Cheap flights from Athens to Sofia from $51

The cheapest month to fly to Sofia from Athens is in February. Flight prices, which tend to average around $128, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from Athens during November instead. Flights to Sofia in November, while not as cheap as those in February, still average around $134.

According to our data, Monday is the cheapest day to fly to Sofia from Athens. The lowest ticket price found for a Monday departure recently was $169. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Athens to Sofia on a Sunday will generally be more expensive and average around $193. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from Athens to Sofia when you can find flight prices for as low as $169. Flying to Sofia in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Sofia, so prices are often more expensive at around $224 per ticket.

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

You are more likely to see cheaper flights to Sofia from Athens when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $167 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Athens for as low as $127 on momondo.

There is only 1 cabin class available to choose from on Athens to Sofia 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 15% of flights between Athens and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Wednesday 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, Sky Express have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

The number of flights available between Athens and Sofia is 1 per day as of October 2026. The most frequent departure time is 8:00AM, with 42% of daily flights leaving at noon.

As of October 2026, 12 flights take off from Athens and land in Sofia each week. The most common flight departure day for this route is Thu, with 58% of weekly flights taking off on this day.