Return flights from Southampton to Dublin Flights from HKD 43 incl. tax

Based on HopeGoo data, easyJet offers one-way fares as low as US$58 on Cheapest nonstop routes (e.g. SOU to DUB on Tue, Mar 10), while Aer Lingus offers Cheapest nonstop round-trips from US$128 departing on Tue, Mar 3 and returning on Thu, Mar 5.

At the moment, you can catch a nonstop flight from Southampton to Dublin with the following airlines, including: Aer Lingus Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 1 hour 37 minutes to fly from Southampton to Dublin.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Southampton to Dublin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 30 flight per week flying from Southampton to Dublin. You can check the weekly schedule for popular airlines on this route below: Aer Lingus: S/M/T/W/-/-/S -- EI3305 (16:13)

To find best deals on flights from Southampton to Dublin, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 10, with one-way flights priced at just US$58. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aer Lingus. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Dublin travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Southampton to Dublin is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Southampton to Dublin on February 28, 2026 with easyJet, with prices starting at US$99.

You can land at any one of the following hubs in Dublin, with Southampton Airport to Dublin Airport (SOU-DUB) is by far the most common option on this route: Dublin Airport (DUB).

The time difference between Dublin and Southampton is 0h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.