Cheap flights from London Heathrow Airport to Athens from $142

In general, January is the cheapest month to fly from London Heathrow Airport to Athens. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $265. If you aren’t able to travel to Athens during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $299.

The cheapest day to depart on your flight to Athens is on a Saturday when prices can be found for as low as $237. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Athens is Friday, with ticket prices averaging around $406.

At midday is the cheapest time of day to fly from London Heathrow Airport to Athens when you can find flight prices for as low as $271. Flying to Athens at midday is an ideal time because this is during off-peak travel hours. Flights to Athens are more costly in the evening, with an average ticket price of $407. 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 $417 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 $397 on momondo.

There are 2 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.

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 107 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 16% of their flights experiencing any sort of delay.

9 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 55% of flights per day taking off in the afternoon.

66 flights are operational weekly from London Heathrow Airport to Athens as of February 2026. The most popular departure day for this route is Fri, with 26% of flights per week taking off on this day.