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Cheap flights from Southampton to Ireland from £55

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DUB
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Ireland

Keep the following information in mind while searching for Southampton to Ireland flight deals. Data was last updated 17 September 2025.

Round-trip from

£95

One-way from

£55

Popular in

December

Cheapest in

January

Average price

£53

Good round-trip deal

£112 or less

Good one-way deal

£92 or less
Aer Lingus
  • Aer Lingus
  • 13/12-16/12
  • Nonstop
  • 3h 20m total
  • Southampton to Ireland
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Aer Lingus
  • Aer Lingus
  • 11/12
  • Nonstop
  • 1h 40m total
  • Southampton to Ireland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Southampton Eastleigh to Ireland.
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Price to beat on a one-way flight from Southampton Eastleigh to Ireland.
Search Deals

Find flight deals from Southampton to Ireland

Cheapest flights from Southampton to Ireland
Explore the most affordable flight options available from Southampton to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Sat 13/1209:30SOU - DUB
Nonstop1h 40mAer Lingus
Wed 17/1213:55DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 15/9£95
Tue 7/1012:25SOU - DUB
1 stop4h 30mMultiple Airlines
Wed 29/1010:10DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 15/9£96
Sat 13/1209:30SOU - DUB
Nonstop1h 40mAer Lingus
Thu 18/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 15/9£97
Sat 13/1209:30SOU - DUB
Nonstop1h 40mAer Lingus
Sun 14/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 15/9£98
Wed 8/1009:00SOU - DUB
1 stop8h 15mMultiple Airlines
Sun 12/1006:55DUB - SOU
Nonstop1h 40mMultiple Airlines
Deal found 15/9£99
Wed 15/1020:00SOU - DUB
Nonstop1h 35mMultiple Airlines
Tue 21/1018:20DUB - SOU
1 stop14h 10mMultiple Airlines
Deal found 14/9£100
Fri 10/1020:00SOU - DUB
Nonstop1h 35mAer Lingus
Sun 12/1006:55DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 14/9£100
Wed 15/1020:00SOU - DUB
Nonstop1h 35mAer Lingus
Sun 19/1006:55DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 15/9£102
Wed 15/1020:00SOU - DUB
Nonstop1h 35mMultiple Airlines
Wed 22/1021:00DUB - SOU
2 stops15h 45mMultiple Airlines
Deal found 15/9£103
Fri 26/920:00SOU - DUB
Nonstop1h 35mAer Lingus
Tue 30/906:35DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 14/9£104
Thu 11/1217:55SOU - DUB
1 stop4h 30mMultiple Airlines
Thu 18/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 15/9£105
Thu 11/1217:55SOU - DUB
1 stop4h 30mMultiple Airlines
Fri 19/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 15/9£106

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Ireland 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 17 September 2025.
Use the filters below to find and compare flights from Southampton to Ireland that are best for you.

Fly from

Southampton

Fly to

Ireland

Route

Depart

Return

Price

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 7/10

12:25-16:55

1 stop4h 30m

Dublin

Wed 29/10

10:10-11:55

Nonstop1h 45m

£96

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 15/10

20:00-21:35

Nonstop1h 35m

Dublin

Wed 22/10

21:00-12:45

2 stops15h 45m

£103

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 29/9

08:05-10:55

1 stop26h 50m

Dublin

Wed 29/10

10:10-11:55

Nonstop1h 45m

£106

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 10/10

20:00-21:35

Nonstop1h 35m

Dublin

Sun 12/10

06:55-08:35

Nonstop1h 40m

£106

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 8/10

09:00-23:20

2 stops14h 20m

Dublin

Sun 12/10

06:55-08:35

Nonstop1h 40m

£128

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 6/10

11:50-00:40

2 stops12h 50m

Dublin

Tue 7/10

06:35-08:15

Nonstop1h 40m

£132

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 13/10

20:30-12:10

2 stops15h 40m

Dublin

Mon 30/3

07:00-08:40

Nonstop1h 40m

£132

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 30/10

18:05-22:10

1 stop4h 05m

Dublin

Thu 6/11

07:00-08:45

Nonstop1h 45m

£133

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 23/10

17:35-22:25

1 stop4h 50m

Dublin

Mon 27/10

07:00-08:45

Nonstop1h 45m

£139

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 29/10

08:40-12:40

1 stop4h 00m

Dublin

Wed 29/10

18:00-19:40

Nonstop1h 40m

£139

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Southampton to Ireland

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

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Ireland (average of £71). Flying from Southampton to Ireland in April is currently the most expensive (average of £92). 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 IE?

Find hourly flight availability from Southampton to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

It’s optimal to fly from Southampton to Ireland in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated 17 September 2025.
Read reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from Southampton to Ireland. 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.
KLM
7.8
Good
1,386 reviews
Check prices

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Aer Lingus
7.2
Good
1,274 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Ryanair
6.8
Okay
5,157 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,363 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Ireland. 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 from for flights from Southampton to Ireland?

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

  • How popular is this Southampton to Ireland flight route?

    The Southampton Eastleigh to Ireland flight path was viewed by 1,477 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Southampton to Ireland?

    Aer Lingus and KLM can get you from Southampton to Ireland in just under 1h 35m. Your travel time can differ by up to 11h 30m. There are 268 mi between Southampton and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    No one likes to see their flight delayed. When booking a flight from Southampton to Ireland consider choosing Qatar Airways (91%), Aer Lingus (74%) or Emerald Airlines (74%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Southampton to Ireland?

    Looking for the cheapest flight from Southampton to Ireland? While on average our users pay £129, our data indicates the cheapest price to be £44. The most popular route (Southampton Eastleigh - Dublin), is priced around £62.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to 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 Ireland?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Ireland (average of £71). Flying from Southampton to Ireland in April is currently the most expensive (average of £92). 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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Top 4 airlines flying from Southampton to Ireland

Discover the top 4 airlines that operate flights from Southampton to Ireland. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£25Average£49FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£70Average£207FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£83Average£137FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£126Average£176FlexibilityNo cancel feeOn-time75%
Search KLM 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 Southampton to Ireland?

Cheapflights helps you search for flights from Southampton to 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 Ireland?

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 Southampton to Ireland.

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

Certainly. Search results for flights to 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 Ireland become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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