Cheap flights from London Heathrow Airport to Athens from €100

The month of January is, on average, the cheapest month to fly to Athens from London Heathrow Airport, with most prices found around €158. 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 €178.

The cheapest day to depart on your flight to Athens is on a Thursday when prices can be found for as low as €242. 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 Friday because tickets tend to average around €247. 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 afternoon when flights can be purchased for as low as €242. Try not to purchase tickets in the morning because they tend to be around €247. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 €247 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 €237 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 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.

As of February 2026, 9 flights take off from London Heathrow Airport and land in Athens each day. The most common flight departure time for this route is 16:00, with 52% of daily flights taking off in the afternoon.

As of February 2026, there are 64 flights per week flying from London Heathrow Airport to Athens. The most common day of the week flights depart is Fri, with 25% of flights taking off on this day.