Cheap flights from London Gatwick Airport to Ireland from €18

The month of December is another great option to travel to Ireland, with average flight prices from London Gatwick Airport averaging around €38.

In the afternoon is the cheapest time of day to fly from London Gatwick Airport to Ireland when you can find flight prices for as low as €41. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €77.

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

You are more likely to see cheaper flights to Ireland from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €91 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from London Gatwick Airport for as low as €67 on momondo.

Historically, on average around 22% of flights between London and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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 21% of their flights experiencing any sort of delay.

The number of flights available between London Gatwick Airport and Ireland is 2 per day as of May 2026. The most frequent departure time is 17:00, with 38% of daily flights leaving in the afternoon.

As of May 2026, there are 20 flights per week flying from London Gatwick Airport to Ireland. The most common day of the week flights depart is Sat, with 55% of flights taking off on this day.