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Cheap flights from Seattle to Cologne from $403

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.
Air Canada Logo
10:05 am - 12:10 pmSEA-CGN
41h 05m2 stops
Air Canada Logo
6:45 am - 10:16 pmCGN-SEA
24h 31m2 stops
$517Air Canada
Find Deal
Sun, Nov 30 - Tue, Dec 9
Lufthansa Logo
10:05 am - 12:35 pmSEA-CGN
17h 30m2 stops
Lufthansa Logo
7:40 pm - 1:20 pmCGN-SEA
26h 40m1 stop
$522Lufthansa
Find Deal
Sun, Nov 30 - Tue, Dec 9
Lufthansa Logo
3:10 pm - 12:35 pmSEA-CGN
12h 25m1 stop
Lufthansa Logo
7:40 pm - 1:20 pmCGN-SEA
26h 40m1 stop
$537Lufthansa
Find Deal
Sun, Nov 30 - Tue, Dec 9
Lufthansa Logo
3:10 pm - 12:35 pmSEA-CGN
12h 25m1 stop
Lufthansa Logo
5:55 pm - 1:10 pmCGN-SEA
27h 15m2 stops
$543Lufthansa
Find Deal
Sun, Mar 1 - Mon, Mar 9
British Airways Logo
7:15 am - 4:30 pmSEA-CGN
24h 15m2 stops
British Airways Logo
5:15 pm - 11:08 pmCGN-SEA
37h 53m2 stops
$557British Airways
Find Deal
Sun, Mar 1 - Mon, Mar 9
British Airways Logo
6:50 pm - 4:30 pmSEA-CGN
12h 40m1 stop
British Airways Logo
5:15 pm - 12:30 pmCGN-SEA
27h 15m1 stop
$562British Airways
Find Deal
Sun, Mar 1 - Mon, Mar 9
Air Canada Logo
3:40 pm - 5:05 pmSEA-CGN
16h 25m2 stops
Air Canada Logo
1:00 pm - 10:16 pmCGN-SEA
18h 16m2 stops
$565Air Canada
Find Deal
Tue, Apr 21 - Thu, May 7
United Airlines Logo
4:10 pm - 5:10 pmSEA-CGN
17h 00m1 stop
United Airlines Logo
1:35 pm - 10:03 amCGN-SEA
28h 28m2 stops
$737United Airlines
Find Deal
Fri, Mar 13 - Tue, Mar 17
United Airlines Logo
8:00 am - 11:10 amSEA-CGN
18h 10m2 stops
United Airlines Logo
7:40 am - 12:51 amCGN-SEA
26h 11m3 stops
$888United Airlines
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Tue, Apr 21 - Thu, May 7
Austrian Airlines Logo
7:00 am - 11:05 amSEA-CGN
20h 05m2 stops
Austrian Airlines Logo
8:20 pm - 10:32 pmCGN-SEA
34h 12m2 stops
$1,163Austrian Airlines
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Fri, Mar 13 - Tue, Mar 17

Air Canada flights from Seattle to Cologne

Our best Air Canada deals on Seattle to Cologne flight tickets
Air Canada
Nov 30
SEA10:05 amSeattle/Tacoma Intl
41h 05m
2 stops
CGN12:10 pmCologne Köln/Bonn
Dec 9
CGN6:45 amCologne Köln/Bonn
24h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$517
Find similar
Air Canada
Apr 21
SEA3:40 pmSeattle/Tacoma Intl
16h 25m
2 stops
CGN5:05 pmCologne Köln/Bonn
May 7
CGN1:00 pmCologne Köln/Bonn
18h 16m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$565
Find similar
Air Canada
Mar 13
SEA8:10 amSeattle/Tacoma Intl
25h 00m
2 stops
CGN5:10 pmCologne Köln/Bonn
Mar 17
CGN6:55 pmCologne Köln/Bonn
35h 11m
2 stops
SEA10:06 pmSeattle/Tacoma Intl
$930
Find similar

Lufthansa flights from Seattle to Cologne

Our best Lufthansa deals on Seattle to Cologne flight tickets
Lufthansa
Nov 30
SEA10:05 amSeattle/Tacoma Intl
17h 30m
2 stops
CGN12:35 pmCologne Köln/Bonn
Dec 9
CGN7:40 pmCologne Köln/Bonn
26h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$522
Find similar
Lufthansa
Nov 30
SEA3:10 pmSeattle/Tacoma Intl
12h 25m
1 stop
CGN12:35 pmCologne Köln/Bonn
Dec 9
CGN7:40 pmCologne Köln/Bonn
26h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$537
Find similar
Lufthansa
Mar 1
SEA3:10 pmSeattle/Tacoma Intl
12h 25m
1 stop
CGN12:35 pmCologne Köln/Bonn
Mar 9
CGN5:55 pmCologne Köln/Bonn
27h 15m
2 stops
SEA1:10 pmSeattle/Tacoma Intl
$543
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 October 30, 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

Sun 11/30

10:05 am-12:10 pm

2 stops41h 05m

Cologne Köln/Bonn

Tue 12/9

6:45 am-10:16 pm

2 stops24h 31m

$517

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/30

10:05 am-12:35 pm

2 stops17h 30m

Cologne Köln/Bonn

Tue 12/9

7:40 pm-1:20 pm

1 stop26h 40m

$522

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 11/30

3:10 pm-12:35 pm

1 stop12h 25m

Cologne Köln/Bonn

Tue 12/9

7:40 pm-1:20 pm

1 stop26h 40m

$537

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/1

3:10 pm-12:35 pm

1 stop12h 25m

Cologne Köln/Bonn

Mon 3/9

5:55 pm-1:10 pm

2 stops27h 15m

$543

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/1

7:15 am-4:30 pm

2 stops24h 15m

Cologne Köln/Bonn

Mon 3/9

5:15 pm-11:08 pm

2 stops37h 53m

$557

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 3/1

6:50 pm-4:30 pm

1 stop12h 40m

Cologne Köln/Bonn

Mon 3/9

5:15 pm-12:30 pm

1 stop27h 15m

$562

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 4/21

3:40 pm-5:05 pm

2 stops16h 25m

Cologne Köln/Bonn

Thu 5/7

1:00 pm-10:16 pm

2 stops18h 16m

$565

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

4:10 pm-5:10 pm

1 stop17h 00m

Cologne Köln/Bonn

Tue 3/17

1:35 pm-10:03 am

2 stops28h 28m

$737

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 4/21

8:00 am-11:10 am

2 stops18h 10m

Cologne Köln/Bonn

Thu 5/7

7:40 am-12:51 am

3 stops26h 11m

$888

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 3/13

7:00 am-11:05 am

2 stops20h 05m

Cologne Köln/Bonn

Tue 3/17

8:20 pm-10:32 pm

2 stops34h 12m

$1,163

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 typical price of a round-trip flight between Seattle and Cologne?

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

Direct flights

None
There are no direct flights from Seattle to Cologne. There are no popular flight routes from Seattle to Cologne.
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  • 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 12h 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
LufthansaPriceFrom $566Free CancellationRating
6.8
7,541 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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