Cheap flights from London Heathrow Airport to Athens from £51

The cheapest month to fly to Athens from London Heathrow Airport is in January. Flight prices, which tend to average around £137, 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 November is your next best option. Flight prices from London Heathrow Airport to Athens during November average around £155.

On average, the least expensive day to fly to Athens from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £187. 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 £234.

Our most recent data shows that the best time of day to fly to Athens is at midday. Flights from London Heathrow Airport to Athens during this time can be as low as £170. Flights to Athens are more costly in the evening, with an average ticket price of £262. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Athens from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Athens for around £215 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 London Heathrow Airport for as low as £206 on momondo.

There are 3 cabin classes available to choose from on London Heathrow 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.

British Airways, KLM, and Air Serbia are the most popular carriers operating from London Heathrow to Athens Eleftherios V.

British Airways, Aegean Airlines and Scandinavian Airlines are the top three most popular airlines that fly to Athens from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 56% of people opting to fly with this airline when travelling to Athens. Keep in mind that there are 14 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between London and Athens 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 early afternoon have, in the past, seen delays more frequently in comparison.

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

According to our data, Aegean Airlines have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

6 flights are operational daily from London Heathrow Airport to Athens as of February 2026. The most popular departure time for this route is 16:00, with 52% of flights per day taking off in the afternoon.

48 flights are operational weekly from London Heathrow Airport to Athens as of February 2026. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.