Cheap flights from Seattle to Copenhagen from $213

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Copenhagen

Cheap round-trip flights

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United Airlines Logo
11:59 pm - 9:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
25h 21m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
6:00 am - 11:21 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
26h 21m2 stops Munich Franz Josef Strauss San Francisco
$517United Airlines
Mon, Mar 22 - Mon, Mar 29
United Airlines Logo
7:10 pm - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
30h 10m2 stops Denver Intl Toronto Pearson Intl
United Airlines Logo
8:55 am - 9:59 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
22h 04m2 stops Munich Franz Josef Strauss Los Angeles
$517United Airlines
Wed, Dec 30 - Mon, Jan 11
Lufthansa Logo
2:50 pm - 12:25 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
12h 35m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:20 pm - 1:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
27h 40m1 stop Munich Franz Josef Strauss
$517Lufthansa
Fri, Nov 13 - Tue, Nov 17
Multiple Airlines Logo
7:45 am - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 35m1 stop Toronto Pearson Intl
Multiple Airlines Logo
1:10 pm - 1:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
32h 50m1 stop Munich Franz Josef Strauss
$517Multiple Airlines
Thu, Dec 31 - Sat, Jan 9
Multiple Airlines Logo
2:50 pm - 11:10 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
23h 20m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
7:15 am - 12:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 45m1 stop Frankfurt am Main
$517Multiple Airlines
Sun, Nov 29 - Thu, Dec 3
Lufthansa Logo
2:50 pm - 12:25 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
12h 35m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:20 pm - 1:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
27h 40m1 stop Munich Franz Josef Strauss
$518Lufthansa
Fri, Nov 13 - Tue, Nov 17
Air Canada Logo
7:45 am - 11:55 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
19h 10m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Air Canada Logo
12:40 pm - 9:18 amCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
29h 38m2 stops Munich Franz Josef Strauss Vancouver Intl
$524Air Canada
Fri, Apr 2 - Sat, Apr 10
Icelandair Logo
7:00 pm - 2:55 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
11h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
10:35 pm - 5:55 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
28h 20m1 stop Reykjavik Keflavik Intl
$528Icelandair
Sun, Mar 21 - Mon, Mar 29
Air Canada Logo
7:45 am - 2:10 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
22h 25m2 stops Toronto Pearson Intl Zurich
Air Canada Logo
6:50 am - 8:48 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
22h 58m2 stops Brussels Bruxelles-National Toronto Pearson Intl
$529Air Canada
Sat, Mar 20 - Mon, Mar 29
Icelandair Logo
2:35 pm - 11:45 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
12h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 pm - 5:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
$530Icelandair
Fri, Nov 13 - Fri, Nov 20

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Air Canada flights from Seattle to Copenhagen

Our best Air Canada deals on Seattle to Copenhagen flight tickets
Air Canada
Mar 20
SEA7:45 amSeattle/Tacoma Intl
17h 40m
2 stops
CPH9:25 amKastrup Copenhagen
Mar 28
CPH12:45 pmKastrup Copenhagen
29h 33m
2 stops
SEA9:18 amSeattle/Tacoma Intl
$531
Air Canada
Dec 31
SEA7:45 amSeattle/Tacoma Intl
17h 35m
1 stop
CPH10:20 amKastrup Copenhagen
Jan 6
CPH11:35 amKastrup Copenhagen
18h 24m
1 stop
SEA8:59 pmSeattle/Tacoma Intl
$587
Air Canada
Nov 14
SEA7:05 pmSeattle/Tacoma Intl
37h 30m
2 stops
CPH5:35 pmKastrup Copenhagen
Nov 22
CPH11:35 amKastrup Copenhagen
30h 57m
2 stops
SEA9:32 amSeattle/Tacoma Intl
$768

SWISS flights from Seattle to Copenhagen

Our best SWISS deals on Seattle to Copenhagen flight tickets
SWISS
Nov 12
SEA1:16 pmSeattle/Tacoma Intl
20h 49m
2 stops
CPH7:05 pmKastrup Copenhagen
Nov 25
CPH9:50 amKastrup Copenhagen
22h 17m
2 stops
SEA11:07 pmSeattle/Tacoma Intl
$517
SWISS
Nov 11
SEA3:35 pmSeattle/Tacoma Intl
18h 30m
2 stops
CPH7:05 pmKastrup Copenhagen
Nov 22
CPH9:50 amKastrup Copenhagen
22h 17m
2 stops
SEA11:07 pmSeattle/Tacoma Intl
$534
SWISS
Feb 9
SEA1:18 pmSeattle/Tacoma Intl
39h 52m
2 stops
CPH2:10 pmKastrup Copenhagen
Feb 25
CPH6:45 amKastrup Copenhagen
25h 14m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
$560

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Copenhagen that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Mon 3/22

11:59 pm-9:20 am

2 stops25h 21m

Kastrup Copenhagen

Mon 3/29

6:00 am-11:21 pm

2 stops26h 21m

$517

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Wed 12/30

7:10 pm-10:20 am

2 stops30h 10m

Kastrup Copenhagen

Mon 1/11

8:55 am-9:59 pm

2 stops22h 04m

$517

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 11/13

2:50 pm-12:25 pm

1 stop12h 35m

Kastrup Copenhagen

Tue 11/17

6:20 pm-1:00 pm

1 stop27h 40m

$517

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Thu 12/31

7:45 am-10:20 am

1 stop17h 35m

Kastrup Copenhagen

Sat 1/9

1:10 pm-1:00 pm

1 stop32h 50m

$517

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 11/29

2:50 pm-11:10 pm

1 stop23h 20m

Kastrup Copenhagen

Thu 12/3

7:15 am-12:00 pm

1 stop13h 45m

$517

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 11/13

2:50 pm-12:25 pm

1 stop12h 35m

Kastrup Copenhagen

Tue 11/17

6:20 pm-1:00 pm

1 stop27h 40m

$518

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 4/2

7:45 am-11:55 am

2 stops19h 10m

Kastrup Copenhagen

Sat 4/10

12:40 pm-9:18 am

2 stops29h 38m

$524

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 3/21

7:00 pm-2:55 pm

1 stop11h 55m

Kastrup Copenhagen

Mon 3/29

10:35 pm-5:55 pm

1 stop28h 20m

$528

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sat 3/20

7:45 am-2:10 pm

2 stops22h 25m

Kastrup Copenhagen

Mon 3/29

6:50 am-8:48 pm

2 stops22h 58m

$529
Quickest round-trip

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 11/13

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Fri 11/20

1:10 pm-5:00 pm

1 stop12h 50m

$530

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 Copenhagen from

How to get the cheapest flight ticket from Seattle to Copenhagen

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 Copenhagen?

Prices are currently typical for flights on this route.

Typical prices usually range from $501 to $643.
The lowest price recently found on this route was $517.

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Seattle is in February. Flight prices, which tend to average around $501, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $527.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Seattle to Copenhagen is on a Monday when prices can be found for as low as $737. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Copenhagen for around $844.

What is the cheapest Seattle/Tacoma Intl to Kastrup Copenhagen flight route?

Fly from Seattle/Tacoma Intl to Kastrup Copenhagen for the best Seattle/Tacoma Intl - Kastrup Copenhagen flight prices

How far in advance should I book a flight from Seattle to Copenhagen?

You are more likely to see cheaper flights to Copenhagen from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $639 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Seattle for as low as $599 on momondo.

What cabin class options are available on Seattle to Copenhagen flights?

There are 3 cabin classes available to choose from on Seattle to Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Copenhagen flights?

You could potentially save up to 18% on your flight if you consider stops on a Seattle to Copenhagen flight.

How have Seattle to Copenhagen flight prices changed over time?

As of November 2026, prices for Seattle to Copenhagen flights are approximately 58% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Copenhagen

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

Cheap Seattle to Copenhagen (SEA to CPH) flight deals and tips

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

Best Price Found

$213

Fastest flight time

9h 15m

Direct flights

None
The best one-way flight to Copenhagen from Seattle in the past 72 hours is $213. The best round-trip flight deal from Seattle to Copenhagen found on momondo in the last 72 hours is $517.
The fastest flight from Seattle to Copenhagen takes 9h 15m
There are no direct flights from Seattle to Copenhagen. There are no popular flight routes from Seattle to Copenhagen.

Frequently asked questions about flying from Seattle to Copenhagen

  • How far is Seattle/Tacoma Intl to Kastrup Copenhagen by plane?

    Kastrup Copenhagen is 4835.0 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 9h 15m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport.

  • What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

    The necessary travel and health documents for your Kastrup Copenhagen 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 plane model from Seattle to Copenhagen?

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

Best airlines flying from Seattle to Copenhagen

Compare and see reviews for airlines that fly from Seattle to Copenhagen with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $434Free CancellationRating
6.9
766 reviews
Search Icelandair flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
8,281 reviews
Search British Airways flights
Air FrancePriceFrom $469Free CancellationRating
7.5
1,651 reviews
Search Air France flights
Air CanadaPriceFrom $482Free CancellationRating
7.1
11,853 reviews
Search Air Canada flights
United AirlinesPriceFrom $482Free CancellationRating
7.3
10,458 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $503Free CancellationRating
7.4
2,029 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $506Free CancellationRating
7.8
8,697 reviews
Search Delta flights
LufthansaPriceFrom $512Free CancellationRating
6.8
8,297 reviews
Search Lufthansa flights
KLMPriceFrom $524Free CancellationRating
7.8
1,595 reviews
Search KLM flights

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Copenhagen for you.

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

All flight searches from Seattle to Copenhagen on momondo can be filtered to show those which offer flexible booking policies.

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

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 Copenhagen from Seattle.

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

Yes momondo offers price alerts on flights to Copenhagen 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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