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Cologne

$524+ Cheap flights from Seattle (SEA) to Cologne (CGN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Seattle to Cologne

Cheapest flights from Seattle to Cologne
Explore the most affordable flight options available from Seattle to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:05 am
SEA
-
CGN
2 stops28h 20m
Multiple Airlines
Sat 3/147:45 pm
CGN
-
SEA
1 stop26h 35m
Multiple Airlines
Deal found 1/25$555
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:05 pm
SEA
-
CGN
2 stops36h 30m
Air Canada
Tue 12/159:10 am
CGN
-
SEA
2 stops18h 16m
Air Canada
Deal found 1/26$572
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/84:10 pm
SEA
-
CGN
1 stop12h 25m
Lufthansa
Sat 3/147:45 pm
CGN
-
SEA
1 stop26h 35m
Lufthansa
Deal found 1/25$581
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:05 pm
SEA
-
CGN
2 stops32h 30m
Multiple Airlines
Tue 12/151:35 pm
CGN
-
SEA
1 stop32h 45m
Multiple Airlines
Deal found 1/26$582
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:15 am
SEA
-
CGN
2 stops26h 00m
United Airlines
Thu 3/191:35 pm
CGN
-
SEA
2 stops19h 24m
United Airlines
Deal found 1/26$587
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:15 am
SEA
-
CGN
2 stops45h 15m
United Airlines
Fri 3/209:10 am
CGN
-
SEA
2 stops41h 20m
United Airlines
Deal found 1/27$672
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:50 pm
SEA
-
CGN
1 stop13h 30m
Lufthansa
Sun 4/198:10 pm
CGN
-
SEA
2 stops55h 50m
Lufthansa
Deal found 1/28$715
This Orbitz deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/203:00 pm
SEA
-
CGN
2 stops18h 10m
Lufthansa
Wed 3/251:20 pm
CGN
-
SEA
2 stops37h 43m
Lufthansa
Deal found 1/26$723
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:44 am
SEA
-
CGN
3 stops64h 06m
United Airlines
Tue 12/151:35 pm
CGN
-
SEA
2 stops19h 58m
United Airlines
Deal found 1/26$725

Find flight deals from Seattle to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cologne (CGN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$555
(Mytrip)

One-way from

$524
(Cheapflightsfares)

Popular in

July

Cheapest in

November
Provider with most accurate pricing for Seattle/Tacoma Intl-Cologne Köln/Bonn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cologne Köln/Bonn flights.
Search Deals
From Seattle/Tacoma Intl to Cologne Köln/Bonn
Search Deals
One-way flight from Seattle/Tacoma Intl to Cologne Köln/Bonn
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($249 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Cologne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Seattle to Cologne that are best for you.

Fly from

Seattle

Fly to

Cologne

Route

Depart

Return

Price

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/8

10:05 am-10:25 pm

2 stops28h 20m

Cologne Köln/Bonn

Sat 3/14

7:45 pm-2:20 pm

1 stop26h 35m

$555

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/8

4:10 pm-12:35 pm

1 stop12h 25m

Cologne Köln/Bonn

Sat 3/14

7:45 pm-2:20 pm

1 stop26h 35m

$581

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 3/12

7:15 am-5:15 pm

2 stops26h 00m

Cologne Köln/Bonn

Thu 3/19

1:35 pm-12:59 am

2 stops19h 24m

$587

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

7:15 am-12:30 pm

2 stops45h 15m

Cologne Köln/Bonn

Fri 3/20

9:10 am-6:30 pm

2 stops41h 20m

$672

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/12

6:50 pm-5:20 pm

1 stop13h 30m

Cologne Köln/Bonn

Sun 4/19

8:10 pm-7:00 pm

2 stops55h 50m

$715

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/20

3:00 pm-5:10 pm

2 stops18h 10m

Cologne Köln/Bonn

Wed 3/25

1:20 pm-7:03 pm

2 stops37h 43m

$723

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

3:00 pm-7:00 pm

2 stops20h 00m

Cologne Köln/Bonn

Fri 3/20

9:10 am-2:20 pm

1 stop13h 10m

$750

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/8

3:40 pm-12:10 pm

2 stops36h 30m

Cologne Köln/Bonn

Sat 3/14

8:40 am-10:45 pm

2 stops46h 05m

$783

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 2/6

6:50 pm-4:20 pm

1 stop12h 30m

$524

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 2/6

3:10 pm-12:30 pm

1 stop12h 20m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 results
1
2

Compare providers for flights from Seattle to Cologne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Cologne in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Cologne flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Cologne flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Cologne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Cologne flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Cologne flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Cologne

What is the cheapest month to book a flight from Seattle to Cologne?

Currently, August is the cheapest month in which you can book a flight from Seattle to Cologne (average of $323). Flying from Seattle to Cologne in June is currently the most expensive (average of $728). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Cologne

Get insights into the airlines that provide service to Cologne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cologne. Reviews last updated January 28, 2026.
See what other customers who have flown with Lufthansa from Seattle to Cologne have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,749 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Entertainment

6.4

Food

6.3

Overall

6.8

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,749 reviews
Lufthansa
6.8
Okay
7,749 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Entertainment

6.4

Food

6.3

Overall

6.8

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cologne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Cologne?

    There are many flights that can get you from Seattle to Cologne in 12h 25m. Fly via Lufthansa or United Airlines to get the fastest option. The distance from Seattle to Cologne is about 5007 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seattle to Cologne round-trip?

    Our cheapest airline available from Seattle to Cologne is Lufthansa. Our recent data shows that you can find tickets from as low as $546 on this airline. Lufthansa is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Seattle to Cologne that include hotel bookings?

    Yes. In addition to deals on Seattle to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Cologne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Cologne.

  • Can I find deals for business class flights from Seattle to Cologne?

    Yes. Cheapflights offers flight deals from Seattle to Cologne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Cologne?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Cologne (average of $323). Flying from Seattle to Cologne in June is currently the most expensive (average of $728). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Seattle to Cologne

Discover the top airline that operate flights from Seattle to Cologne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$546Average$841FlexibilityNo cancel feeOn-time76%

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