Cheap Flights from Dublin to Southampton

Cheapest flights from Dublin to Southampton

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Dublin to Southampton. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$44

Aer Lingus

Direct flight

1h 40m

12/07/2026

The cheapest one-way flight from Dublin to Southampton departs on 12/07/2026, is operated by Aer Lingus and costs $44

Cheapest round trip flight

$213

KLM

1 layover

8h 30m

09/25/2027

The cheapest roundtrip flight from Dublin to Southampton departs on 09/25/2027, is operated by KLM and costs $213

The fastest flight

1h 40m

Fastest flight from Dublin to Southampton takes 1h 40m

Direct flights

Once a week

There are direct flights on this route 1 day a week: Mo

Earliest flight

7:00 AM

Latest flight

5:50 PM

Direct flights count

42

Distance

428km

Timezone difference

1h

The distance between Dublin and Southampton is 428km (265 miles). There are 42 direct flights from Dublin to Southampton. The time difference between Dublin and Southampton is 1h. Flights from Dublin begin at 7:00 AM. The latest flight from Dublin departs at 5:50 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Dublin to Southampton by month

In different months, ticket prices from Dublin to Southampton vary: minimum — $48 (December 2026), maximum — $70 (October 2026). Typically, the flight costs $60–$132.

December 2026

Lowest price

on average:

$48

October 2026

Highest price

on average:

$70

Avg Price

Price dynamics

Good news for anyone planning a flight from Dublin to Southampton: prices are steadily declining. From October 2026 to December 2026, tickets dropped by 31%, and the trend continues.

Cheaper and more expensive periods

The most notable drop occurred from October 2026 to December 2026 — down 31%. The best period is November 2026–December 2026 (averaging $55), while the most expensive is October 2026–November 2026 ($66).

Best time to buy

Since prices are falling, there's no rush to buy. The most cost-effective travel period is November 2026–December 2026: savings compared to expensive months can reach up to 16%.

Price predictability

Monthly price variation is 14.8%. Choosing the right departure date can lead to significant savings on this route.

Airlines operating on route

You can fly from Dublin to Southampton with Aer Lingus. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $44. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Aer Lingus is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.

Aer Lingus

starting at $44

Non-stop flights from Dublin to Southampton

A non-stop flight is the most convenient and comfortable way to fly from Dublin to Southampton, despite the fact that sometimes flights with transfers can cost significantly less.

Dublin — Southampton

DUB — SOU

12/07/2026

Departure

Direct flight

EI3300

starting at $44

Schedule of direct flights from Dublin to Southampton

There are most likely no direct flights on the Dublin — Southampton route

Dublin airports overview

Dublin Airport

•

DUB

Main international gateway serving Dublin, with frequent European and transatlantic connections and convenient access to the city center and surrounding Leinster region.

•

Southampton airports overview

Southampton Airport

•

SOU

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Dublin to Southampton?

The cheapest flight ticket from Dublin to Southampton according to data for the last 48 hours costs $44

When is the best time to buy air tickets on the route Dublin — Southampton?

Often the best time to buy tickets from Dublin to Southampton is 2 months before departure.

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

Based on statistics over the past years, the lowest prices for flights from Dublin to Southampton can be found flying in these months: December, November, October.

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

The fastest flights from Dublin to Southampton start from 1 hour 40 minutes in the air.

Which airline can fly direct from Dublin to Southampton?

The following airlines operate direct flights on the route Dublin — Southampton: Aer Lingus

Special offers and sales on air tickets from Dublin to Southampton

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Dublin to Southampton

Alternative routes

Belfast ➜ Southampton•Birmingham ➜ Southampton•Blackpool ➜ Southampton•Liverpool ➜ Southampton•Manchester ➜ Southampton•Cork ➜ Southampton•Dublin ➜ Bournemouth•Dublin ➜ Bristol•Dublin ➜ Brighton•Dublin ➜ London•Dublin ➜ Reading•Dublin ➜ Swindon

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Cheapest one way flight

$44

Aer Lingus

Direct flight

1h 40m

12/07/2026

The cheapest one-way flight from Dublin to Southampton departs on 12/07/2026, is operated by Aer Lingus and costs $44

Cheapest round trip flight

$213

KLM

1 layover

8h 30m

09/25/2027

The cheapest roundtrip flight from Dublin to Southampton departs on 09/25/2027, is operated by KLM and costs $213

The fastest flight