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Cheap flights from Southampton to Ireland from £74

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 23/11. 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
£104Aer Lingus
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£107Aer Lingus
Find Deal
Thu, 11 Dec - Sun, 14 Dec
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£109Aer Lingus
Find Deal
Thu, 11 Dec - Sun, 14 Dec
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£110Aer Lingus
Find Deal
Fri, 6 Feb - Sun, 8 Feb
Aer Lingus Logo
16:05 - 17:40SOU-DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£112Aer Lingus
Find Deal
Mon, 24 Nov - Thu, 27 Nov
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£113Aer Lingus
Find Deal
Mon, 9 Mar - Thu, 12 Mar
Multiple Airlines Logo
12:05 - 21:30SOU-DUB
9h 25m1 stop
Multiple Airlines Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£115Multiple Airlines
Find Deal
Mon, 5 Jan - Thu, 8 Jan
KLM Logo
18:05 - 16:20SOU-DUB
22h 15m1 stop
KLM Logo
17:15 - 08:05DUB-SOU
14h 50m1 stop
£151KLM
Find Deal
Sun, 23 Nov - Thu, 27 Nov
KLM Logo
17:30 - 16:20SOU-DUB
22h 50m1 stop
KLM Logo
05:55 - 08:10DUB-SOU
26h 15m1 stop
£153KLM
Find Deal
Wed, 26 Nov - Sun, 30 Nov
KLM Logo
08:40 - 12:40SOU-DUB
4h 00m1 stop
KLM Logo
08:50 - 17:00DUB-SOU
8h 10m1 stop
£185KLM
Find Deal
Wed, 24 Dec - Wed, 31 Dec

Aer Lingus flights from Southampton to Ireland

Our best Aer Lingus deals on Southampton to Ireland flight tickets
Aer Lingus
18 Nov
SOU16:05Southampton Eastleigh
1h 35m
DUB17:40Dublin
25 Nov
DUB10:10Dublin
1h 45m
SOU11:55Southampton Eastleigh
£103
Find similar
Aer Lingus
8 Dec
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
15 Dec
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
£104
Find similar
Aer Lingus
18 Nov
SOU16:05Southampton Eastleigh
1h 35m
DUB17:40Dublin
25 Nov
DUB13:55Dublin
1h 40m
SOU15:35Southampton Eastleigh
£106
Find similar

KLM flights from Southampton to Ireland

Our best KLM deals on Southampton to Ireland flight tickets
KLM
23 Nov
SOU18:05Southampton Eastleigh
22h 15m
1 stop
DUB16:20Dublin
27 Nov
DUB17:15Dublin
14h 50m
1 stop
SOU08:05Southampton Eastleigh
£151
Find similar
KLM
26 Nov
SOU17:30Southampton Eastleigh
22h 50m
1 stop
DUB16:20Dublin
30 Nov
DUB05:55Dublin
26h 15m
1 stop
SOU08:10Southampton Eastleigh
£153
Find similar
KLM
24 Dec
SOU08:40Southampton Eastleigh
4h 00m
1 stop
DUB12:40Dublin
31 Dec
DUB08:50Dublin
8h 10m
1 stop
SOU17:00Southampton Eastleigh
£185
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 10 November 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

Mon 8/12

20:10-21:50

Nonstop1h 40m

Dublin

Mon 15/12

07:00-08:45

Nonstop1h 45m

£104

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 11/12

20:10-21:50

Nonstop1h 40m

Dublin

Sun 14/12

07:00-08:45

Nonstop1h 45m

£107

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 11/12

20:10-21:50

Nonstop1h 40m

Dublin

Sun 14/12

07:00-08:45

Nonstop1h 45m

£109

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 6/2

20:10-21:50

Nonstop1h 40m

Dublin

Sun 8/2

07:00-08:45

Nonstop1h 45m

£110

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 24/11

16:05-17:40

Nonstop1h 35m

Dublin

Thu 27/11

07:00-08:45

Nonstop1h 45m

£112

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 9/3

20:10-21:50

Nonstop1h 40m

Dublin

Thu 12/3

07:00-08:45

Nonstop1h 45m

£113

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 5/1

12:05-21:30

1 stop9h 25m

Dublin

Thu 8/1

07:00-08:45

Nonstop1h 45m

£115

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 23/11

18:05-16:20

1 stop22h 15m

Dublin

Thu 27/11

17:15-08:05

1 stop14h 50m

£151

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 26/11

17:30-16:20

1 stop22h 50m

Dublin

Sun 30/11

05:55-08:10

1 stop26h 15m

£153

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 24/12

08:40-12:40

1 stop4h 00m

Dublin

Wed 31/12

08:50-17:00

1 stop8h 10m

£185

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 £108. 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 £122.

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 £135. 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 £164. 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 £82. 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 £157. 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 £144 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 £123 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

£82

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from Southampton in the past 72 hours is £82. The best return flight deal from Southampton to Ireland found on momondo in the last 72 hours is £133.
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 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 £26Free CancellationRating
6.8
5,188 reviews
Search Ryanair flights
British AirwaysPriceFrom £73Free CancellationRating
6.7
7,508 reviews
Search British Airways flights
Aer LingusPriceFrom £87Free CancellationRating
7.2
1,366 reviews
Search Aer Lingus flights
KLMPriceFrom £133Free CancellationRating
7.7
1,410 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.

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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