Cheap flights from Ireland to Copenhagen from €35

The month of February is, on average, the cheapest month to fly to Copenhagen from Ireland, with most prices found around €107. The month of January is another great option to travel to Copenhagen, with average flight prices from Ireland averaging around €109.

The cheapest day to depart on your flight to Copenhagen is on a Friday when prices can be found for as low as €209. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Copenhagen on Sunday is €313.

In the afternoon is the cheapest time of day to fly from Ireland to Copenhagen when you can find flight prices for as low as €119. Flying to Copenhagen in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around €260. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 €153 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 €109 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 is the most popular carrier 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 42% of people opting to fly with this airline when travelling to Copenhagen. Keep in mind that there are 4 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 106 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 11% of their flights experiencing any sort of delay.

As of September 2026, 1 flights take off from Ireland and land in Copenhagen each day. The most common flight departure time for this route is 19:00, with 57% of daily flights taking off in the evening.

12 flights are operational weekly from Ireland to Copenhagen as of September 2026. The most popular departure day for this route is Wed, with 42% of flights per week taking off on this day.