Cheap flights from Sofia to Athens from $51

The cheapest month to fly to Athens from Sofia 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 are unable to visit Athens during the month of January, then departing from Sofia during the month July is also very affordable. Most momondo users find prices during this month for around $152.

The cheapest day to depart on your flight to Athens is on a Thursday when prices can be found for as low as $191. 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 Saturday because tickets tend to average around $275. These prices are subject to change though, so be sure to set up a Price Alert for flights to Athens.

The cheapest time of day to fly to Athens is in the morning when flights can be purchased for as low as $213. Flights to Athens are more costly in the evening, with an average ticket price of $259. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Sofia to Athens Eleftherios V. for the best Sofia - Athens Eleftherios V. flight prices

You are more likely to see cheaper flights to Athens from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Athens for around $180 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from Sofia for as low as $117 on momondo.

Ryanair is the most popular carrier operating from Sofia to Athens Eleftherios V.

Aegean Airlines, Sky Express and Bulgaria Air are the top three most popular airlines that fly to Athens from Sofia according to our data. Aegean Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 3 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between Sofia and Athens have experienced a delay on any given week. The average delay length over the past 12 months has been 83 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

According to our data, Bulgaria Air have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

As of May 2026, 3 flights take off from Sofia and land in Athens each day. The most common flight departure time for this route is 10:00AM, with 59% of daily flights taking off at noon.

As of May 2026, 23 flights take off from Sofia and land in Athens each week. The most common flight departure day for this route is Fri, with 39% of weekly flights taking off on this day.