$603 Cheap KLM flights Seattle (SEA) to Eindhoven (EIN)

Apply the "Price (lowest to highest)" filter on Expedia to find cheap KLM return flights from $921 from SEA to EIN. Affordable one-way tickets from $603 are available too.**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.

Check for KLM flights from SEA to EIN about one month before you want to go. The most affordable time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class and itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**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 "Morning" and "Early Morning" to browse the earliest departures from SEA to EIN. Heading 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 opportunity to collect points through KLM Flying Blue are the start of the reasons to fly from SEA to EIN with KLM. Plus, when you join our One Key™ program, you can receive OneKeyCash™* alongside 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.