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Cheap flights from Northern Ireland to Southampton from £24

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SOU
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Northern Ireland to Southampton

Keep the following information in mind while searching for Northern Ireland to Southampton flight deals. Data was last updated 25 March 2025.

Round-trip from

£54

One-way from

£24

Popular in

July

Cheapest in

January

Average price

£50

Good round-trip deal

£106 or less

Good one-way deal

£43 or less
easyJet
  • easyJet
  • 18/5-22/5
  • Nonstop
  • 2h 35m total
  • Northern Ireland to Southampton
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easyJet
  • easyJet
  • 15/6
  • Nonstop
  • 1h 15m total
  • Northern Ireland to Southampton
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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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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Find flight deals from Northern Ireland to Southampton

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 25 March 2025.

Sun 18/510:10BFS - SOU
Nonstop1h 15measyJet
Thu 22/515:05SOU - BFS
Nonstop1h 20measyJet
Deal found 24/3£54
Tue 1/406:40BHD - SOU
Nonstop1h 45mAer Lingus
Wed 2/408:55SOU - BHD
Nonstop1h 35mAer Lingus
Deal found 24/3£78
Tue 1/418:45BHD - SOU
1 stop13h 45mMultiple Airlines
Wed 2/416:45SOU - BHD
Nonstop1h 35mMultiple Airlines
Deal found 24/3£125
Sun 18/507:15BFS - SOU
2 stops25h 55mMultiple Airlines
Thu 22/515:05SOU - BFS
Nonstop1h 20mMultiple Airlines
Deal found 25/3£131
Thu 27/306:40BHD - SOU
Nonstop1h 45mBritish Airways
Sun 30/313:10SOU - BHD
Nonstop1h 35mBritish Airways
Deal found 24/3£242
Sat 13/906:30BHD - SOU
1 stop10h 30mKLM
Sat 27/909:20SOU - BHD
1 stop11h 55mKLM
Deal found 24/3£331

Cheapflights Fare Finder

Customise your flight search to find flights from Northern Ireland to Southampton 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, Cheapflights users made 858,174 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Northern Ireland to Southampton that are best for you.

Fly from

Northern Ireland

Fly to

Southampton

Route

Depart

Return

Price

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 18/5

10:10-11:25

Nonstop1h 15m

Southampton Eastleigh

Thu 22/5

15:05-16:25

Nonstop1h 20m

£54

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 18/5

07:15-09:10

2 stops25h 55m

Southampton Eastleigh

Thu 22/5

15:05-16:25

Nonstop1h 20m

£131

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 20/6

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sat 28/6

08:55-10:30

Nonstop1h 35m

£170

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 13/9

06:55-15:25

1 stop8h 30m

Southampton Eastleigh

Sat 27/9

08:55-10:30

Nonstop1h 35m

£327

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 13/9

06:30-17:00

1 stop10h 30m

Southampton Eastleigh

Sat 27/9

09:20-21:15

1 stop11h 55m

£331

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 20/6

15:20-09:25

1 stop18h 05m

Southampton Eastleigh

Sat 28/6

19:45-21:15

Nonstop1h 30m

£395

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sun 15/6

10:10-11:25

Nonstop1h 15m

£24

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 1/4

14:40-16:15

Nonstop1h 35m

£39

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Tue 1/4

18:45-08:30

1 stop13h 45m

£81

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Tue 15/4

17:50-08:05

2 stops14h 15m

£111

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 11 results
1
2

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.
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

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

Currently, September is the cheapest month in which you can book a flight from Northern Ireland to Southampton (average of £203). Flying from Northern Ireland to Southampton in November is currently the most expensive (average of £262). 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?

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 25 March 2025.

When flying from Northern Ireland to Southampton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

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.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated 25 March 2025.
Read through reviews of airlines operating flights from Northern Ireland to Southampton, such as KLM, Aer Lingus and easyJet. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,061 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
easyJet
6.9
Okay
1,792 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,712 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

  • What are the cheapest airlines to fly from Northern Ireland to Southampton one-way?

    The cheapest airline one-way is easyJet, with whom users have recently found tickets for as low as £24. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from Northern Ireland to Southampton for a low price.

  • What are the cheapest flights from Northern Ireland to Southampton?

    The cheapest flight price from Northern Ireland to Southampton is £23. On average you can expect to pay £153. The most popular route, (Belfast Intl - Southampton Eastleigh), can usually be booked for £54.

  • 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, September is the cheapest month in which you can book a flight from Northern Ireland to Southampton (average of £203). Flying from Northern Ireland to Southampton in November is currently the most expensive (average of £262). 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

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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.
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Top 2 airlines flying from Northern Ireland to Southampton

Discover the top 2 airlines that operate flights from Northern Ireland to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£48Average£101FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£61Average£107FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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