£1,391 Cheap KLM flights from Cardiff to Key West (CWL→EYW)

You'll find cheap round-trip KLM flights £702 from CWL to EYW by organising your results from "Price (lowest to highest)" on Expedia. Or look for options from £1,391 for a one-way trip.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for round-trip or one-way flights to Key West in September or August. You could find cheaper fares with KLM during these off-peak travel months.

To figure out if there's a direct trip from CWL to EYW with KLM or any other carriers, use our "Nonstop" filter when looking for tickets.

Board a KLM flight from Cardiff Intl. Airport (CWL) to Key West, and you'll likely touch down at Key West Intl. Airport (EYW). This is the airline's primary hub in this destination.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that time. For further information about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your itinerary without being charged, apply the "Changes included" or "No cancel fee" filter when organising your next trip.