Your next trip, last seen at €50
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €50, departing 1 Dec 2026 (Last checked: 18 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 153Check live prices for this route
- Airlines seen
- Aer Lingus, KLM
- Typical journey time
- 2h 45m
- Non-stop
- Yes
About this route
Explore the fares we observed from Dublin to Southampton. Prices move often, so pick your dates to see the latest options.
- Route distance
- 428 km
- Typical journey time
- 2h 45m
- Airlines seen
- Aer Lingus, KLM
Route-level information; individual journeys vary.
Published schedules report non-stop service with Aer Lingus. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
Fastest non-stop we saw: 1h 40m with Aer Lingus.
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Aer Lingus | 3 / 153 | 1h 40m |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Dublin Airport (DUB) → Dublin, city gazetteer reference point (53.3498, -6.2603): ≈ 9 km.
- Southampton Airport (SOU) → Southampton, city gazetteer reference point (50.9097, -1.4044): ≈ 6 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Dublin to Southampton: December 2026, from €50 (checked 18 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| December 2026 | €50 | 29 |
| January 2027 | €50 | 31 |
| February 2027 | €50 | 28 |
| March 2027 | €50 | 26 |
| April 2027 | €54 | 27 |
| May 2027 | €82 | 12 |
Lowest fare by day of the week
Cheapest day of the week from Dublin to Southampton: Monday, from €50 (checked 18 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €50 | 22 |
| Tuesday | €50 | 23 |
| Wednesday | €50 | 22 |
| Thursday | €50 | 22 |
| Friday | €52 | 21 |
| Saturday | €50 | 21 |
| Sunday | €52 | 22 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Dublin to Southampton by days until departure (31 to 60 days): €50 (checked 18 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 31 to 60 days | €50 | 19 |
| 61 days or more | €50 | 134 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Dublin to Southampton: Aer Lingus, from €50 (checked 18 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Aer Lingus | €50Dec 1, 2026 | 3 |
| KLM | €80Dec 3, 2026 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Dublin to Southampton?
The lowest fare we have observed is €50, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Dublin to Southampton?
Cheapest month from Dublin to Southampton: December 2026, from €50 (checked 18 Oct 2026).
Are there direct flights from Dublin to Southampton?
Yes. Published schedules report non-stop flights on this route with Aer Lingus.
Which airlines fly from Dublin to Southampton?
These are the carriers we have seen on the route: Aer Lingus, KLM.
Which airlines had non-stop offers on at least 3 departure dates from Dublin to Southampton?
For Dublin to Southampton, examples of observed one-way non-stop offers checked within the last 14 days: Aer Lingus (3). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Dublin to Southampton?
Cheapest day of the week from Dublin to Southampton: Monday, from €50 (checked 18 Oct 2026).
Which airline has the lowest fare from Dublin to Southampton?
Cheapest airline from Dublin to Southampton: Aer Lingus, from €50 (checked 18 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
Similar routes
Non-stop airlines on this route
More routes from Dublin
Show all 30 routes →Show fewer ↑
More routes to Southampton
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.
Last checked: 18 Oct 2026