Cheap flights from Dublin to London from £18

The cheapest month to fly to London Luton Airport from Dublin is in February. Flight prices, which tend to average around £51, are often lower during this time because this is during the off-season. If you don’t want to visit London Luton Airport in February, then you should wait until April to fly from Dublin, when ticket prices are also cheap, with an average price of £54.

The cheapest day to depart from Dublin to London Luton Airport is on a Wednesday. Travellers who choose to depart for London Luton Airport on a Wednesday will often find tickets for as low as £52. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Luton Airport on Monday is £104.

Our data shows that the cheapest Dublin to London Luton Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Luton Airport in the afternoon for as low as £35. Try not to purchase tickets in the morning because they tend to be around £79. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to London Luton Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London Luton Airport for around £65 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Luton Airport from Dublin for as low as £48 on momondo.

There is only 1 cabin class available to choose from on Dublin to London Luton Airport 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 21% 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 106 minutes.

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

Saturday 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.

As of October 2026, there are 1 flights per day flying from Dublin to London Luton Airport. The most common time of day flights depart is 07:00, with 37% of flights taking off at midday.

As of October 2026, there are 8 flights per week flying from Dublin to London Luton Airport. The most common day of the week flights depart is Mon, with 50% of flights taking off on this day.