Cheap flights from Denmark to Ireland from €27

The month of February is another great option to travel to Ireland, with average flight prices from Denmark averaging around €110.

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as €109. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €225. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

In the afternoon is the cheapest time of day to fly from Denmark to Ireland when you can find flight prices for as low as €111. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around €161.

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

You are more likely to see cheaper flights to Ireland from Denmark when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €143 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Denmark for as low as €127 on momondo.

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

Ryanair, Norwegian and Scandinavian Airlines are the top three most popular airlines that fly to Ireland from Denmark according to our data. Ryanair is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 3 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between Denmark and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 112 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.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Norwegian have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

As of March 2026, 2 flights take off from Denmark and land in Ireland each day. The most common flight departure time for this route is 17:00, with 57% of daily flights taking off in the afternoon.

The number of flights available between Denmark and Ireland is 20 per week as of March 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.