Title: Cheap Brussels Airlines fights from Frankfurt to Kos - Expedia.ca ![Kos featuring a castle and a coastal town](https://images.trvl-media.com/place/1804/71d210e5-8360-4faf-8e0e-489f0841a4ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1804/71d210e5-8360-4faf-8e0e-489f0841a4ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Brussels Airlines fights from Frankfurt (FRA) to Kos (KGS) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Frankfurt (FRA) to Kos (KGS) ### September is typically the cheapest month to fly From CA $261 - CA $474 per traveller. __Flight from Frankfurt to Kos (FRA - KGS) route information__ | Origin airport | Frankfurt Intl. | | ------------------- | ---------------- | | Destination airport | Kos Island Intl. | | Distance | 2076 km | \*Available to Expedia members.