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Cheap flights from Southampton to Dublin from €51

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Aer Lingus flights from Southampton to Dublin

Our best Aer Lingus deals on Southampton to Dublin flight tickets
Aer Lingus
16 Sept
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
18 Sept
DUB07:00Dublin
1h 40m
SOU08:40Southampton Eastleigh
€127
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Aer Lingus
14 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
16 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€129
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Aer Lingus
14 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
16 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
€130
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KLM flights from Southampton to Dublin

Our best KLM deals on Southampton to Dublin flight tickets
KLM
20 Sept
SOU18:05Southampton Eastleigh
4h 20m
1 stop
DUB22:25Dublin
30 Sept
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
€183
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KLM
21 Sept
SOU09:20Southampton Eastleigh
13h 05m
1 stop
DUB22:25Dublin
28 Sept
DUB17:20Dublin
15h 25m
1 stop
SOU08:45Southampton Eastleigh
€186
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KLM
24 Oct
SOU17:35Southampton Eastleigh
4h 50m
1 stop
DUB22:25Dublin
27 Oct
DUB13:25Dublin
18h 45m
1 stop
SOU08:10Southampton Eastleigh
€187
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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 €140.

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 €237. 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 €286 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 €160 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 €135 on momondo.

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

There are 1 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 317% 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

€1,622

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 €1,622
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)
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  • 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 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?

    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?

  • 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
Aer LingusPriceFrom €120Free CancellationRating
7.2
1,237 reviews
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  • Aer Lingus Flights From Southampton to Dublin

    The lowest priced Aer Lingus flight from Southampton to Dublin from the last 72 hours was €141. Generally, Aer Lingus has 17 flights on this route every week with an average price of €174. Aer Lingus is rated 7.2/10 by our users.

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
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Maynooth
Arklow
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

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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