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Cheap flights from Southampton to Dublin from €55

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 16/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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Multiple Airlines Logo
17:55 - 22:25
SOU
-
DUB
4h 30m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€114Multiple Airlines
Thu, 8 Jan - Thu, 15 Jan
Aer Lingus Logo
09:30 - 11:10
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€115Aer Lingus
Mon, 5 Jan - Fri, 9 Jan
Aer Lingus Logo
20:10 - 21:50
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
18:00 - 19:40
DUB
-
SOU
1h 40mdirect
€122Aer Lingus
Mon, 26 Jan - Fri, 30 Jan
Multiple Airlines Logo
20:10 - 21:50
SOU
-
DUB
1h 40mdirect
Multiple Airlines Logo
06:55 - 11:25
DUB
-
SOU
4h 30m1 stop
€125Multiple Airlines
Fri, 23 Jan - Mon, 26 Jan
Multiple Airlines Logo
17:55 - 22:25
SOU
-
DUB
4h 30m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€126Multiple Airlines
Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
12:05 - 21:30
SOU
-
DUB
9h 25m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€127Multiple Airlines
Mon, 5 Jan - Fri, 9 Jan
Multiple Airlines Logo
17:45 - 00:05
SOU
-
DUB
6h 20m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€130Multiple Airlines
Fri, 9 Jan - Thu, 15 Jan
Multiple Airlines Logo
17:45 - 22:50
SOU
-
DUB
5h 05m1 stop
Multiple Airlines Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€131Multiple Airlines
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
17:55 - 22:25
SOU
-
DUB
4h 30m1 stop
Multiple Airlines Logo
09:05 - 17:20
DUB
-
SOU
8h 15m1 stop
€133Multiple Airlines
Thu, 8 Jan - Thu, 15 Jan
Aer Lingus Logo
09:30 - 11:10
SOU
-
DUB
1h 40mdirect
Aer Lingus Logo
07:00 - 08:45
DUB
-
SOU
1h 45mdirect
€137Aer Lingus
Sat, 21 Mar - Mon, 23 Mar

KLM flights from Southampton to Dublin

Our best KLM deals on Southampton to Dublin flight tickets
KLM
26 Dec
SOU17:30Southampton Eastleigh
4h 40m
1 stop
DUB22:10Dublin
31 Dec
DUB17:15Dublin
15h 05m
1 stop
SOU08:20Southampton Eastleigh
€156
Find similar
KLM
18 Apr
SOU09:15Southampton Eastleigh
7h 25m
1 stop
DUB16:40Dublin
20 Apr
DUB06:00Dublin
10h 50m
1 stop
SOU16:50Southampton Eastleigh
€177
Find similar
KLM
17 Apr
SOU17:20Southampton Eastleigh
15h 00m
1 stop
DUB08:20Dublin
19 Apr
DUB08:55Dublin
23h 40m
1 stop
SOU08:35Southampton Eastleigh
€181
Find similar

Aer Lingus flights from Southampton to Dublin

Our best Aer Lingus deals on Southampton to Dublin flight tickets
Aer Lingus
5 Jan
SOU09:30Southampton Eastleigh
1h 40m
DUB11:10Dublin
9 Jan
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€115
Find similar
Aer Lingus
26 Jan
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
30 Jan
DUB18:00Dublin
1h 40m
SOU19:40Southampton Eastleigh
€122
Find similar
Aer Lingus
21 Mar
SOU09:30Southampton Eastleigh
1h 40m
DUB11:10Dublin
23 Mar
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€137
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 12 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

Thu 8/1

17:55-22:25

1 stop4h 30m

Dublin

Thu 15/1

07:00-08:45

Nonstop1h 45m

€114

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 5/1

09:30-11:10

Nonstop1h 40m

Dublin

Fri 9/1

07:00-08:45

Nonstop1h 45m

€115

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 26/1

20:10-21:50

Nonstop1h 40m

Dublin

Fri 30/1

18:00-19:40

Nonstop1h 40m

€122

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 23/1

20:10-21:50

Nonstop1h 40m

Dublin

Mon 26/1

06:55-11:25

1 stop4h 30m

€125

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

€126

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 5/1

12:05-21:30

1 stop9h 25m

Dublin

Fri 9/1

07:00-08:45

Nonstop1h 45m

€127

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 9/1

17:45-00:05

1 stop6h 20m

Dublin

Thu 15/1

07:00-08:45

Nonstop1h 45m

€130

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 9/1

17:45-22:50

1 stop5h 05m

Dublin

Sun 11/1

07:00-08:45

Nonstop1h 45m

€131

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 8/1

17:55-22:25

1 stop4h 30m

Dublin

Thu 15/1

09:05-17:20

1 stop8h 15m

€133

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 21/3

09:30-11:10

Nonstop1h 40m

Dublin

Mon 23/3

07:00-08:45

Nonstop1h 45m

€137

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 €137.

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

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €144. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €309. 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 €155. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €263 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 €162 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 €138 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

€1,623

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 €1,623
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
Cavan
Swords
Dundalk
Tullamore
Kildare
Enniscorthy
Bray
Naas
Mullingar
Carlingford
Arklow
Maynooth
Gorey
Malahide
Leixlip
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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