Cheap flights from Ireland to Southeast Europe from €22

The cheapest month to fly to Southeast Europe from Ireland is in January. Flight prices, which tend to average around €126, are often lower during this time because this is during the off-season. If you don’t want to visit Southeast Europe in January, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of €184.

On average, the least expensive day to fly to Southeast Europe from Ireland is on a Sunday. momondo users have found tickets for Sunday departures for as low as €135. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €348. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Europe.

Flying to Southeast Europe from Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €174 when looking at flights departing in the afternoon. Flights in the evening are often more expensive, with an average ticket price of €334.

Fly from Dublin to Bucharest Otopeni Intl for the best Ireland - Southeast Europe flight prices

You are more likely to see cheaper flights to Southeast Europe from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Europe for around €242 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Europe from Ireland for as low as €158 on momondo.

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

Ryanair, FLYONE Romania, and HiSky are the most popular carriers operating from Ireland to Southeast Europe

Lufthansa, KLM and Aer Lingus are the top three most popular airlines that fly to Southeast Europe from Ireland according to our data. Lufthansa is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Southeast Europe. Keep in mind that there are 10 different airlines that fly to Southeast Europe on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 3 flights per day flying from Ireland to Southeast Europe. The most common time of day flights depart is 12:00, with 45% of flights taking off in the afternoon.

As of March 2026, 24 flights take off from Ireland and land in Southeast Europe each week. The most common flight departure day for this route is Sat, with 29% of weekly flights taking off on this day.