Cheap flights from Dublin to London from €21

In general, February is the cheapest month to fly from Dublin to London Luton Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €59. 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 €63.

Our data shows that Tuesday is the least expensive day to fly to London Luton Airport. Tickets to fly out on this day can be as low as €60. The most expensive day to fly to London Luton Airport is Saturday, with ticket prices averaging around €89.

Our data shows that the cheapest Dublin to London Luton Airport flights are usually those with departure times in the morning. Our users have found flights to London Luton Airport in the morning for as low as €78. Try not to purchase tickets in the evening because they tend to be around €91. 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 €79 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 €60 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 107 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.

1 flights are operational daily from Dublin to London Luton Airport as of September 2026. The most popular departure time for this route is 07:00, with 37% of flights per day taking off at midday.

8 flights are operational weekly from Dublin to London Luton Airport as of September 2026. The most popular departure day for this route is Mon, with 50% of flights per week taking off on this day.