Cheap flights from Ireland to London from £13

The cheapest month to fly to London Luton Airport from Ireland 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 Ireland, when ticket prices are also cheap, with an average price of £52.

The cheapest day to depart from Ireland 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 £99.

Our data shows that the cheapest Ireland 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 £45. Try not to purchase tickets in the morning because they tend to be around £80. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Knock Intl to London Luton for the best Ireland - London Luton flight prices

There is only 1 cabin class available to choose from on Ireland 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.

No. A direct flight is the cheapest option for a flight between Ireland to London Luton Airport.

Historically, on average around 24% of flights between Ireland 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 in the morning 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. Tuesday 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 24% of their flights experiencing any sort of delay.

The number of flights available between Ireland and London Luton Airport is 2 per day as of July 2026. The most frequent departure time is 16:00, with 43% of daily flights leaving in the afternoon.

As of July 2026, there are 15 flights per week flying from Ireland to London Luton Airport. The most common day of the week flights depart is Tue, with 53% of flights taking off on this day.