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$422+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$593
(British Airways)

One-way from

$422
(Expedia)

Popular in

December

Cheapest in

April

Average price

$809
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. 27% potential increase in price ($421 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($124 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:48 amPDX - CGN
2 stops20h 22mBritish Airways
Wed 11/55:15 pmCGN - PDX
2 stops37h 05mBritish Airways
Deal found 9/14$697
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:45 pmPDX - CGN
1 stop13h 35mBritish Airways
Tue 11/185:05 pmCGN - PDX
1 stop31h 50mBritish Airways
Deal found 9/15$732
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:25 pmPDX - CGN
1 stop16h 05mBritish Airways
Thu 10/305:05 pmCGN - PDX
1 stop31h 50mBritish Airways
Deal found 9/14$786
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/253:50 pmSEA - CGN
2 stops22h 30mMultiple Airlines
Thu 10/307:55 pmCGN - SEA
3 stops30h 05mMultiple Airlines
Deal found 9/15$837
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:02 pmPDX - CGN
2 stops16h 08mUnited Airlines
Tue 11/181:35 pmCGN - PDX
2 stops19h 51mUnited Airlines
Deal found 9/15$933
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/142:55 pmSEA - CGN
2 stops17h 15mAir Canada
Sun 9/216:05 amCGN - SEA
2 stops25h 11mAir Canada
Deal found 9/14$944
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:50 amPDX - CGN
3 stops25h 25mMultiple Airlines
Wed 11/58:40 amCGN - PDX
2 stops33h 35mMultiple Airlines
Deal found 9/14$992
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:50 pmSEA - CGN
2 stops24h 30mMultiple Airlines
Tue 10/2812:55 amCGN - SEA
1 stop25h 10mMultiple Airlines
Deal found 9/15$1,100
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:25 pmPDX - CGN
2 stops15h 25mAir Canada
Thu 10/308:40 amCGN - PDX
3 stops32h 35mAir Canada
Deal found 9/14$1,190
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:00 pmSEA - CGN
1 stop30h 35mTurkish Airlines
Wed 10/2911:35 amCGN - SEA
1 stop38h 30mTurkish Airlines
Deal found 9/15$1,197

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 September 16, 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

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

$593

PortlandCologne

PDX - CGN

PDXCGN

Portland

Wed 10/29

11:48 am-4:10 pm

2 stops20h 22m

Cologne Köln/Bonn

Wed 11/5

5:15 pm-9:20 pm

2 stops37h 05m

$697

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

4:10 pm-5:10 pm

1 stop17h 00m

Cologne Köln/Bonn

Tue 3/17

1:35 pm-9:59 am

2 stops28h 24m

$711

PortlandCologne

PDX - CGN

PDXCGN

Portland

Fri 11/14

5:45 pm-4:20 pm

1 stop13h 35m

Cologne Köln/Bonn

Tue 11/18

5:05 pm-3:55 pm

1 stop31h 50m

$732

PortlandCologne

PDX - CGN

PDXCGN

Portland

Mon 10/20

7:25 pm-8:30 pm

1 stop16h 05m

Cologne Köln/Bonn

Thu 10/30

5:05 pm-4:55 pm

1 stop31h 50m

$786

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 10/25

3:50 pm-11:20 pm

2 stops22h 30m

Cologne Köln/Bonn

Wed 10/29

7:40 pm-6:00 pm

3 stops30h 20m

$837

PortlandCologne

PDX - CGN

PDXCGN

Portland

Fri 11/14

12:55 pm-5:10 pm

2 stops19h 15m

Cologne Köln/Bonn

Tue 11/18

1:35 pm-12:26 am

2 stops19h 51m

$933

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 10/25

7:15 pm-12:10 pm

2 stops56h 55m

Cologne Köln/Bonn

Thu 10/30

5:05 pm-12:30 pm

1 stop27h 25m

$962

PortlandCologne

PDX - CGN

PDXCGN

Portland

Wed 10/29

9:50 am-7:15 pm

3 stops25h 25m

Cologne Köln/Bonn

Wed 11/5

9:10 am-9:15 am

3 stops33h 05m

$1,026

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 2/6

6:50 pm-4:20 pm

1 stop12h 30m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 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, October is the cheapest month in which you can book a flight from State of Washington to Cologne (average of $649). Flying from State of Washington to Cologne in June is currently the most expensive (average of $1,249). 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 September 16, 2025.

When flying from State of Washington to Cologne, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 $593, British Airways can have you in Cologne from State of Washington in 12h 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.

  • 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, October is the cheapest month in which you can book a flight from State of Washington to Cologne (average of $649). Flying from State of Washington to Cologne in June is currently the most expensive (average of $1,249). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$578Average$841FlexibilityNo cancel feeOn-time76%

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