Cologne

$525+ 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
Feb 28 — Mar 71
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Cheap 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 January 29, 2026.

This FlightHub 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 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 stops18h 16m
Air Canada
Deal found 1/27$574
This FlightHub 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 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 1/27$584
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 1/27. 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.
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 1/27$727
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:00 pm
SEA
-
CGN
2 stops20h 00m
Lufthansa
Fri 3/209:10 am
CGN
-
SEA
1 stop13h 10m
Lufthansa
Deal found 1/27$750
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:15 pm
PDX
-
CGN
2 stops22h 10m
Air Canada
Sun 2/226:55 pm
CGN
-
PDX
2 stops47h 20m
Air Canada
Deal found 1/28$775
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 4/127:00 am
SEA
-
CGN
2 stops40h 50m
Multiple Airlines
Sun 4/198:10 pm
CGN
-
SEA
2 stops35h 27m
Multiple Airlines
Deal found 1/28$815
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:45 pm
PDX
-
CGN
1 stop13h 25m
British Airways
Sun 2/224:35 pm
CGN
-
PDX
1 stop32h 20m
British Airways
Deal found 1/26$820
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
PDX
-
CGN
2 stops26h 10m
Multiple Airlines
Fri 9/2510:25 am
CGN
-
PDX
2 stops33h 00m
Multiple Airlines
Deal found 1/28$1,028
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:56 am
PDX
-
CGN
2 stops16h 39m
Lufthansa
Mon 5/111:00 pm
CGN
-
PDX
2 stops18h 30m
Lufthansa
Deal found 1/27$1,038

Find flight deals from Washington to Cologne

Keep the following information in mind while searching for Washington to Cologne flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(United Airlines)

One-way from

$525
(Cheapflightsfares)

Popular in

July

Cheapest in

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

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 January 29, 2026.
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

7:15 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

PortlandCologne

PDX - CGN

PDXCGN

Portland

Wed 2/18

3:15 pm-10:25 pm

2 stops22h 10m

Cologne Köln/Bonn

Sun 2/22

6:55 pm-9:15 am

2 stops47h 20m

$775

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/12

7:00 am-8:50 am

2 stops40h 50m

Cologne Köln/Bonn

Sun 4/19

8:10 pm-10:37 pm

2 stops35h 27m

$815

PortlandCologne

PDX - CGN

PDXCGN

Portland

Wed 2/18

5:45 pm-4:10 pm

1 stop13h 25m

Cologne Köln/Bonn

Sun 2/22

4:35 pm-3:55 pm

1 stop32h 20m

$820

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/12

7:10 pm-6:10 pm

1 stop38h 00m

Cologne Köln/Bonn

Sun 4/19

7:10 pm-5:15 pm

1 stop31h 05m

$924

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 3/14

3:00 pm-8:25 am

2 stops33h 25m

Cologne Köln/Bonn

Sat 3/21

9:10 am-1:10 pm

2 stops60h 00m

$932

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 3/14

8:00 pm-5:15 pm

1 stop37h 15m

Cologne Köln/Bonn

Sat 3/21

11:35 am-6:05 pm

1 stop38h 30m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 15 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 $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.

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 $715, United Airlines can have you in Cologne from State of Washington in 13h 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, 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 $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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Cologne

See prices for flight routes from nearby airports that may be better suited for you.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$546Average$841FlexibilityNo cancel feeOn-time76%

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