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Cheap flights from Washington to Cologne from $288

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 9/1. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:15 pm - 5:15 pm
SEA
-
CGN
41h 00m
2 stops
Air Canada Logo
9:10 am - 9:57 pm
CGN
-
SEA
21h 47m
2 stops
$789Air Canada
Sat, Dec 5 - Tue, Dec 15
Air Canada Logo
3:15 pm - 5:15 pm
SEA
-
CGN
41h 00m
2 stops
Air Canada Logo
9:10 am - 9:57 pm
CGN
-
SEA
21h 47m
2 stops
$790Air Canada
Sat, Dec 5 - Tue, Dec 15
Multiple Airlines Logo
3:15 pm - 12:35 pm
SEA
-
CGN
36h 20m
2 stops
Multiple Airlines Logo
8:00 pm - 1:00 pm
CGN
-
SEA
26h 00m
1 stop
$799Multiple Airlines
Sat, Dec 5 - Tue, Dec 15
Multiple Airlines Logo
3:15 pm - 12:35 pm
SEA
-
CGN
36h 20m
2 stops
Multiple Airlines Logo
6:00 pm - 1:00 pm
CGN
-
SEA
28h 00m
1 stop
$801Multiple Airlines
Sat, Dec 5 - Tue, Dec 15
Multiple Airlines Logo
7:00 pm - 9:05 pm
SEA
-
CGN
17h 05m
2 stops
Multiple Airlines Logo
10:55 am - 8:40 pm
CGN
-
SEA
18h 45m
2 stops
$804Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
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
$807Lufthansa
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
5:50 am - 9:05 pm
SEA
-
CGN
30h 15m
3 stops
Multiple Airlines Logo
6:40 pm - 9:07 pm
CGN
-
SEA
35h 27m
3 stops
$819Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
5:50 am - 5:20 pm
SEA
-
CGN
26h 30m
2 stops
Multiple Airlines Logo
6:05 pm - 4:59 pm
CGN
-
SEA
31h 54m
1 stop
$831Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
Lufthansa Logo
8:00 am - 5:15 pm
SEA
-
CGN
24h 15m
2 stops
Lufthansa Logo
6:00 pm - 1:00 pm
CGN
-
SEA
28h 00m
1 stop
$848Lufthansa
Sat, Dec 5 - Tue, Dec 15
United Airlines Logo
8:35 am - 5:20 pm
PDX
-
CGN
23h 45m
3 stops
United Airlines Logo
8:30 am - 9:05 pm
CGN
-
PDX
21h 35m
2 stops
$991United Airlines
Tue, Aug 4 - Tue, Aug 11

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Turkish Airlines flights from State of Washington to Cologne

Our best Turkish Airlines deals on State of Washington to Cologne flight tickets
Turkish Airlines
Dec 5
SEA7:05 pmSeattle/Tacoma Intl
30h 25m
1 stop
CGN10:30 amCologne Köln/Bonn
Dec 15
CGN11:30 amCologne Köln/Bonn
38h 40m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,018
Turkish Airlines
Dec 5
SEA7:05 pmSeattle/Tacoma Intl
30h 25m
1 stop
CGN10:30 amCologne Köln/Bonn
Dec 15
CGN11:30 amCologne Köln/Bonn
38h 40m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,019
Turkish Airlines
Nov 8
SEA7:05 pmSeattle/Tacoma Intl
30h 25m
1 stop
CGN10:30 amCologne Köln/Bonn
Nov 12
CGN6:10 pmCologne Köln/Bonn
32h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,144

Lufthansa flights from State of Washington to Cologne

Our best Lufthansa deals on State of Washington to Cologne flight tickets
Lufthansa
Aug 25
SEA6:50 pmSeattle/Tacoma Intl
13h 30m
1 stop
CGN5:20 pmCologne Köln/Bonn
Aug 31
CGN8:10 pmCologne Köln/Bonn
29h 49m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$807
Lufthansa
Dec 5
SEA8:00 amSeattle/Tacoma Intl
24h 15m
2 stops
CGN5:15 pmCologne Köln/Bonn
Dec 15
CGN6:00 pmCologne Köln/Bonn
28h 00m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$848
Lufthansa
Dec 5
SEA3:15 pmSeattle/Tacoma Intl
41h 00m
2 stops
CGN5:15 pmCologne Köln/Bonn
Dec 15
CGN8:00 pmCologne Köln/Bonn
26h 00m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$850

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 June 21, 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

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 12/5

3:15 pm-5:15 pm

2 stops41h 00m

Cologne Köln/Bonn

Tue 12/15

9:10 am-9:57 pm

2 stops21h 47m

$789

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 12/5

3:15 pm-5:15 pm

2 stops41h 00m

Cologne Köln/Bonn

Tue 12/15

9:10 am-9:57 pm

2 stops21h 47m

$790

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 12/5

3:15 pm-12:35 pm

2 stops36h 20m

Cologne Köln/Bonn

Tue 12/15

8:00 pm-1:00 pm

1 stop26h 00m

$799

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 12/5

3:15 pm-12:35 pm

2 stops36h 20m

Cologne Köln/Bonn

Tue 12/15

6:00 pm-1:00 pm

1 stop28h 00m

$801
Quickest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 8/25

7:00 pm-9:05 pm

2 stops17h 05m

Cologne Köln/Bonn

Mon 8/31

10:55 am-8:40 pm

2 stops18h 45m

$804

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 8/25

6:50 pm-5:20 pm

1 stop13h 30m

Cologne Köln/Bonn

Mon 8/31

8:10 pm-4:59 pm

1 stop29h 49m

$807

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 8/25

5:50 am-9:05 pm

3 stops30h 15m

Cologne Köln/Bonn

Mon 8/31

6:40 pm-9:07 pm

3 stops35h 27m

$819

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 8/25

5:50 am-5:20 pm

2 stops26h 30m

Cologne Köln/Bonn

Mon 8/31

6:05 pm-4:59 pm

1 stop31h 54m

$831

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 12/5

8:00 am-5:15 pm

2 stops24h 15m

Cologne Köln/Bonn

Tue 12/15

6:00 pm-1:00 pm

1 stop28h 00m

$848

PortlandCologne

PDX - CGN

PDXCGN

Portland

Tue 8/4

8:35 am-5:20 pm

3 stops23h 45m

Cologne Köln/Bonn

Tue 8/11

8:30 am-9:05 pm

2 stops21h 35m

$991

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

13h 30m

Direct flights

None
The fastest flight from State of Washington to Cologne takes 13h 30m
There are no direct flights from State of Washington to Cologne. There are no popular flight routes from State of Washington to Cologne.
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Frequently asked questions about flying from Washington to Cologne

  • 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
LufthansaPriceFrom $523Free CancellationRating
6.8
8,085 reviews
Search Lufthansa flights
British AirwaysPriceFrom $535Free CancellationRating
6.7
8,063 reviews
Search British Airways flights

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

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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?

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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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