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Cheap flights from Southampton to Ireland from £50

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Ireland departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:55 - 23:30
SOU
-
DUB
9h 35m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
£106Multiple Airlines
Sat, 21 Feb - Mon, 23 Feb
Multiple Airlines Logo
20:10 - 21:50
SOU
-
DUB
1h 40mdirect
Multiple Airlines Logo
19:05 - 08:50
DUB
-
SOU
13h 45m1 stop
£108Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
Multiple Airlines Logo
17:55 - 22:25
SOU
-
DUB
4h 30m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
£111Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan
Multiple Airlines Logo
19:50 - 07:30
SOU
-
DUB
11h 40m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
£114Multiple Airlines
Fri, 27 Feb - Sun, 1 Mar
Aer Lingus Logo
20:10 - 21:50
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
£115Aer Lingus
Fri, 6 Mar - Sun, 8 Mar
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
£118Aer Lingus
Tue, 14 Apr - Fri, 17 Apr
Multiple Airlines Logo
08:30 - 15:55
SOU
-
DUB
7h 25m1 stop
Multiple Airlines Logo
19:05 - 08:50
DUB
-
SOU
13h 45m1 stop
£119Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
Aer Lingus Logo
09:30 - 11:10
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
10:10 - 11:55
DUB
-
SOU
1h 45mdirect
£120Aer Lingus
Sat, 10 Jan - Wed, 14 Jan
KLM Logo
17:20 - 23:30
SOU
-
ORK
6h 10m1 stop
KLM Logo
17:10 - 08:45
ORK
-
SOU
15h 35m1 stop
£162KLM
Tue, 14 Apr - Fri, 17 Apr
Aer Lingus Logo
16:45 - 10:30
SOU
-
ORK
41h 45m2 stops
Aer Lingus Logo
11:00 - 16:15
ORK
-
SOU
29h 15m2 stops
£478Aer Lingus
Tue, 14 Apr - Fri, 17 Apr

Aer Lingus flights from Southampton to Ireland

Our best Aer Lingus deals on Southampton to Ireland flight tickets
Aer Lingus
6 Mar
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
8 Mar
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
£115
Find similar
Aer Lingus
14 Apr
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
17 Apr
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
£118
Find similar
Aer Lingus
10 Jan
SOU09:30Southampton Eastleigh
1h 40m
DUB11:10Dublin
14 Jan
DUB10:10Dublin
1h 45m
SOU11:55Southampton Eastleigh
£120
Find similar

KLM flights from Southampton to Ireland

Our best KLM deals on Southampton to Ireland flight tickets
KLM
6 Mar
SOU17:35Southampton Eastleigh
4h 35m
1 stop
DUB22:10Dublin
7 Mar
DUB13:25Dublin
19h 25m
1 stop
SOU08:50Southampton Eastleigh
£151
Find similar
KLM
10 Jan
SOU09:25Southampton Eastleigh
6h 55m
1 stop
DUB16:20Dublin
14 Jan
DUB08:50Dublin
8h 15m
1 stop
SOU17:05Southampton Eastleigh
£157
Find similar
KLM
14 Apr
SOU17:20Southampton Eastleigh
6h 10m
1 stop
ORK23:30Cork
17 Apr
ORK17:10Cork
15h 35m
1 stop
SOU08:45Southampton Eastleigh
£162
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 26 December 2025.
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

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 21/2

13:55-23:30

1 stop9h 35m

Dublin

Mon 23/2

07:00-08:45

Nonstop1h 45m

£106

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 9/2

20:10-21:50

Nonstop1h 40m

Dublin

Mon 16/2

19:05-08:50

1 stop13h 45m

£108

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 22/1

17:55-22:25

1 stop4h 30m

Dublin

Thu 29/1

07:00-08:45

Nonstop1h 45m

£111

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 27/2

19:50-07:30

1 stop11h 40m

Dublin

Sun 1/3

07:00-08:45

Nonstop1h 45m

£114

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 6/3

20:10-21:50

Nonstop1h 40m

Dublin

Sun 8/3

07:00-08:45

Nonstop1h 45m

£115

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 14/4

20:00-21:35

Nonstop1h 35m

Dublin

Fri 17/4

07:00-08:40

Nonstop1h 40m

£118

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 9/2

08:30-15:55

1 stop7h 25m

Dublin

Mon 16/2

19:05-08:50

1 stop13h 45m

£119

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 10/1

09:30-11:10

Nonstop1h 40m

Dublin

Wed 14/1

10:10-11:55

Nonstop1h 45m

£120

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Tue 14/4

17:20-23:30

1 stop6h 10m

Cork

Fri 17/4

17:10-08:45

1 stop15h 35m

£162

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Tue 14/4

16:45-10:30

2 stops41h 45m

Cork

Fri 17/4

11:00-16:15

2 stops29h 15m

£478

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Southampton to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of January is, on average, the cheapest month to fly to Ireland from Southampton, with most prices found around £111. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from Southampton to Ireland during February average around £119.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as £129. This is often the case because there is less demand to fly during this day of the week. Flights from Southampton to Ireland on a Saturday will generally be more expensive and average around £163. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

At midday is the cheapest time of day to fly from Southampton to Ireland when you can find flight prices for as low as £80. Flying to Ireland at midday is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the morning, with an average ticket price of £153. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Southampton Eastleigh to Ireland flight route?

Fly from Southampton Eastleigh to Dublin for the best Southampton Eastleigh - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £141 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Southampton for as low as £120 on momondo.

What cabin class options are available on Southampton Eastleigh to Ireland flights?

There are 2 cabin classes available to choose from on Southampton Eastleigh to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Southampton to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Ireland

Best price found

£70

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from Southampton in the past 72 hours is £70. The best return flight deal from Southampton to Ireland found on momondo in the last 72 hours is £121.
The fastest flight from Southampton to Ireland takes 1h 35m
Direct flights go from Southampton to Ireland every day.
There are 77 airports in Ireland. From Southampton there are direct flights to Dublin (DUB).
Search flight deals

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Ireland?

    Prices for flights from Southampton Eastleigh Airport to Ireland refresh daily.

  • How many operators does momondo search for flights from Southampton Eastleigh Airport to Ireland?

  • How old do you have to be to fly from Southampton Eastleigh Airport to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Southampton to Ireland?

Best airlines flying from Southampton to Ireland

Compare and see reviews for airlines that fly from Southampton to Ireland with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £25Free CancellationRating
6.8
5,227 reviews
Search Ryanair flights
British AirwaysPriceFrom £74Free CancellationRating
6.7
7,619 reviews
Search British Airways flights
Aer LingusPriceFrom £86Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
KLMPriceFrom £134Free CancellationRating
7.7
1,434 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southampton to Ireland for you.

Can I find flights from Southampton to Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Southampton to Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Southampton to Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Ireland.

I’m not ready to book a flight from Southampton to Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Southampton to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom £30
Flights to Corkfrom £31
Flights to Shannon, Clarefrom £34
Flights to Knockfrom £30
Flights to Milltown (Kerry)from £34
Flights to Donegalfrom £113