£271 Cheap Flights from Seattle (SEA) to Amsterdam (AMS)

February is typically the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Amsterdam (AMS-Schiphol), with average return fares of approximately £545. This is about 26% lower than the average price throughout the year. February sees lower prices because it falls outside of peak travel seasons, when demand drops and airlines compete for bookings. January and November are also good months to find deals on this route.

*Averages based on flights available on Expedia in the last year.

To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Amsterdam (AMS-Schiphol), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Seattle - Tacoma Intl. (SEA) to Amsterdam (AMS-Schiphol) (AMS) will differ from traveller to traveller. If you like to fly early, Delta Air Lines offers early morning flights. If price is the most important factor, Delta Air Lines typically offers the lowest fares. Delta Air Lines offers the most daily flights from Seattle - Tacoma Intl. (SEA) to Amsterdam (AMS-Schiphol) (AMS), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to find the cheapest flights from Seattle - Tacoma Intl. (SEA) to Amsterdam (AMS-Schiphol) (AMS) is typically in January or February. You can expect average return flight prices around £545 during these months. This period often sees lower demand after the holiday season, which is why airlines tend to offer more affordable fares. If you're looking for a budget-friendly trip, these early months of the year are a great option.

*Prices based on flights available on Expedia in the last year.

You'll find the most flight options from Seattle - Tacoma Intl. (SEA) to Amsterdam (AMS-Schiphol) on a Friday, with around 96 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and Alaska Airlines. Flight options are notably more on Fridays compared to other days of the week, offering you a good selection.

The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Schiphol (AMS) are in the early morning, from 6am to 9am. Approximately 30% of passengers prefer this time window. Many major carriers, including Delta Air Lines, United Airlines and KLM, offer flights during this window. This timing works well because you can get an early start on your journey and arrive at your destination with plenty of time left in the day.

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Amsterdam (AMS-Schiphol) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Amsterdam (AMS-Schiphol) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.