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Cheap flights from Washington to Cologne from $439

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 2/6. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:50 pm - 10:05 amSEA-CGN
30h 15m1 stop
British Airways Logo
12:00 pm - 4:55 pmCGN-SEA
13h 55m1 stop
$564British Airways
Find Deal
Sun, Dec 7 - Wed, Dec 24
Lufthansa Logo
10:05 am - 12:35 pmSEA-CGN
17h 30m2 stops
Lufthansa Logo
9:10 am - 1:20 pmCGN-SEA
13h 10m1 stop
$573Lufthansa
Find Deal
Sun, Dec 7 - Wed, Dec 24
Lufthansa Logo
1:40 pm - 5:10 pmSEA-CGN
18h 30m2 stops
Lufthansa Logo
9:10 am - 1:20 pmCGN-SEA
13h 10m1 stop
$577Lufthansa
Find Deal
Tue, Dec 9 - Wed, Dec 24
United Airlines Logo
3:10 pm - 5:10 pmSEA-CGN
17h 00m1 stop
United Airlines Logo
1:35 pm - 1:20 pmCGN-SEA
32h 45m1 stop
$583United Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 23
United Airlines Logo
7:00 am - 12:50 pmSEA-CGN
20h 50m2 stops
United Airlines Logo
1:35 pm - 1:20 pmCGN-SEA
32h 45m1 stop
$587United Airlines
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Wed, Dec 10 - Tue, Dec 23
Air Canada Logo
8:10 am - 12:10 pmSEA-CGN
19h 00m2 stops
Air Canada Logo
6:45 am - 10:16 pmCGN-SEA
24h 31m2 stops
$605Air Canada
Find Deal
Fri, Nov 7 - Tue, Nov 18
Multiple Airlines Logo
3:15 pm - 4:20 pmPDX-CGN
16h 05m2 stops
Multiple Airlines Logo
9:10 am - 9:26 pmCGN-PDX
21h 16m2 stops
$620Multiple Airlines
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Thu, Nov 6 - Thu, Nov 13
Multiple Airlines Logo
8:10 am - 6:55 pmSEA-CGN
25h 45m2 stops
Multiple Airlines Logo
8:20 pm - 8:54 pmCGN-SEA
33h 34m2 stops
$630Multiple Airlines
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Thu, Dec 4 - Mon, Dec 15
Turkish Airlines Logo
8:00 pm - 5:15 pmSEA-CGN
37h 15m1 stop
Turkish Airlines Logo
11:35 am - 6:05 pmCGN-SEA
38h 30m1 stop
$898Turkish Airlines
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Sat, Mar 14 - Thu, Mar 19
Air Canada Logo
9:50 am - 4:20 pmPDX-CGN
21h 30m2 stops
Air Canada Logo
8:40 am - 9:15 amCGN-PDX
33h 35m3 stops
$1,016Air Canada
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Thu, Nov 6 - Thu, Nov 13

British Airways flights from State of Washington to Cologne

Our best British Airways deals on State of Washington to Cologne flight tickets
British Airways
Dec 7
SEA6:50 pmSeattle/Tacoma Intl
30h 15m
1 stop
CGN10:05 amCologne Köln/Bonn
Dec 24
CGN12:00 pmCologne Köln/Bonn
13h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$564
Find similar
British Airways
Nov 14
PDX5:45 pmPortland
13h 35m
1 stop
CGN4:20 pmCologne Köln/Bonn
Nov 18
CGN5:05 pmCologne Köln/Bonn
31h 50m
1 stop
PDX3:55 pmPortland
$628
Find similar
British Airways
Dec 9
SEA1:25 pmSeattle/Tacoma Intl
18h 05m
1 stop
CGN4:30 pmCologne Köln/Bonn
Dec 23
CGN11:45 amCologne Köln/Bonn
14h 10m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$664
Find similar

Lufthansa flights from State of Washington to Cologne

Our best Lufthansa deals on State of Washington to Cologne flight tickets
Lufthansa
Dec 7
SEA10:05 amSeattle/Tacoma Intl
17h 30m
2 stops
CGN12:35 pmCologne Köln/Bonn
Dec 24
CGN9:10 amCologne Köln/Bonn
13h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$573
Find similar
Lufthansa
Dec 9
SEA1:40 pmSeattle/Tacoma Intl
18h 30m
2 stops
CGN5:10 pmCologne Köln/Bonn
Dec 24
CGN9:10 amCologne Köln/Bonn
13h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$577
Find similar
Lufthansa
Dec 9
SEA2:00 pmSeattle/Tacoma Intl
18h 10m
2 stops
CGN5:10 pmCologne Köln/Bonn
Dec 26
CGN9:10 amCologne Köln/Bonn
13h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$651
Find similar

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 October 8, 2025.
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

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 12/7

6:50 pm-10:05 am

1 stop30h 15m

Cologne Köln/Bonn

Wed 12/24

12:00 pm-4:55 pm

1 stop13h 55m

$564

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 12/7

10:05 am-12:35 pm

2 stops17h 30m

Cologne Köln/Bonn

Wed 12/24

9:10 am-1:20 pm

1 stop13h 10m

$573

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 12/9

1:40 pm-5:10 pm

2 stops18h 30m

Cologne Köln/Bonn

Wed 12/24

9:10 am-1:20 pm

1 stop13h 10m

$577

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 12/7

3:10 pm-5:10 pm

1 stop17h 00m

Cologne Köln/Bonn

Tue 12/23

1:35 pm-1:20 pm

1 stop32h 45m

$583

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 12/10

7:00 am-12:50 pm

2 stops20h 50m

Cologne Köln/Bonn

Tue 12/23

1:35 pm-1:20 pm

1 stop32h 45m

$587

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 11/7

8:10 am-12:10 pm

2 stops19h 00m

Cologne Köln/Bonn

Tue 11/18

6:45 am-10:16 pm

2 stops24h 31m

$605

PortlandCologne

PDX - CGN

PDXCGN

Portland

Thu 11/6

3:15 pm-4:20 pm

2 stops16h 05m

Cologne Köln/Bonn

Thu 11/13

9:10 am-9:26 pm

2 stops21h 16m

$620

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 12/4

8:10 am-6:55 pm

2 stops25h 45m

Cologne Köln/Bonn

Mon 12/15

8:20 pm-8:54 pm

2 stops33h 34m

$630

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 3/14

8:00 pm-5:15 pm

1 stop37h 15m

Cologne Köln/Bonn

Thu 3/19

11:35 am-6:05 pm

1 stop38h 30m

$898

PortlandCologne

PDX - CGN

PDXCGN

Portland

Thu 11/6

9:50 am-4:20 pm

2 stops21h 30m

Cologne Köln/Bonn

Thu 11/13

8:40 am-9:15 am

3 stops33h 35m

$1,016

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

What is the cheapest day to depart on your flight to Cologne?

The cheapest day to depart from State of Washington to Cologne is on a Wednesday when prices can be found for as low as $887. On the other hand, Friday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,168.

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is at noon when flights can be purchased for as low as $1,070. In the afternoon is when there is more demand to fly to Cologne, so prices are often more expensive at around $1,532 per ticket.

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

You could potentially save up to 65% 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

Direct flights

None
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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  • 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 $566Free CancellationRating
6.8
7,461 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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