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Cheap flights from Southampton to Ireland from €52

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 10/10. 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

Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40DUB-SOU
1h 40mdirect
€128Aer Lingus
Find Deal
Thu, 25 Sep - Fri, 26 Sep
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€130Aer Lingus
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€131Aer Lingus
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
14:10 - 15:45DUB-SOU
1h 35mdirect
€133Aer Lingus
Find Deal
Thu, 25 Sep - Sat, 27 Sep
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
06:55 - 08:35DUB-SOU
1h 40mdirect
€134Aer Lingus
Find Deal
Fri, 26 Sep - Sun, 28 Sep
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
06:35 - 08:15DUB-SOU
1h 40mdirect
€135Aer Lingus
Find Deal
Fri, 26 Sep - Tue, 30 Sep
Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Logo
08:10 - 18:55DUB-SOU
10h 45m1 stop
€140
Find Deal
Fri, 3 Oct - Fri, 10 Oct
KLM Logo
18:05 - 22:25SOU-ORK
4h 20m1 stop
KLM Logo
17:10 - 08:45ORK-SOU
15h 35m1 stop
€183KLM
Find Deal
Sat, 4 Oct - Sun, 5 Oct
KLM Logo
09:20 - 16:40SOU-DUB
7h 20m1 stop
KLM Logo
05:55 - 17:30DUB-SOU
11h 35m1 stop
€184KLM
Find Deal
Sat, 4 Oct - Sat, 11 Oct
KLM Logo
17:30 - 22:10SOU-DUB
4h 40m1 stop
KLM Logo
05:55 - 08:10DUB-SOU
26h 15m1 stop
€188KLM
Find Deal
Fri, 14 Nov - Sun, 16 Nov

Aer Lingus flights from Southampton to Ireland

Our best Aer Lingus deals on Southampton to Ireland flight tickets
Aer Lingus
25 Sept
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
26 Sept
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
€128
Find similar
Aer Lingus
14 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
16 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€130
Find similar
Aer Lingus
14 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
16 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€130
Find similar

KLM flights from Southampton to Ireland

Our best KLM deals on Southampton to Ireland flight tickets
KLM
4 Oct
SOU18:05Southampton Eastleigh
4h 20m
1 stop
ORK22:25Cork
5 Oct
ORK17:10Cork
15h 35m
1 stop
SOU08:45Southampton Eastleigh
€183
Find similar
KLM
4 Oct
SOU09:20Southampton Eastleigh
7h 20m
1 stop
DUB16:40Dublin
11 Oct
DUB05:55Dublin
11h 35m
1 stop
SOU17:30Southampton Eastleigh
€184
Find similar
KLM
14 Nov
SOU17:30Southampton Eastleigh
4h 40m
1 stop
DUB22:10Dublin
16 Nov
DUB05:55Dublin
26h 15m
1 stop
SOU08:10Southampton Eastleigh
€188
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 13,528 searches. Data last updated 21 August 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

Thu 25/9

20:00-21:35

Nonstop1h 35m

Dublin

Fri 26/9

07:00-08:40

Nonstop1h 40m

€128

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 14/11

20:10-21:50

Nonstop1h 40m

Dublin

Sun 16/11

07:00-08:45

Nonstop1h 45m

€130

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 14/11

20:10-21:50

Nonstop1h 40m

Dublin

Sun 16/11

07:00-08:45

Nonstop1h 45m

€130

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 25/9

20:00-21:35

Nonstop1h 35m

Dublin

Sat 27/9

14:10-15:45

Nonstop1h 35m

€133

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 26/9

20:00-21:35

Nonstop1h 35m

Dublin

Sun 28/9

06:55-08:35

Nonstop1h 40m

€134

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 26/9

20:00-21:35

Nonstop1h 35m

Dublin

Tue 30/9

06:35-08:15

Nonstop1h 40m

€135

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 3/10

20:00-21:35

Nonstop1h 35m

Dublin

Fri 10/10

08:10-18:55

1 stop10h 45m

€140

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Sat 4/10

18:05-22:25

1 stop4h 20m

Cork

Sun 5/10

17:10-08:45

1 stop15h 35m

€183

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 4/10

09:20-16:40

1 stop7h 20m

Dublin

Sat 11/10

05:55-17:30

1 stop11h 35m

€184

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 14/11

17:30-22:10

1 stop4h 40m

Dublin

Sun 16/11

05:55-08:10

1 stop26h 15m

€188

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 February is another great option to travel to Ireland, with average flight prices from Southampton averaging around €141.

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 Thursday when prices can be found for as low as €150. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €1,633. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

In the evening is the cheapest time of day to fly from Southampton to Ireland when you can find flight prices for as low as €142. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €251.

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 €161 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 €134 on momondo.

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

There are 1 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

€1,633

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Ireland

1 airport
The best flight deal from Southampton to Ireland found on momondo in the last 72 hours is €1,633
The fastest flight from Southampton to Ireland takes 1h 35m
Direct flights go from Southampton to Ireland every day.
There is 1 airport near Ireland: 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 were last updated today.

  • 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 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?

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
Aer LingusPriceFrom €121Free CancellationRating
7.1
1,228 reviews
Search Aer Lingus 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?

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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ireland

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Popular flights according to clicks in the last 7 days on momondo
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