Cheap Flights from Southampton to Dublin from $203

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Find the cheapest month or even day of the year to fly to Dublin

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Flight deals from Southampton to Dublin

Looking for a cheap last-minute deal or the best return flight from Southampton Airport to Dublin Airport? If you want to travel next month, return fares start from $235. Find the lowest prices on one-way and return tickets right here.

Dublin.$203 per passenger.Departing Thu, 30 Jul, returning Thu, 6 Aug.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 30 Jul, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 6 Aug, arriving in Southampton.Price includes taxes and charges.From $203, select.

Dublin.$235 per passenger.Departing Tue, 21 Jul, returning Thu, 23 Jul.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Tue, 21 Jul, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 23 Jul, arriving in Southampton.Price includes taxes and charges.From $235, select.

Dublin.$236 per passenger.Departing Sat, 5 Sep, returning Sun, 6 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Sat, 5 Sep, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Sun, 6 Sep, arriving in Southampton.Price includes taxes and charges.From $236, select.

Dublin.$239 per passenger.Departing Sat, 29 Aug, returning Sat, 29 Aug.Return flight with easyJet and Aer Lingus.Outbound indirect flight with easyJet, departs from Southampton on Sat, 29 Aug, arriving in Dublin.Inbound indirect flight with Aer Lingus, departs from Dublin on Sat, 29 Aug, arriving in Southampton.Price includes taxes and charges.From $239, select.

Dublin.$242 per passenger.Departing Sat, 1 Aug, returning Sat, 8 Aug.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Sat, 1 Aug, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Sat, 8 Aug, arriving in Southampton.Price includes taxes and charges.From $242, select.

Dublin.$245 per passenger.Departing Fri, 28 Aug, returning Thu, 3 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Fri, 28 Aug, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 3 Sep, arriving in Southampton.Price includes taxes and charges.From $245, select.

Dublin.$252 per passenger.Departing Thu, 22 Oct, returning Mon, 26 Oct.Return flight with easyJet and Aer Lingus.Outbound indirect flight with easyJet, departs from Southampton on Thu, 22 Oct, arriving in Dublin.Inbound indirect flight with Aer Lingus, departs from Dublin on Mon, 26 Oct, arriving in Southampton.Price includes taxes and charges.From $252, select.

Dublin.$257 per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 8 Oct, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 12 Oct, arriving in Southampton.Price includes taxes and charges.From $257, select.

Dublin.$258 per passenger.Departing Tue, 29 Sep, returning Thu, 1 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Tue, 29 Sep, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 1 Oct, arriving in Southampton.Price includes taxes and charges.From $258, select.

Dublin.$259 per passenger.Departing Mon, 19 Oct, returning Mon, 30 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Mon, 19 Oct, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 30 Nov, arriving in Southampton.Price includes taxes and charges.From $259, select.

Dublin.$267 per passenger.Departing Thu, 12 Nov, returning Mon, 16 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 12 Nov, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 16 Nov, arriving in Southampton.Price includes taxes and charges.From $267, select.

Dublin.$267 per passenger.Departing Wed, 3 Feb, returning Mon, 8 Feb.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Wed, 3 Feb, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 8 Feb, arriving in Southampton.Price includes taxes and charges.From $267, select.

Dublin.$267 per passenger.Departing Thu, 10 Dec, returning Thu, 17 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 10 Dec, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 17 Dec, arriving in Southampton.Price includes taxes and charges.From $267, select.

Dublin.$267 per passenger.Departing Mon, 8 Mar, returning Thu, 11 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Mon, 8 Mar, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 11 Mar, arriving in Southampton.Price includes taxes and charges.From $267, select.

Dublin.$268 per passenger.Departing Thu, 7 Jan, returning Mon, 11 Jan.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 7 Jan, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 11 Jan, arriving in Southampton.Price includes taxes and charges.From $268, select.

Dublin.$269 per passenger.Departing Mon, 22 Feb, returning Mon, 22 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Mon, 22 Feb, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 22 Mar, arriving in Southampton.Price includes taxes and charges.From $269, select.

Find the cheapest month to fly from Southampton to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Southampton to Dublin flights are currently cheapest in July.

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Direct flights from Southampton to Dublin

Southampton to Dublin: Alternative routes

Compare routes from Southampton to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Dublin

10km from central Dublin

ClosestCheapest

from $204

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Southampton to Dublin: Flight information

The things to know before you go.

Cheapest flight found	$203
Cheapest month to fly	July
Average flight time	1 hr, 39 mins
Most popular airline	Aer Lingus
Average flights per week	73

Finding cheap flights from Southampton to Dublin: Frequently asked questions

How much are return flights from Southampton to Dublin?

The best price we found for a return flight from Southampton to Dublin is $203. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Southampton to Dublin?

1 hour and 39 minutes is the average flight time from Southampton to Dublin.

Which airlines fly direct from Southampton to Dublin?

Aer Lingus, Emerald Airlines and British Airways fly direct from Southampton to Dublin.

How many flights are there a week from Southampton to Dublin?

As of June 2026, there are 73 flights per week flying from Southampton to Dublin.

When is the cheapest time to fly from Southampton to Dublin?

The cheapest month to fly from Southampton to Dublin is usually July.

Which upcoming date is cheapest to fly from Southampton Airport to Dublin Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to Dublin Airport on Thursday, 30 July 2026.

Can I get a direct flight from Southampton Airport to Dublin Airport?

Yes – the average flight time is 1 hour and 39 minutes.

How can I find the best flight deal to Dublin?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Dublin?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Southampton Airport to Dublin with?

Currently, Aer Lingus offers the cheapest flight tickets to Dublin.

Flying from Southampton Airport (SOU) to Dublin Airport (DUB): what you need to know

Around 1 hour 35 minutes is how long you can expect to be travelling on a direct flight from Southampton Airport to Dublin Airport.
Southampton and Dublin are in the UTC+0 timezone. That means you won't have to adjust your watch after you land.
Every week, there are 11 Southampton Airport to Dublin Airport flights. If you want to jet off early, select the 09:00 Aer Lingus flight. If you're eager to make the most of your time before you fly, the last departure is at 20:10 with Aer Lingus.
For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your SOU to DUB flight.
Flying during a peak month such as July? Public holidays and other high seasons can mean longer lines at security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.
Aer Lingus offers direct flights from Southampton Airport to Dublin Airport. Book with this popular carrier, then get ready to discover the sights in Dublin — and maybe even more of Ireland if your schedule allows.
Aer Lingus is the airline with the highest passenger demand for this route.
With 74.64% of its services landing as planned, Aer Lingus is the most punctual carrier offering SOU to DUB flights.
If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Southampton Airport to Dublin Airport. These are the top stopovers between SOU and DUB:
- Amsterdam Schiphol Airport
- Edinburgh Airport
- Glasgow Intl Airport

How to find the cheapest flights from Southampton Airport (SOU) to Dublin Airport (DUB)

The cheapest price we've found for a one-way Southampton Airport to Dublin Airport flight is $118. A round-trip ticket right now is $203. Depending on the availability when you book, these fares can change.
Book 11 months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from SOU to DUB.
April is the cheapest month for flights from Southampton Airport to Dublin Airport. If you need to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.
Stay on top of deals for cheap flights from SOU to DUB by creating a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.
Discover the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Southampton Airport to Dublin Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Southampton Airport (SOU)

72% of flights departing from Southampton Airport land at their destination on time.
Central Southampton to Southampton Airport is approximately 10 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're ride-sharing, catching a taxi or driving.
Catching public transport? You can expect a journey time of around 25 minutes.
Get your holiday off to a relaxed start by staying near SOU. Whether you have an early flight from Southampton Airport to Dublin Airport or just don't like being rushed, these stays are ideal:

Arriving at Dublin Airport (DUB)

The last thing you need is a lengthy trip to your hotel if you're getting in late on a Southampton Airport to Dublin Airport flight. Reserve one of these accommodation options near DUB instead:
Travel at your own pace with a Dublin Airport rental car. Pick up your wheels from Easirent, Budget or Carhire and find adventure across Dublin and beyond.
To secure the lowest price, reserve your vehicle from Dublin Airport about two weeks before you travel.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport is approximately 11 kilometres from central Dublin. The drive time takes about 25 minutes.
It takes roughly 30 minutes to get there by public transport.

When to fly to Dublin Airport (DUB)

The quietest month for a flight from Southampton Airport to Dublin Airport is March, while July is the busiest. Choose the best time to visit Dublin based on whether you prefer a laid-back vibe or a more bustling atmosphere.
Lock in your flight from Southampton Airport to Dublin Airport for July if you'd like to explore Dublin during its warmest month. You can expect temperatures of between 10ºC and 19ºC.
January sees average temperatures of between 2ºC and 9ºC. Look for cheap tickets from SOU to DUB sometime then if you like cooler conditions.

Explore more of Ireland

Cork is just one of the many cities in Ireland waiting to be explored after you've experienced Dublin. Around 225 kilometres away to the south-west, check out popular attractions including Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.