£42 : Cheap Flights from Southampton to Dublin

Flight FAQs

• Which airlines offer the cheapest flights from Southampton (SOU) to Dublin (DUB)?

  Based on Trip.com data, easyJet offers one-way fares as low as £42 on Cheapest nonstop routes (e.g. SOU to DUB on Tue, Jan 20), while Aer Lingus offers Cheapest nonstop round-trips from £80 departing on Thu, Jan 22 and returning on Sun, Jan 25.

• Which airlines offer direct flights from Southampton to Dublin?

  At the moment, you can catch a direct 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 Trip.com within the last 90 days.

• How long is the flight from Southampton (SOU) to Dublin (DUB)?

  It takes about 1 hour 41 minutes to fly from Southampton (SOU) to Dublin (DUB).

• When is the best time to book flights from Southampton to Dublin?

  By analyzing data from all airlines on the Trip.com 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.

• How many flights are there per week from Southampton to Dublin?

  Based on Trip.com data in the past 4 weeks, there is 17 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/T/F/- -- EI3301 (09:10)

• How can I find the best deals on flights from Southampton to Dublin?

  To find best deals on flights from Southampton to Dublin, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jan 20, with one-way flights priced at just £42.
  · 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 Trip.com 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 Trip.com app users.

• When is the best time to book a flight from Southampton to Dublin to get the best price?

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

• Which upcoming date is the cheapest for flights from Southampton to Dublin?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Southampton to Dublin on December 31, 2025 with Aer Lingus, with prices starting at £87.

• Which airports can I fly through when travelling to Dublin from Southampton?

  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).

• What is the time difference between Southampton and Dublin?

  The time difference between Dublin and Southampton is 0h.

• How can I change or cancel my flight ticket from Southampton to Dublin?

  Tickets can only be changed or cancelled 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 booking, 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.