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Cheap flights from Ireland to Southampton from £37

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SOU
20 Jul — 27 Jul1
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 15 July 2025.

Round-trip from

£72

One-way from

£37

Popular in

July

Cheapest in

January

Average price

£104

Good round-trip deal

£143 or less

Good one-way deal

£47 or less
Aer Lingus
  • Aer Lingus
  • 27/8-3/9
  • Nonstop
  • 3h 15m total
  • Ireland to Southampton
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Aer Lingus
  • Aer Lingus
  • 27/8
  • Nonstop
  • 1h 40m total
  • Ireland to Southampton
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in July 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 15 July 2025.

Wed 27/806:25DUB - SOU
Nonstop1h 40mAer Lingus
Wed 3/920:00SOU - DUB
Nonstop1h 35mAer Lingus
Deal found 13/7£72
Wed 27/806:25DUB - SOU
Nonstop1h 40mMultiple Airlines
Wed 3/909:00SOU - DUB
1 stop7h 55mMultiple Airlines
Deal found 12/7£110
Thu 28/806:15ORK - SOU
2 stops13h 15mMultiple Airlines
Thu 4/920:00SOU - ORK
2 stops24h 55mMultiple Airlines
Deal found 14/7£210
Wed 27/817:10ORK - SOU
1 stop15h 35mKLM
Wed 3/909:20SOU - ORK
1 stop13h 05mKLM
Deal found 13/7£306
Wed 30/713:05NOC - SOU
2 stops19h 35mMultiple Airlines
Sun 3/816:35SOU - NOC
2 stops20h 00mMultiple Airlines
Deal found 14/7£681

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 15 July 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

Wed 27/8

06:25-08:05

Nonstop1h 40m

Southampton Eastleigh

Wed 3/9

20:00-21:35

Nonstop1h 35m

£72

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 27/8

06:25-08:05

Nonstop1h 40m

Southampton Eastleigh

Wed 3/9

09:00-16:55

1 stop7h 55m

£110

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 4/9

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Mon 8/9

17:35-22:25

1 stop4h 50m

£176

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Thu 28/8

06:15-19:30

2 stops13h 15m

Southampton Eastleigh

Thu 4/9

20:00-20:55

2 stops24h 55m

£210

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Wed 27/8

17:10-08:45

1 stop15h 35m

Southampton Eastleigh

Wed 3/9

09:20-22:25

1 stop13h 05m

£306

KnockSouthampton

NOC - SOU

NOCSOU

Knock Intl

Wed 30/7

13:05-08:40

2 stops19h 35m

Southampton Eastleigh

Sun 3/8

16:35-12:35

2 stops20h 00m

£681

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 27/8

06:25-08:05

Nonstop1h 40m

£37

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sun 12/10

06:55-16:05

1 stop9h 10m

£88

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 27/8

20:45-08:45

1 stop12h 00m

£92

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 9/1

07:00-08:45

Nonstop1h 45m

£105

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 12 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 15 July 2025.

It’s typically best to fly out from Ireland to Southampton in the morning. Doing so could potentially save you 19% on the flight price compared to flying at midday, which is usually more expensive.

Weekly flight availability from Ireland to Southampton

Explore weekly flight availability from Ireland to Southampton. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 July 2025.

The most flights from IE0 to SOU are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 15 July 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andBritish Airways from Ireland to Southampton to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,165 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,134 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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, 97 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 £37. 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 £29. While the most popular route (Dublin - Southampton Eastleigh) can be booked for £95 on average our data indicates £133 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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£65Average£148FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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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