What’s the cost of a flight from London Heathrow to Kos?

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and Kos.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Best airport options between London and Kos

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in London: London is served by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Kos: Kos is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Adjust your flight filters for London Heathrow – Kos

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Greece? These cities are popular too: Athens, Crete, Kerkyra, Thessaloniki, Thira.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.