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Cheap flights from Southampton to Ireland from €44

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 25/5. 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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0 bags
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Find the cheapest flights from Southampton to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€77Aer Lingus
Thu, 21 May - Tue, 26 May
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€78Aer Lingus
Thu, 21 May - Tue, 26 May
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€79Aer Lingus
Thu, 21 May - Tue, 26 May
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
06:05 - 07:40
DUB
-
SOU
1h 35mdirect
€80Aer Lingus
Fri, 5 Jun - Wed, 10 Jun
Aer Lingus Logo
17:20 - 18:55
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€81Aer Lingus
Fri, 5 Jun - Mon, 15 Jun
Aer Lingus Logo
17:20 - 18:55
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€82Aer Lingus
Fri, 5 Jun - Mon, 8 Jun
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€84Aer Lingus
Wed, 20 May - Fri, 22 May
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
15:10 - 16:50
DUB
-
SOU
1h 40mdirect
€85Aer Lingus
Fri, 5 Jun - Mon, 8 Jun
Multiple Airlines Logo
20:00 - 18:05
SOU
-
ORK
22h 05m
2 stops
Multiple Airlines Logo
14:05 - 08:35
ORK
-
SOU
18h 30m
2 stops
€172Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
20:00 - 18:05
SOU
-
ORK
22h 05m
2 stops
Multiple Airlines Logo
14:05 - 08:35
ORK
-
SOU
18h 30m
2 stops
€174Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun

Aer Lingus flights from Southampton to Ireland

Our best Aer Lingus deals on Southampton to Ireland flight tickets
Aer Lingus
21 May
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
26 May
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
€77
Aer Lingus
21 May
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
26 May
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
€78
Aer Lingus
16 May
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
23 May
DUB17:50Dublin
1h 40m
SOU19:30Southampton Eastleigh
€79

KLM flights from Southampton to Ireland

Our best KLM deals on Southampton to Ireland flight tickets
KLM
7 Jul
SOU09:15Southampton Eastleigh
23h 05m
1 stop
DUB08:20Dublin
13 Jul
DUB11:10Dublin
21h 35m
1 stop
SOU08:45Southampton Eastleigh
€144
KLM
26 May
SOU17:20Southampton Eastleigh
17h 00m
1 stop
ORK10:20Cork
27 May
ORK17:10Cork
15h 25m
1 stop
SOU08:35Southampton Eastleigh
€535
KLM
6 Jun
SOU17:20Southampton Eastleigh
5h 15m
1 stop
ORK22:35Cork
8 Jun
ORK10:50Cork
21h 45m
1 stop
SOU08:35Southampton Eastleigh
€567

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 13,528 searches. Data last updated 10 May 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

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 21/5

20:00-21:35

Nonstop1h 35m

Dublin

Tue 26/5

07:00-08:40

Nonstop1h 40m

€77

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 21/5

20:00-21:35

Nonstop1h 35m

Dublin

Tue 26/5

07:00-08:40

Nonstop1h 40m

€78

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 21/5

20:00-21:35

Nonstop1h 35m

Dublin

Tue 26/5

07:00-08:40

Nonstop1h 40m

€79
Fastest return journey

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 5/6

20:00-21:35

Nonstop1h 35m

Dublin

Wed 10/6

06:05-07:40

Nonstop1h 35m

€80

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 5/6

17:20-18:55

Nonstop1h 35m

Dublin

Mon 15/6

07:00-08:40

Nonstop1h 40m

€81

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 5/6

17:20-18:55

Nonstop1h 35m

Dublin

Mon 8/6

07:00-08:40

Nonstop1h 40m

€82

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 20/5

20:00-21:35

Nonstop1h 35m

Dublin

Fri 22/5

07:00-08:40

Nonstop1h 40m

€84

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 5/6

20:00-21:35

Nonstop1h 35m

Dublin

Mon 8/6

15:10-16:50

Nonstop1h 40m

€85

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Wed 10/6

20:00-18:05

2 stops22h 05m

Cork

Wed 17/6

14:05-08:35

2 stops18h 30m

€172

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Wed 10/6

20:00-18:05

2 stops22h 05m

Cork

Wed 17/6

14:05-08:35

2 stops18h 30m

€174

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 August is another great option to travel to Ireland, with average flight prices from Southampton averaging around €39.

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 from Southampton 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 €170 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 €143 on momondo.

Cheap Southampton to Ireland flight deals and tips

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

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Ireland

77 airports
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

Frequently asked questions about flying from Southampton to Ireland

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

    Prices for flights from Southampton Eastleigh Airport to Ireland were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Southampton Eastleigh Airport to Ireland.

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

    The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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?

Flights from Southampton to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Of course. momondo tracks the price of Southampton to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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 €38
Flights to Corkfrom €86
Flights to Shannon, Clarefrom €82
Flights to Milltown (Kerry)from €38
Flights to Donegalfrom €73