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Cheap flights from Seattle to Cologne from $287

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 5/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$1,110Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
6:10 pm - 8:50 am
SEA
-
CGN
29h 40m
3 stops
Multiple Airlines Logo
7:50 am - 4:10 pm
CGN
-
SEA
17h 20m
2 stops
$1,112Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Lufthansa Logo
3:00 pm - 5:20 pm
SEA
-
CGN
17h 20m
2 stops
Lufthansa Logo
6:05 pm - 10:42 pm
CGN
-
SEA
37h 37m
2 stops
$1,148Lufthansa
Mon, Jun 15 - Mon, Jun 22
Turkish Airlines Logo
7:10 pm - 1:50 pm
SEA
-
CGN
33h 40m
1 stop
Turkish Airlines Logo
2:50 pm - 5:15 pm
CGN
-
SEA
35h 25m
1 stop
$1,160Turkish Airlines
Sun, Sep 13 - Thu, Sep 17
Turkish Airlines Logo
12:35 pm - 6:10 pm
SEA
-
CGN
20h 35m
1 stop
Turkish Airlines Logo
7:10 pm - 5:15 pm
CGN
-
SEA
31h 05m
1 stop
$1,202Turkish Airlines
Mon, Jun 15 - Mon, Jun 22
Air Canada Logo
3:00 pm - 5:40 pm
SEA
-
CGN
17h 40m
2 stops
Air Canada Logo
1:05 pm - 10:42 pm
CGN
-
SEA
18h 37m
2 stops
$1,257Air Canada
Thu, Jun 25 - Mon, Jun 29
Air Canada Logo
3:00 pm - 5:40 pm
SEA
-
CGN
17h 40m
2 stops
Air Canada Logo
1:05 pm - 10:48 pm
CGN
-
SEA
18h 43m
2 stops
$1,459Air Canada
Thu, Jun 25 - Sat, Jul 11
Multiple Airlines Logo
10:52 am - 6:10 pm
SEA
-
CGN
22h 18m
2 stops
Multiple Airlines Logo
2:50 pm - 5:15 pm
CGN
-
SEA
35h 25m
1 stop
$1,981Multiple Airlines
Thu, Jun 25 - Mon, Jun 29
Multiple Airlines Logo
11:11 pm - 9:25 am
SEA
-
CGN
25h 14m
2 stops
Multiple Airlines Logo
2:50 pm - 5:15 pm
CGN
-
SEA
35h 25m
1 stop
$2,141Multiple Airlines
Thu, Jun 25 - Sat, Jul 11
Air Canada Logo
10:30 am - 5:20 pm
SEA
-
CGN
21h 50m
2 stops
Air Canada Logo
1:05 pm - 9:52 am
CGN
-
SEA
29h 47m
2 stops
$2,161Air Canada
Sun, Sep 13 - Thu, Sep 17

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Air Canada flights from Seattle to Cologne

Our best Air Canada deals on Seattle to Cologne flight tickets
Air Canada
Jun 25
SEA3:00 pmSeattle/Tacoma Intl
17h 40m
2 stops
CGN5:40 pmCologne Köln/Bonn
Jun 29
CGN1:05 pmCologne Köln/Bonn
18h 37m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$1,257
Air Canada
Jun 25
SEA3:00 pmSeattle/Tacoma Intl
17h 40m
2 stops
CGN5:40 pmCologne Köln/Bonn
Jul 11
CGN1:05 pmCologne Köln/Bonn
18h 43m
2 stops
SEA10:48 pmSeattle/Tacoma Intl
$1,459
Air Canada
Sep 13
SEA10:30 amSeattle/Tacoma Intl
21h 50m
2 stops
CGN5:20 pmCologne Köln/Bonn
Sep 17
CGN1:05 pmCologne Köln/Bonn
29h 47m
2 stops
SEA9:52 amSeattle/Tacoma Intl
$2,161

Turkish Airlines flights from Seattle to Cologne

Our best Turkish Airlines deals on Seattle to Cologne flight tickets
Turkish Airlines
Sep 13
SEA7:10 pmSeattle/Tacoma Intl
33h 40m
1 stop
CGN1:50 pmCologne Köln/Bonn
Sep 17
CGN2:50 pmCologne Köln/Bonn
35h 25m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$1,160
Turkish Airlines
Jun 15
SEA12:35 pmSeattle/Tacoma Intl
20h 35m
1 stop
CGN6:10 pmCologne Köln/Bonn
Jun 22
CGN7:10 pmCologne Köln/Bonn
31h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$1,202
Turkish Airlines
Jun 25
SEA7:10 pmSeattle/Tacoma Intl
38h 00m
1 stop
CGN6:10 pmCologne Köln/Bonn
Jun 29
CGN2:50 pmCologne Köln/Bonn
35h 25m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$2,981

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 May 4, 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

Cheapest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 6/15

3:00 pm-5:20 pm

2 stops17h 20m

Cologne Köln/Bonn

Mon 6/22

8:10 pm-4:59 pm

1 stop29h 49m

$1,110

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 6/15

6:10 pm-8:50 am

3 stops29h 40m

Cologne Köln/Bonn

Mon 6/22

7:50 am-4:10 pm

2 stops17h 20m

$1,112

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 6/15

3:00 pm-5:20 pm

2 stops17h 20m

Cologne Köln/Bonn

Mon 6/22

6:05 pm-10:42 pm

2 stops37h 37m

$1,148

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 9/13

7:10 pm-1:50 pm

1 stop33h 40m

Cologne Köln/Bonn

Thu 9/17

2:50 pm-5:15 pm

1 stop35h 25m

$1,160

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 6/15

12:35 pm-6:10 pm

1 stop20h 35m

Cologne Köln/Bonn

Mon 6/22

7:10 pm-5:15 pm

1 stop31h 05m

$1,202
Quickest round-trip

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/25

3:00 pm-5:40 pm

2 stops17h 40m

Cologne Köln/Bonn

Mon 6/29

1:05 pm-10:42 pm

2 stops18h 37m

$1,257

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/25

3:00 pm-5:40 pm

2 stops17h 40m

Cologne Köln/Bonn

Sat 7/11

1:05 pm-10:48 pm

2 stops18h 43m

$1,459

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/25

10:52 am-6:10 pm

2 stops22h 18m

Cologne Köln/Bonn

Mon 6/29

2:50 pm-5:15 pm

1 stop35h 25m

$1,981

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/25

11:11 pm-9:25 am

2 stops25h 14m

Cologne Köln/Bonn

Sat 7/11

2:50 pm-5:15 pm

1 stop35h 25m

$2,141

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 9/13

10:30 am-5:20 pm

2 stops21h 50m

Cologne Köln/Bonn

Thu 9/17

1:05 pm-9:52 am

2 stops29h 47m

$2,161

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Seattle and Cologne?

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from Seattle 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 Seattle during the month November is also very affordable. Most momondo users find prices during this month for around $566.

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

17h 20m

Direct flights

None
The fastest flight from Seattle to Cologne takes 17h 20m
There are no direct flights from Seattle to Cologne. There are no popular flight routes from Seattle to Cologne.
Search flight deals

Frequently asked questions about flying from Seattle to Cologne

  • 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 17h 20m.

  • 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
British AirwaysPriceFrom $535Free CancellationRating
6.7
7,943 reviews
Search British Airways flights
LufthansaPriceFrom $546Free CancellationRating
6.8
7,965 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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