How long does it take to fly to Southampton?

The average flight duration from Northern Ireland to Southampton depends on which airport you fly into and out of. Flying from Belfast to London Heathrow Airport is 1h 20m on average, while flying from Londonderry to London Heathrow Airport is 1h 30m on average. London Heathrow Airport is the most popular airport in Southampton.

Which airlines fly to Southampton?

British Airways, easyJet and Aer Lingus are the top three most popular airlines that fly to Southampton from Northern Ireland according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 6 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Northern Ireland to Southampton Eastleigh?

easyJet, Aer Lingus, and British Airways are the most popular carriers operating from Northern Ireland to Southampton Eastleigh

How many flights depart from Northern Ireland to Southampton on average per week?

The number of flights available between Northern Ireland and Southampton is 28 per week as of August 2025. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

How many flights depart from Northern Ireland to Southampton on average per day?

4 flights are operational daily from Northern Ireland to Southampton as of August 2025. The most popular departure time for this route is 06:00, with 64% of flights per day taking off at midday.

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

Prices for flights from Northern Ireland to Southampton Eastleigh Airport are updated daily.

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

As of August 2025, there are 2 operators available to choose from for flights from Northern Ireland to Southampton Eastleigh Airport.

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

What documentation or ID do you need to fly to Southampton Eastleigh Airport?

The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£16 Cheap Flights from Northern Ireland to Southampton in 2025

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Find the cheapest flights from Northern Ireland to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

10:05 - 11:20BFS-SOU

1h 15mdirect

12:00 - 13:20SOU-BFS

1h 20mdirect

£52easyJet

Find Deal

Mon, 6 Oct - Sun, 12 Oct

13:05 - 14:20BFS-SOU

1h 15mdirect

15:05 - 16:25SOU-BFS

1h 20mdirect

£76easyJet

Find Deal

Thu, 9 Oct - Thu, 16 Oct

11:00 - 12:40BHD-SOU

1h 40mdirect

08:55 - 10:30SOU-BHD

1h 35mdirect

£89Aer Lingus

Find Deal

Mon, 6 Oct - Sun, 12 Oct

06:40 - 08:25BHD-SOU

1h 45mdirect

08:55 - 10:30SOU-BHD

1h 35mdirect

£90Aer Lingus

Find Deal

Sat, 6 Sep - Tue, 9 Sep

06:40 - 08:25BHD-SOU

1h 45mdirect

17:45 - 21:00SOU-BHD

3h 15m1 stop

£141

Find Deal

Mon, 27 Oct - Fri, 31 Oct

06:40 - 08:25BHD-SOU

1h 45mdirect

20:00 - 11:40SOU-BHD

15h 40m2 stops

£157

Find Deal

Tue, 21 Oct - Tue, 21 Oct

06:40 - 08:25BHD-SOU

1h 45mdirect

08:55 - 10:30SOU-BHD

1h 35mdirect

£227British Airways

Find Deal

Mon, 8 Sep - Tue, 9 Sep

14:40 - 16:15BHD-SOU

1h 35mdirect

11:40 - 08:25SOU-BHD

20h 45m2 stops

£318British Airways

Find Deal

Fri, 28 Nov - Fri, 5 Dec

13:30 - 17:35BHD-SOU

28h 05m2 stops

14:45 - 08:50SOU-BHD

18h 05m2 stops

£531Loganair

Find Deal

Sun, 26 Oct - Thu, 30 Oct

16:20 - 10:00BHD-SOU

17h 40m2 stops

15:05 - 08:50SOU-BHD

17h 45m2 stops

£668Loganair

Find Deal

Fri, 2 Jan - Tue, 6 Jan

British Airways flights from Northern Ireland to Southampton

Our best British Airways deals on Northern Ireland to Southampton flight tickets

British Airways

8 Sept

BHD06:40Belfast City

1h 45m

SOU08:25Southampton Eastleigh

9 Sept

SOU08:55Southampton Eastleigh

1h 35m

BHD10:30Belfast City

£227

Find similar

British Airways

1 Sept

BHD13:40Belfast City

1h 35m

SOU15:15Southampton Eastleigh

8 Sept

SOU08:55Southampton Eastleigh

1h 35m

BHD10:30Belfast City

£279

Find similar

British Airways

28 Nov

BHD14:40Belfast City

1h 35m

SOU16:15Southampton Eastleigh

5 Dec

SOU11:40Southampton Eastleigh

20h 45m

2 stops

BHD08:25Belfast City

£318

Find similar

Aer Lingus flights from Northern Ireland to Southampton

Our best Aer Lingus deals on Northern Ireland to Southampton flight tickets

Aer Lingus

6 Oct

BHD11:00Belfast City

1h 40m

SOU12:40Southampton Eastleigh

12 Oct

SOU08:55Southampton Eastleigh

1h 35m

BHD10:30Belfast City

£89

Find similar

Aer Lingus

6 Sept

BHD06:40Belfast City

1h 45m

SOU08:25Southampton Eastleigh

9 Sept

SOU08:55Southampton Eastleigh

1h 35m

BHD10:30Belfast City

£90

Find similar

Aer Lingus

1 Nov

BHD06:40Belfast City

1h 45m

SOU08:25Southampton Eastleigh

8 Nov

SOU08:55Southampton Eastleigh

1h 40m

BHD10:35Belfast City

£101

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Mon 6/10

10:05-11:20

Nonstop1h 15m

Southampton Eastleigh

Sun 12/10

12:00-13:20

Nonstop1h 20m

£52

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Thu 9/10

13:05-14:20

Nonstop1h 15m

Southampton Eastleigh

Thu 16/10

15:05-16:25

Nonstop1h 20m

£76

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 6/10

11:00-12:40

Nonstop1h 40m

Southampton Eastleigh

Sun 12/10

08:55-10:30

Nonstop1h 35m

£89

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 6/9

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Tue 9/9

08:55-10:30

Nonstop1h 35m

£90

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 27/10

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Fri 31/10

17:45-21:00

1 stop3h 15m

£141

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 21/10

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Tue 21/10

20:00-11:40

2 stops15h 40m

£157

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 8/9

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Tue 9/9

08:55-10:30

Nonstop1h 35m

£227

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 28/11

14:40-16:15

Nonstop1h 35m

Southampton Eastleigh

Fri 5/12

11:40-08:25

2 stops20h 45m

£318

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sun 26/10

13:30-17:35

2 stops28h 05m

Southampton Eastleigh

Thu 30/10

14:45-08:50

2 stops18h 05m

£531

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 2/1

16:20-10:00

2 stops17h 40m

Southampton Eastleigh

Tue 6/1

15:05-08:50

2 stops17h 45m

£668

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Southampton?

The month of March is, on average, the cheapest month to fly to Southampton from Northern Ireland, with most prices found around £71. If you’re not able to fly to Southampton in March, then January is your next best option. Flight prices from Northern Ireland to Southampton during January average around £76.

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

Our data shows that Monday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £82. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £134. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.

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

According to our data, the cheapest time of day to fly to Southampton is in the evening. momondo users have found flights departing from Northern Ireland to Southampton in the evening for as low as £103. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £119 on average. Flights to Southampton from Northern Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

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

You are more likely to see cheaper flights to Southampton from Northern Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Southampton 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 Southampton from Northern Ireland for as low as £71 on momondo.

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

There are 1 cabin classes available to choose from on Northern Ireland to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Northern Ireland to Southampton flight deals and tips

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

Best price found	£79
Fastest flight time	1h 15m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Southampton	1 airport

The best one-way flight to Southampton from Northern Ireland in the past 72 hours is £79. The best return flight deal from Northern Ireland to Southampton found on momondo in the last 72 hours is £47.

The fastest flight from Northern Ireland to Southampton takes 1h 15m

Direct flights go from Northern Ireland to Southampton on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus and easyJet..

There is 1 airport near Southampton: Southampton Eastleigh (SOU)

Search flight deals

When did momondo last update prices for flights from Northern Ireland to Southampton Eastleigh Airport?
Prices for flights from Northern Ireland to Southampton Eastleigh Airport are updated daily.
How many operators does momondo search for flights from Northern Ireland to Southampton Eastleigh Airport?
As of August 2025, there are 2 operators available to choose from for flights from Northern Ireland to Southampton Eastleigh Airport.
How old do you have to be to fly from Northern Ireland to Southampton Eastleigh 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 Northern Ireland to Southampton Eastleigh Airport.
What documentation or ID do you need to fly to Southampton Eastleigh Airport?
The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Northern Ireland to Southampton?
Based on momondo bookings for flights between Northern Ireland and Southampton, the leading plane model is ATR 72-201 / 202, making up 67.02% of the total bookings. Other popular models include Airbus A319 with 15.60%, Airbus A320-100/200 with 12.77%, and Airbus A320neo with 0.89%.

Best airlines flying from Northern Ireland to Southampton

Compare and see reviews for airlines that fly from Northern Ireland to Southampton with momondo

Airline	Rating	Free Cancellation	Price
easyJet	PriceFrom £40	Free Cancellation	Rating 6.9 1,817 reviews		Search easyJet flights
Aer Lingus	PriceFrom £65	Free Cancellation	Rating 7.2 1,237 reviews		Search Aer Lingus flights

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Why use momondo?

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

It is quick and easy to find Northern Ireland to Southampton 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 Southampton that suits you.

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

Flights from Northern Ireland to Southampton with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Southampton from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Southampton from Northern Ireland 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 Southampton trip

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Cheap flights from Northern Ireland to London from £16

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to London departing on 4/10. 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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British Airways flights from Northern Ireland to Southampton

Our best British Airways deals on Northern Ireland to Southampton flight tickets

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Our best Aer Lingus deals on Northern Ireland to Southampton flight tickets

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Use the filters below to find and compare flights from Northern Ireland to Southampton that are best for you.

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

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 Southampton?

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

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

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

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

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

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

There are 1 cabin classes available to choose from on Northern Ireland to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Northern Ireland to Southampton Eastleigh?

easyJet, Aer Lingus, and British Airways are the most popular carriers operating from Northern Ireland to Southampton Eastleigh

Which airlines fly to Southampton?

How many flights depart from Northern Ireland to Southampton on average per day?

4 flights are operational daily from Northern Ireland to Southampton as of August 2025. The most popular departure time for this route is 06:00, with 64% of flights per day taking off at midday.

How many flights depart from Northern Ireland to Southampton on average per week?

The number of flights available between Northern Ireland and Southampton is 28 per week as of August 2025. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

How long does it take to fly to Southampton?

Cheap Northern Ireland to Southampton flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Southampton

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

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

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

What documentation or ID do you need to fly to Southampton Eastleigh Airport?

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

Best airlines flying from Northern Ireland to Southampton

Compare and see reviews for airlines that fly from Northern Ireland to Southampton with momondo

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your Southampton 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Airports servicing England