Cheap flights from London Gatwick Airport to Dublin from €23

If you aren’t able to travel during the month of January, then book flights to Dublin from London Gatwick Airport during September instead. Flights to Dublin in September, while not as cheap as those in January, still average around €76.

Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €108. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €314. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Our data shows that the cheapest London Gatwick Airport to Dublin flights are usually those with departure times at midday. Our users have found flights to Dublin at midday for as low as €146. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €167 on average. Flights to Dublin from London Gatwick Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Gatwick to Dublin for the best London Gatwick - Dublin flight prices

You are more likely to see cheaper flights to Dublin from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €92 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London Gatwick Airport for as low as €68 on momondo.

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

Historically, on average around 22% of flights between London and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

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

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

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

The number of flights available between London Gatwick Airport and Dublin is 2 per day as of March 2026. The most frequent departure time is 09:00, with 42% of daily flights leaving in the evening.

The number of flights available between London Gatwick Airport and Dublin is 18 per week as of March 2026. The most frequent departure day is Mon, with 61% of weekly flights leaving on this day.