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Cologne

$399+ 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
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:40 pmSEA - CGN
2 stops15h 30mMultiple Airlines
Wed 1/219:10 amCGN - SEA
1 stop13h 10mMultiple Airlines
Deal found 12/11$3,225
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:40 amSEA - CGN
2 stops16h 30mMultiple Airlines
Wed 12/319:10 amCGN - SEA
1 stop13h 10mMultiple Airlines
Deal found 12/11$4,238

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$598
(Cheapflightsfares)

One-way from

$399
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$2,247
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. 30% potential increase in price ($433 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease ($142 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

Fri 1/30

9:25 am-12:10 pm

2 stops17h 45m

Cologne Köln/Bonn

Tue 2/3

6:45 am-12:59 am

2 stops27h 14m

$775

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

5:50 am-5:10 pm

2 stops26h 20m

Cologne Köln/Bonn

Tue 2/3

8:40 am-9:31 am

2 stops33h 51m

$879

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

7:00 pm-10:35 am

1 stop30h 35m

Cologne Köln/Bonn

Tue 2/3

6:15 pm-5:05 pm

1 stop31h 50m

$973

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 1/25

5:10 pm-12:50 pm

2 stops34h 40m

Cologne Köln/Bonn

Sun 2/1

1:40 pm-9:12 pm

2 stops40h 32m

$1,523

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 1/7

3:40 pm-4:10 pm

2 stops15h 30m

Cologne Köln/Bonn

Wed 1/28

9:10 am-1:20 pm

1 stop13h 10m

$3,133

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 1/8

2:10 pm-3:40 pm

2 stops16h 30m

Cologne Köln/Bonn

Wed 1/28

9:10 am-1:20 pm

1 stop13h 10m

$3,137

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 12/17

10:40 am-12:10 pm

2 stops16h 30m

Cologne Köln/Bonn

Wed 12/31

9:10 am-1:20 pm

1 stop13h 10m

$4,238

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 1/6

11:00 am-12:10 pm

2 stops16h 10m

Cologne Köln/Bonn

Tue 1/27

8:40 am-6:14 pm

2 stops18h 34m

$5,866

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 12/31

3:40 pm-4:10 pm

2 stops15h 30m

Cologne Köln/Bonn

Wed 1/21

8:40 am-6:14 pm

2 stops18h 34m

$6,256

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 2/6

3:10 pm-12:30 pm

1 stop12h 20m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Cologne flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $729). 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.

What is the cheapest time of day to fly from SEA to CGN?

Find hourly flight availability from Seattle to Cologne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from Seattle to Cologne is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 30% on airfare.

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 December 12, 2025.
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
7,626 reviews

Food

6.3

Comfort

6.8

Crew

7.6

Entertainment

6.4

Overall

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,626 reviews
Lufthansa
6.8
Okay
7,626 reviews

Food

6.3

Comfort

6.8

Crew

7.6

Entertainment

6.4

Overall

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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 17h 45m. Fly via United Airlines, Air Canada, or Turkish 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 43% 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 $729). 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.

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$546Average$841FlexibilityNo cancel feeOn-time76%

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