Cheap flights from Southampton to Dublin from €71

If you aren’t able to travel during the month of February, then book flights to Dublin from Southampton during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €150.

Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €108. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €315. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Our data shows that the cheapest Southampton to Dublin flights are usually those with departure times at midday. Our users have found flights to Dublin at midday for as low as €147. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €168 on average. Flights to Dublin from Southampton in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Southampton Eastleigh to Dublin for the best Southampton Eastleigh - Dublin flight prices

You are more likely to see cheaper flights to Dublin from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €170 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Southampton for as low as €145 on momondo.

There is only 1 cabin class available to choose from on Southampton Eastleigh to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, there are 6 flights per day flying from Southampton to Dublin. The most common time of day flights depart is 09:00, with 39% of flights taking off at midday.

The number of flights available between Southampton and Dublin is 45 per week as of March 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.