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Cheap flights from Southampton to Ireland from €72

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 8/12. 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.
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€123Aer Lingus
Find Deal
Thu, 6 Nov - Sun, 9 Nov
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€123Aer Lingus
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€125Aer Lingus
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€126Aer Lingus
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Aer Lingus Logo
16:05 - 17:40SOU-DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€127Aer Lingus
Find Deal
Tue, 24 Mar - Thu, 26 Mar
Multiple Airlines Logo
19:55 - 07:30SOU-DUB
11h 35m1 stop
Multiple Airlines Logo
18:00 - 19:40DUB-SOU
1h 40mdirect
€135Multiple Airlines
Find Deal
Mon, 10 Nov - Tue, 11 Nov
Multiple Airlines Logo
19:55 - 07:30SOU-DUB
11h 35m1 stop
Multiple Airlines Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
€139Multiple Airlines
Find Deal
Mon, 17 Nov - Thu, 20 Nov
KLM Logo
18:05 - 23:25SOU-ORK
5h 20m1 stop
KLM Logo
17:15 - 08:05ORK-SOU
14h 50m1 stop
€281KLM
Find Deal
Thu, 27 Nov - Thu, 4 Dec
KLM Logo
18:05 - 23:25SOU-ORK
5h 20m1 stop
KLM Logo
06:00 - 08:10ORK-SOU
26h 10m1 stop
€305KLM
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Thu, 30 Oct - Mon, 3 Nov
British Airways Logo
14:35 - 11:10SOU-ORK
20h 35m3 stops
British Airways Logo
17:35 - 12:05ORK-SOU
42h 30m2 stops
€712British Airways
Find Deal
Thu, 27 Nov - Thu, 4 Dec

Aer Lingus flights from Southampton to Ireland

Our best Aer Lingus deals on Southampton to Ireland flight tickets
Aer Lingus
6 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
9 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€123
Find similar
Aer Lingus
27 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
4 Dec
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€123
Find similar
Aer Lingus
27 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
30 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€125
Find similar

KLM flights from Southampton to Ireland

Our best KLM deals on Southampton to Ireland flight tickets
KLM
28 Oct
SOU08:40Southampton Eastleigh
4h 00m
1 stop
DUB12:40Dublin
31 Oct
DUB08:50Dublin
8h 10m
1 stop
SOU17:00Southampton Eastleigh
€204
Find similar
KLM
19 Oct
SOU09:20Southampton Eastleigh
10h 55m
1 stop
DUB20:15Dublin
22 Oct
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
€265
Find similar
KLM
22 Oct
SOU17:35Southampton Eastleigh
4h 50m
1 stop
DUB22:25Dublin
28 Oct
DUB17:15Dublin
14h 55m
1 stop
SOU08:10Southampton Eastleigh
€278
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 15 October 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 6/11

20:10-21:50

Nonstop1h 40m

Dublin

Sun 9/11

07:00-08:45

Nonstop1h 45m

€123

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 27/11

20:10-21:50

Nonstop1h 40m

Dublin

Thu 4/12

07:00-08:45

Nonstop1h 45m

€123

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 27/11

20:10-21:50

Nonstop1h 40m

Dublin

Sun 30/11

07:00-08:45

Nonstop1h 45m

€125

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 27/11

20:10-21:50

Nonstop1h 40m

Dublin

Thu 4/12

07:00-08:45

Nonstop1h 45m

€126

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 24/3

16:05-17:40

Nonstop1h 35m

Dublin

Thu 26/3

07:00-08:45

Nonstop1h 45m

€127

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 10/11

19:55-07:30

1 stop11h 35m

Dublin

Tue 11/11

18:00-19:40

Nonstop1h 40m

€135

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 17/11

19:55-07:30

1 stop11h 35m

Dublin

Thu 20/11

07:00-08:45

Nonstop1h 45m

€139

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 27/11

18:05-23:25

1 stop5h 20m

Cork

Thu 4/12

17:15-08:05

1 stop14h 50m

€281

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 30/10

18:05-23:25

1 stop5h 20m

Cork

Mon 3/11

06:00-08:10

1 stop26h 10m

€305

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 27/11

14:35-11:10

3 stops20h 35m

Cork

Thu 4/12

17:35-12:05

2 stops42h 30m

€712

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 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 €151. 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 €1,642. 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 €344.

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 €164 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 €138 on momondo.

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

There is only 1 cabin class 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

€1,642

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 €1,642
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 €122Free CancellationRating
7.2
1,339 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

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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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