Cheap flights from Ireland to Copenhagen from £23

The cheapest month to fly to Copenhagen from Ireland is in February. Flight prices, which tend to average around £92, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Copenhagen, with average flight prices from Ireland averaging around £95.

According to our data, Sunday is the cheapest day to fly to Copenhagen from Ireland. The lowest ticket price found for a Sunday departure recently was £171. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Copenhagen is Monday, with ticket prices averaging around £300.

Our data shows that the cheapest Ireland to Copenhagen flights are usually those with departure times in the afternoon. Our users have found flights to Copenhagen in the afternoon for as low as £113. In contrast, the most expensive time of day to depart to Copenhagen is in the evening when prices are around £275.

Fly from Dublin to Kastrup Copenhagen for the best Ireland - Kastrup Copenhagen flight prices

You are more likely to see cheaper flights to Copenhagen from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around £133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Ireland for as low as £88 on momondo.

There are 3 cabin classes available to choose from on Ireland to Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair and Norwegian are the most popular carriers operating from Ireland to Kastrup Copenhagen

Ryanair, Scandinavian Airlines and Norwegian are the top three most popular airlines that fly to Copenhagen from Ireland according to our data. Ryanair is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Copenhagen. Keep in mind that there are 3 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Ireland and Copenhagen have experienced a delay on any given week. The average delay length over the past 12 months has been 107 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening 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, Scandinavian Airlines have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

1 flights are operational daily from Ireland to Copenhagen as of October 2026. The most popular departure time for this route is 12:00, with 41% of flights per day taking off in the afternoon.

As of October 2026, 8 flights take off from Ireland and land in Copenhagen each week. The most common flight departure day for this route is Wed, with 63% of weekly flights taking off on this day.