Cheap flights from Dublin to London from $23

In general, January is the cheapest month to fly from Dublin to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $68. If you are unable to visit London Gatwick Airport during the month of January, then departing from Dublin during the month April is also very affordable. Most momondo users find prices during this month for around $80.

The cheapest day to depart from Dublin to London Gatwick Airport is on a Wednesday when prices can be found for as low as $55. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Saturday is $139.

Flying to London Gatwick Airport from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as $84 when looking at flights departing in the evening. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $139 per ticket.

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

You are more likely to see cheaper flights to London Gatwick Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around $100 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Dublin for as low as $73 on momondo.

There is only 1 cabin class available to choose from on Dublin to London Gatwick 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 15% of flights between Dublin and London have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

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

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

According to our data, Ryanair have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

The number of flights available between Dublin and London Gatwick Airport is 2 per day as of February 2026. The most frequent departure time is 7:00AM, with 47% of daily flights leaving in the afternoon.

As of February 2026, there are 18 flights per week flying from Dublin to London Gatwick Airport. The most common day of the week flights depart is Mon, with 61% of flights taking off on this day.