Cheap Flights Southampton to Dublin from £41

Flight FAQs

• Which airlines offer the cheapest flights from Southampton to Dublin?

  Based on Trip.com data, easyJet offers Cheapest nonstop one-way flights from £41 (for example, SOU–DUB on Sat, Dec 5). For a Cheapest nonstop return flight, Aer Lingus offers fares from £93, departing on Sat, Dec 5 and returning on Mon, Dec 7.

• 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 a flight from Southampton to Dublin?

  A flight from Southampton (SOU) to Dublin (DUB) takes an average of 1 hour 38 minutes.

• 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 from Southampton to Dublin each week?

  On average, 36 direct flights operate each week between Southampton and Dublin. See below the schedules of the main airlines serving this route:
  Aer Lingus: S/M/T/W/T/F/S – EI3301 (departure at 09:19)

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

  Here are some tips for finding the best flight deals from Southampton to Dublin on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Sat, Dec 5, with one-way fares from just £41.
  · Compare airlines. Aer Lingus currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to Dublin.
  · Get exclusive promo codes on the Trip.com app.

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

  The cheapest month to book a flight from Southampton to Dublin is usually November, when demand is lower.

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

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Southampton to Dublin on October 27, 2026 with Aer Lingus, with prices starting at £92.

• Which airports should you choose for flights from Southampton to Dublin?

  Flights to Dublin can arrive at: Dublin Airport (DUB). The most common route connects Southampton Airport and Dublin Airport (SOU–DUB).

• What is the time difference between Southampton and Dublin?

  The time difference between Dublin and Southampton is 0m.

• 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.

• What is the average price of a one-way flight from Southampton to Dublin?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Southampton to Dublin is £128. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Southampton to Dublin?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Southampton to Dublin is £176. Fares vary by travel date, airline and availability.

• How do I book flights from Southampton to Dublin on Trip.com?

  Enter Southampton and Dublin, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.