Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Southampton to Ireland from £40

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Southampton to Ireland

Cheap return flights

Aer Lingus Logo
09:30 - 11:10SOU-DUB
1h 40mdirect
Aer Lingus Logo
13:55 - 15:35DUB-SOU
1h 40mdirect
£95Aer Lingus
Find Deal
Sat, 13 Dec - Wed, 17 Dec
Logo
12:25 - 16:55SOU-DUB
4h 30m1 stop
Logo
10:10 - 11:55DUB-SOU
1h 45mdirect
£96
Find Deal
Tue, 7 Oct - Wed, 29 Oct
Aer Lingus Logo
09:30 - 11:10SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£97Aer Lingus
Find Deal
Sat, 13 Dec - Mon, 15 Dec
Aer Lingus Logo
09:30 - 11:10SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£98Aer Lingus
Find Deal
Sat, 13 Dec - Sun, 14 Dec
Logo
09:00 - 17:15SOU-DUB
8h 15m1 stop
Logo
06:55 - 08:35DUB-SOU
1h 40mdirect
£99
Find Deal
Wed, 8 Oct - Sun, 12 Oct
Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Logo
18:20 - 08:30DUB-SOU
14h 10m1 stop
£100
Find Deal
Wed, 15 Oct - Tue, 21 Oct
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
06:55 - 08:35DUB-SOU
1h 40mdirect
£101Aer Lingus
Find Deal
Fri, 10 Oct - Sun, 12 Oct
KLM Logo
17:30 - 16:20SOU-DUB
22h 50m1 stop
KLM Logo
13:25 - 08:50DUB-SOU
19h 25m1 stop
£162KLM
Find Deal
Fri, 13 Feb - Mon, 16 Feb
KLM Logo
09:20 - 22:25SOU-ORK
13h 05m1 stop
KLM Logo
17:10 - 08:45ORK-SOU
15h 35m1 stop
£191KLM
Find Deal
Sun, 12 Oct - Sun, 19 Oct
KLM Logo
18:05 - 23:25SOU-ORK
5h 20m1 stop
KLM Logo
06:00 - 08:05ORK-SOU
26h 05m1 stop
£233KLM
Find Deal
Thu, 30 Oct - Thu, 6 Nov

Aer Lingus flights from Southampton to Ireland

Our best Aer Lingus deals on Southampton to Ireland flight tickets
Aer Lingus
13 Dec
SOU09:30Southampton Eastleigh
1h 40m
DUB11:10Dublin
17 Dec
DUB13:55Dublin
1h 40m
SOU15:35Southampton Eastleigh
£95
Find similar
Aer Lingus
13 Dec
SOU09:30Southampton Eastleigh
1h 40m
DUB11:10Dublin
15 Dec
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
£97
Find similar
Aer Lingus
13 Dec
SOU09:30Southampton Eastleigh
1h 40m
DUB11:10Dublin
14 Dec
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
£98
Find similar

KLM flights from Southampton to Ireland

Our best KLM deals on Southampton to Ireland flight tickets
KLM
13 Feb
SOU17:30Southampton Eastleigh
22h 50m
1 stop
DUB16:20Dublin
16 Feb
DUB13:25Dublin
19h 25m
1 stop
SOU08:50Southampton Eastleigh
£162
Find similar
KLM
26 Sept
SOU17:35Southampton Eastleigh
4h 50m
1 stop
DUB22:25Dublin
29 Sept
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
£191
Find similar
KLM
12 Oct
SOU09:20Southampton Eastleigh
13h 05m
1 stop
ORK22:25Cork
19 Oct
ORK17:10Cork
15h 35m
1 stop
SOU08:45Southampton Eastleigh
£191
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 16 September 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 13/12

09:30-11:10

Nonstop1h 40m

Dublin

Wed 17/12

13:55-15:35

Nonstop1h 40m

£95

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 7/10

12:25-16:55

1 stop4h 30m

Dublin

Wed 29/10

10:10-11:55

Nonstop1h 45m

£96

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 13/12

09:30-11:10

Nonstop1h 40m

Dublin

Mon 15/12

07:00-08:45

Nonstop1h 45m

£97

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 13/12

09:30-11:10

Nonstop1h 40m

Dublin

Sun 14/12

07:00-08:45

Nonstop1h 45m

£98

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 8/10

09:00-17:15

1 stop8h 15m

Dublin

Sun 12/10

06:55-08:35

Nonstop1h 40m

£99

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 15/10

20:00-21:35

Nonstop1h 35m

Dublin

Tue 21/10

18:20-08:30

1 stop14h 10m

£100

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 10/10

20:00-21:35

Nonstop1h 35m

Dublin

Sun 12/10

06:55-08:35

Nonstop1h 40m

£101

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 13/2

17:30-16:20

1 stop22h 50m

Dublin

Mon 16/2

13:25-08:50

1 stop19h 25m

£162

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Sun 12/10

09:20-22:25

1 stop13h 05m

Cork

Sun 19/10

17:10-08:45

1 stop15h 35m

£191

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Thu 30/10

18:05-23:25

1 stop5h 20m

Cork

Thu 6/11

06:00-08:05

1 stop26h 05m

£233

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £106. 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 £121.

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 £140. 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 Sunday will generally be more expensive and average around £160. 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 £79. 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 £154. 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 £139 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 £118 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

£92

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 £92. The best return flight deal from Southampton to Ireland found on momondo in the last 72 hours is £112.
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 £25Free CancellationRating
6.8
5,155 reviews
Search Ryanair flights
British AirwaysPriceFrom £71Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Aer LingusPriceFrom £83Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
KLMPriceFrom £126Free CancellationRating
7.8
1,385 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 16/10
Thu 23/10
By creating a price alert you accept our terms of use and privacy policy.

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 £28
Flights to Corkfrom £32
Flights to Shannon, Clarefrom £28
Flights to Knockfrom £31
Flights to Milltown (Kerry)from £32
Flights to Donegalfrom £114