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Cologne

$664+ Cheap flights from Washington to Cologne (CGN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$664
(Priceline)

Popular in

December

Cheapest in

March

Average price

$677
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
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($305 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:50 pmSEA - CGN
1 stop12h 00mLufthansa
Wed 5/216:05 amCGN - SEA
2 stops15h 20mLufthansa
Deal found 3/30$664
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:20 amSEA - CGN
2 stops18h 50mAir Canada
Wed 5/216:20 amCGN - SEA
2 stops22h 17mAir Canada
Deal found 3/30$682
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:30 pmSEA - CGN
1 stop15h 50mMultiple Airlines
Mon 10/69:15 pmCGN - SEA
1 stop22h 55mMultiple Airlines
Deal found 3/29$690
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:07 amSEA - CGN
2 stops22h 08mUnited Airlines
Wed 10/86:05 amCGN - SEA
1 stop19h 54mUnited Airlines
Deal found 3/29$706
This British Airways deal was found by Cheapflights users on 3/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:20 pmSEA - CGN
1 stop16h 05mBritish Airways
Mon 10/69:15 pmCGN - SEA
1 stop22h 55mBritish Airways
Deal found 3/29$719
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:39 amPDX - CGN
2 stops23h 51mBritish Airways
Mon 5/129:15 pmCGN - PDX
2 stops30h 26mBritish Airways
Deal found 3/30$898
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:25 pmPDX - CGN
1 stop17h 55mMultiple Airlines
Mon 5/126:15 pmCGN - PDX
2 stops59h 19mMultiple Airlines
Deal found 3/30$950
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:30 pmSEA - CGN
1 stop16h 20mTurkish Airlines
Wed 8/207:10 pmCGN - SEA
1 stop24h 25mTurkish Airlines
Deal found 3/30$1,184
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/97:25 pmPDX - CGN
1 stop16h 35mAmerican Airlines
Mon 4/1410:50 amCGN - PDX
1 stop15h 45mAmerican Airlines
Deal found 3/30$3,320
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:10 amPDX - CGN
2 stops41h 20mTurkish Airlines
Mon 4/147:10 pmCGN - PDX
2 stops38h 20mTurkish Airlines
Deal found 3/30$6,491
This SWISS deal was found by Cheapflights users on 3/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/810:50 amPDX - CGN
2 stops37h 20mSWISS
Wed 4/166:40 pmCGN - PDX
2 stops36h 56mSWISS
Deal found 3/30$7,939
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:05 pmPDX - CGN
2 stops35h 45mAir Canada
Tue 4/1512:55 pmCGN - PDX
2 stops18h 15mAir Canada
Deal found 3/30$8,181

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 March 31, 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

Wed 5/14

6:50 pm-3:50 pm

1 stop12h 00m

Cologne Köln/Bonn

Wed 5/21

6:05 am-12:25 pm

2 stops15h 20m

$664

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 5/14

7:20 am-11:10 am

2 stops18h 50m

Cologne Köln/Bonn

Wed 5/21

6:20 am-7:37 pm

2 stops22h 17m

$682

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 9/22

1:30 pm-2:20 pm

1 stop15h 50m

Cologne Köln/Bonn

Mon 10/6

9:15 pm-11:10 am

1 stop22h 55m

$690

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 9/22

5:07 am-12:15 pm

2 stops22h 08m

Cologne Köln/Bonn

Wed 10/8

6:05 am-4:59 pm

1 stop19h 54m

$706

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 9/23

8:20 pm-9:25 pm

1 stop16h 05m

Cologne Köln/Bonn

Mon 10/6

9:15 pm-11:10 am

1 stop22h 55m

$719

PortlandCologne

PDX - CGN

PDXCGN

Portland

Mon 5/5

11:39 am-8:30 pm

2 stops23h 51m

Cologne Köln/Bonn

Mon 5/12

9:15 pm-6:41 pm

2 stops30h 26m

$898

PortlandCologne

PDX - CGN

PDXCGN

Portland

Mon 5/5

7:25 pm-10:20 pm

1 stop17h 55m

Cologne Köln/Bonn

Mon 5/12

6:15 pm-8:34 pm

2 stops59h 19m

$950

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 8/16

12:30 pm-1:50 pm

1 stop16h 20m

Cologne Köln/Bonn

Wed 8/20

7:10 pm-10:35 am

1 stop24h 25m

$1,184

PortlandCologne

PDX - CGN

PDXCGN

Portland

Wed 4/9

7:25 pm-9:00 pm

1 stop16h 35m

Cologne Köln/Bonn

Mon 4/14

10:50 am-5:35 pm

1 stop15h 45m

$3,320

PortlandCologne

PDX - CGN

PDXCGN

Portland

Sat 4/12

7:10 am-9:30 am

2 stops41h 20m

Cologne Köln/Bonn

Mon 4/14

7:10 pm-12:30 am

2 stops38h 20m

$6,491

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 21 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 $1,478). 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 March 31, 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.

Rainfall in Cologne by month

Plan your trip to Cologne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cologne ranges from 2.0 - 3.5 inches per month. June is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Cologne when rainfall is around 2.0 in.

Temperature in Cologne by month

Plan your trip to Cologne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cologne, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 31, 2025.
Peruse reviews from past customers who have flown with SWISS, United Airlines and Turkish Airlines from Washington to Cologne to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,570 reviews

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.3

Entertainment

6.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,570 reviews
SWISS
7.5
Good
1,570 reviews

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.3

Entertainment

6.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,614 reviews
SWISS
7.5
Good
1,570 reviews

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.3

Entertainment

6.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Turkish Airlines
7.3
Good
3,748 reviews
SWISS
7.5
Good
1,570 reviews

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.3

Entertainment

6.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,570 reviews

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.3

Entertainment

6.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.0
Good
9,004 reviews
SWISS
7.5
Good
1,570 reviews

Crew

8.2

Boarding

7.6

Overall

7.5

Comfort

7.3

Entertainment

6.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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.

  • 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 $693. However, be on the lookout for offers from Lufthansa and American Airlines, 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, 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 $1,478). 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 2 airlines flying from Washington to Cologne

Discover the top 2 airlines 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$612Average$841FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$616Average$867FlexibilityNo cancel feeOn-time70%
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