£20 Cheap flights to Greek islands

You can find flights to Greek islands from 16 airlines. If you’re unsure which to fly with, consider booking your flight with easyJet, Ryanair or TUI Airways as these are the most popular among our users. easyJet is the most favoured with 53% of momondo travellers booking flights with this airline.

The best day of the week to fly to Greek islands is Monday due to prices being at their lowest. Flying out on a Saturday should be a backup plan since this day tends to be less expensive as well. Tuesday, on the other hand, is the most expensive day to fly to Greek islands.

Prices for flights to Greek islands were last updated today.

As of September 2026, there are 31 operators available to choose from for flights to Greek islands.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Greek islands.

The travel and health documents you'll need for your trip to Greek islands may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Greek islands. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.