€45 Find Cheap Flights from Dublin to Southampton – Compare and Save

These are the earliest and latest flight times available from Dublin to Southampton:

• Earliest: departs at 06:25 and lands at 08:06
• Latest: departs at 17:50 and lands at 19:31.

The flight takes about 1h 41m.

Only Economy class is available on flights from Dublin to Southampton.

A direct flight from Dublin to Southampton takes 1h 41m, covering 695 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Dublin to Southampton range from €140 to €207, with an average of €170 over the past 12 months. Anything below €140 counts as a good deal.

Last-minute fares on this route (booked within 2 weeks of departure) run 10% above the route average of €170. Book 6 weeks before departure for the lowest fares.

On this route, direct flights are cheaper than stopover options on average. Direct fares average €169 return, compared with €183 via a stopover through Glasgow Intl (GLA).

Aer Lingus is the only airline operating Dublin to Southampton flights. 84% of its flights are on time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €24–€88 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The ATR 72-201 / 202 family is used most often on this route, operated mainly by Aer Lingus and British Airways. Other aircraft seen on the route include Airbus A321neo variants.

Morning is the busiest departure period on Dublin to Southampton flights, with 50% leaving in that window. Evening departures account for 50%, Afternoon flights for 0%, and Night flights for 0%.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €102 to €859. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Dublin to Southampton are currently lower than usual. Average one-way flight prices are about €51, which is 49% below the typical average for this route.

Southampton Eastleigh Airport (SOU) hosts 5 major car hire companies, with daily rates starting from around €12 for economy cars. Top options include:
• Alamo
• Budget
• Avis
• Enterprise Rent-A-Car
• Sixt

Flights from Dublin to Southampton usually depart from Dublin (DUB) and arrive at Southampton Eastleigh (SOU).

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Dublin to Southampton route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 47 minutes.

Connecting flights from Dublin to Southampton most commonly pass through:

• Glasgow Intl (GLA) – 75% of one-stop connections
• Amsterdam Schiphol (AMS) – 25% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 32% on the Dublin to Southampton route. Tuesday is the cheapest departure day at €144 return on average, while Sunday is the most expensive at €209, a difference of €65. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Aer Lingus operates flights between Dublin and Southampton.

Flying via Glasgow Intl (GLA) gives the shortest average 1-stop total travel time of 6h 47m, compared to 8h 25m via Amsterdam Schiphol (AMS).

Among airlines operating Dublin to Southampton flights:

• Aer Lingus: offers extra legroom; offers free seat selection
• British Airways: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag and a checked bag in Economy class
• British Airways: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

If you need to charge your phone once you land at Southampton International Airport, head to one of the lounges, while restaurants will likely accommodate paying customers. Lounge access costs around £23.50 (€27.50) for adult customers.

If you are taking the train from Southampton International Airport to the centre of town, it will take around 10min to get there and will cost a fare of around £4.50 (€5.50) for a single ticket. The train leaves the station every hour, so you won’t have to wait long. The train is less than one hundred steps from the main terminal and the station is accessible via footbridge.