Cheap flights from Greece to London from £56

In general, November is the cheapest month to fly from Greece to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £53. The month of July is another great option to travel to London Heathrow Airport, with average flight prices from Greece averaging around £54.

On average, the least expensive day to fly to London Heathrow Airport from Greece is on a Thursday. momondo users have found tickets for Thursday departures for as low as £131. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £229.

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Greece to London Heathrow Airport at midday for as low as £143. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £236 on average. Flights to London Heathrow Airport from Greece in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Greece when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £213 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Greece for as low as £142 on momondo.

There are 3 cabin classes available to choose from on Greece to London Heathrow Airport 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 16% of flights between Greece and London have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

Generally, flights departing in the morning 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. Friday 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 12% of their flights experiencing any sort of delay.

As of June 2026, there are 19 flights per day flying from Greece to London Heathrow Airport. The most common time of day flights depart is 13:00, with 53% of flights taking off in the afternoon.

The number of flights available between Greece and London Heathrow Airport is 135 per week as of June 2026. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.