$326 Find cheap flights from Cologne to Seattle

In the last 3 days, the lowest price for a flight from Cologne to Seattle was $326 for a one-way ticket and $512 for a round-trip.

Yes, you’ll need a passport to travel to Seattle from Cologne.

Cologne and Seattle are both served by 1 main airport. You will leave Cologne from Cologne Köln/Bonn and will be arriving at Seattle/Tacoma Intl.

We unfortunately don’t have that data for this specific route.

Star Alliance, and oneworld are the airline alliances operating flights between Cologne and Seattle, with Star Alliance being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cologne to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Cologne is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Cologne with another airline. Booking your flights between Cologne and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Cologne up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.