How long is the flight from Northern Ireland to Southampton?

Departing from Northern Ireland to Southampton will take you 1h 15m. The distance from Northern Ireland to Southampton is about 326 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Northern Ireland to Southampton?

The cheapest flight price from Northern Ireland to Southampton is £46. On average you can expect to pay £132. The most popular route, (Belfast Intl - Southampton Eastleigh), can usually be booked for £60.

What airport do you fly into for flights to Southampton from Northern Ireland?

Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly into when you book flights from Northern Ireland to Southampton.

How can I find direct flights from Northern Ireland to Southampton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Southampton.

Can I find deals for business class flights from Northern Ireland to Southampton?

Yes. Cheapflights offers flight deals from Northern Ireland to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£31+ Cheap Flights from Northern Ireland to Southampton

Cheap flight deals from Northern Ireland to Southampton

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Northern Ireland to Southampton
Explore the most affordable flight options available from Northern Ireland to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Mon 12/1010:35 -

Nonstop1h 15m

Mon 19/1012:25 -

Nonstop1h 15m

Deal found 26/9£54

Sat 10/1010:30 -

Nonstop1h 15m

Mon 12/1012:25 -

Nonstop1h 15m

Deal found 29/9£56

Sat 17/1010:30 -

Nonstop1h 15m

Mon 19/1012:25 -

Nonstop1h 15m

Deal found 28/9£60

Sat 3/1010:30 -

Nonstop1h 15m

Sun 4/1012:35 -

Nonstop1h 15m

Deal found 26/9£62

Fri 2/1010:35 -

Nonstop1h 15m

Sun 4/1012:35 -

Nonstop1h 15m

Deal found 25/9£65

Mon 12/1010:35 -

Nonstop1h 15m

Fri 16/1012:20 -

Nonstop1h 15m

Deal found 27/9£75

Tue 13/1006:40 -

Nonstop1h 45m

Tue 13/1019:30 -

Nonstop1h 35m

Deal found 26/9£82

Fri 2/1010:35 -

Nonstop1h 15m

Sat 3/1012:15 -

Nonstop1h 15m

Deal found 25/9£83

Sun 11/1006:40 -

Nonstop1h 45m

Tue 13/1019:30 -

Nonstop1h 35m

Deal found 29/9£85

Sat 17/1006:40 -

Nonstop1h 45m

Mon 19/1019:30 -

Nonstop1h 35m

Deal found 25/9£87

Fri 9/1006:40 -

Nonstop1h 45m

Sun 11/1008:55 -

Nonstop1h 40m

Deal found 27/9£88

Fri 27/1117:35 -

Nonstop1h 35m

Fri 4/1216:10 -

Nonstop1h 35m

Deal found 27/9£89

Find flight deals from Northern Ireland to Southampton

Round-trip from	£54
One-way from	£31
Popular in	July
Cheapest in	March
Average price	£60
Good round-trip deal	£55 or less
Good one-way deal	£44 or less

easyJet
12/10-19/10
Nonstop
2h 30m total
Northern Ireland to Southampton

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easyJet
10/10-31/12
Nonstop
1h 15m total
Northern Ireland to Southampton

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Price to beat on a round-trip flight from Northern Ireland to Southampton Eastleigh.

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Price to beat on a one-way flight from Northern Ireland to Southampton Eastleigh.

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Cheapflights 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

Cheapest return flight

Fastest return journey

BelfastSouthampton

BFS Belfast Intl - SOU Southampton Eastleigh

BFSSOU

Belfast Intl

Sat 10/10

10:30-11:45

Nonstop1h 15m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£31

BelfastSouthampton

BHD Belfast City - SOU Southampton Eastleigh

BHDSOU

Belfast City

Sat 24/10

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£42

BelfastSouthampton

BFS Belfast Intl - SOU Southampton Eastleigh

BFSSOU

Belfast Intl

Sat 24/10

10:30-11:45

Nonstop1h 15m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£42

BelfastSouthampton

BHD Belfast City - SOU Southampton Eastleigh

BHDSOU

Belfast City

Mon 19/10

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£42

BelfastSouthampton

BHD Belfast City - SOU Southampton Eastleigh

BHDSOU

Belfast City

Thu 7/1

14:05-15:40

Nonstop1h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£48

BelfastSouthampton

BFS Belfast Intl - SOU Southampton Eastleigh

BFSSOU

Belfast Intl

Tue 27/10

21:05-08:45

1 stop11h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£52

BelfastSouthampton

BFS Belfast Intl - SOU Southampton Eastleigh

BFSSOU

Belfast Intl

Mon 12/10

10:35-11:50

Nonstop1h 15m

Southampton Eastleigh

Mon 19/10

12:25-13:40

Nonstop1h 15m

£54

BelfastSouthampton

BFS Belfast Intl - SOU Southampton Eastleigh

BFSSOU

Belfast Intl

Thu 7/1

21:05-12:55

1 stop15h 50m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

BelfastSouthampton

BFS Belfast Intl - SOU Southampton Eastleigh

BFSSOU

Belfast Intl

Sat 17/10

10:30-11:45

Nonstop1h 15m

Southampton Eastleigh

Mon 19/10

12:25-13:40

Nonstop1h 15m

£60

BelfastSouthampton

BHD Belfast City - SOU Southampton Eastleigh

BHDSOU

Belfast City

Tue 5/1

17:35-19:10

Nonstop1h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 33 resultsSorted by cheapest first

Best time to book a flight from Northern Ireland to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Northern Ireland with our price prediction graph.

BFS-SOU

BHD-SOU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Southampton

GBNIR-SOU

BFS-SOU

BHD-SOU

What is the cheapest month to book a flight from Northern Ireland to Southampton?

Currently, March is the cheapest month in which you can book a flight from Northern Ireland to Southampton (average of £103). Flying from Northern Ireland to Southampton in July is currently the most expensive (average of £190). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NIR to SOU?

It’s typically best to fly out from Northern Ireland to Southampton in the morning. Doing so could potentially save you 39% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost for a return flight from Northern Ireland to Southampton?

Airfare is below average for this route at the moment.

Northern Ireland to Southampton flights typically cost between £97 and £135 in October.
The cheapest return price found within the last 5 days was £54 on easyJet (12 Oct–19 Oct).

How far ahead should I book a flight from Northern Ireland to Southampton?

The best time to book flights from Northern Ireland to Southampton is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

What airport do you fly into for flights to Southampton from Northern Ireland?
Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly into when you book flights from Northern Ireland to Southampton.
How long is the flight from Northern Ireland to Southampton?
Departing from Northern Ireland to Southampton will take you 1h 15m. The distance from Northern Ireland to Southampton is about 326 mi. This flight may include one or multiple stops.
What are the cheapest flights from Northern Ireland to Southampton?
The cheapest flight price from Northern Ireland to Southampton is £46. On average you can expect to pay £132. The most popular route, (Belfast Intl - Southampton Eastleigh), can usually be booked for £60.
Can I find deals for flights from Northern Ireland to Southampton that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Southampton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Southampton.
Can I find deals for business class flights from Northern Ireland to Southampton?
Yes. Cheapflights offers flight deals from Northern Ireland to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Northern Ireland to Southampton?
Currently, March is the cheapest month in which you can book a flight from Northern Ireland to Southampton (average of £103). Flying from Northern Ireland to Southampton in July is currently the most expensive (average of £190). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Northern Ireland to Southampton

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£49	Average£106	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aer Lingus	Cheapest£83	Average£140	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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How does Cheapflights help users find flights from Northern Ireland to Southampton?

Deals for Northern Ireland to Southampton flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Southampton?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to Southampton.

Can Cheapflights find flights from Northern Ireland to Southampton with no change fees?

Need flexible booking options for your flight to Southampton from Northern Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Southampton become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Northern Ireland to Southampton from £31

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Southampton

Cheapest flights from Northern Ireland to SouthamptonExplore the most affordable flight options available from Northern Ireland to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Explore the most affordable flight options available from Northern Ireland to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Northern Ireland to SouthamptonDiscover carefully curated flight deals from Northern Ireland to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Northern Ireland to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Direct flights from Northern Ireland to SouthamptonExplore direct flight options from Northern Ireland to Southampton based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.

Explore direct flight options from Northern Ireland to Southampton based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.

Last-minute flights from Northern Ireland to SouthamptonDiscover last-minute flight deals from Northern Ireland to Southampton. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Southampton. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Northern Ireland to SouthamptonSearch for one-way flight options from Northern Ireland to Southampton. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Northern Ireland to Southampton. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Find flight deals from Northern Ireland to Southampton

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Popular in

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

Best time to book a flight from Northern Ireland to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Northern Ireland with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Northern Ireland to Southampton?

What is the cheapest time of day to fly from NIR to SOU?

Find hourly flight availability from Northern Ireland to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 September 2026.

It’s typically best to fly out from Northern Ireland to Southampton in the morning. Doing so could potentially save you 39% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost for a return flight from Northern Ireland to Southampton?

Airfare is below average for this route at the moment.

Northern Ireland to Southampton flights typically cost between £97 and £135 in October.The cheapest return price found within the last 5 days was £54 on easyJet (12 Oct–19 Oct).

How far ahead should I book a flight from Northern Ireland to Southampton?

The best time to book flights from Northern Ireland to Southampton is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

What airport do you fly into for flights to Southampton from Northern Ireland?

How long is the flight from Northern Ireland to Southampton?

What are the cheapest flights from Northern Ireland to Southampton?

Can I find deals for flights from Northern Ireland to Southampton that include hotel bookings?

How can I find direct flights from Northern Ireland to Southampton?

Can I find deals for business class flights from Northern Ireland to Southampton?

What is the cheapest month to book a flight from Northern Ireland to Southampton?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southampton by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Northern Ireland to Southampton by cabin class

Find flights from Northern Ireland to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Northern Ireland and Southampton flights

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Northern Ireland to Southampton flights

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Top 2 airlines flying from Northern Ireland to Southampton

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How does Cheapflights help users find flights from Northern Ireland to Southampton?

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Can Cheapflights find flights from Northern Ireland to Southampton with no change fees?

Can Cheapflights notify me if prices for flights from Northern Ireland to Southampton become cheaper?

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Cheapest flights from Northern Ireland to Southampton
Explore the most affordable flight options available from Northern Ireland to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Northern Ireland to Southampton
Discover carefully curated flight deals from Northern Ireland to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Direct flights from Northern Ireland to Southampton
Explore direct flight options from Northern Ireland to Southampton based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.

Last-minute flights from Northern Ireland to Southampton
Discover last-minute flight deals from Northern Ireland to Southampton. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Southampton
Search for one-way flight options from Northern Ireland to Southampton. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Northern Ireland to Southampton flights typically cost between £97 and £135 in October.
The cheapest return price found within the last 5 days was £54 on easyJet (12 Oct–19 Oct).