Find the best flight deals available from hundreds of sites within seconds
Trusted and free
Cheapflights is 100% free to use. No hidden charges!
Book with flexibility
Easily find flight tickets with no change fees
Cheap first class flights to Kos in 2026
Find the latest flights to Kos in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 7,457,451 searches and data were last updated on 18 September 2026.
Travel insights for first class flights from United Kingdom to Kos
Get recent, data-driven insights about first class flights from United Kingdom to Kos including ideal travel times, pricing trends, and more.
Rainfall in Kos by month
Plan your trip to Kos by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Kos ranges from 2.0 - 169.0 inches per month. January is typically the wettest month, when rainfall can reach 169.0 mm. July is typically the driest time to visit Kos when rainfall is around 2.0 mm.
Temperature in Kos by month
Plan your trip to Kos by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 10.0 C).
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
More first class flights
Popular routes
Complete your trip
Complement your first class flight to Kos by adding a car hire and/or hotel room to your itinerary.
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.