Cheap Flights from Seattle (SEAA) to Cologne (CGN)

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Compare Seattle to Cologne flight deals

Find the cheapest month or even day of the year to fly to Cologne

Book the best Cologne fare with no extra fees

Find the cheapest month to fly from Seattle to Cologne

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Cologne flights are currently cheapest in July.

Seattle to Cologne: Alternative routes

Compare routes from Seattle to Cologne below. You may find an airport to fly into that's cheaper, faster, or easier than Cologne.

Seattle to Cologne: Flight information

The things to know before you go.
Cheapest flight found$266
Cheapest month to flyJuly

Finding cheap flights from Seattle to Cologne: Frequently asked questions

The best price we found for a round-trip flight from Seattle to Cologne is $585. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Cologne. But we found flights with one stop from $585.
There are no flights flying from Seattle to Cologne, as of June 2025.
The cheapest month to fly from Seattle to Cologne is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Cologne Airport on Monday, August 18, 2025.
No airlines currently offer direct flights between Seattle and Cologne Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cologne but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Cologne is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Cologne is Air Canada.

Traveling from Seattle to Cologne Bonn Airport (CGN): what you need to know

  • There are two main airports to choose from in Seattle. Explore your options leaving from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base (LKE) when planning your flight from Seattle to Cologne Bonn Airport (CGN).

  • The timezone in Cologne is UTC+1, which is 8 hours ahead of Seattle. Cologne Bonn Airport is located in Cologne.

  • Your flight from Seattle to CGN won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Hopping on a plane during a peak time like July? High seasons (like spring break, summer and New Year) can easily add another hour at check-in and security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • A stopover is the ideal opportunity to break up your trip — and perhaps even tour another city. When searching for flights from Seattle to CGN departing from Seattle-Tacoma International Airport (SEA), deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • London Heathrow Airport (LHR)

    • Istanbul Ataturk Airport (IST)

    • Franz Josef Strauss Airport (MUC)

  • SEA is approximately 14 miles from central Seattle. To work out how to get there, use Google Maps. This essential travel app will give you the fastest route and available public transport options.

  • Planning to catch an early flight from Seattle to Cologne Bonn Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels near Seattle-Tacoma International Airport:

Lake Union Sea Plane Base (LKE)

  • Visit family or friends or just take a moment to stretch your legs with a stopover. If you'd like to split up your flight from Seattle to Cologne Bonn Airport, browse these options when departing from Lake Union Sea Plane Base:

    • London Heathrow Airport (LHR)

    • Franz Josef Strauss Airport (MUC)

    • Dublin Airport (DUB)

  • Using public transport, you can travel from central Seattle to LKE in around 23 minutes. The terminal is roughly 2 miles away, and making the trip by car will take approximately 11 minutes.

  • You're off on vacation, so why not spend another night away? Think about checking in to one of these accommodation options near Lake Union Sea Plane Base the day before your flight from Seattle to CGN:

About Cologne Bonn Airport (CGN)

Getting from Cologne Bonn Airport (CGN) to central Cologne

  • Cologne Bonn Airport to central Cologne is about 18 minutes in a car. It's approximately 9 miles away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • Traveling to the center on public transport takes around 30 minutes.

How to find the cheapest flights from Seattle to Cologne Bonn Airport (CGN)

  • Pick up a one-way ticket from Seattle to Cologne Bonn Airport from $266 or travel return from just $585. Prices are accurate at the time of listing and may change based on availability when you book.

  • It's a good idea to book ahead of time if you're hoping to get cheap tickets from Seattle to CGN. That's because flight prices are based on demand, which tends to increase closer to the departure date.

  • Use the 'Whole month' tool and compare the prices of tickets from Seattle to Cologne Bonn Airport across the entire month. The lowest fares are marked in green, so you can quickly pick a flight your budget will love.

  • Locking in a cheap ticket from Seattle to CGN couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when the price drops.

  • Take advantage of the filters to find your ideal trip. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Seattle to Cologne Bonn Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

The best time to fly from Seattle to Cologne Bonn Airport (CGN)

  • February is the quietest time of year to travel to Cologne. Alternatively, follow the crowds and visit in July. This is the most popular month for flights from Seattle to Cologne Bonn Airport, but the best time to go is your call.

  • When booking your flight from Seattle to CGN, think about the type of weather you enjoy. August is the warmest month in Cologne, with the temperature ranging from 54ºF to 82ºF.

  • Look for cheap flights from Seattle to Cologne Bonn Airport in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 27ºF and 45ºF on average.

More about Cologne

Complete your Cologne trip with a car rental

  • Exit all those tabs and leave the hard work to us. We've also got amazing deals on car rentals in Cologne once you've booked your cheap flight from Seattle to Cologne Bonn Airport. Easily compare prices all in one place and drive away with the perfect rental for less.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.