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Cheap flights from Seattle to Copenhagen from $211

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

Enter your travel dates to find the best prices.
United Airlines Logo
10:40 pm - 10:50 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
27h 10m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
8:40 am - 4:59 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
17h 19m1 stop Munich Franz Josef Strauss
$507United Airlines
Fri, Apr 9 - Sat, Apr 17
United Airlines Logo
11:50 pm - 10:50 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
26h 00m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
12:40 pm - 4:59 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 19m1 stop Munich Franz Josef Strauss
$507United Airlines
Sun, Apr 11 - Sat, Apr 17
Multiple Airlines Logo
2:50 pm - 12:25 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
12h 35m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
3:00 pm - 8:47 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
38h 47m2 stops Zurich San Francisco
$507Multiple Airlines
Wed, Nov 11 - Tue, Nov 17
Multiple Airlines Logo
3:50 pm - 12:25 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
12h 35m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
9:50 am - 11:07 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
22h 17m2 stops Zurich Chicago O'Hare Intl
$507Multiple Airlines
Wed, Oct 28 - Tue, Nov 17
Lufthansa Logo
2:50 pm - 5:35 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
8:55 am - 1:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 05m1 stop Munich Franz Josef Strauss
$508Lufthansa
Sun, Dec 6 - Sun, Dec 13
Lufthansa Logo
3:50 pm - 11:10 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
23h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
8:55 am - 2:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 05m1 stop Munich Franz Josef Strauss
$508Lufthansa
Sun, Oct 25 - Sun, Nov 1
Icelandair Logo
2:35 pm - 4:00 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
16h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:55 pm - 5:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
$510Icelandair
Sun, Nov 29 - Wed, Dec 9
Icelandair Logo
2:35 pm - 11:45 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
12h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:55 pm - 5:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
$510Icelandair
Wed, Dec 2 - Tue, Dec 8
Air Canada Logo
7:05 pm - 5:35 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
37h 30m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
8:55 am - 6:22 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
18h 27m2 stops Munich Franz Josef Strauss Vancouver Intl
$511Air Canada
Mon, Nov 30 - Tue, Dec 8
Air Canada Logo
3:15 pm - 5:35 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
41h 20m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
8:55 am - 6:22 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
18h 27m2 stops Munich Franz Josef Strauss Vancouver Intl
$511Air Canada
Wed, Dec 2 - Tue, Dec 8

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United Airlines flights from Seattle to Copenhagen

Our best United Airlines deals on Seattle to Copenhagen flight tickets
United Airlines
Oct 28
SEA10:56 pmSeattle/Tacoma Intl
26h 09m
2 stops
CPH9:05 amKastrup Copenhagen
Nov 7
CPH7:15 amKastrup Copenhagen
13h 45m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$508
United Airlines
Oct 28
SEA10:56 pmSeattle/Tacoma Intl
26h 09m
2 stops
CPH9:05 amKastrup Copenhagen
Nov 17
CPH8:55 amKastrup Copenhagen
18h 31m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
$510
United Airlines
Oct 25
SEA3:50 pmSeattle/Tacoma Intl
23h 20m
1 stop
CPH11:10 pmKastrup Copenhagen
Nov 15
CPH6:05 amKastrup Copenhagen
15h 55m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$511

Icelandair flights from Seattle to Copenhagen

Our best Icelandair deals on Seattle to Copenhagen flight tickets
Icelandair
Nov 2
SEA2:35 pmSeattle/Tacoma Intl
20h 10m
1 stop
CPH7:45 pmKastrup Copenhagen
Nov 18
CPH5:05 pmKastrup Copenhagen
32h 55m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$512
Icelandair
Oct 18
SEA7:00 pmSeattle/Tacoma Intl
17h 45m
1 stop
CPH9:45 pmKastrup Copenhagen
Nov 12
CPH12:55 pmKastrup Copenhagen
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$522
Icelandair
Oct 26
SEA3:35 pmSeattle/Tacoma Intl
12h 10m
1 stop
CPH11:45 amKastrup Copenhagen
Nov 10
CPH12:55 pmKastrup Copenhagen
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$523

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 4/9

10:40 pm-10:50 am

2 stops27h 10m

Kastrup Copenhagen

Sat 4/17

8:40 am-4:59 pm

1 stop17h 19m

$507

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 4/11

11:50 pm-10:50 am

2 stops26h 00m

Kastrup Copenhagen

Sat 4/17

12:40 pm-4:59 pm

1 stop13h 19m

$507

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Wed 11/11

2:50 pm-12:25 pm

1 stop12h 35m

Kastrup Copenhagen

Tue 11/17

3:00 pm-8:47 pm

2 stops38h 47m

$507

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Wed 10/28

3:50 pm-12:25 pm

1 stop12h 35m

Kastrup Copenhagen

Tue 11/17

9:50 am-11:07 pm

2 stops22h 17m

$507

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 12/6

2:50 pm-5:35 pm

1 stop17h 45m

Kastrup Copenhagen

Sun 12/13

8:55 am-1:00 pm

1 stop13h 05m

$508

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 10/25

3:50 pm-11:10 pm

1 stop23h 20m

Kastrup Copenhagen

Sun 11/1

8:55 am-2:00 pm

1 stop13h 05m

$508

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 11/29

2:35 pm-4:00 pm

1 stop16h 25m

Kastrup Copenhagen

Wed 12/9

12:55 pm-5:00 pm

1 stop13h 05m

$510
Quickest round-trip

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Wed 12/2

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Tue 12/8

12:55 pm-5:00 pm

1 stop13h 05m

$510

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Mon 11/30

7:05 pm-5:35 pm

2 stops37h 30m

Kastrup Copenhagen

Tue 12/8

8:55 am-6:22 pm

2 stops18h 27m

$511

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Wed 12/2

3:15 pm-5:35 pm

2 stops41h 20m

Kastrup Copenhagen

Tue 12/8

8:55 am-6:22 pm

2 stops18h 27m

$511

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 low for flights on this route.

Typical prices usually range from $529 to $676.
The lowest price recently found on this route was $507.

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 April is also cheap. Prices for this month can be found on momondo for an average of $522.

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 $845.

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 $636 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 $589 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 3% 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 October 2026, prices for Seattle to Copenhagen flights are approximately 56% 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

$211

Fastest flight time

14h 50m

Direct flights

None
The best one-way flight to Copenhagen from Seattle in the past 72 hours is $211. The best round-trip flight deal from Seattle to Copenhagen found on momondo in the last 72 hours is $507.
The fastest flight from Seattle to Copenhagen takes 14h 50m
There are no direct flights from Seattle to Copenhagen. There are no popular flight routes from Seattle to Copenhagen.
Search flight deals

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 14h 50m.

  • 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
SWISSPriceFrom $371Free CancellationRating
7.5
2,102 reviews
Search SWISS flights
IcelandairPriceFrom $435Free CancellationRating
6.9
758 reviews
Search Icelandair flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
8,261 reviews
Search British Airways flights
Air FrancePriceFrom $469Free CancellationRating
7.5
1,651 reviews
Search Air France flights
Air CanadaPriceFrom $482Free CancellationRating
7.1
11,769 reviews
Search Air Canada flights
United AirlinesPriceFrom $482Free CancellationRating
7.4
10,360 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $503Free CancellationRating
7.4
2,018 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $506Free CancellationRating
7.8
8,649 reviews
Search Delta flights
LufthansaPriceFrom $513Free CancellationRating
6.8
8,277 reviews
Search Lufthansa flights
KLMPriceFrom $524Free CancellationRating
7.8
1,587 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.

An easier way to manage your Copenhagen trip

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