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Cheap flights from Washington to Cologne from $328

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 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:35 am - 12:35 pm
SEA
-
CGN
17h 00m
2 stops
Multiple Airlines Logo
6:00 pm - 6:26 pm
CGN
-
SEA
33h 26m
2 stops
$803Multiple Airlines
Sun, Nov 1 - Mon, Nov 9
Turkish Airlines Logo
8:00 pm - 10:35 am
SEA
-
CGN
29h 35m
1 stop
Turkish Airlines Logo
11:35 am - 5:05 pm
CGN
-
SEA
38h 30m
1 stop
$948Turkish Airlines
Sun, Nov 1 - Mon, Nov 9
Multiple Airlines Logo
6:05 pm - 10:50 pm
SEA
-
CGN
19h 45m
2 stops
Multiple Airlines Logo
5:50 am - 4:00 pm
CGN
-
SEA
19h 10m
2 stops
$1,015Multiple Airlines
Thu, Jun 4 - Fri, Jun 12
Lufthansa Logo
11:05 am - 12:25 pm
PDX
-
CGN
16h 20m
2 stops
Lufthansa Logo
1:05 pm - 11:22 pm
CGN
-
PDX
19h 17m
2 stops
$1,016Lufthansa
Thu, Aug 6 - Tue, Aug 25
Multiple Airlines Logo
2:35 pm - 11:45 pm
SEA
-
CGN
24h 10m
3 stops
Multiple Airlines Logo
8:50 am - 5:00 pm
CGN
-
SEA
17h 10m
2 stops
$1,026Multiple Airlines
Sun, Nov 1 - Mon, Nov 9
Multiple Airlines Logo
6:05 pm - 10:50 am
SEA
-
CGN
31h 45m
3 stops
Multiple Airlines Logo
5:50 am - 4:00 pm
CGN
-
SEA
19h 10m
2 stops
$1,081Multiple Airlines
Thu, Jun 4 - Fri, Jun 12
Lufthansa Logo
3:30 pm - 6:55 pm
PDX
-
CGN
18h 25m
2 stops
Lufthansa Logo
1:05 pm - 10:45 pm
CGN
-
PDX
18h 40m
2 stops
$1,092Lufthansa
Fri, Aug 7 - Mon, Aug 31
Multiple Airlines Logo
3:00 pm - 5:20 pm
SEA
-
CGN
17h 20m
2 stops
Multiple Airlines Logo
8:10 pm - 4:59 pm
CGN
-
SEA
29h 49m
1 stop
$1,107Multiple Airlines
Mon, Jun 22 - Mon, Jun 29
Lufthansa Logo
6:50 pm - 5:40 pm
SEA
-
CGN
13h 50m
1 stop
Lufthansa Logo
1:05 pm - 10:40 pm
CGN
-
SEA
18h 35m
2 stops
$1,185Lufthansa
Thu, Jun 4 - Fri, Jun 12
Air Canada Logo
3:30 pm - 5:20 pm
PDX
-
CGN
16h 50m
2 stops
Air Canada Logo
1:05 pm - 9:30 am
CGN
-
PDX
29h 25m
2 stops
$1,671Air Canada
Sun, Jun 7 - Thu, Jun 11

Lufthansa flights from State of Washington to Cologne

Our best Lufthansa deals on State of Washington to Cologne flight tickets
Lufthansa
May 13
SEA6:50 pmSeattle/Tacoma Intl
27h 55m
1 stop
CGN7:45 amCologne Köln/Bonn
May 20
CGN8:30 amCologne Köln/Bonn
17h 29m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$950
Lufthansa
May 13
SEA8:10 amSeattle/Tacoma Intl
38h 35m
2 stops
CGN7:45 amCologne Köln/Bonn
May 20
CGN1:05 pmCologne Köln/Bonn
12h 54m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$955
Lufthansa
Aug 6
PDX11:05 amPortland
16h 20m
2 stops
CGN12:25 pmCologne Köln/Bonn
Aug 25
CGN1:05 pmCologne Köln/Bonn
19h 17m
2 stops
PDX11:22 pmPortland
$1,016

United Airlines flights from State of Washington to Cologne

Our best United Airlines deals on State of Washington to Cologne flight tickets
United Airlines
Jun 9
SEA6:50 pmSeattle/Tacoma Intl
13h 30m
1 stop
CGN5:20 pmCologne Köln/Bonn
Jun 15
CGN6:20 amCologne Köln/Bonn
26h 12m
2 stops
SEA11:32 pmSeattle/Tacoma Intl
$1,398
United Airlines
Jun 9
SEA1:00 pmSeattle/Tacoma Intl
19h 20m
2 stops
CGN5:20 pmCologne Köln/Bonn
Jun 15
CGN6:20 amCologne Köln/Bonn
21h 45m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
$1,403

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 May 10, 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

Sun 11/1

10:35 am-12:35 pm

2 stops17h 00m

Cologne Köln/Bonn

Mon 11/9

6:00 pm-6:26 pm

2 stops33h 26m

$803

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/1

8:00 pm-10:35 am

1 stop29h 35m

Cologne Köln/Bonn

Mon 11/9

11:35 am-5:05 pm

1 stop38h 30m

$948

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/4

6:05 pm-10:50 pm

2 stops19h 45m

Cologne Köln/Bonn

Fri 6/12

5:50 am-4:00 pm

2 stops19h 10m

$1,015

PortlandCologne

PDX - CGN

PDXCGN

Portland

Thu 8/6

11:05 am-12:25 pm

2 stops16h 20m

Cologne Köln/Bonn

Tue 8/25

1:05 pm-11:22 pm

2 stops19h 17m

$1,016

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/1

2:35 pm-11:45 pm

3 stops24h 10m

Cologne Köln/Bonn

Mon 11/9

8:50 am-5:00 pm

2 stops17h 10m

$1,026

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/4

6:05 pm-10:50 am

3 stops31h 45m

Cologne Köln/Bonn

Fri 6/12

5:50 am-4:00 pm

2 stops19h 10m

$1,081

PortlandCologne

PDX - CGN

PDXCGN

Portland

Fri 8/7

3:30 pm-6:55 pm

2 stops18h 25m

Cologne Köln/Bonn

Mon 8/31

1:05 pm-10:45 pm

2 stops18h 40m

$1,092

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 6/22

3:00 pm-5:20 pm

2 stops17h 20m

Cologne Köln/Bonn

Mon 6/29

8:10 pm-4:59 pm

1 stop29h 49m

$1,107
Quickest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/4

6:50 pm-5:40 pm

1 stop13h 50m

Cologne Köln/Bonn

Fri 6/12

1:05 pm-10:40 pm

2 stops18h 35m

$1,185

PortlandCologne

PDX - CGN

PDXCGN

Portland

Sun 6/7

3:30 pm-5:20 pm

2 stops16h 50m

Cologne Köln/Bonn

Thu 6/11

1:05 pm-9:30 am

2 stops29h 25m

$1,671

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Cologne from

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

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from State of Washington is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of January, then departing from State of Washington during the month April is also very affordable. Most momondo users find prices during this month for around $523.

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 20m

Direct flights

None
The fastest flight from State of Washington to Cologne takes 16h 20m
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

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
British AirwaysPriceFrom $535Free CancellationRating
6.7
7,967 reviews
Search British Airways flights
LufthansaPriceFrom $546Free CancellationRating
6.8
7,986 reviews
Search Lufthansa flights

Why use momondo?

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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