Cheap Flights from Seattle (SEA) to Maastricht (MST)

Discover the latest flight deals from SEA to MST by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.

The cheapest flights from SEA to MST are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.

Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SEA to MST. Sort your results by “Price (lowest to highest)” to snap up a great deal.

Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Maastricht - Aachen Airport (MST) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”

Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.

Opt for a flight from Seattle - Tacoma Intl. Airport (SEA) to Maastricht - Aachen Airport (MST) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Last-minute fares from SEA to MST are generally more expensive. For the best rates, start looking for flights ahead of time. That said, if you’re flexible with your travel dates, it’s possible to find a cheap fare right before your trip.

Opting for a SEA to MST flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Generally, it’s possible to reschedule or cancel your SEA to MST flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.