Cheap flights from Southampton to Ireland from €62

The month of January is another great option to travel to Ireland, with average flight prices from Southampton averaging around €145.

The cheapest day to depart on your flight to Ireland is on a Thursday when prices can be found for as low as €147. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €1,606. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

In the evening is the cheapest time of day to fly from Southampton to Ireland when you can find flight prices for as low as €139. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €208.

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

You are more likely to see cheaper flights to Ireland from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €164 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Southampton for as low as €139 on momondo.

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

The number of flights available between Southampton and Ireland is 5 per day as of February 2026. The most frequent departure time is 09:00, with 33% of daily flights leaving at midday.

As of February 2026, 39 flights take off from Southampton and land in Ireland each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.