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Cheap flights from Seattle to Cologne from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle 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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0 bags

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Find the cheapest flights from Seattle to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:25 am - 12:10 pm
SEA
-
CGN
17h 45m2 stops
United Airlines Logo
6:45 am - 12:59 am
CGN
-
SEA
27h 14m2 stops
$775United Airlines
Fri, Jan 30 - Tue, Feb 3
Air Canada Logo
5:50 am - 5:10 pm
SEA
-
CGN
26h 20m2 stops
Air Canada Logo
8:40 am - 9:31 am
CGN
-
SEA
33h 51m2 stops
$879Air Canada
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
3:10 pm - 5:10 pm
SEA
-
CGN
17h 00m1 stop
United Airlines Logo
6:45 am - 9:12 pm
CGN
-
SEA
23h 27m2 stops
$880United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
7:00 am - 5:10 pm
SEA
-
CGN
25h 10m2 stops
United Airlines Logo
6:45 am - 3:44 pm
CGN
-
SEA
41h 59m3 stops
$898United Airlines
Fri, Jan 30 - Tue, Feb 3
Turkish Airlines Logo
7:00 pm - 10:35 am
SEA
-
CGN
30h 35m1 stop
Turkish Airlines Logo
11:35 am - 5:05 pm
CGN
-
SEA
38h 30m1 stop
$973Turkish Airlines
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
3:10 pm - 5:15 pm
SEA
-
CGN
17h 05m1 stop
Multiple Airlines Logo
6:15 pm - 5:05 pm
CGN
-
SEA
31h 50m1 stop
$2,331Multiple Airlines
Wed, Dec 31 - Fri, Jan 2
Turkish Airlines Logo
7:00 pm - 10:35 am
SEA
-
CGN
30h 35m1 stop
Turkish Airlines Logo
6:15 pm - 9:07 pm
CGN
-
SEA
35h 52m2 stops
$2,570Turkish Airlines
Wed, Dec 31 - Fri, Jan 2
Turkish Airlines Logo
10:52 am - 10:35 am
SEA
-
CGN
38h 43m2 stops
Turkish Airlines Logo
6:15 pm - 9:07 pm
CGN
-
SEA
35h 52m2 stops
$2,823Turkish Airlines
Wed, Dec 31 - Fri, Jan 2
Multiple Airlines Logo
3:40 pm - 4:10 pm
SEA
-
CGN
15h 30m2 stops
Multiple Airlines Logo
9:10 am - 1:20 pm
CGN
-
SEA
13h 10m1 stop
$3,133Multiple Airlines
Wed, Jan 7 - Wed, Jan 28
Multiple Airlines Logo
2:10 pm - 3:40 pm
SEA
-
CGN
16h 30m2 stops
Multiple Airlines Logo
9:10 am - 1:20 pm
CGN
-
SEA
13h 10m1 stop
$3,137Multiple Airlines
Thu, Jan 8 - Wed, Jan 28

Lufthansa flights from Seattle to Cologne

Our best Lufthansa deals on Seattle to Cologne flight tickets
Lufthansa
Apr 8
SEA6:50 pmSeattle/Tacoma Intl
13h 30m
1 stop
CGN5:20 pmCologne Köln/Bonn
Apr 29
CGN8:30 amCologne Köln/Bonn
17h 29m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$598
Find similar
Lufthansa
Apr 8
SEA8:00 amSeattle/Tacoma Intl
19h 20m
2 stops
CGN12:20 pmCologne Köln/Bonn
Apr 29
CGN8:30 amCologne Köln/Bonn
17h 29m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$602
Find similar
Lufthansa
Apr 8
SEA8:00 amSeattle/Tacoma Intl
19h 20m
2 stops
CGN12:20 pmCologne Köln/Bonn
Apr 29
CGN8:30 amCologne Köln/Bonn
23h 20m
2 stops
SEA10:50 pmSeattle/Tacoma Intl
$611
Find similar

Air Canada flights from Seattle to Cologne

Our best Air Canada deals on Seattle to Cologne flight tickets
Air Canada
Apr 7
SEA3:40 pmSeattle/Tacoma Intl
16h 25m
2 stops
CGN5:05 pmCologne Köln/Bonn
Apr 28
CGN7:40 amCologne Köln/Bonn
20h 38m
2 stops
SEA7:18 pmSeattle/Tacoma Intl
$630
Find similar
Air Canada
Apr 9
SEA8:00 amSeattle/Tacoma Intl
18h 10m
2 stops
CGN11:10 amCologne Köln/Bonn
Apr 28
CGN8:30 amCologne Köln/Bonn
22h 21m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$693
Find similar
Air Canada
Apr 9
SEA8:00 amSeattle/Tacoma Intl
18h 10m
2 stops
CGN11:10 amCologne Köln/Bonn
Apr 30
CGN7:40 amCologne Köln/Bonn
23h 28m
2 stops
SEA10:08 pmSeattle/Tacoma Intl
$696
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 December 11, 2025.
Use the filters below to find and compare flights from Seattle to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

9:25 am-12:10 pm

2 stops17h 45m

Cologne Köln/Bonn

Tue 2/3

6:45 am-12:59 am

2 stops27h 14m

$775

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

5:50 am-5:10 pm

2 stops26h 20m

Cologne Köln/Bonn

Tue 2/3

8:40 am-9:31 am

2 stops33h 51m

$879

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-5:10 pm

1 stop17h 00m

Cologne Köln/Bonn

Tue 2/3

6:45 am-9:12 pm

2 stops23h 27m

$880

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

7:00 am-5:10 pm

2 stops25h 10m

Cologne Köln/Bonn

Tue 2/3

6:45 am-3:44 pm

3 stops41h 59m

$898

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 1/30

7:00 pm-10:35 am

1 stop30h 35m

Cologne Köln/Bonn

Tue 2/3

11:35 am-5:05 pm

1 stop38h 30m

$973

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 12/31

3:10 pm-5:15 pm

1 stop17h 05m

Cologne Köln/Bonn

Fri 1/2

6:15 pm-5:05 pm

1 stop31h 50m

$2,331

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 12/31

7:00 pm-10:35 am

1 stop30h 35m

Cologne Köln/Bonn

Fri 1/2

6:15 pm-9:07 pm

2 stops35h 52m

$2,570

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 12/31

10:52 am-10:35 am

2 stops38h 43m

Cologne Köln/Bonn

Fri 1/2

6:15 pm-9:07 pm

2 stops35h 52m

$2,823

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 1/7

3:40 pm-4:10 pm

2 stops15h 30m

Cologne Köln/Bonn

Wed 1/28

9:10 am-1:20 pm

1 stop13h 10m

$3,133

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 1/8

2:10 pm-3:40 pm

2 stops16h 30m

Cologne Köln/Bonn

Wed 1/28

9:10 am-1:20 pm

1 stop13h 10m

$3,137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Cologne from

How to get the cheapest flight ticket from Seattle 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 Seattle 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 Seattle 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.

When to book flights from Seattle to Cologne

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Cologne according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Cologne (SEA to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Cologne

Fastest flight time

16h 18m

Direct flights

None
The fastest flight from Seattle to Cologne takes 16h 18m
There are no direct flights from Seattle to Cologne. There are no popular flight routes from Seattle to Cologne.
Search flight deals

  • How far is Seattle/Tacoma Intl to Cologne Köln/Bonn by plane?

    The straight-line distance from Seattle/Tacoma Intl to Cologne Köln/Bonn is 4990.0 mi. A reasonable flight in good conditions will take 16h 18m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Cologne Köln/Bonn Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Cologne Köln/Bonn Airport.

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

    The necessary travel and health documents for your Cologne Köln/Bonn Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Cologne?

Best airlines flying from Seattle to Cologne

Compare and see reviews for airlines that fly from Seattle to Cologne with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $546Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights

Why use momondo?

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

Finding the right flight to Cologne from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cologne quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Cologne from Seattle with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cologne from Seattle.

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

Yes momondo offers price alerts on flights to Cologne from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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