
-
SOU
1h 35mdirect
£111Aer Lingus
Mon, 13 Apr - Sat, 18 Apr
Aer Lingus Logo
16:45 - 18:20
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
£113Aer Lingus
Mon, 13 Apr - Fri, 17 Apr
easyJet Logo
13:25 - 07:05
SOU
-
BFS
17h 40m1 stop
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
£117easyJet
Tue, 14 Apr - Fri, 17 Apr
Aer Lingus Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
Aer Lingus Logo
16:55 - 18:30
BHD
-
SOU
1h 35mdirect
£123Aer Lingus
Fri, 23 Jan - Fri, 30 Jan
Multiple Airlines Logo
17:45 - 07:25
SOU
-
BFS
13h 40m1 stop
Multiple Airlines Logo
05:45 - 13:45
BFS
-
SOU
8h 00m1 stop
£133Multiple Airlines
Fri, 6 Feb - Fri, 13 Feb

easyJet flights from Southampton to Northern Ireland

Our best easyJet deals on Southampton to Northern Ireland flight tickets
easyJet
13 Apr
SOU12:25Southampton Eastleigh
1h 15m
BFS13:40Belfast Intl
17 Apr
BFS10:35Belfast Intl
1h 15m
SOU11:50Southampton Eastleigh
£78
Find similar
easyJet
14 Apr
SOU13:25Southampton Eastleigh
17h 40m
1 stop
BFS07:05Belfast Intl
17 Apr
BFS10:35Belfast Intl
1h 15m
SOU11:50Southampton Eastleigh
£117
Find similar
easyJet
8 Feb
SOU18:20Southampton Eastleigh
13h 25m
1 stop
BFS07:45Belfast Intl
15 Feb
BFS11:30Belfast Intl
6h 15m
1 stop
SOU17:45Southampton Eastleigh
£139
Find similar

Aer Lingus flights from Southampton to Northern Ireland

Our best Aer Lingus deals on Southampton to Northern Ireland flight tickets
Aer Lingus
21 Jan
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
28 Jan
BHD10:10Belfast City
1h 35m
SOU11:45Southampton Eastleigh
£87
Find similar
Aer Lingus
14 Apr
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
18 Apr
BHD14:40Belfast City
1h 35m
SOU16:15Southampton Eastleigh
£90
Find similar
Aer Lingus
14 Apr
SOU16:45Southampton Eastleigh
1h 35m
BHD18:20Belfast City
17 Apr
BHD14:40Belfast City
1h 35m
SOU16:15Southampton Eastleigh
£91
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Northern Ireland 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 25 December 2025.
Use the filters below to find and compare flights from Southampton to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Mon 13/4

12:25-13:40

Nonstop1h 15m

Belfast Intl

Fri 17/4

10:35-11:50

Nonstop1h 15m

£78

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 21/1

08:55-10:35

Nonstop1h 40m

Belfast City

Wed 28/1

10:10-11:45

Nonstop1h 35m

£87

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 14/4

08:55-10:35

Nonstop1h 40m

Belfast City

Sat 18/4

14:40-16:15

Nonstop1h 35m

£90

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 14/4

16:45-18:20

Nonstop1h 35m

Belfast City

Fri 17/4

14:40-16:15

Nonstop1h 35m

£91

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 7/1

08:55-10:35

Nonstop1h 40m

Belfast City

Sun 11/1

10:10-11:50

Nonstop1h 40m

£104

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 13/4

16:45-18:20

Nonstop1h 35m

Belfast City

Sat 18/4

14:40-16:15

Nonstop1h 35m

£111

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 13/4

16:45-18:20

Nonstop1h 35m

Belfast City

Fri 17/4

06:40-08:25

Nonstop1h 45m

£113

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Tue 14/4

13:25-07:05

1 stop17h 40m

Belfast Intl

Fri 17/4

10:35-11:50

Nonstop1h 15m

£117

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 23/1

19:00-20:35

Nonstop1h 35m

Belfast City

Fri 30/1

16:55-18:30

Nonstop1h 35m

£123

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 6/2

17:45-07:25

1 stop13h 40m

Belfast Intl

Fri 13/2

05:45-13:45

1 stop8h 00m

£133

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Southampton to Northern Ireland

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 Northern Ireland?

In general, January is the cheapest month to fly from Southampton to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £72. If you’re not able to fly to Northern Ireland in January, then March is your next best option. Flight prices from Southampton to Northern Ireland during March average around £75.

What is the cheapest day to depart on your flight to Northern Ireland?

The cheapest day to depart from Southampton to Northern Ireland is on a Wednesday. Travellers who choose to depart for Northern Ireland on a Wednesday will often find tickets for as low as £49. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £104. These prices are subject to change though, so be sure to set up a Price Alert for flights to Northern Ireland.

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

Flying to Northern Ireland from Southampton in the evening is the least expensive time of day to depart. momondo users have found prices as low as £96 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £114 on average. Flights to Northern Ireland from Southampton at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Southampton Eastleigh to Northern Ireland flight route?

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

How far in advance should I book a flight to Northern Ireland?

You are more likely to see cheaper flights to Northern Ireland from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland 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 Northern Ireland from Southampton for as low as £68 on momondo.

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

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

Cheap Southampton to Northern Ireland flight deals and tips

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

Best price found

£57

Fastest flight time

1h 15m

Direct flights

Tue, Wed, Thu, Sat and Sun

Airports in Northern Ireland

18 airports
The best one-way flight to Northern Ireland from Southampton in the past 72 hours is £57. The best return flight deal from Southampton to Northern Ireland found on momondo in the last 72 hours is £69.
The fastest flight from Southampton to Northern Ireland takes 1h 15m
Direct flights go from Southampton to Northern Ireland on Tuesday, Wednesday, Thursday, Saturday and Sunday. Airline offering direct flights is Aer Lingus..
There are 18 airports in Northern Ireland. From Southampton there are direct flights to Belfast Intl (BFS), Belfast City (BHD).
Search flight deals

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

    Prices for flights from Southampton Eastleigh Airport to Northern Ireland were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Southampton Eastleigh Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Southampton to Northern Ireland?

Best airlines flying from Southampton to Northern Ireland

Compare and see reviews for airlines that fly from Southampton to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £34Free CancellationRating
6.9
1,854 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 Northern Ireland?

It is quick and easy to find Southampton to Northern Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Northern Ireland that suits you.

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

momondo does allow users to show only those flights to Northern Ireland from Southampton which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Southampton to Northern Ireland?

Once all potential Southampton to Northern Ireland 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 Northern Ireland right now. Can momondo alert me if prices change?

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

An easier way to manage your Northern Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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Find better results for your trip to Northern Ireland

Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
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