Cheap flights from Ireland to Bulgaria from €49

In general, November is the cheapest month to fly from Ireland to Bulgaria. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €75. If you aren’t able to travel during the month of November, then book flights to Bulgaria from Ireland during March instead. Flights to Bulgaria in March, while not as cheap as those in November, still average around €90.

Our data shows that the cheapest Ireland to Bulgaria flights are usually those with departure times in the morning. Our users have found flights to Bulgaria in the morning for as low as €105. Try not to purchase tickets in the afternoon because they tend to be around €144. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Dublin to Sofia for the best Ireland - Bulgaria flight prices

You are more likely to see cheaper flights to Bulgaria from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around €244 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Ireland for as low as €170 on momondo.

No. A direct flight is the cheapest option for a flight between Ireland to Bulgaria.

Ryanair is the most popular carrier operating from Ireland to Bulgaria

Lufthansa, Ryanair and Aer Lingus are the top three most popular airlines that fly to Bulgaria from Ireland according to our data. Lufthansa is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Bulgaria. Keep in mind that there are 3 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Ireland and Bulgaria have experienced a delay on any given week. The average delay length over the past 12 months has been 108 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.

Monday 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, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of April 2026, there are 1 flights per week flying from Ireland to Bulgaria. The most common day of the week flights depart is Tue, with 100% of flights taking off on this day.

Flight times from Ireland to Bulgaria vary, but if you’re flying out of Dublin and flying into Sofia (one of the most popular routes), then the duration is 3h 40m on average. Another popular route from Ireland to Bulgaria is flying from Cork to Sofia, which will take roughly 13h 40m. Keep in mind that layovers or delays could extend your travel time.