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$403+ Cheap flights from Washington 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
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Washington to Cologne

Keep the following information in mind while searching for Washington to Cologne flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$517
(AirNGo)

One-way from

$403
(Air Canada)

Popular in

December

Cheapest in

April

Average price

$1,226
Provider with most accurate pricing for Seattle/Tacoma Intl-Cologne Köln/Bonn flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cologne Köln/Bonn flights.
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From Washington to Cologne Köln/Bonn
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One-way flight from Washington to Cologne Köln/Bonn
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Highest demand for flights based on searches. 30% potential increase in price ($460 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($129 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Washington to Cologne

Cheapest flights from Washington to Cologne
Explore the most affordable flight options available from Washington to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This AirNGo deal was found by Cheapflights users on 10/29. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:05 amSEA - CGN
2 stops41h 05mAir Canada
Tue 12/96:45 amCGN - SEA
2 stops24h 31mAir Canada
Deal found 10/29$517
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:05 amSEA - CGN
2 stops17h 30mLufthansa
Tue 12/97:40 pmCGN - SEA
1 stop26h 40mLufthansa
Deal found 10/29$522
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:20 amPDX - CGN
2 stops24h 55mMultiple Airlines
Sat 11/86:15 pmCGN - PDX
2 stops35h 35mMultiple Airlines
Deal found 10/29$1,103
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/305:45 amSEA - CGN
2 stops45h 25mMultiple Airlines
Mon 12/812:55 amCGN - SEA
1 stop25h 10mMultiple Airlines
Deal found 10/29$1,263
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:45 pmPDX - CGN
1 stop13h 25mBritish Airways
Sat 11/85:10 pmCGN - PDX
1 stop31h 45mBritish Airways
Deal found 10/29$1,912
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 11/510:52 amPDX - CGN
2 stops16h 18mMultiple Airlines
Tue 11/119:10 amCGN - PDX
2 stops17h 42mMultiple Airlines
Deal found 10/30$3,638
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 12/173:10 pmSEA - CGN
1 stop12h 40mMultiple Airlines
Wed 12/3112:00 pmCGN - SEA
2 stops16h 16mMultiple Airlines
Deal found 10/29$4,216
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Tue 11/410:53 amSEA - CGN
2 stops16h 17mMultiple Airlines
Sat 11/88:40 amCGN - SEA
2 stops18h 24mMultiple Airlines
Deal found 10/30$5,872
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Tue 12/3010:52 amSEA - CGN
2 stops16h 43mMultiple Airlines
Sat 1/108:40 amCGN - SEA
2 stops18h 42mMultiple Airlines
Deal found 10/30$10,447
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Mon 12/2910:52 amSEA - CGN
2 stops16h 18mMultiple Airlines
Fri 1/99:10 amCGN - SEA
1 stop13h 10mMultiple Airlines
Deal found 10/29$10,509

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 October 30, 2025.
Use the filters below to find and compare flights from Washington to Cologne that are best for you.

Fly from

Washington

Fly to

Cologne

Route

Depart

Return

Price

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/30

10:05 am-12:10 pm

2 stops41h 05m

Cologne Köln/Bonn

Tue 12/9

6:45 am-10:16 pm

2 stops24h 31m

$517

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/30

10:05 am-12:35 pm

2 stops17h 30m

Cologne Köln/Bonn

Tue 12/9

7:40 pm-1:20 pm

1 stop26h 40m

$522

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 4/21

10:10 am-5:10 pm

2 stops22h 00m

Cologne Köln/Bonn

Thu 5/7

6:05 pm-4:59 pm

1 stop31h 54m

$574

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 4/21

1:35 pm-9:25 pm

1 stop22h 50m

Cologne Köln/Bonn

Thu 5/7

9:55 pm-6:25 pm

1 stop29h 30m

$604

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

7:50 pm-4:20 pm

1 stop12h 30m

Cologne Köln/Bonn

Tue 3/17

5:05 pm-5:55 pm

1 stop32h 50m

$776

PortlandCologne

PDX - CGN

PDXCGN

Portland

Fri 3/13

6:45 pm-4:20 pm

1 stop13h 35m

Cologne Köln/Bonn

Tue 3/17

5:05 pm-4:55 pm

1 stop31h 50m

$789

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 4/21

8:00 am-11:10 am

2 stops18h 10m

Cologne Köln/Bonn

Thu 5/7

7:40 am-12:51 am

3 stops26h 11m

$888

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

4:10 pm-12:30 pm

1 stop12h 20m

Cologne Köln/Bonn

Tue 3/17

9:10 am-7:16 pm

2 stops18h 06m

$913

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

7:00 am-11:05 am

2 stops20h 05m

Cologne Köln/Bonn

Tue 3/17

8:20 pm-10:32 pm

2 stops34h 12m

$1,163

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/30

5:45 am-12:10 pm

2 stops45h 25m

Cologne Köln/Bonn

Mon 12/8

12:55 am-5:05 pm

1 stop25h 10m

$1,263

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 17 results
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Best time to book a flight from Washington to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Washington 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 Washington to Cologne

What is the cheapest month to book a flight from State of Washington to Cologne?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Cologne (average of $323). Flying from State of Washington to Cologne in June is currently the most expensive (average of $730). 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 WA to CGN?

Find hourly flight availability from Washington 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Cologne in the morning. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from State of Washington to Cologne?

Related info for your journey

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

  • What airport do you fly into for flights to Cologne from Washington?

    For a flight from Washington to Cologne, you will be flying into Köln/Bonn. Cologne Köln/Bonn (CGN) is just 9.5 mi from the center of the city.

  • How long is the flight from State of Washington to Cologne?

    For as low as $522, Air Canada can have you in Cologne from State of Washington in 17h 30m. The distance between State of Washington and Cologne is about 5007 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Cologne one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $403. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from State of Washington to Cologne for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Cologne?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Cologne (average of $323). Flying from State of Washington to Cologne in June is currently the most expensive (average of $730). 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 Washington to Cologne

Discover the top airline that operate flights from Washington 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$566Average$841FlexibilityNo cancel feeOn-time76%

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