$40 Cheap Flights from Dublin (DUB) to Southampton (SOU)

Popular airlines from Dublin Airport (DUB) to Southampton (SOU)

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Find available prices by choosing your travel dates.

Cheap Flights from Dublin to Southampton (DUB-SOU)

Prices were available within the past 7 days and start at $40 for one-way flights and $74 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
KLM
Flights from Dublin (DUB) to Southampton (SOU)
Origin airport
Dublin
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways
Roundtrip price
$74
Distance
268 mi

Dublin to Southampton Flights

The cheapest times to fly from Dublin to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Southampton are during the month of May. You can find some of the cheapest flights from Dublin to Southampton with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Dublin to Southampton

Sunday is one of the best days to book for cheap flights from Dublin to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Dublin to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $40 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Dublin Airport (DUB) to Southampton Airport?
Aer Lingus has a direct flight departing Dublin Airport at 2:10PM and landing at Southampton Airport (SOU) at 3:45PM — a travel time of 1 hour and 35 minutes. Choose the best seat available, bring some things to keep you occupied and the time will fly by.
Is it cheaper to buy a plane ticket from DUB to Southampton Airport last minute?
Booking your flight from Dublin Airport (DUB) to Southampton Airport last minute could save you a nice sum if you’re lucky enough to find a real bargain. However, tickets don’t typically get cheaper as the departure date nears. If you take a wait-and-see approach, flights could also be booked out or the best seats taken (don’t get stuck in the middle!). If you don’t want to risk it, book well in advance of when you want to leave. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your favorite airline hasn’t released its fares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Southampton from Dublin?
With Southampton Airport (SOU), Bournemouth Intl. Airport (BOH) and Heathrow Airport (LHR) to choose from, journeying from Dublin to Southampton is a breeze. The city’s key hub, Southampton Airport (SOU), is roughly 4 mi northeast of the center. Apart from the price of tickets, consider factors like public transportation options from the airport and the distance to your hotel before making your choice. Get your Southampton trip off to an exciting start by exploring Southampton Maritime Museum and University of Southampton.
What are the most popular departure times for flights from Dublin Airport to SOU?
For Aer Lingus flights jetting out from Dublin Airport to SOU, the most popular period is between 7:00 AM - 8:00 AM. If you want to avoid holdups, book the earliest flight. This way you’re more likely to dodge the heavy air traffic that builds up later in the day.
Can I change the date of my flight from Dublin Airport (DUB) to Southampton Airport?
Easily make changes to your Dublin Airport to Southampton Airport (SOU) trip via the Expedia Trips portal. Before you make any amendments, review the ticket rules in your itinerary to see what the carrier will allow you to do and whether fees apply. Some airlines have a change fee per person, on top of any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also find your way to our Customer Service portal for more information and to chat with our Virtual Agent.

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