Cheap flights from Ireland to Denmark from €28

If you aren’t able to travel during the month of January, then book flights to Denmark from Ireland during February instead. Flights to Denmark in February, while not as cheap as those in January, still average around €107.

Our data shows that Friday is the least expensive day to fly to Denmark. Tickets to fly out on this day can be as low as €209. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Denmark for around €369.

Our most recent data shows that the best time of day to fly to Denmark is at midday. Flights from Ireland to Denmark during this time can be as low as €166. In the afternoon is when there is more demand to fly to Denmark, so prices are often more expensive at around €448 per ticket.

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

You are more likely to see cheaper flights to Denmark from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around €147 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from Ireland for as low as €106 on momondo.

There are 2 cabin classes available to choose from on Ireland to Denmark flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair and KLM are the most popular carriers operating from Ireland to Denmark

Scandinavian Airlines, KLM and Norwegian are the top three most popular airlines that fly to Denmark from Ireland according to our data. Scandinavian Airlines is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Denmark. Keep in mind that there are 4 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Ireland and Denmark 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.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday 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 11% of their flights experiencing any sort of delay.

As of February 2026, 3 flights take off from Ireland and land in Denmark each day. The most common flight departure time for this route is 12:00, with 41% of daily flights taking off in the afternoon.

21 flights are operational weekly from Ireland to Denmark as of February 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.