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Cheap flights from Ireland to Southampton from £49

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SOU
2 Apr — 9 Apr1
1 adult

Cheap flight deals from Ireland to Southampton

Keep the following information in mind while searching for Ireland to Southampton flight deals. Data was last updated 28 March 2025.

Round-trip from

£57

One-way from

£49

Popular in

May

Cheapest in

January

Average price

£96

Good round-trip deal

£73 or less

Good one-way deal

£32 or less
Aer Lingus
  • Aer Lingus
  • 4/5-7/5
  • Nonstop
  • 3h 15m total
  • Ireland to Southampton
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Aer Lingus
  • Aer Lingus
  • 6/8
  • Nonstop
  • 1h 40m total
  • Ireland to Southampton
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Highest demand for flights based on searches. 15% potential increase in price (£12 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£3 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 Ireland to Southampton Eastleigh.
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Price to beat on a one-way flight from Ireland to Southampton Eastleigh.
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Find flight deals from Ireland to Southampton

Cheapest flights from Ireland to Southampton
Explore the most affordable flight options available from Ireland to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Sun 4/506:55DUB - SOU
Nonstop1h 40mAer Lingus
Wed 7/520:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 27/3£57
Tue 13/518:20DUB - SOU
1 stop14h 10mMultiple Airlines
Fri 16/520:00SOU - DUB
Nonstop1h 35mMultiple Airlines
Deal found 27/3£99
Sun 11/520:45DUB - SOU
1 stop12h 00mKLM
Sun 18/518:25SOU - DUB
1 stop4h 00mKLM
Deal found 26/3£165
Thu 1/514:45DUB - SOU
Nonstop1h 50mBritish Airways
Mon 5/520:00SOU - DUB
Nonstop1h 35mBritish Airways
Deal found 27/3£227
Thu 3/420:55ORK - SOU
2 stops14h 50mMultiple Airlines
Mon 7/417:35SOU - ORK
1 stop5h 55mMultiple Airlines
Deal found 27/3£312
Thu 8/517:10ORK - SOU
1 stop15h 35mKLM
Wed 14/509:20SOU - ORK
1 stop14h 10mKLM
Deal found 27/3£337
Fri 1/813:00DUB - SOU
1 stop19h 05mBlue Islands
Sun 3/820:00SOU - DUB
1 stop16h 20mBlue Islands
Deal found 27/3£385
Sun 11/511:30ORK - SOU
2 stops21h 40mAer Lingus
Sun 18/509:10SOU - ORK
2 stops14h 35mAer Lingus
Deal found 27/3£499

Cheapflights Fare Finder

Customise your flight search to find flights from 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 28 March 2025.
Use the filters below to find and compare flights from Ireland to Southampton that are best for you.

Fly from

Ireland

Fly to

Southampton

Route

Depart

Return

Price

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sun 4/5

06:55-08:35

Nonstop1h 40m

Southampton Eastleigh

Wed 7/5

20:00-21:35

Nonstop1h 35m

£57

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 13/5

18:20-08:30

1 stop14h 10m

Southampton Eastleigh

Fri 16/5

20:00-21:35

Nonstop1h 35m

£99

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sun 11/5

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Sun 18/5

18:25-22:25

1 stop4h 00m

£165

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 1/5

14:45-16:35

Nonstop1h 50m

Southampton Eastleigh

Mon 5/5

20:00-21:35

Nonstop1h 35m

£227

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Thu 8/5

17:10-08:45

1 stop15h 35m

Southampton Eastleigh

Wed 14/5

09:20-23:30

1 stop14h 10m

£337

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sun 11/5

11:30-16:05

1 stop4h 35m

Southampton Eastleigh

Sun 18/5

16:35-11:20

1 stop18h 45m

£346

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 1/8

13:00-08:05

1 stop19h 05m

Southampton Eastleigh

Sun 3/8

20:00-12:20

1 stop16h 20m

£385

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Sun 11/5

11:30-09:10

2 stops21h 40m

Southampton Eastleigh

Sun 18/5

09:10-23:45

2 stops14h 35m

£499

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 6/8

06:25-08:05

Nonstop1h 40m

£49

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 8/5

19:55-18:55

1 stop23h 00m

£70

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 14 results
1
2

Best time to book a flight from Ireland to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from 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 Ireland to Southampton

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

Currently, September is the cheapest month in which you can book a flight from Ireland to Southampton (average of £203). Flying from 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 IE to SOU?

Find hourly flight availability from 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 28 March 2025.

It’s typically best to fly out from Ireland to Southampton in the morning. Doing so could potentially save you 4% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 28 March 2025.
Get a feel of what it's like to fly with KLM, Aer Lingus and British Airways from Ireland to Southampton by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
1,062 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
1,321 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

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 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 Ireland?

    Located just 3.5 mi from the city center, Southampton Eastleigh (SOU) is the airport most travelers will use when flying to Southampton from Ireland.

  • How popular is this Ireland to Southampton flight route?

    Within the past month, 91 users have taken a look at flights from Ireland to Southampton Eastleigh.

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

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £49. However, be on the lookout for offers from KLM and British Airways, as they are both options that can get you from Ireland to Southampton for a low price.

  • What are the most popular routes from Ireland to Southampton?

    While some choose either Cork - Southampton Eastleigh or Knock Intl - Southampton Eastleigh, Dublin - Southampton Eastleigh is the most popular route from Ireland to Southampton.

  • What are the most reliable airlines from Ireland to Southampton?

    No one likes to see their flight delayed. When booking a flight from Ireland to Southampton consider choosing Aer Lingus (0%), Emerald Airlines (0%) or British Airways (0%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ireland to Southampton?

    Looking at all options, your cheapest flight can be booked for £32. While the most popular route (Dublin - Southampton Eastleigh) can be booked for £51 on average our data indicates £93 when flying from Ireland to Southampton.

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

    Yes. In addition to deals on Ireland to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from 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 Ireland to Southampton?

    Currently, September is the cheapest month in which you can book a flight from Ireland to Southampton (average of £203). Flying from 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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Top airline flying from Ireland to Southampton

Discover the top airline that operate flights from 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£64Average£133FlexibilityNo 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 Ireland to Southampton?

When you search for this flight from Ireland to Southampton, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

Certainly. Search results for flights to Southampton from Ireland 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 Ireland to Southampton become cheaper?

Of course! You can now track prices for flights from Ireland to Southampton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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