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Cologne

$464+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
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 March 15, 2026.

This lol.travel deal was found by Cheapflights users on 3/11. 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 lol.travel 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
Tue 4/218:10 pm
CGN
-
SEA
1 stop29h 49m
Lufthansa
Deal found 3/11$672
This FlightHub deal was found by Cheapflights users on 3/15. 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
Air Canada
Tue 12/159:10 am
CGN
-
SEA
2 stops33h 41m
Air Canada
Deal found 3/15$690
This FlightHub deal was found by Cheapflights users on 3/15. 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 12/158:00 pm
CGN
-
SEA
1 stop26h 20m
Multiple Airlines
Deal found 3/15$700
This BusinessClass deal was found by Cheapflights users on 3/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:05 pm
SEA
-
CGN
2 stops41h 10m
Lufthansa
Tue 12/156:00 pm
CGN
-
SEA
1 stop28h 20m
Lufthansa
Deal found 3/13$703
This United Airlines deal was found by Cheapflights users on 3/14. 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 stops44h 31m
United Airlines
Tue 12/151:35 pm
CGN
-
SEA
2 stops40h 13m
United Airlines
Deal found 3/14$715
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Mon 4/278:00 am
SEA
-
CGN
2 stops19h 25m
Multiple Airlines
Mon 5/48:40 pm
CGN
-
SEA
2 stops31h 20m
Multiple Airlines
Deal found 3/13$722
This Gotogate deal was found by Cheapflights users on 3/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:39 pm
SEA
-
CGN
2 stops17h 41m
Multiple Airlines
Tue 4/218:40 pm
CGN
-
SEA
2 stops33h 13m
Multiple Airlines
Deal found 3/11$734

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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(lol.travel)

One-way from

$464
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$870
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. 22% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 15, 2026.
Use the filters below to find and compare flights from Seattle to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/12

6:50 pm-5:20 pm

1 stop13h 30m

Cologne Köln/Bonn

Tue 4/21

8:10 pm-4:59 pm

1 stop29h 49m

$672

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 4/24

5:00 am-12:25 pm

2 stops22h 25m

Cologne Köln/Bonn

Fri 5/1

1:05 pm-10:43 am

2 stops30h 38m

$755

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 5/14

1:07 pm-5:40 pm

2 stops19h 33m

Cologne Köln/Bonn

Thu 5/21

1:05 pm-11:10 pm

2 stops19h 05m

$824
Quickest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 3/25

4:10 pm-12:50 pm

1 stop12h 40m

Cologne Köln/Bonn

Tue 4/14

1:05 pm-11:27 pm

2 stops19h 22m

$830

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 3/25

4:10 pm-5:15 pm

1 stop17h 05m

Cologne Köln/Bonn

Mon 4/13

1:05 pm-7:00 pm

2 stops38h 55m

$840

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 3/26

3:40 pm-12:10 pm

2 stops36h 30m

Cologne Köln/Bonn

Wed 4/8

6:20 am-9:53 pm

2 stops24h 33m

$910

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 8/9

8:45 am-12:25 pm

2 stops18h 40m

Cologne Köln/Bonn

Mon 8/17

1:05 pm-9:07 pm

2 stops41h 02m

$949

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 8/9

6:50 pm-7:30 pm

1 stop15h 40m

Cologne Köln/Bonn

Sun 8/16

8:30 am-9:07 pm

2 stops21h 37m

$1,004

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 3/26

3:40 pm-4:20 pm

2 stops16h 40m

Cologne Köln/Bonn

Mon 4/6

1:05 pm-10:42 pm

2 stops18h 37m

$1,028

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 3/26

3:40 pm-4:20 pm

2 stops16h 40m

Cologne Köln/Bonn

Tue 4/7

1:05 pm-11:27 pm

3 stops43h 22m

$1,122

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 12 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 $667). 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 March 15, 2026.
See what other customers who have flown with Lufthansa and British Airways 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
7,849 reviews

Comfort

6.8

Food

6.3

Crew

7.6

Boarding

7.0

Entertainment

6.5

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
7,849 reviews
Lufthansa
6.8
Okay
7,849 reviews

Comfort

6.8

Food

6.3

Crew

7.6

Boarding

7.0

Entertainment

6.5

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.
British Airways
6.7
Okay
7,792 reviews
Lufthansa
6.8
Okay
7,849 reviews

Comfort

6.8

Food

6.3

Crew

7.6

Boarding

7.0

Entertainment

6.5

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 13h 30m. 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 are the cheapest airlines flying from Seattle to Cologne round-trip?

    Our cheapest airline available from Seattle to Cologne is British Airways. Our recent data shows that you can find tickets from as low as $535 on this airline. An additional option worth looking into is Lufthansa, starting at $546. British Airways is 37% 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 $667). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Seattle to Cologne

Discover the top 2 airlines 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 March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$535Average$820FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$546Average$841FlexibilityNo cancel feeOn-time76%

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