Cheap flights from Ireland to Bulgaria from €28

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 €137. If you aren’t able to travel during the month of November, then book flights to Bulgaria from Ireland during February instead. Flights to Bulgaria in February, while not as cheap as those in November, still average around €167.

The cheapest day to depart from Ireland to Bulgaria is on a Saturday when prices can be found for as low as €217. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Bulgaria on Tuesday is €315.

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 €216. Try not to purchase tickets in the afternoon because they tend to be around €277. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Dublin to Bourgas 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 €328 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 €148 on momondo.

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

Ryanair, Lufthansa and Aer Lingus are the top three most popular airlines that fly to Bulgaria from Ireland according to our data. Ryanair is the first choice among our users, with 57% 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 19% 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 115 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. Friday 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 11% of their flights experiencing any sort of delay.

As of September 2026, there are 4 flights per week flying from Ireland to Bulgaria. The most common day of the week flights depart is Tue, with 75% 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 35m on average. Another popular route from Ireland to Bulgaria is flying from Cork to Sofia, which will take roughly 12h 40m. Keep in mind that layovers or delays could extend your travel time.