When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

R11 059 Cheap Flights from Cologne to Seattle in 2026/27

Find the cheapest flights from Cologne to Seattle

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

9:20 - 14:00CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

12h 40m1 stop Munich Franz Josef Strauss

8:09 - 16:55SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

23h 46m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

R11 059United Airlines

Fri, Oct 30 - Sat, Nov 7

13:05 - 17:37CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

37h 32m2 stops Munich Franz Josef Strauss Denver Intl

23:14 - 17:40SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

33h 26m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

R11 189United Airlines

Thu, Oct 15 - Thu, Oct 22

9:20 - 13:00CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

12h 40m1 stop Munich Franz Josef Strauss

14:30 - 16:55SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

17h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

R11 807United Airlines

Fri, Nov 6 - Mon, Nov 9

9:20 - 13:00CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

12h 40m1 stop Munich Franz Josef Strauss

14:30 - 16:55SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

17h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

R11 823United Airlines

Fri, Nov 6 - Mon, Nov 9

13:05 - 16:59CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

12h 54m1 stop Munich Franz Josef Strauss

14:27 - 17:40SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

18h 13m2 stops Denver Intl Munich Franz Josef Strauss

R12 602United Airlines

Thu, Oct 15 - Thu, Oct 22

9:20 - 19:03CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

18h 43m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

14:30 - 16:55SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

17h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

R13 577United Airlines

Fri, Nov 6 - Mon, Nov 9

9:20 - 19:03CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

18h 43m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

14:30 - 16:55SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

17h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

R13 593United Airlines

Fri, Nov 6 - Mon, Nov 9

11:30 - 15:32CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

36h 02m2 stops Istanbul Chicago O'Hare Intl

22:56 - 10:30SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

26h 34m2 stops Chicago O'Hare Intl Istanbul

R14 957Multiple Airlines

Fri, Oct 30 - Sat, Nov 7

8:30 - 12:20CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

36h 50m2 stops Munich Franz Josef Strauss Frankfurt am Main

9:05 - 12:25SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

18h 20m2 stops San Francisco Munich Franz Josef Strauss

R15 168United Airlines

Sun, Oct 4 - Thu, Oct 8

13:05 - 16:59CGN Cologne Köln/Bonn-SEA Seattle/Tacoma Intl

12h 54m1 stop Munich Franz Josef Strauss

18:50 - 17:20SEA Seattle/Tacoma Intl-CGN Cologne Köln/Bonn

13h 30m1 stop Munich Franz Josef Strauss

R15 915Lufthansa

Sat, Oct 3 - Wed, Oct 7

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United Airlines flights from Cologne to Seattle

Our best United Airlines deals on Cologne to Seattle flight tickets

United Airlines

Oct 30

CGN9:20Cologne Köln/Bonn

12h 40m

1 stop

SEA14:00Seattle/Tacoma Intl

Nov 7

SEA8:09Seattle/Tacoma Intl

23h 46m

2 stops

CGN16:55Cologne Köln/Bonn

R11 059

United Airlines

Oct 15

CGN13:05Cologne Köln/Bonn

37h 32m

2 stops

SEA17:37Seattle/Tacoma Intl

Oct 22

SEA23:14Seattle/Tacoma Intl

33h 26m

2 stops

CGN17:40Cologne Köln/Bonn

R11 189

United Airlines

Nov 6

CGN9:20Cologne Köln/Bonn

12h 40m

1 stop

SEA13:00Seattle/Tacoma Intl

Nov 9

SEA14:30Seattle/Tacoma Intl

17h 25m

2 stops

CGN16:55Cologne Köln/Bonn

R11 807

Lufthansa flights from Cologne to Seattle

Our best Lufthansa deals on Cologne to Seattle flight tickets

Lufthansa

Oct 1

CGN8:30Cologne Köln/Bonn

17h 29m

1 stop

SEA16:59Seattle/Tacoma Intl

Oct 6

SEA18:50Seattle/Tacoma Intl

15h 40m

1 stop

CGN19:30Cologne Köln/Bonn

R11 108

Lufthansa

Oct 3

CGN13:05Cologne Köln/Bonn

12h 54m

1 stop

SEA16:59Seattle/Tacoma Intl

Oct 9

SEA18:50Seattle/Tacoma Intl

15h 05m

1 stop

CGN18:55Cologne Köln/Bonn

R15 915

Lufthansa

Oct 4

CGN8:30Cologne Köln/Bonn

17h 29m

1 stop

SEA16:59Seattle/Tacoma Intl

Oct 9

SEA18:50Seattle/Tacoma Intl

15h 05m

1 stop

CGN18:55Cologne Köln/Bonn

R19 829

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Fri 30/10

9:20-14:00

1 stop12h 40m

Seattle/Tacoma Intl

Sat 7/11

8:09-16:55

2 stops23h 46m

R11 059

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Thu 15/10

13:05-17:37

2 stops37h 32m

Seattle/Tacoma Intl

Thu 22/10

23:14-17:40

2 stops33h 26m

R11 189

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Fri 6/11

9:20-13:00

1 stop12h 40m

Seattle/Tacoma Intl

Mon 9/11

14:30-16:55

2 stops17h 25m

R11 807

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Fri 6/11

9:20-13:00

1 stop12h 40m

Seattle/Tacoma Intl

Mon 9/11

14:30-16:55

2 stops17h 25m

R11 823

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Thu 15/10

13:05-16:59

1 stop12h 54m

Seattle/Tacoma Intl

Thu 22/10

14:27-17:40

2 stops18h 13m

R12 602

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Fri 6/11

9:20-19:03

2 stops18h 43m

Seattle/Tacoma Intl

Mon 9/11

14:30-16:55

2 stops17h 25m

R13 577

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Fri 6/11

9:20-19:03

2 stops18h 43m

Seattle/Tacoma Intl

Mon 9/11

14:30-16:55

2 stops17h 25m

R13 593

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Fri 30/10

11:30-15:32

2 stops36h 02m

Seattle/Tacoma Intl

Sat 7/11

22:56-10:30

2 stops26h 34m

R14 957

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Sun 4/10

8:30-12:20

2 stops36h 50m

Seattle/Tacoma Intl

Thu 8/10

9:05-12:25

2 stops18h 20m

R15 168

Fastest return journey

CologneSeattle

CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl

CGNSEA

Cologne Köln/Bonn

Sat 3/10

13:05-16:59

1 stop12h 54m

Seattle/Tacoma Intl

Wed 7/10

18:50-17:20

1 stop13h 30m

R15 915

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cologne to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Cologne Köln/Bonn to Seattle/Tacoma Intl?

United Airlines is the most popular carrier operating from Cologne Köln/Bonn to Seattle/Tacoma Intl

When to book flights from Cologne to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Cologne to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cologne to Seattle (CGN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cologne to Seattle

Best price found	R24 539
Direct flights	None

The best one-way flight to Seattle from Cologne in the past 72 hours is R24 539. The best return flight deal from Cologne to Seattle found on momondo in the last 72 hours is R11 059.

There are no direct flights from Cologne to Seattle. There are no popular flight routes from Cologne to Seattle.

Search flight deals

Frequently asked questions about flying from Cologne to Seattle

How far is Cologne Köln/Bonn to Seattle/Tacoma Intl by plane?
The distance between Cologne Köln/Bonn and Seattle/Tacoma Intl is about 8030,6 km.
When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Lynnwood

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Why should I use momondo to find a flight deal from Cologne to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cologne to Seattle for you.

Can I find flights from Cologne to Seattle with flexible booking policies on momondo?

All flight searches from Cologne to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Cologne to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cologne to Seattle.

I’m not ready to book a flight from Cologne to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Cologne and alert you when they change.