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Cheap flights from Southampton to Dublin from €58

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 8/1. 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
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Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
16:05 - 17:40
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€121Aer Lingus
Wed, 18 Mar - Sun, 22 Mar
Multiple Airlines Logo
09:20 - 08:45
SOU
-
DUB
23h 25m1 stop
Multiple Airlines Logo
10:10 - 11:55
DUB
-
SOU
1h 45mdirect
€121Multiple Airlines
Tue, 10 Feb - Tue, 17 Feb
Aer Lingus Logo
12:25 - 14:00
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€123Aer Lingus
Wed, 18 Feb - Sun, 22 Feb
Multiple Airlines Logo
20:10 - 21:50
SOU
-
DUB
1h 40mdirect
Multiple Airlines Logo
22:10 - 08:50
DUB
-
SOU
10h 40m1 stop
€126Multiple Airlines
Fri, 20 Feb - Mon, 23 Feb
Multiple Airlines Logo
17:55 - 22:25
SOU
-
DUB
4h 30m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€127Multiple Airlines
Thu, 8 Jan - Mon, 12 Jan
Aer Lingus Logo
09:30 - 11:10
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€129Aer Lingus
Sat, 14 Feb - Sun, 15 Feb
Aer Lingus Logo
09:30 - 11:10
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€130Aer Lingus
Sat, 21 Mar - Thu, 26 Mar
Aer Lingus Logo
20:10 - 21:50
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€131Aer Lingus
Fri, 13 Feb - Sun, 15 Feb
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
07:00 - 08:40
DUB
-
SOU
1h 40mdirect
€133Aer Lingus
Tue, 14 Apr - Thu, 16 Apr
Aer Lingus Logo
20:00 - 21:35
SOU
-
DUB
1h 35mdirect
Aer Lingus Logo
06:55 - 08:35
DUB
-
SOU
1h 40mdirect
€134Aer Lingus
Thu, 9 Apr - Sun, 12 Apr

Aer Lingus flights from Southampton to Dublin

Our best Aer Lingus deals on Southampton to Dublin flight tickets
Aer Lingus
18 Mar
SOU16:05Southampton Eastleigh
1h 35m
DUB17:40Dublin
22 Mar
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€121
Find similar
Aer Lingus
18 Feb
SOU12:25Southampton Eastleigh
1h 35m
DUB14:00Dublin
22 Feb
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€123
Find similar
Aer Lingus
5 Jan
SOU16:05Southampton Eastleigh
1h 35m
DUB17:40Dublin
9 Jan
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€126
Find similar

KLM flights from Southampton to Dublin

Our best KLM deals on Southampton to Dublin flight tickets
KLM
29 Jan
SOU09:00Southampton Eastleigh
23h 05m
1 stop
DUB08:05Dublin
1 Feb
DUB17:15Dublin
15h 35m
1 stop
SOU08:50Southampton Eastleigh
€173
Find similar
KLM
15 Mar
SOU17:45Southampton Eastleigh
4h 25m
1 stop
DUB22:10Dublin
18 Mar
DUB05:55Dublin
26h 25m
1 stop
SOU08:20Southampton Eastleigh
€178
Find similar
KLM
18 Feb
SOU09:25Southampton Eastleigh
12h 45m
1 stop
DUB22:10Dublin
22 Feb
DUB17:15Dublin
15h 05m
1 stop
SOU08:20Southampton Eastleigh
€179
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 13,528 searches. Data last updated 29 December 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

Wed 18/3

16:05-17:40

Nonstop1h 35m

Dublin

Sun 22/3

07:00-08:45

Nonstop1h 45m

€121

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 10/2

09:20-08:45

1 stop23h 25m

Dublin

Tue 17/2

10:10-11:55

Nonstop1h 45m

€121

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 18/2

12:25-14:00

Nonstop1h 35m

Dublin

Sun 22/2

07:00-08:45

Nonstop1h 45m

€123

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 20/2

20:10-21:50

Nonstop1h 40m

Dublin

Mon 23/2

22:10-08:50

1 stop10h 40m

€126

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 8/1

17:55-22:25

1 stop4h 30m

Dublin

Mon 12/1

07:00-08:45

Nonstop1h 45m

€127

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 14/2

09:30-11:10

Nonstop1h 40m

Dublin

Sun 15/2

07:00-08:45

Nonstop1h 45m

€129

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 21/3

09:30-11:10

Nonstop1h 40m

Dublin

Thu 26/3

07:00-08:45

Nonstop1h 45m

€130

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 13/2

20:10-21:50

Nonstop1h 40m

Dublin

Sun 15/2

07:00-08:45

Nonstop1h 45m

€131

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 14/4

20:00-21:35

Nonstop1h 35m

Dublin

Thu 16/4

07:00-08:40

Nonstop1h 40m

€133

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 9/4

20:00-21:35

Nonstop1h 35m

Dublin

Sun 12/4

06:55-08:35

Nonstop1h 40m

€134

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?

If you aren’t able to travel during the month of January, then book flights to Dublin from Southampton during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €136.

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

Our data shows that Monday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €136. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €258. 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?

Our data shows that the cheapest Southampton to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €153. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €262 on average. Flights to Dublin from Southampton at midday 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 €163 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 €137 on momondo.

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

There is only 1 cabin class 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 December 2025, prices for Southampton to Dublin flights are approximately 20% 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

€1,615

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Dublin

1 airport
The best flight deal from Southampton to Dublin found on momondo in the last 72 hours is €1,615
The fastest flight from Southampton to Dublin takes 1h 35m
Direct flights go from Southampton to Dublin every day.
There is 1 airport in Dublin. From Southampton there are direct flights to Dublin (DUB).
Search flight deals

  • How far is Southampton Eastleigh to Dublin by plane?

    The straight-line distance from Southampton Eastleigh to Dublin is 427.7 km. 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 updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Southampton to Dublin?

Travelling to a place near Dublin?

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

Why use momondo?

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

It is quick and easy to find Southampton to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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

Yes. All flights to Dublin from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Dublin.

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

Of course. momondo tracks the price of Southampton to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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