Cheap Flights from Dublin to Southampton

Compare Dublin to Southampton flight deals

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

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Flight deals from Dublin to Southampton

Looking for a cheap last-minute deal or the best return flight from Dublin to Southampton? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dublin to Southampton

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

Direct flights from Dublin to Southampton

Dublin to Southampton: Alternative routes

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

Dublin to Southampton: Flight information

The things to know before you go.
Cheapest flight foundR 901
Cheapest month to flyMarch
Average flight time1 hr, 42 mins
Most popular airlineAer Lingus
Average flights per week60

Finding cheap flights from Dublin to Southampton: Frequently asked questions

The best price we found for a return flight from Dublin to Southampton is R 1,916. 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 42 minutes is the average flight time from Dublin to Southampton.
Aer Lingus, Emerald Airlines and British Airways fly direct from Dublin to Southampton.
As of January 2026, there are 60 flights per week flying from Dublin to Southampton.
The cheapest month to fly from Dublin to Southampton is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Southampton Airport on Tuesday, 10 February 2026.
Yes – the average flight time is 1 hour and 42 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 Southampton 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 Southampton 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 Southampton.

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

  • The average length of a direct flight from Dublin Airport to Southampton Airport is 1 hour 40 minutes.

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

  • Choose from 22 weekly Dublin Airport to Southampton Airport flights. The 07:10 departure with Aer Lingus is the earliest flight you can take. Aer Lingus operates the latest service of the day at 18:00.

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

  • You'll likely experience longer queues in popular months like August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Aer Lingus has direct flights from Dublin Airport to Southampton Airport. Book with this popular carrier, then get ready to check out the sights in Southampton — and maybe even more of United Kingdom if time allows.

  • Aer Lingus tops the list for bookings on this route.

  • Aer Lingus is the most punctual carrier offering DUB to SOU flights.

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

    • Glasgow International Airport

    • Amsterdam Airport Schiphol

    • Edinburgh Airport

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

  • The cheapest price we've seen for a one-way Dublin Airport to Southampton Airport flight is R 903. A return fare right now is R 1,916. Depending on the availability and when you book, these fares can change.

  • Book six months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from DUB to SOU.

  • The cheapest month for flights from Dublin Airport to Southampton Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • You don't need to check every day to find out if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a better deal on cheap flights from DUB to SOU.

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

Handy information about Dublin Airport (DUB)

  • 72.87% of flights leaving from Dublin Airport make it to their destination on time.

  • To reach Dublin Airport from central Dublin, it'll take around 30 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 21 kilometres from the airport to the city centre.

  • Taking public transport? Expect a trip time of around 2 hours 10 minutes.

  • Catching an early flight from Dublin Airport to Southampton Airport? Avoid rushing to the terminal (and catch some extra z's) by choosing one of these hotels close to DUB:

Arriving at Southampton Airport (SOU)

Getting from Southampton Airport (SOU) to central Southampton

  • Southampton Airport is roughly 8 kilometres from central Southampton. Driving there takes about 20 minutes.

  • It takes roughly 25 minutes when travelling by public transport.

When to fly to Southampton Airport (SOU)

  • It's time to work out your travel dates for your flight from Dublin Airport to Southampton Airport. August is the busiest month to visit Southampton. If you like a more low-key vibe, go in April.

  • The warmest month in Southampton is July, with temperatures ranging between 11ºC (52ºF) and 24ºC (75ºF). Book your flights from Dublin Airport to Southampton Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from DUB to SOU sometime then if you like travelling in cooler conditions.

Explore more of United Kingdom

  • London is just one of the many places in United Kingdom waiting to be explored after you've seen Southampton. Around 113 kilometres away to the north-east, its best attractions include Big Ben, The British Museum and Buckingham Palace.

  • If you're looking to explore another well-known destination in United Kingdom, consider Birmingham, about 177 kilometres north of Southampton. Cadbury World, The Library of Birmingham and National Sea Life Centre are key reasons to visit.

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