Cheap flights from London to Greek islands from £19

The cheapest month to fly to Greek islands from London is in November. Flight prices, which tend to average around £88, are often lower during this time because this is during the off-season. If you aren’t able to travel to Greek islands during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of £129.

The cheapest day to depart on your flight to Greek islands is on a Tuesday when prices can be found for as low as £271. 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 Greek islands is Saturday, with ticket prices averaging around £384.

Flying to Greek islands from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £242 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around £305. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Stansted to Thera Santorini for the best London - Greek islands flight prices

You are more likely to see cheaper flights to Greek islands from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Greek islands for around £270 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Greek islands from London for as low as £217 on momondo.

There are 3 cabin classes available to choose from on London to Greek islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

easyJet, Wizz Air, and Ryanair are the most popular carriers operating from London to Greek islands

easyJet, British Airways and Ryanair are the top three most popular airlines that fly to Greek islands from London according to our data. easyJet is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Greek islands. Keep in mind that there are 20 different airlines that fly to Greek islands on a routine basis, so you have a few additional options to choose from.

As of April 2026, there are 11 flights per day flying from London to Greek islands. The most common time of day flights depart is 08:00, with 68% of flights taking off at midday.

As of April 2026, 80 flights take off from London and land in Greek islands each week. The most common flight departure day for this route is Sat, with 26% of weekly flights taking off on this day.