Cheap flights from Sofia to Athens from £43

The cheapest month to fly to Athens from Sofia is in January. Flight prices, which tend to average around £93, are often lower during this time because this is during the off-season. If you’re not able to fly to Athens in January, then July is your next best option. Flight prices from Sofia to Athens during July average around £112.

On average, the least expensive day to fly to Athens from Sofia is on a Friday. momondo users have found tickets for Friday departures for as low as £135. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Athens on Saturday is £201.

Our most recent data shows that the best time of day to fly to Athens is in the morning. Flights from Sofia to Athens during this time can be as low as £145. Flights to Athens are more costly in the evening, with an average ticket price of £178. 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 £132 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from Sofia for as low as £87 on momondo.

There is only 1 cabin class available to choose from on Sofia to Athens Eleftherios V. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 29% 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 departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

As of April 2026, 2 flights take off from Sofia and land in Athens each day. The most common flight departure time for this route is 10:00, with 35% of daily flights taking off at midday.

As of April 2026, there are 17 flights per week flying from Sofia to Athens. The most common day of the week flights depart is Fri, with 41% of flights taking off on this day.