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Cheap flights from Southampton to Dublin from £67

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 Dublin 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
06:25 - 08:05DUB-SOU
1h 40mdirect
£87Aer Lingus
Find Deal
Thu, 28 Aug - Wed, 3 Sep
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
06:35 - 08:15DUB-SOU
1h 40mdirect
£89Aer Lingus
Find Deal
Thu, 11 Sep - Tue, 16 Sep
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
07:30 - 09:10DUB-SOU
1h 40mdirect
£107Aer Lingus
Find Deal
Thu, 11 Sep - Mon, 15 Sep
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
06:25 - 08:05DUB-SOU
1h 40mdirect
£110Aer Lingus
Find Deal
Wed, 27 Aug - Wed, 3 Sep
Logo
21:30 - 22:50SOU-DUB
25h 20m1 stop
Logo
07:00 - 08:40DUB-SOU
1h 40mdirect
£111
Find Deal
Sun, 31 Aug - Thu, 4 Sep
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
£112Aer Lingus
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
Aer Lingus Logo
06:55 - 08:35DUB-SOU
1h 40mdirect
£113Aer Lingus
Find Deal
Fri, 10 Oct - Sun, 12 Oct
KLM Logo
18:25 - 22:25SOU-DUB
4h 00m1 stop
KLM Logo
20:45 - 08:45DUB-SOU
12h 00m1 stop
£157KLM
Find Deal
Sun, 31 Aug - Tue, 9 Sep
KLM Logo
18:25 - 22:25SOU-DUB
4h 00m1 stop
KLM Logo
20:45 - 08:45DUB-SOU
12h 00m1 stop
£158KLM
Find Deal
Sun, 31 Aug - Tue, 9 Sep
KLM Logo
18:25 - 22:25SOU-DUB
4h 00m1 stop
KLM Logo
20:45 - 08:45DUB-SOU
12h 00m1 stop
£159KLM
Find Deal
Sun, 31 Aug - Tue, 9 Sep

Aer Lingus flights from Southampton to Dublin

Our best Aer Lingus deals on Southampton to Dublin flight tickets
Aer Lingus
28 Aug
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
3 Sept
DUB06:25Dublin
1h 40m
SOU08:05Southampton Eastleigh
£87
Find similar
Aer Lingus
11 Sept
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
16 Sept
DUB06:35Dublin
1h 40m
SOU08:15Southampton Eastleigh
£89
Find similar
Aer Lingus
11 Sept
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
15 Sept
DUB07:30Dublin
1h 40m
SOU09:10Southampton Eastleigh
£107
Find similar

British Airways flights from Southampton to Dublin

Our best British Airways deals on Southampton to Dublin flight tickets
British Airways
7 Aug
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
14 Aug
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
£269
Find similar
British Airways
7 Aug
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
15 Aug
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
£293
Find similar
British Airways
8 Aug
SOU09:40Southampton Eastleigh
1h 40m
DUB11:20Dublin
14 Aug
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
£300
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Dublin 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 1 August 2025.
Use the filters below to find and compare flights from Southampton to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 28/8

20:00-21:35

Nonstop1h 35m

Dublin

Wed 3/9

06:25-08:05

Nonstop1h 40m

£87

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 11/9

20:00-21:35

Nonstop1h 35m

Dublin

Tue 16/9

06:35-08:15

Nonstop1h 40m

£89

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 11/9

20:00-21:35

Nonstop1h 35m

Dublin

Mon 15/9

07:30-09:10

Nonstop1h 40m

£107

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 27/8

20:00-21:35

Nonstop1h 35m

Dublin

Wed 3/9

06:25-08:05

Nonstop1h 40m

£110

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 31/8

21:30-22:50

1 stop25h 20m

Dublin

Thu 4/9

07:00-08:40

Nonstop1h 40m

£111

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 21/11

20:10-21:50

Nonstop1h 40m

Dublin

Sun 23/11

07:00-08:45

Nonstop1h 45m

£112

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

£113

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 31/8

18:25-22:25

1 stop4h 00m

Dublin

Tue 9/9

20:45-08:45

1 stop12h 00m

£157

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 31/8

18:25-22:25

1 stop4h 00m

Dublin

Tue 9/9

20:45-08:45

1 stop12h 00m

£158

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 31/8

18:25-22:25

1 stop4h 00m

Dublin

Tue 9/9

20:45-08:45

1 stop12h 00m

£159

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 Dublin from

How to get the cheapest flight ticket from Southampton to Dublin

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 Dublin?

In general, January is the cheapest month to fly from Southampton to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £108. If you aren’t able to travel to Dublin during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £122.

What is the cheapest day to depart on your flight to Dublin?

On average, the least expensive day to fly to Dublin from Southampton is on a Saturday. momondo users have found tickets for Saturday departures for as low as £98. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £130. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Flying to Dublin from Southampton in the evening is the least expensive time of day to depart. momondo users have found prices as low as £90 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £120 on average. Flights to Dublin from Southampton in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Southampton Eastleigh to Dublin flight route?

Fly from Southampton Eastleigh to Dublin for the best Southampton Eastleigh - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around £140 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Southampton for as low as £119 on momondo.

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

There are 2 cabin classes available to choose from on Southampton Eastleigh to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Southampton to Dublin flight prices changed over time?

As of August 2025, prices for Southampton to Dublin flights are approximately 294% more expensive when compared to flights at the same time last year.

When to book flights from Southampton to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to Dublin (SOU to DUB) flight deals and tips

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

Best price found

£67

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Southampton in the past 72 hours is £67. The best return flight deal from Southampton to Dublin found on momondo in the last 72 hours is £87.
The fastest flight from Southampton to Dublin takes 1h 35m
Direct flights go from Southampton to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Southampton Eastleigh to Dublin by plane?

    The distance between Southampton Eastleigh and Dublin is about 265.7 mi. By plane, this route typically takes 1h 35m.

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

    Prices for flights from Southampton Eastleigh Airport to Dublin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Southampton Eastleigh Airport to Dublin Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport 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 Dublin Airport. 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 Dublin?

  • What is the most popular airline from Southampton to Dublin?

Best airlines flying from Southampton to Dublin

Compare and see reviews for airlines that fly from Southampton to Dublin with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £26Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights
British AirwaysPriceFrom £72Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Aer LingusPriceFrom £83Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
KLMPriceFrom £129Free CancellationRating
7.8
1,383 reviews
Search KLM flights

  • Aer Lingus Flights From Southampton to Dublin

    Aer Lingus flies from Southampton to Dublin around 15 times per week, with 1,192 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from Southampton to Dublin in the last 72 hours was £110 (round-trip), much lower than the average airfare cost of £184 for Aer Lingus flights on this route.

  • British Airways Flights From Southampton to Dublin

    The best British Airways deal for Southampton to Dublin flight tickets found on momondo in the last 72 hours was £95, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £282 round-trip. British Airways operates 15 flights out of Southampton into Dublin in an average week, so prices vary by time and availability. 7,222 British Airways reviews by users on momondo have scored the airline at 6.6/10.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Kilkenny
Dundalk
Bray
Cavan
Athlone
Carlingford
Malahide
Kildare
Wicklow
Drogheda
Arklow
Mullingar
Enniscorthy
Gorey
Portmarnock
Naas
Tullamore
Leixlip
Maynooth

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Dublin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from Southampton.

Can I find flights from Southampton to Dublin with flexible booking policies on momondo?

momondo does allow users to show only those flights to Dublin from Southampton which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Southampton to Dublin?

momondo helps you find the best flight between Southampton and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Southampton to Dublin right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Southampton to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Dublin trip

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