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Cheap flights from Seattle to Cologne from $525

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.
Multiple Airlines Logo
10:05 am - 10:25 pm
SEA
-
CGN
28h 20m
2 stops
Multiple Airlines Logo
7:45 pm - 2:20 pm
CGN
-
SEA
26h 35m
1 stop
$555Multiple Airlines
Sun, Mar 8 - Sat, Mar 14
Lufthansa Logo
4:10 pm - 12:35 pm
SEA
-
CGN
12h 25m
1 stop
Lufthansa Logo
7:45 pm - 2:20 pm
CGN
-
SEA
26h 35m
1 stop
$581Lufthansa
Sun, Mar 8 - Sat, Mar 14
United Airlines Logo
7:15 am - 5:15 pm
SEA
-
CGN
26h 00m
2 stops
United Airlines Logo
1:35 pm - 12:59 am
CGN
-
SEA
19h 24m
2 stops
$587United Airlines
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
7:15 am - 12:30 pm
SEA
-
CGN
45h 15m
2 stops
United Airlines Logo
9:10 am - 6:30 pm
CGN
-
SEA
41h 20m
2 stops
$672United Airlines
Fri, Mar 13 - Fri, Mar 20
Lufthansa Logo
6:50 pm - 5:20 pm
SEA
-
CGN
13h 30m
1 stop
Lufthansa Logo
8:10 pm - 7:00 pm
CGN
-
SEA
55h 50m
2 stops
$715Lufthansa
Sun, Apr 12 - Sun, Apr 19
Lufthansa Logo
3:00 pm - 5:10 pm
SEA
-
CGN
18h 10m
2 stops
Lufthansa Logo
1:20 pm - 7:03 pm
CGN
-
SEA
37h 43m
2 stops
$723Lufthansa
Fri, Mar 20 - Wed, Mar 25
Lufthansa Logo
3:00 pm - 7:00 pm
SEA
-
CGN
20h 00m
2 stops
Lufthansa Logo
9:10 am - 2:20 pm
CGN
-
SEA
13h 10m
1 stop
$750Lufthansa
Fri, Mar 13 - Fri, Mar 20
Lufthansa Logo
4:10 pm - 12:30 pm
SEA
-
CGN
12h 20m
1 stop
Lufthansa Logo
9:10 am - 2:20 pm
CGN
-
SEA
13h 10m
1 stop
$756Lufthansa
Fri, Mar 13 - Fri, Mar 20
United Airlines Logo
8:59 am - 5:15 pm
SEA
-
CGN
24h 16m
3 stops
United Airlines Logo
1:35 pm - 12:59 am
CGN
-
SEA
19h 24m
2 stops
$762United Airlines
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
3:40 pm - 12:10 pm
SEA
-
CGN
36h 30m
2 stops
United Airlines Logo
8:40 am - 10:45 pm
CGN
-
SEA
46h 05m
2 stops
$783United Airlines
Sun, Mar 8 - Sat, Mar 14

Lufthansa flights from Seattle to Cologne

Our best Lufthansa deals on Seattle to Cologne flight tickets
Lufthansa
Mar 8
SEA4:10 pmSeattle/Tacoma Intl
12h 25m
1 stop
CGN12:35 pmCologne Köln/Bonn
Mar 14
CGN7:45 pmCologne Köln/Bonn
26h 35m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$581
Lufthansa
Apr 12
SEA6:50 pmSeattle/Tacoma Intl
13h 30m
1 stop
CGN5:20 pmCologne Köln/Bonn
Apr 19
CGN8:10 pmCologne Köln/Bonn
55h 50m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
$715
Lufthansa
Mar 20
SEA3:00 pmSeattle/Tacoma Intl
18h 10m
2 stops
CGN5:10 pmCologne Köln/Bonn
Mar 25
CGN1:20 pmCologne Köln/Bonn
37h 43m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$723

United Airlines flights from Seattle to Cologne

Our best United Airlines deals on Seattle to Cologne flight tickets
United Airlines
Mar 12
SEA7:15 amSeattle/Tacoma Intl
26h 00m
2 stops
CGN5:15 pmCologne Köln/Bonn
Mar 19
CGN1:35 pmCologne Köln/Bonn
19h 24m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$587
United Airlines
Mar 13
SEA7:15 amSeattle/Tacoma Intl
45h 15m
2 stops
CGN12:30 pmCologne Köln/Bonn
Mar 20
CGN9:10 amCologne Köln/Bonn
41h 20m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$672
United Airlines
Mar 12
SEA8:59 amSeattle/Tacoma Intl
24h 16m
3 stops
CGN5:15 pmCologne Köln/Bonn
Mar 19
CGN1:35 pmCologne Köln/Bonn
19h 24m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$762

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 January 29, 2026.
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

Sun 3/8

10:05 am-10:25 pm

2 stops28h 20m

Cologne Köln/Bonn

Sat 3/14

7:45 pm-2:20 pm

1 stop26h 35m

$555

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/8

4:10 pm-12:35 pm

1 stop12h 25m

Cologne Köln/Bonn

Sat 3/14

7:45 pm-2:20 pm

1 stop26h 35m

$581

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 3/12

7:15 am-5:15 pm

2 stops26h 00m

Cologne Köln/Bonn

Thu 3/19

1:35 pm-12:59 am

2 stops19h 24m

$587

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

7:15 am-12:30 pm

2 stops45h 15m

Cologne Köln/Bonn

Fri 3/20

9:10 am-6:30 pm

2 stops41h 20m

$672

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 4/12

6:50 pm-5:20 pm

1 stop13h 30m

Cologne Köln/Bonn

Sun 4/19

8:10 pm-7:00 pm

2 stops55h 50m

$715

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/20

3:00 pm-5:10 pm

2 stops18h 10m

Cologne Köln/Bonn

Wed 3/25

1:20 pm-7:03 pm

2 stops37h 43m

$723

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

3:00 pm-7:00 pm

2 stops20h 00m

Cologne Köln/Bonn

Fri 3/20

9:10 am-2:20 pm

1 stop13h 10m

$750

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

4:10 pm-12:30 pm

1 stop12h 20m

Cologne Köln/Bonn

Fri 3/20

9:10 am-2:20 pm

1 stop13h 10m

$756

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 3/12

8:59 am-5:15 pm

3 stops24h 16m

Cologne Köln/Bonn

Thu 3/19

1:35 pm-12:59 am

2 stops19h 24m

$762

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/8

3:40 pm-12:10 pm

2 stops36h 30m

Cologne Köln/Bonn

Sat 3/14

8:40 am-10:45 pm

2 stops46h 05m

$783

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 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 airline that flies from Seattle/Tacoma Intl to Cologne Köln/Bonn?

British Airways, Lufthansa, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Cologne Köln/Bonn

What airlines fly to Cologne?

Condor, Lufthansa and Alaska Airlines are the top three most popular airlines that fly to Cologne from Seattle according to our data. Condor is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 9 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

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

13h 30m

Direct flights

None
The fastest flight from Seattle to Cologne takes 13h 30m
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 13h 30m.

  • 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
7,754 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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