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Cheap flights from Washington to Cologne from $433

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Cologne departing on 6/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:50 pm - 5:20 pm
SEA
-
CGN
13h 30m
1 stop
United Airlines Logo
1:05 pm - 10:42 pm
CGN
-
SEA
18h 37m
2 stops
$749United Airlines
Sun, Apr 19 - Tue, Apr 28
Lufthansa Logo
6:50 pm - 5:20 pm
SEA
-
CGN
13h 30m
1 stop
Lufthansa Logo
8:10 pm - 4:59 pm
CGN
-
SEA
29h 49m
1 stop
$753Lufthansa
Sun, Apr 19 - Tue, Apr 28
Austrian Airlines Logo
7:00 am - 7:55 pm
SEA
-
CGN
27h 55m
2 stops
Austrian Airlines Logo
8:40 pm - 8:53 pm
CGN
-
SEA
33h 13m
2 stops
$787Austrian Airlines
Mon, May 4 - Mon, May 11
Lufthansa Logo
6:50 pm - 6:55 pm
SEA
-
CGN
15h 05m
1 stop
Lufthansa Logo
8:30 am - 4:59 pm
CGN
-
SEA
17h 29m
1 stop
$790Lufthansa
Fri, May 8 - Fri, May 15
Lufthansa Logo
1:07 pm - 5:40 pm
SEA
-
CGN
19h 33m
2 stops
Lufthansa Logo
8:30 am - 4:59 pm
CGN
-
SEA
17h 29m
1 stop
$845Lufthansa
Fri, May 8 - Fri, May 15
Turkish Airlines Logo
7:10 pm - 9:25 am
SEA
-
CGN
29h 15m
1 stop
Turkish Airlines Logo
7:10 pm - 5:15 pm
CGN
-
SEA
31h 05m
1 stop
$896Turkish Airlines
Mon, May 4 - Mon, May 11
Lufthansa Logo
2:15 pm - 12:25 pm
PDX
-
CGN
37h 10m
2 stops
Lufthansa Logo
8:10 pm - 12:53 am
CGN
-
PDX
37h 43m
2 stops
$896Lufthansa
Sat, Sep 19 - Sun, Sep 27
Lufthansa Logo
2:10 pm - 7:45 am
SEA
-
CGN
32h 35m
2 stops
Lufthansa Logo
6:25 pm - 4:59 pm
CGN
-
SEA
31h 34m
1 stop
$905Lufthansa
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
1:07 pm - 6:55 pm
SEA
-
CGN
20h 48m
2 stops
Multiple Airlines Logo
8:30 am - 9:08 pm
CGN
-
SEA
21h 38m
2 stops
$928Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
7:10 pm - 9:55 pm
SEA
-
CGN
17h 45m
1 stop
Multiple Airlines Logo
2:40 pm - 4:00 pm
CGN
-
SEA
34h 20m
2 stops
$939Multiple Airlines
Mon, May 4 - Mon, May 11

Lufthansa flights from State of Washington to Cologne

Our best Lufthansa deals on State of Washington to Cologne flight tickets
Lufthansa
Apr 19
SEA6:50 pmSeattle/Tacoma Intl
13h 30m
1 stop
CGN5:20 pmCologne Köln/Bonn
Apr 28
CGN8:10 pmCologne Köln/Bonn
29h 49m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$753
Lufthansa
May 8
SEA6:50 pmSeattle/Tacoma Intl
15h 05m
1 stop
CGN6:55 pmCologne Köln/Bonn
May 15
CGN8:30 amCologne Köln/Bonn
17h 29m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$790
Lufthansa
May 8
SEA1:07 pmSeattle/Tacoma Intl
19h 33m
2 stops
CGN5:40 pmCologne Köln/Bonn
May 15
CGN8:30 amCologne Köln/Bonn
17h 29m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$845

Turkish Airlines flights from State of Washington to Cologne

Our best Turkish Airlines deals on State of Washington to Cologne flight tickets
Turkish Airlines
May 4
SEA7:10 pmSeattle/Tacoma Intl
29h 15m
1 stop
CGN9:25 amCologne Köln/Bonn
May 11
CGN7:10 pmCologne Köln/Bonn
31h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$896
Turkish Airlines
May 2
SEA7:10 pmSeattle/Tacoma Intl
33h 40m
1 stop
CGN1:50 pmCologne Köln/Bonn
May 9
CGN2:50 pmCologne Köln/Bonn
35h 25m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$953
Turkish Airlines
May 5
SEA7:10 pmSeattle/Tacoma Intl
33h 40m
1 stop
CGN1:50 pmCologne Köln/Bonn
May 7
CGN7:10 pmCologne Köln/Bonn
31h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$1,012

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Washington to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/19

6:50 pm-5:20 pm

1 stop13h 30m

Cologne Köln/Bonn

Tue 4/28

1:05 pm-10:42 pm

2 stops18h 37m

$749

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/19

6:50 pm-5:20 pm

1 stop13h 30m

Cologne Köln/Bonn

Tue 4/28

8:10 pm-4:59 pm

1 stop29h 49m

$753

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/4

7:00 am-7:55 pm

2 stops27h 55m

Cologne Köln/Bonn

Mon 5/11

8:40 pm-8:53 pm

2 stops33h 13m

$787

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/8

6:50 pm-6:55 pm

1 stop15h 05m

Cologne Köln/Bonn

Fri 5/15

8:30 am-4:59 pm

1 stop17h 29m

$790

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/8

1:07 pm-5:40 pm

2 stops19h 33m

Cologne Köln/Bonn

Fri 5/15

8:30 am-4:59 pm

1 stop17h 29m

$845

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/4

7:10 pm-9:25 am

1 stop29h 15m

Cologne Köln/Bonn

Mon 5/11

7:10 pm-5:15 pm

1 stop31h 05m

$896

PortlandCologne

PDX - CGN

PDXCGN

Portland

Sat 9/19

2:15 pm-12:25 pm

2 stops37h 10m

Cologne Köln/Bonn

Sun 9/27

8:10 pm-12:53 am

2 stops37h 43m

$896

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 5/2

2:10 pm-7:45 am

2 stops32h 35m

Cologne Köln/Bonn

Sat 5/9

6:25 pm-4:59 pm

1 stop31h 34m

$905

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/8

1:07 pm-6:55 pm

2 stops20h 48m

Cologne Köln/Bonn

Fri 5/15

8:30 am-9:08 pm

2 stops21h 38m

$928

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/4

7:10 pm-9:55 pm

1 stop17h 45m

Cologne Köln/Bonn

Mon 5/11

2:40 pm-4:00 pm

2 stops34h 20m

$939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Cologne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on State of Washington to Cologne flights?

You could potentially save up to 61% on your flight if you consider stops on a State of Washington to Cologne flight.

Cheap State of Washington to Cologne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Cologne

Fastest flight time

16h 40m

Direct flights

None
The fastest flight from State of Washington to Cologne takes 16h 40m
There are no direct flights from State of Washington to Cologne. There are no popular flight routes from State of Washington to Cologne.
Search flight deals

  • When did momondo last update prices for flights from Washington to Cologne Köln/Bonn Airport?

    Prices for flights from Washington to Cologne Köln/Bonn Airport refresh daily.

  • How many operators does momondo search for flights from Washington to Cologne Köln/Bonn Airport?

  • How old do you have to be to fly from Washington to Cologne Köln/Bonn Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Cologne Köln/Bonn Airport.

  • What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

    The travel and health documents you'll need for your trip to Cologne Köln/Bonn Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cologne Köln/Bonn Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Cologne

Compare and see reviews for airlines that fly from State of Washington to Cologne with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $535Free CancellationRating
6.7
7,813 reviews
Search British Airways flights
LufthansaPriceFrom $546Free CancellationRating
6.8
7,864 reviews
Search Lufthansa flights

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Why should I use momondo to find a flight deal from Washington to Cologne?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Cologne. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Cologne with flexible booking policies on momondo?

All flight searches from Washington to Cologne on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Cologne?

Once all potential Washington to Cologne flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Cologne right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Cologne flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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