How long is the flight from Southampton to Northern Ireland?

There are many flights that can get you from Southampton to Northern Ireland in 1h 15m. Fly via easyJet or Aer Lingus to get the fastest option. Southampton and Northern Ireland are separated by a distance of 326 mi. Generally, flights for this route are direct.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the cheapest flights from Southampton to Northern Ireland?

On average you can expect to pay £66 for a flight from Southampton to Northern Ireland. The cheapest flight overall is £55 while the most popular route, (Southampton Eastleigh - Belfast Intl) is currently priced at £41.

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

Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Northern Ireland. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

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

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

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

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

£34+ Cheap Flights from Southampton to Northern Ireland

Cheap flight deals from Southampton to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Southampton to Northern Ireland
Explore the most affordable flight options available from Southampton to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Sun 4/1012:35 -

Nonstop1h 15m

Mon 5/1010:35 -

Nonstop1h 15m

Deal found 20/8£41

Sat 17/1012:15 -

Nonstop1h 15m

Sat 24/1010:30 -

Nonstop1h 15m

Deal found 16/8£44

Mon 19/1012:25 -

Nonstop1h 15m

Sat 24/1010:30 -

Nonstop1h 15m

Deal found 16/8£45

Sun 11/1012:35 -

Nonstop1h 15m

Sun 18/1010:50 -

Nonstop1h 15m

Deal found 20/8£46

Sat 10/1012:15 -

Nonstop1h 15m

Sun 18/1010:50 -

Nonstop1h 15m

Deal found 20/8£46

Sat 10/1012:15 -

Nonstop1h 15m

Sun 11/1010:50 -

Nonstop1h 15m

Deal found 17/8£47

Mon 12/1012:25 -

Nonstop1h 15m

Sun 18/1010:50 -

Nonstop1h 15m

Deal found 20/8£48

Sat 19/912:15 -

Nonstop1h 15m

Sun 27/910:50 -

Nonstop1h 15m

Deal found 18/8£50

Sat 10/1012:15 -

Nonstop1h 15m

Sat 17/1010:30 -

Nonstop1h 15m

Deal found 20/8£51

Sun 11/1012:35 -

Nonstop1h 15m

Mon 19/1010:35 -

Nonstop1h 15m

Deal found 20/8£52

Sat 10/1012:15 -

Nonstop1h 15m

Mon 19/1010:35 -

Nonstop1h 15m

Deal found 20/8£53

Mon 12/1012:25 -

Nonstop1h 15m

Mon 19/1010:35 -

Nonstop1h 15m

Deal found 20/8£54

Best flights from Southampton to Northern Ireland
Discover carefully curated flight deals from Southampton to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Sun 18/1012:35 -

Nonstop1h 15m

Sat 24/1010:30 -

Nonstop1h 15m

Deal found 16/8£41

Fri 30/1008:55 -

Nonstop1h 40m

Thu 5/1117:25 -

Nonstop1h 35m

Deal found 18/8£92

Sun 11/1012:35 -

Nonstop1h 15m

Sat 17/1010:30 -

Nonstop1h 15m

Deal found 20/8£50

Mon 12/1012:25 -

Nonstop1h 15m

Sat 17/1010:30 -

Nonstop1h 15m

Deal found 20/8£53

Sun 27/912:35 -

Nonstop1h 15m

Mon 28/910:35 -

Nonstop1h 15m

Deal found 21/8£54

Sat 17/1012:15 -

Nonstop1h 15m

Mon 19/1010:35 -

Nonstop1h 15m

Deal found 16/8£55

Sat 19/912:15 -

Nonstop1h 15m

Sun 20/910:50 -

Nonstop1h 15m

Deal found 17/8£57

Mon 19/1012:25 -

Nonstop1h 15m

Fri 23/1013:35 -

Nonstop1h 15m

Deal found 16/8£57

Mon 14/912:25 -

Nonstop1h 15m

Mon 28/910:35 -

Nonstop1h 15m

Deal found 17/8£60

Mon 14/908:55 -

Nonstop1h 40m

Mon 28/910:25 -

Nonstop1h 40m

Deal found 17/8£232

Sat 10/1012:15 -

Nonstop1h 15m

Fri 16/1010:35 -

Nonstop1h 15m

Deal found 20/8£63

Sat 10/1008:55 -

Nonstop1h 40m

Sun 18/1006:40 -

Nonstop1h 45m

Deal found 20/8£161

Fri 16/1012:20 -

Nonstop1h 15m

Fri 23/1013:35 -

Nonstop1h 15m

Deal found 16/8£83

Mon 19/1012:25 -

Nonstop1h 15m

Thu 22/1013:55 -

1 stop24h 00m

Deal found 16/8£85

Tue 13/1013:25 -

1 stop17h 40m

Sat 17/1010:30 -

Nonstop1h 15m

Deal found 20/8£87

Tue 15/908:55 -

Nonstop1h 40m

Sat 19/910:25 -

Nonstop1h 40m

Deal found 16/8£232

Sat 26/916:45 -

Nonstop1h 35m

Wed 30/917:25 -

Nonstop1h 35m

Deal found 16/8£232

Wed 16/919:30 -

Nonstop1h 35m

Wed 30/917:25 -

Nonstop1h 35m

Deal found 19/8£232

Wed 11/1119:40 -

Nonstop1h 35m

Sat 14/1110:25 -

Nonstop1h 40m

Deal found 16/8£232

Thu 17/908:55 -

Nonstop1h 40m

Thu 24/917:25 -

Nonstop1h 35m

Deal found 20/8£233

Tue 15/908:55 -

Nonstop1h 40m

Tue 22/917:25 -

Nonstop1h 35m

Deal found 18/8£233

Tue 13/1019:30 -

Nonstop1h 35m

Sat 17/1006:40 -

Nonstop1h 45m

Deal found 20/8£233

Find flight deals from Southampton to Northern Ireland

Round-trip from	£41
One-way from	£34
Popular in	July
Cheapest in	January
Average price	£103
Good round-trip deal	£55 or less
Good one-way deal	£62 or less

easyJet
4/10-5/10
Nonstop
2h 30m total
Southampton to Northern Ireland

Search Deals

Aer Lingus
2/9
Nonstop
1h 40m total
Southampton to Northern Ireland

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£19 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 August 2026

Search Deals

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Cheapest return flight

Fastest return journey

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Sun 18/10

12:35-13:50

Nonstop1h 15m

Belfast Intl

Sat 24/10

10:30-11:45

Nonstop1h 15m

£41

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Sun 11/10

12:35-13:50

Nonstop1h 15m

Belfast Intl

Sat 17/10

10:30-11:45

Nonstop1h 15m

£50

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Mon 12/10

12:25-13:40

Nonstop1h 15m

Belfast Intl

Sat 17/10

10:30-11:45

Nonstop1h 15m

£53

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Sun 27/9

12:35-13:50

Nonstop1h 15m

Belfast Intl

Mon 28/9

10:35-11:50

Nonstop1h 15m

£54

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Sat 17/10

12:15-13:30

Nonstop1h 15m

Belfast Intl

Mon 19/10

10:35-11:50

Nonstop1h 15m

£55

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Sat 19/9

12:15-13:30

Nonstop1h 15m

Belfast Intl

Sun 20/9

10:50-12:05

Nonstop1h 15m

£57

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Mon 19/10

12:25-13:40

Nonstop1h 15m

Belfast Intl

Fri 23/10

13:35-14:50

Nonstop1h 15m

£57

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Mon 14/9

12:25-13:40

Nonstop1h 15m

Belfast Intl

Mon 28/9

10:35-11:50

Nonstop1h 15m

£60

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Sat 10/10

12:15-13:30

Nonstop1h 15m

Belfast Intl

Fri 16/10

10:35-11:50

Nonstop1h 15m

£63

SouthamptonBelfast

SOU Southampton Eastleigh - BFS Belfast Intl

SOUBFS

Southampton Eastleigh

Fri 16/10

12:20-13:35

Nonstop1h 15m

Belfast Intl

Fri 23/10

13:35-14:50

Nonstop1h 15m

£83

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 40 resultsSorted by cheapest first

Best time to book a flight from Southampton to Northern Ireland

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

SOU-BFS

SOU-BHD

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 Southampton to Northern Ireland

SOU-GBNIR

SOU-BFS

SOU-BHD

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

Currently, September is the cheapest month in which you can book a flight from Southampton to Northern Ireland (average of £95). Flying from Southampton to Northern Ireland in December is currently the most expensive (average of £159). 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 SOU to NIR?

When flying from Southampton to Northern Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 44% versus a flight at midday.

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

Airfare is below average for this route at the moment.

Southampton to Northern Ireland flights typically cost between £77 and £130 in October.
The cheapest return price found within the last 5 days was £41 on easyJet (4 Oct–5 Oct).

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

The price you pay for your flight from Southampton to Northern Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Northern Ireland

Read through reviews of airlines operating flights from Southampton to Northern Ireland, such as Aer Lingus and easyJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,711 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Aer Lingus

7.3

Good

1,711 reviews

Aer Lingus

7.3

Good

1,711 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

easyJet

6.9

Okay

1,926 reviews

Aer Lingus

7.3

Good

1,711 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

What airport do you fly from for flights from Southampton to Northern Ireland?
Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Northern Ireland. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.
How long is the flight from Southampton to Northern Ireland?
There are many flights that can get you from Southampton to Northern Ireland in 1h 15m. Fly via easyJet or Aer Lingus to get the fastest option. Southampton and Northern Ireland are separated by a distance of 326 mi. Generally, flights for this route are direct.
What are the cheapest flights from Southampton to Northern Ireland?
On average you can expect to pay £66 for a flight from Southampton to Northern Ireland. The cheapest flight overall is £55 while the most popular route, (Southampton Eastleigh - Belfast Intl) is currently priced at £41.
Can I find deals for flights from Southampton to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Southampton to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Northern Ireland.
Can I find deals for business class flights from Southampton to Northern Ireland?
Yes. Cheapflights offers flight deals from Southampton to Northern Ireland 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 Southampton to Northern Ireland?
Currently, September is the cheapest month in which you can book a flight from Southampton to Northern Ireland (average of £95). Flying from Southampton to Northern Ireland in December is currently the most expensive (average of £159). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Northern Ireland

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Top 2 airlines flying from Southampton to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£46	Average£81	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aer Lingus	Cheapest£78	Average£127	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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

Cheapflights helps you search for flights from Southampton to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Northern Ireland from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Northern Ireland from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Northern Ireland from Southampton today and book when prices fit your budget.

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Cheap flights from Southampton to Northern Ireland from £34

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Northern Ireland

Cheapest flights from Southampton to Northern IrelandExplore the most affordable flight options available from Southampton to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Southampton to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Southampton to Northern IrelandDiscover carefully curated flight deals from Southampton to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Southampton to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct flights from Southampton to Northern IrelandExplore direct flight options from Southampton to Northern Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Explore direct flight options from Southampton to Northern Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute flights from Southampton to Northern IrelandDiscover last-minute flight deals from Southampton to Northern Ireland. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to Northern Ireland. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Southampton to Northern IrelandSearch for one-way flight options from Southampton to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Southampton to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Southampton to Northern Ireland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Southampton to Northern Ireland

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

Cheapflights Insights

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

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

Find hourly flight availability from Southampton to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 August 2026.

When flying from Southampton to Northern Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 44% versus a flight at midday.

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

Airfare is below average for this route at the moment.

Southampton to Northern Ireland flights typically cost between £77 and £130 in October.The cheapest return price found within the last 5 days was £41 on easyJet (4 Oct–5 Oct).

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

The price you pay for your flight from Southampton to Northern Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Northern Ireland

Read through reviews of airlines operating flights from Southampton to Northern Ireland, such as Aer Lingus and easyJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Southampton to Northern Ireland?

What are the cheapest flights from Southampton to Northern Ireland?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Northern Ireland

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

Complete your trip

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

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Southampton to Northern Ireland by cabin class

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

Southampton and Northern Ireland flights

Browse other Southampton and Northern Ireland flight options. Last updated on 21 August 2026.

Popular flight searches

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Southampton to Northern Ireland flights

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Top 2 airlines flying from Southampton to Northern Ireland

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

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

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

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

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Travel Smart

Cheapest flights from Southampton to Northern Ireland
Explore the most affordable flight options available from Southampton to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Southampton to Northern Ireland
Discover carefully curated flight deals from Southampton to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct flights from Southampton to Northern Ireland
Explore direct flight options from Southampton to Northern Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute flights from Southampton to Northern Ireland
Discover last-minute flight deals from Southampton to Northern Ireland. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Southampton to Northern Ireland
Search for one-way flight options from Southampton to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Southampton to Northern Ireland flights typically cost between £77 and £130 in October.
The cheapest return price found within the last 5 days was £41 on easyJet (4 Oct–5 Oct).