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Cheap flights from Southampton to Ireland from £47

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DUB
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Ireland

Enter your travel dates to find the best prices.

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 10 March 2026.

Tue 21/420:00
SOU
-
DUB
Nonstop1h 35m
Multiple Airlines
Tue 28/419:15
DUB
-
SOU
1 stop16h 45m
Multiple Airlines
Deal found 7/3£112
Mon 20/419:20
SOU
-
DUB
1 stop14h 00m
Multiple Airlines
Mon 27/407:00
DUB
-
SOU
Nonstop1h 40m
Multiple Airlines
Deal found 6/3£115
Sun 22/309:30
SOU
-
DUB
Nonstop1h 40m
Aer Lingus
Wed 25/310:10
DUB
-
SOU
Nonstop1h 45m
Aer Lingus
Deal found 8/3£116
Mon 20/420:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Mon 27/407:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 6/3£117
Sun 19/417:20
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Sun 26/406:55
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 5/3£118
Mon 30/320:00
SOU
-
DUB
Nonstop1h 35m
Multiple Airlines
Tue 31/306:55
DUB
-
SOU
1 stop5h 55m
Multiple Airlines
Deal found 7/3£119
Thu 26/320:10
SOU
-
DUB
Nonstop1h 40m
Aer Lingus
Tue 31/307:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 7/3£120
Mon 6/417:20
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Mon 13/407:00
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 9/3£121
Wed 25/316:05
SOU
-
DUB
Nonstop1h 35m
Multiple Airlines
Tue 31/306:55
DUB
-
SOU
1 stop5h 55m
Multiple Airlines
Deal found 9/3£122
Sat 11/420:00
SOU
-
DUB
Nonstop1h 35m
Multiple Airlines
Sat 18/420:20
DUB
-
SOU
1 stop11h 35m
Multiple Airlines
Deal found 6/3£123
Fri 3/420:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Thu 18/617:50
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 6/3£124
Sat 4/420:00
SOU
-
DUB
Nonstop1h 35m
Aer Lingus
Thu 18/617:50
DUB
-
SOU
Nonstop1h 40m
Aer Lingus
Deal found 6/3£124

Find flight deals from Southampton to Ireland

Keep the following information in mind while searching for Southampton to Ireland flight deals. Data was last updated 10 March 2026.

Round-trip from

£112

One-way from

£47

Popular in

December

Cheapest in

January

Average price

£74

Good round-trip deal

£128 or less

Good one-way deal

£90 or less
21/4-28/4
  • 21/4-28/4
  • 1 total stop
  • 18h 20m total
  • Southampton to Ireland
Search Deals
Aer Lingus
  • Aer Lingus
  • 15/4
  • Nonstop
  • 1h 35m total
  • Southampton to Ireland
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Southampton Eastleigh to Ireland.
Search Deals
Price to beat on a one-way flight from Southampton Eastleigh to Ireland.
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Tue 21/4

18:10-08:45

1 stop14h 35m

Cork

Tue 28/4

08:15-12:00

2 stops27h 45m

£141

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Tue 12/5

18:10-08:45

1 stop14h 35m

Cork

Wed 20/5

17:15-07:25

2 stops38h 10m

£152

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Mon 20/4

20:40-17:05

1 stop20h 25m

Cork

Mon 27/4

20:55-12:00

2 stops39h 05m

£154

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 23/4

09:25-20:35

2 stops11h 10m

Cork

Thu 30/4

14:15-08:45

2 stops18h 30m

£160

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 9/4

06:50-16:55

1 stop10h 05m

Cork

Sun 12/4

21:40-11:50

2 stops14h 10m

£182

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 24/4

17:20-22:25

1 stop5h 05m

Dublin

Fri 1/5

05:55-16:50

1 stop10h 55m

£185

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 4/6

08:55-18:05

2 stops9h 10m

Cork

Sun 7/6

23:10-11:50

2 stops12h 40m

£205
Fastest return journey

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 3/4

20:00-21:35

Nonstop1h 35m

Dublin

Mon 6/4

07:00-08:40

Nonstop1h 40m

£225

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 9/4

20:00-21:35

Nonstop1h 35m

Dublin

Mon 13/4

17:50-19:30

Nonstop1h 40m

£225

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 6/4

20:00-21:35

Nonstop1h 35m

Dublin

Wed 8/4

06:25-08:05

Nonstop1h 40m

£225

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 27 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from Southampton to Ireland (average of £22). Flying from Southampton to Ireland in August is currently the most expensive (average of £32). 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 10 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Ireland as you normally would.

Weekly flight availability from Southampton to Ireland

Explore weekly flight availability from Southampton to Ireland. 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 10 March 2026.

The most flights from SOU to IE0 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 10 March 2026.
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
1,468 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,468 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Aer Lingus
7.2
Good
1,473 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Ryanair
6.9
Okay
5,290 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,781 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Overall

7.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 1,201 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?

    KLM and British Airways can get you from Southampton to Ireland in just under 1h 35m. Your travel time can differ by up to 3h 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 (88%) or Emerald Airlines (88%) 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 £136, our data indicates the cheapest price to be £46. The most popular route (Southampton Eastleigh - Dublin), is priced around £99.

  • 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, March is the cheapest month in which you can book a flight from Southampton to Ireland (average of £22). Flying from Southampton to Ireland in August is currently the most expensive (average of £32). 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£33Average£52FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£88Average£141FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£103Average£213FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£141Average£155FlexibilityNo 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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