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Cheap flights from Seattle to Cologne from $347

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 10/16. 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

British Airways Logo
3:40 pm - 9:00 pmSEA-CGN
20h 20m2 stops
British Airways Logo
10:15 pm - 7:09 pmCGN-SEA
29h 54m2 stops
$587British Airways
Find Deal
Wed, Sep 10 - Wed, Sep 17
British Airways Logo
2:46 pm - 4:10 pmSEA-CGN
16h 24m2 stops
British Airways Logo
4:35 pm - 4:55 pmCGN-SEA
33h 20m1 stop
$588British Airways
Find Deal
Mon, Nov 10 - Sun, Nov 16
British Airways Logo
11:42 am - 4:10 pmSEA-CGN
19h 28m2 stops
British Airways Logo
4:35 pm - 7:14 pmCGN-SEA
35h 39m2 stops
$598British Airways
Find Deal
Mon, Nov 10 - Sun, Nov 16
Logo
7:15 am - 11:10 amSEA-CGN
18h 55m2 stops
Logo
8:35 am - 4:59 pmCGN-SEA
17h 24m1 stop
$599
Find Deal
Wed, Sep 10 - Wed, Sep 17
Lufthansa Logo
6:50 pm - 3:50 pmSEA-CGN
12h 00m1 stop
Lufthansa Logo
6:05 am - 11:55 amCGN-SEA
14h 50m2 stops
$611Lufthansa
Find Deal
Wed, Oct 1 - Fri, Oct 10
Lufthansa Logo
2:20 pm - 3:50 pmSEA-CGN
16h 30m2 stops
Lufthansa Logo
6:05 am - 11:55 amCGN-SEA
14h 50m2 stops
$638Lufthansa
Find Deal
Wed, Oct 1 - Fri, Oct 10
British Airways Logo
1:30 pm - 9:00 pmSEA-CGN
22h 30m1 stop
British Airways Logo
2:20 pm - 11:35 amCGN-SEA
30h 15m1 stop
$658British Airways
Find Deal
Wed, Oct 1 - Fri, Oct 10
United Airlines Logo
1:12 pm - 3:50 pmSEA-CGN
17h 38m2 stops
United Airlines Logo
12:55 pm - 10:30 pmCGN-SEA
18h 35m2 stops
$739United Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 17
Logo
7:15 am - 11:10 pmSEA-CGN
30h 55m3 stops
Logo
11:50 pm - 7:31 pmCGN-SEA
28h 41m2 stops
$826
Find Deal
Wed, Sep 10 - Wed, Sep 17
Turkish Airlines Logo
7:00 pm - 5:15 pmSEA-CGN
37h 15m1 stop
Turkish Airlines Logo
11:35 am - 5:05 pmCGN-SEA
38h 30m1 stop
$1,164Turkish Airlines
Find Deal
Mon, Nov 10 - Sun, Nov 16

Lufthansa flights from Seattle to Cologne

Our best Lufthansa deals on Seattle to Cologne flight tickets
Lufthansa
Oct 1
SEA6:50 pmSeattle/Tacoma Intl
12h 00m
1 stop
CGN3:50 pmCologne Köln/Bonn
Oct 10
CGN6:05 amCologne Köln/Bonn
14h 50m
2 stops
SEA11:55 amSeattle/Tacoma Intl
$611
Find similar
Lufthansa
Oct 1
SEA2:20 pmSeattle/Tacoma Intl
16h 30m
2 stops
CGN3:50 pmCologne Köln/Bonn
Oct 10
CGN6:05 amCologne Köln/Bonn
14h 50m
2 stops
SEA11:55 amSeattle/Tacoma Intl
$638
Find similar
Lufthansa
Aug 17
SEA6:50 pmSeattle/Tacoma Intl
28h 05m
1 stop
CGN7:55 amCologne Köln/Bonn
Aug 24
CGN8:05 pmCologne Köln/Bonn
35h 15m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$920
Find similar

British Airways flights from Seattle to Cologne

Our best British Airways deals on Seattle to Cologne flight tickets
British Airways
Sep 10
SEA3:40 pmSeattle/Tacoma Intl
20h 20m
2 stops
CGN9:00 pmCologne Köln/Bonn
Sep 17
CGN10:15 pmCologne Köln/Bonn
29h 54m
2 stops
SEA7:09 pmSeattle/Tacoma Intl
$587
Find similar
British Airways
Nov 10
SEA2:46 pmSeattle/Tacoma Intl
16h 24m
2 stops
CGN4:10 pmCologne Köln/Bonn
Nov 16
CGN4:35 pmCologne Köln/Bonn
33h 20m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$588
Find similar
British Airways
Nov 10
SEA11:42 amSeattle/Tacoma Intl
19h 28m
2 stops
CGN4:10 pmCologne Köln/Bonn
Nov 16
CGN4:35 pmCologne Köln/Bonn
35h 39m
2 stops
SEA7:14 pmSeattle/Tacoma Intl
$598
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 July 31, 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

Wed 9/10

3:40 pm-9:00 pm

2 stops20h 20m

Cologne Köln/Bonn

Wed 9/17

10:15 pm-7:09 pm

2 stops29h 54m

$587

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 11/10

2:46 pm-4:10 pm

2 stops16h 24m

Cologne Köln/Bonn

Sun 11/16

4:35 pm-4:55 pm

1 stop33h 20m

$588

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 11/10

11:42 am-4:10 pm

2 stops19h 28m

Cologne Köln/Bonn

Sun 11/16

4:35 pm-7:14 pm

2 stops35h 39m

$598

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 9/10

7:15 am-11:10 am

2 stops18h 55m

Cologne Köln/Bonn

Wed 9/17

8:35 am-4:59 pm

1 stop17h 24m

$599

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 10/1

6:50 pm-3:50 pm

1 stop12h 00m

Cologne Köln/Bonn

Fri 10/10

6:05 am-11:55 am

2 stops14h 50m

$611

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 10/1

2:20 pm-3:50 pm

2 stops16h 30m

Cologne Köln/Bonn

Fri 10/10

6:05 am-11:55 am

2 stops14h 50m

$638

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 10/1

1:30 pm-9:00 pm

1 stop22h 30m

Cologne Köln/Bonn

Fri 10/10

2:20 pm-11:35 am

1 stop30h 15m

$658

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 10/3

1:12 pm-3:50 pm

2 stops17h 38m

Cologne Köln/Bonn

Fri 10/17

12:55 pm-10:30 pm

2 stops18h 35m

$739

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 9/10

7:15 am-11:10 pm

3 stops30h 55m

Cologne Köln/Bonn

Wed 9/17

11:50 pm-7:31 pm

2 stops28h 41m

$826

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 11/10

7:00 pm-5:15 pm

1 stop37h 15m

Cologne Köln/Bonn

Sun 11/16

11:35 am-5:05 pm

1 stop38h 30m

$1,164

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 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

Best Price Found

$347

Fastest flight time

12h 00m

Direct flights

None

Airports in Cologne

1 airport
The best one-way flight to Cologne from Seattle in the past 72 hours is $347. The best round-trip flight deal from Seattle to Cologne found on momondo in the last 72 hours is $587.
The fastest flight from Seattle to Cologne takes 12h 00m
There are no direct flights from Seattle to Cologne. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Cologne Köln/Bonn Airport.
There is 1 airport near Cologne: Cologne Köln/Bonn (CGN)
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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 00m.

  • 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 $578Free CancellationRating
6.8
7,275 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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