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Cheap flights from Ireland to Southampton from £41

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SOU
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Southampton

Enter your travel dates to find the best prices.

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 14 July 2026.

Wed 5/806:25
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Wed 12/817:20
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 10/7£91
Thu 27/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Thu 3/909:20
SOU
-
DUB
Nonstop1h 40m
Aer Lingus
Deal found 13/7£95
Thu 6/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Sun 9/817:20
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 10/7£96
Tue 25/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Thu 27/817:20
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 10/7£96
Tue 4/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Tue 25/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 14/7£97
Thu 6/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Wed 19/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 11/7£98
Sat 8/817:50
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Sat 15/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 10/7£99
Tue 28/717:50
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Sat 1/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 13/7£100
Thu 13/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Mon 17/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 10/7£105
Tue 11/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Tue 18/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 12/7£107
Thu 20/807:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Mon 24/820:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Deal found 9/7£109
Tue 25/822:25
ORK
-
SOU
2 stops21h 05m
Multiple Airlines
Fri 28/812:20
SOU
-
ORK
2 stops20h 05m
Multiple Airlines
Deal found 14/7£189

Find flight deals from Ireland to Southampton

Keep the following information in mind while searching for Ireland to Southampton flight deals. Data was last updated 14 July 2026.

Round-trip from

£91

One-way from

£41

Popular in

July

Cheapest in

January

Average price

£101

Good round-trip deal

£119 or less

Good one-way deal

£57 or less
Aer Lingus
  • Aer Lingus
  • 5/8-12/8
  • Nonstop
  • 3h 15m total
  • Ireland to Southampton
Search Deals
Aer Lingus
  • Aer Lingus
  • 15/12
  • 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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Southampton Eastleigh.
Search Deals
Price to beat on a one-way flight from Ireland to Southampton Eastleigh.
Search Deals

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 14 July 2026.
Use the filters below to find and compare flights from Ireland to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Mon 10/8

07:00-08:40

Nonstop1h 40m

Southampton Eastleigh

Mon 17/8

20:00-21:35

Nonstop1h 35m

£124

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 4/8

19:15-10:15

1 stop15h 00m

Southampton Eastleigh

Sun 30/8

20:00-21:35

Nonstop1h 35m

£130

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 13/8

07:00-08:40

Nonstop1h 40m

Southampton Eastleigh

Sun 16/8

09:20-11:00

Nonstop1h 40m

£138

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sun 23/8

06:55-08:35

Nonstop1h 40m

Southampton Eastleigh

Sun 30/8

17:30-08:20

1 stop14h 50m

£141

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 4/8

11:10-17:35

1 stop6h 25m

Southampton Eastleigh

Tue 25/8

18:05-22:25

1 stop4h 20m

£147

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 28/8

07:00-08:40

Nonstop1h 40m

Southampton Eastleigh

Fri 4/9

09:20-11:00

Nonstop1h 40m

£156

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Tue 25/8

08:30-17:45

1 stop9h 15m

Southampton Eastleigh

Fri 28/8

12:20-08:25

2 stops20h 05m

£206

CorkSouthampton

ORK - SOU

ORKSOU

Cork

Thu 27/8

18:30-08:40

2 stops14h 10m

Southampton Eastleigh

Thu 3/9

12:20-08:20

1 stop20h 00m

£225

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 6/8

23:50-11:50

2 stops12h 00m

Southampton Eastleigh

Sun 9/8

12:35-08:45

2 stops20h 10m

£243

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sat 17/10

15:10-16:50

Nonstop1h 40m

Southampton Eastleigh

Sat 24/10

17:20-18:55

Nonstop1h 35m

£244

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 39 resultsSorted by cheapest first
1
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3
4

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 £67). Flying from Ireland to Southampton in October is currently the most expensive (average of £108). 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 14 July 2026.

When flying from 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.

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 14 July 2026.

The most flights from IE0 to SOU are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from Ireland to Southampton delayed?

About 17% of weekly flights between Ireland and Southampton have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for Ireland to Southampton flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Southampton flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

The price you pay for your flight from Ireland to Southampton may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 14 July 2026.
Check out reviews from past customers who have flown with Aer Lingus 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.
Aer Lingus
7.3
Good
1,666 reviews
Check prices

Comfort

7.2

Entertainment

7.0

Food

6.6

Overall

7.3

Crew

8.1

Boarding

7.4

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
Aer Lingus
7.3
Good
1,666 reviews
Aer Lingus
7.3
Good
1,666 reviews
Check prices

Comfort

7.2

Entertainment

7.0

Food

6.6

Overall

7.3

Crew

8.1

Boarding

7.4

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.

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, 58 users have taken a look at flights from Ireland to Southampton Eastleigh.

  • How long is the flight from Ireland to Southampton?

    Departing from Ireland to Southampton will take you 1h 40m. The distance from Ireland to Southampton is about 268 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 (77%), Emerald Airlines (77%) or British Airways (77%) 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 £44. While the most popular route (Dublin - Southampton Eastleigh) can be booked for £95 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 £67). Flying from Ireland to Southampton in October is currently the most expensive (average of £108). 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 Ireland to Southampton

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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 14 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£96Average£149FlexibilityNo 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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