Cheap flights from Dublin to London from R2 330

The month of February is, on average, the cheapest month to fly to Southampton from Dublin, with most prices found around R2 411. If you don’t want to visit Southampton in February, then you should wait until December to fly from Dublin, when ticket prices are also cheap, with an average price of R2 509.

You are more likely to see cheaper flights to Southampton from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Southampton for around R2 956 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southampton from Dublin for as low as R2 346 on momondo.

Historically, on average around 16% of flights between Dublin and Southampton have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

5 flights are operational daily from Dublin to Southampton as of September 2026. The most popular departure time for this route is 17:00, with 81% of flights per day taking off in the afternoon.

As of September 2026, there are 35 flights per week flying from Dublin to Southampton. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.