Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Southampton to Northern Ireland 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 Northern Ireland departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Southampton to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
12:05 - 20:20SOU-BFS
8h 15m1 stop
easyJet Logo
21:45 - 11:25BFS-SOU
13h 40m1 stop
£85easyJet
Find Deal
Mon, 12 Jan - Sun, 18 Jan
easyJet Logo
17:45 - 07:25SOU-BFS
13h 40m1 stop
easyJet Logo
21:45 - 11:25BFS-SOU
13h 40m1 stop
£86easyJet
Find Deal
Fri, 16 Jan - Sun, 18 Jan
Aer Lingus Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Aer Lingus Logo
10:10 - 11:50BHD-SOU
1h 40mdirect
£91Aer Lingus
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Aer Lingus Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Aer Lingus Logo
10:10 - 11:50BHD-SOU
1h 40mdirect
£97Aer Lingus
Find Deal
Thu, 19 Feb - Mon, 23 Feb
Multiple Airlines Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Multiple Airlines Logo
14:15 - 14:00BHD-SOU
23h 45m2 stops
£126Multiple Airlines
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
Multiple Airlines Logo
08:20 - 17:45BHD-SOU
9h 25m1 stop
£134Multiple Airlines
Find Deal
Fri, 9 Jan - Sun, 11 Jan
KLM Logo
09:00 - 16:50SOU-BHD
7h 50m1 stop
KLM Logo
06:30 - 08:20BHD-SOU
25h 50m1 stop
£197KLM
Find Deal
Thu, 19 Feb - Sun, 22 Feb
KLM Logo
17:30 - 16:50SOU-BHD
23h 20m1 stop
KLM Logo
06:30 - 08:10BHD-SOU
25h 40m1 stop
£208KLM
Find Deal
Fri, 5 Dec - Sun, 7 Dec
British Airways Logo
08:55 - 10:35SOU-BHD
1h 40mdirect
British Airways Logo
13:40 - 15:15BHD-SOU
1h 35mdirect
£225British Airways
Find Deal
Sat, 6 Dec - Sat, 6 Dec
British Airways Logo
19:00 - 20:35SOU-BHD
1h 35mdirect
British Airways Logo
10:10 - 11:45BHD-SOU
1h 35mdirect
£228British Airways
Find Deal
Mon, 23 Mar - Wed, 25 Mar

easyJet flights from Southampton to Northern Ireland

Our best easyJet deals on Southampton to Northern Ireland flight tickets
easyJet
12 Jan
SOU12:05Southampton Eastleigh
8h 15m
1 stop
BFS20:20Belfast Intl
18 Jan
BFS21:45Belfast Intl
13h 40m
1 stop
SOU11:25Southampton Eastleigh
£85
Find similar
easyJet
16 Jan
SOU17:45Southampton Eastleigh
13h 40m
1 stop
BFS07:25Belfast Intl
18 Jan
BFS21:45Belfast Intl
13h 40m
1 stop
SOU11:25Southampton Eastleigh
£86
Find similar
easyJet
9 Jan
SOU17:45Southampton Eastleigh
13h 40m
1 stop
BFS07:25Belfast Intl
11 Jan
BFS21:45Belfast Intl
13h 40m
1 stop
SOU11:25Southampton Eastleigh
£104
Find similar

Aer Lingus flights from Southampton to Northern Ireland

Our best Aer Lingus deals on Southampton to Northern Ireland flight tickets
Aer Lingus
9 Jan
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
11 Jan
BHD10:10Belfast City
1h 40m
SOU11:50Southampton Eastleigh
£91
Find similar
Aer Lingus
19 Feb
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
23 Feb
BHD10:10Belfast City
1h 40m
SOU11:50Southampton Eastleigh
£97
Find similar
Aer Lingus
19 Feb
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
23 Feb
BHD10:10Belfast City
1h 40m
SOU11:50Southampton Eastleigh
£103
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 11 November 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 12/1

12:05-20:20

1 stop8h 15m

Belfast Intl

Sun 18/1

21:45-11:25

1 stop13h 40m

£85

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 16/1

17:45-07:25

1 stop13h 40m

Belfast Intl

Sun 18/1

21:45-11:25

1 stop13h 40m

£86

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 9/1

19:00-20:35

Nonstop1h 35m

Belfast City

Sun 11/1

10:10-11:50

Nonstop1h 40m

£91

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Thu 19/2

19:00-20:35

Nonstop1h 35m

Belfast City

Mon 23/2

10:10-11:50

Nonstop1h 40m

£97

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 9/1

19:00-20:35

Nonstop1h 35m

Belfast City

Sun 11/1

14:15-14:00

2 stops23h 45m

£126

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 9/1

19:00-20:35

Nonstop1h 35m

Belfast City

Sun 11/1

08:20-17:45

1 stop9h 25m

£134

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Thu 19/2

09:00-16:50

1 stop7h 50m

Belfast City

Sun 22/2

06:30-08:20

1 stop25h 50m

£197

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Fri 5/12

17:30-16:50

1 stop23h 20m

Belfast City

Sun 7/12

06:30-08:10

1 stop25h 40m

£208

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sat 6/12

08:55-10:35

Nonstop1h 40m

Belfast City

Sat 6/12

13:40-15:15

Nonstop1h 35m

£225

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 23/3

19:00-20:35

Nonstop1h 35m

Belfast City

Wed 25/3

10:10-11:45

Nonstop1h 35m

£228

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 February is your next best option. Flight prices from Southampton to Northern Ireland during February average around £76.

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 £61. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around £101. 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 £99 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 £116 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 £100 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 £73 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

£43

Fastest flight time

1h 35m

Direct flights

Mon, Tue, Wed, Fri and Sat

Airports in Northern Ireland

1 airport
The best one-way flight to Northern Ireland from Southampton in the past 72 hours is £43. The best return flight deal from Southampton to Northern Ireland found on momondo in the last 72 hours is £73.
The fastest flight from Southampton to Northern Ireland takes 1h 35m
Direct flights go from Southampton to Northern Ireland on Monday, Tuesday, Wednesday, Friday and Saturday. Airlines offering direct flights are: Aer Lingus and easyJet..
There is 1 airport near Northern Ireland: 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 £36Free CancellationRating
6.9
1,842 reviews
Search easyJet flights
Aer LingusPriceFrom £64Free CancellationRating
7.2
1,366 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 11/12
Thu 18/12
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to Londonfrom £30
Flights to Manchesterfrom £31
Flights to Birminghamfrom £33
Flights to Edinburghfrom £32
Flights to Belfastfrom £30
Flights to Glasgowfrom £31
Flights to Bristolfrom £31
Flights to Newcastle upon Tynefrom £30
Flights to Aberdeenfrom £47
Flights to Liverpoolfrom £30
Flights to Leedsfrom £74
Flights to Invernessfrom £36