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Cheap flights from Seattle to Copenhagen from $204

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.
Multiple Airlines Logo
10:10 am - 5:35 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
22h 25m2 stops Vancouver Intl 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
$503Multiple Airlines
Sun, Nov 8 - Mon, Nov 16
Air Canada Logo
7:45 am - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 35m1 stop Toronto Pearson Intl
Air Canada Logo
8:55 am - 9:57 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
22h 02m2 stops Munich Franz Josef Strauss Vancouver Intl
$504Air Canada
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
7:00 am - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
18h 20m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
6:05 am - 6:22 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
21h 17m2 stops Munich Franz Josef Strauss Vancouver Intl
$504Multiple Airlines
Thu, Nov 12 - Thu, Nov 26
Air Canada Logo
7:45 am - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 35m1 stop Toronto Pearson Intl
Air Canada Logo
8:55 am - 9:57 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
22h 02m2 stops Munich Franz Josef Strauss Vancouver Intl
$504Air Canada
Thu, Jan 14 - Tue, Jan 26
United Airlines Logo
7:45 am - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 35m1 stop Toronto Pearson Intl
United Airlines Logo
7:15 am - 12:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 45m1 stop Frankfurt am Main
$507United Airlines
Thu, Nov 12 - Thu, Nov 26
United Airlines Logo
7:45 am - 10:20 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 35m1 stop Toronto Pearson Intl
United Airlines Logo
7:15 am - 12:00 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
13h 45m1 stop Frankfurt am Main
$508United Airlines
Thu, Nov 12 - Thu, Nov 26
Lufthansa Logo
6:50 pm - 11:30 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
19h 40m1 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
$512Lufthansa
Fri, Oct 9 - Sun, Nov 1
Scandinavian Airlines Logo
3:55 pm - 10:10 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
9h 15mnonstop
Scandinavian Airlines Logo
1:05 pm - 1:45 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
9h 40mnonstop
$516Scandinavian Airlines
Sun, Sep 27 - Sun, Oct 11
Lufthansa Logo
2:50 pm - 5:35 pmSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
17h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
8:40 am - 4:59 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
17h 19m1 stop Munich Franz Josef Strauss
$516Lufthansa
Wed, Nov 18 - Sun, Apr 18
Scandinavian Airlines Logo
3:55 pm - 10:10 amSEA  Seattle/Tacoma Intl-CPH Kastrup Copenhagen
9h 15mnonstop
Scandinavian Airlines Logo
1:05 pm - 1:45 pmCPH  Kastrup Copenhagen-SEA Seattle/Tacoma Intl
9h 40mnonstop
$529Scandinavian Airlines
Sun, Sep 27 - Sun, Oct 11

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Air Canada flights from Seattle to Copenhagen

Our best Air Canada deals on Seattle to Copenhagen flight tickets
Air Canada
Oct 24
SEA7:55 amSeattle/Tacoma Intl
20h 30m
2 stops
CPH1:25 pmKastrup Copenhagen
Nov 13
CPH11:35 amKastrup Copenhagen
18h 24m
1 stop
SEA8:59 pmSeattle/Tacoma Intl
$506
Air Canada
Jan 15
SEA7:45 amSeattle/Tacoma Intl
17h 35m
1 stop
CPH10:20 amKastrup Copenhagen
Jan 21
CPH9:50 amKastrup Copenhagen
20h 09m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$508
Air Canada
Feb 13
SEA7:45 amSeattle/Tacoma Intl
19h 40m
2 stops
CPH12:25 pmKastrup Copenhagen
Feb 19
CPH11:35 amKastrup Copenhagen
30h 57m
2 stops
SEA9:32 amSeattle/Tacoma Intl
$513

United Airlines flights from Seattle to Copenhagen

Our best United Airlines deals on Seattle to Copenhagen flight tickets
United Airlines
Oct 22
SEA7:55 amSeattle/Tacoma Intl
17h 55m
1 stop
CPH10:50 amKastrup Copenhagen
Nov 10
CPH1:10 pmKastrup Copenhagen
32h 50m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$509
United Airlines
Jan 12
SEA7:45 amSeattle/Tacoma Intl
17h 35m
1 stop
CPH10:20 amKastrup Copenhagen
Jan 21
CPH1:10 pmKastrup Copenhagen
19h 21m
2 stops
SEA11:31 pmSeattle/Tacoma Intl
$516
United Airlines
Oct 22
SEA7:55 amSeattle/Tacoma Intl
17h 55m
1 stop
CPH10:50 amKastrup Copenhagen
Nov 12
CPH10:05 amKastrup Copenhagen
19h 42m
2 stops
SEA8:47 pmSeattle/Tacoma Intl
$517

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

Return

Price

Cheapest round-trip

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 11/8

10:10 am-5:35 pm

2 stops22h 25m

Kastrup Copenhagen

Mon 11/16

7:15 am-12:00 pm

1 stop13h 45m

$503

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 1/15

7:45 am-10:20 am

1 stop17h 35m

Kastrup Copenhagen

Tue 1/26

8:55 am-9:57 pm

2 stops22h 02m

$504

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Thu 11/12

7:00 am-10:20 am

2 stops18h 20m

Kastrup Copenhagen

Thu 11/26

6:05 am-6:22 pm

2 stops21h 17m

$504

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Thu 1/14

7:45 am-10:20 am

1 stop17h 35m

Kastrup Copenhagen

Tue 1/26

8:55 am-9:57 pm

2 stops22h 02m

$504

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Thu 11/12

7:45 am-10:20 am

1 stop17h 35m

Kastrup Copenhagen

Thu 11/26

7:15 am-12:00 pm

1 stop13h 45m

$507

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Thu 11/12

7:45 am-10:20 am

1 stop17h 35m

Kastrup Copenhagen

Thu 11/26

7:15 am-12:00 pm

1 stop13h 45m

$508

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Fri 10/9

6:50 pm-11:30 pm

1 stop19h 40m

Kastrup Copenhagen

Sun 11/1

8:55 am-2:00 pm

1 stop13h 05m

$512
Quickest round-trip

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-10:10 am

Nonstop9h 15m

Kastrup Copenhagen

Sun 10/11

1:05 pm-1:45 pm

Nonstop9h 40m

$516

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Wed 11/18

2:50 pm-5:35 pm

1 stop17h 45m

Kastrup Copenhagen

Sun 4/18

8:40 am-4:59 pm

1 stop17h 19m

$516

SeattleCopenhagen

SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen

SEACPH

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-10:10 am

Nonstop9h 15m

Kastrup Copenhagen

Sun 10/11

1:05 pm-1:45 pm

Nonstop9h 40m

$529

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 $518 to $762.
The lowest price recently found on this route was $503.

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 $487, 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 $513.

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 $847.

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 $630 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 $608 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 57% 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 September 2026, prices for Seattle to Copenhagen flights are approximately 54% 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

$204

Fastest flight time

9h 15m

Direct flights

Mon, Wed, Sat and Sun

Airports in Copenhagen

1 airport
The best one-way flight to Copenhagen from Seattle in the past 72 hours is $204. The best round-trip flight deal from Seattle to Copenhagen found on momondo in the last 72 hours is $503.
The fastest flight from Seattle to Copenhagen takes 9h 15m
Direct flights go from Seattle to Copenhagen on Monday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Copenhagen. From Seattle there are direct flights to Kastrup Copenhagen (CPH).
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 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
SWISSPriceFrom $371Free CancellationRating
7.5
2,074 reviews
Search SWISS flights
IcelandairPriceFrom $422Free CancellationRating
6.9
745 reviews
Search Icelandair flights
Air FrancePriceFrom $469Free CancellationRating
7.5
1,650 reviews
Search Air France flights
Air CanadaPriceFrom $482Free CancellationRating
7.1
11,640 reviews
Search Air Canada flights
United AirlinesPriceFrom $482Free CancellationRating
7.4
10,214 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $501Free CancellationRating
7.4
1,984 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $506Free CancellationRating
7.8
8,579 reviews
Search Delta flights
British AirwaysPriceFrom $506Free CancellationRating
6.7
8,228 reviews
Search British Airways flights
LufthansaPriceFrom $512Free CancellationRating
6.8
8,229 reviews
Search Lufthansa flights
KLMPriceFrom $524Free CancellationRating
7.8
1,578 reviews
Search KLM flights

  • Delta Flights From Seattle to Copenhagen

    Delta operates around 4 flights from Seattle to Copenhagen every week. The average price of these flights found in the last 72 hours has been $671, but momondo users have found Delta deals from Seattle to Copenhagen from as low as $506 round-trip. Delta has been scored 7.8/10 in 8,579 reviews.

  • Air France Flights From Seattle to Copenhagen

    Another popular option for Seattle to Copenhagen flights is Air France (7.5/10, 1,650 ratings). Air France flies from Seattle to Copenhagen around 4 times per week, with deals starting from $469 round-trip and rising to an average price of around $623.

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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