Cheap flights from London Gatwick Airport to Dublin from $39

The month of January is, on average, the cheapest month to fly to Dublin from London Gatwick Airport, with most prices found around $103. If you are unable to visit Dublin during the month of January, then departing from London Gatwick Airport during the month September is also very affordable. Most momondo users find prices during this month for around $121.

The cheapest day to depart from London Gatwick Airport to Dublin is on a Wednesday. Travellers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $126. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Dublin for around $208.

In the evening is the cheapest time of day to fly from London Gatwick Airport to Dublin when you can find flight prices for as low as $78. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights to Dublin are more costly at midday, with an average ticket price of $194. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 $147 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 $106 on momondo.

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 111 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.

4 flights are operational daily from London Gatwick Airport to Dublin as of May 2026. The most popular departure time for this route is 08:00, with 35% of flights per day taking off in the afternoon.

As of May 2026, 33 flights take off from London Gatwick Airport and land in Dublin each week. The most common flight departure day for this route is Sat, with 27% of weekly flights taking off on this day.