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Cheap Flights from Southampton to Dublin

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Compare Southampton to Dublin flight deals

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

Book the best Dublin fare with no extra fees

Flight deals from Southampton to Dublin

Looking for a cheap last-minute deal or the best return flight from Southampton to Dublin? Find the lowest prices on one-way and return tickets right here.
Dublin.67 € per passenger.Departing Thu, 15 May, returning Sun, 18 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 15 May, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Sun, 18 May, arriving in Southampton.Price includes taxes and charges.From 67 €, select.
Dublin.67 € per passenger.Departing Thu, 29 May, returning Mon, 2 Jun.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Thu, 29 May, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 2 Jun, arriving in Southampton.Price includes taxes and charges.From 67 €, select.
Dublin.71 € per passenger.Departing Tue, 10 Jun, returning Thu, 12 Jun.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Tue, 10 Jun, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 12 Jun, arriving in Southampton.Price includes taxes and charges.From 71 €, select.
Dublin.81 € per passenger.Departing Wed, 11 Jun, returning Wed, 2 Jul.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Wed, 11 Jun, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Wed, 2 Jul, arriving in Southampton.Price includes taxes and charges.From 81 €, select.
Dublin.105 € per passenger.Departing Mon, 28 Apr, returning Sun, 25 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Mon, 28 Apr, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Sun, 25 May, arriving in Southampton.Price includes taxes and charges.From 105 €, select.
Dublin.106 € per passenger.Departing Mon, 28 Apr, returning Wed, 30 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Mon, 28 Apr, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Wed, 30 Apr, arriving in Southampton.Price includes taxes and charges.From 106 €, select.
Dublin.112 € per passenger.Departing Wed, 23 Jul, returning Thu, 24 Jul.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Wed, 23 Jul, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 24 Jul, arriving in Southampton.Price includes taxes and charges.From 112 €, select.
Dublin.112 € per passenger.Departing Wed, 3 Sep, returning Thu, 18 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Southampton on Wed, 3 Sep, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 18 Sep, arriving in Southampton.Price includes taxes and charges.From 112 €, 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 May.
Apr
from 106 €
May
from 67 €
Jun
from 71 €
Jul
from 112 €
Aug
from 115 €
Sep
from 112 €
Oct
from 126 €
Nov
from 174 €
Dec
from 172 €
Jan
from 173 €
Feb
from 144 €
Mar
from 172 €

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.

Southampton to Dublin: Flight information

The things to know before you go.
Cheapest flight found67 €
Cheapest month to flyMay
Average flight time1 hr, 38 mins
Most popular airlineQatar Airways
Average flights per week63

Finding cheap flights from Southampton to Dublin: Frequently asked questions

The best price we found for a return flight from Southampton to Dublin is 67 €. 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.
1 hour and 38 minutes is the average flight time from Southampton to Dublin.
Qatar Airways, Aer Lingus and Emerald Airlines fly direct from Southampton to Dublin.
As of April 2025, there are 63 flights per week flying from Southampton to Dublin.
The cheapest month to fly from Southampton to Dublin is usually April 2025.
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, 29 May 2025.
Yes – the average flight time is 1 hour and 38 minutes.
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.
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.
Currently, Aer Lingus offers the cheapest flight tickets to Dublin.

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

  • The average length of a direct flight from Southampton Airport to Dublin Airport is 1 hour 35 minutes.

  • Southampton and Dublin follow the same timezone, UTC+0.

  • Flights from SOU to DUB start from 09:30 — the earliest with Aer Lingus. The latest departure is at 20:10 with Aer Lingus. Overall, you can take your pick of 44 weekly Southampton Airport to Dublin Airport flights.

  • Get to the airport on time so you don't miss your SOU to DUB flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Travelling during a peak time like August? Public holidays and other popular seasons can result in longer lines at check-in and security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.

  • Aer Lingus has 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.

  • The most punctual carrier offering SOU to DUB flights is Aer Lingus. Its services arrive as scheduled 78.91% of the time.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Southampton Airport to Dublin Airport. Here are the top stopovers between SOU and DUB:

    • Edinburgh Airport

    • Newcastle International Airport

    • Glasgow International Airport

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

  • Right now, 39 € is the cheapest price we've seen for a one-way Southampton Airport to Dublin Airport flight. The best price for a return plane ticket is 67 €. Remember that fares could change due to availability when booking.

  • To score cheap tickets from SOU to DUB, book your trip five months ahead of your departure.

  • April is the cheapest month for flights from Southampton Airport to Dublin Airport. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Picking up cheap flights from SOU to DUB is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Secure the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Southampton Airport to Dublin Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Southampton Airport (SOU)

  • When it comes to Southampton Airport's on-time performance, data shows 55.7% of flights complete their journey on time.

  • Central Southampton to Southampton Airport is around 8 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey when using public transport takes about 25 minutes.

  • Searching for a handy hotel close to SOU? If you're catching an early flight from Southampton Airport to Dublin Airport, these accommodation options will have you sleeping moments from check-in:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport is approximately 21 kilometres from the centre of Dublin. Driving there takes about 30 minutes.

  • If you're travelling by public transport, expect a journey of roughly 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

  • It's time to choose your travel dates for your flight from Southampton Airport to Dublin Airport. August is the most popular month to head to Dublin. If you want a more laid-back vibe, go in January.

  • The warmest month in Dublin is July, with temperatures ranging between 10ºC (50ºF) and 20ºC (68ºF). Lock in your flights from Southampton Airport to Dublin Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 1ºC (34ºF) and 9ºC (48ºF). Search for cheap tickets from SOU to DUB around that time if you like cooler conditions.

Explore more of Ireland

  • You've done Dublin, now it's time to explore more of Ireland. Travel about 225 kilometres south-west to Cork to tick off its leading attractions. From Blarney Castle to Fota Wildlife Park and Titanic Experience Cobh, there's plenty to keep you busy.

  • If there's time to check out another great destination in Ireland, head for Tallaght, roughly 10 kilometres south-west of Dublin. Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet are key reasons to visit.

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Plan the rest of your trip from Southampton to Dublin

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.