Cheap Flights from Seattle (SEA) to Aachen (AAH)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Aachen (AAH-Merzbruck)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck) cost?
Secure a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between SEA and AAH. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SEA to AAH. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck)?
There aren't any daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from SEA to AAH?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck) last-minute?
Waiting until just before your trip to book your flight from SEA to AAH often results in higher prices. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for a better chance of getting a bargain.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Aachen (AAH-Merzbruck)?
It's usually possible to reschedule or cancel your SEA to AAH 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.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Merzbruck
Distance
4990 mi

Book with confidence

Book with confidence

Seattle to Aachen Flights

The cheapest times to fly from Seattle to Aachen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Aachen are during the month of . You can find some of the cheapest flights from Seattle to Aachen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Aachen

Sunday is one of the best days to book for cheap flights from Seattle to Aachen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Aachen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Aachen in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Aachen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Aachen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Aachen Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.