$942 Cheap KLM flights Seattle (SEA) to Cotonou (COO)

You'll find affordable return KLM flights from $1,148 from SEA to COO by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from $942 for a one-way journey.**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.

To discover cheap flights from SEA to COO with KLM, start searching about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Sort your results by "Early Morning" and "Morning" to find the earliest departures from SEA to COO. Taking off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

A 4-star airline rating and the chance to rack up points through KLM Flying Blue are the start of the reasons to jet off from SEA to COO with KLM. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* on top of KLM's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.