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Cheap flights from Seattle to Copenhagen from $216

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 Copenhagen departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 pm - 11:45 am
SEA
-
CPH
12h 10m
1 stop
Icelandair Logo
12:55 pm - 5:00 pm
CPH
-
SEA
13h 05m
1 stop
$473Icelandair
Sat, Nov 7 - Sat, Nov 14
Air Canada Logo
5:45 am - 8:55 am
SEA
-
CPH
42h 10m
2 stops
Air Canada Logo
12:15 pm - 10:07 am
CPH
-
SEA
30h 52m
2 stops
$474Air Canada
Sat, Aug 15 - Mon, Aug 24
Air Canada Logo
5:45 am - 8:55 am
SEA
-
CPH
42h 10m
2 stops
Air Canada Logo
12:30 pm - 9:07 pm
CPH
-
SEA
17h 37m
1 stop
$479Air Canada
Sat, Aug 15 - Mon, Aug 24
United Airlines Logo
8:10 am - 10:20 am
SEA
-
CPH
17h 10m
1 stop
United Airlines Logo
11:35 am - 10:16 pm
CPH
-
SEA
19h 41m
1 stop
$484United Airlines
Sat, Nov 7 - Sun, Nov 15
Multiple Airlines Logo
8:00 am - 10:50 am
SEA
-
CPH
17h 50m
1 stop
Multiple Airlines Logo
5:10 pm - 4:59 pm
CPH
-
SEA
32h 49m
1 stop
$486Multiple Airlines
Wed, Aug 12 - Mon, Aug 24
United Airlines Logo
4:34 pm - 10:35 am
SEA
-
CPH
33h 01m
2 stops
United Airlines Logo
12:15 pm - 9:36 am
CPH
-
SEA
30h 21m
2 stops
$494United Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
5:45 am - 8:55 am
SEA
-
CPH
42h 10m
2 stops
Multiple Airlines Logo
6:00 am - 4:59 pm
CPH
-
SEA
19h 59m
1 stop
$496Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
7:05 pm - 11:05 pm
SEA
-
CPH
43h 00m
2 stops
Multiple Airlines Logo
11:35 am - 2:37 pm
CPH
-
SEA
36h 02m
2 stops
$500Multiple Airlines
Sat, Nov 7 - Sun, Nov 15
Air Canada Logo
8:10 am - 10:20 am
SEA
-
CPH
17h 10m
1 stop
Air Canada Logo
9:50 am - 10:16 pm
CPH
-
SEA
21h 26m
2 stops
$505Air Canada
Thu, Nov 5 - Sat, Nov 14
Multiple Airlines Logo
5:45 am - 8:55 am
SEA
-
CPH
42h 10m
2 stops
Multiple Airlines Logo
7:25 pm - 4:59 pm
CPH
-
SEA
30h 34m
1 stop
$507Multiple Airlines
Sat, Aug 15 - Mon, Aug 24

Icelandair flights from Seattle to Copenhagen

Our best Icelandair deals on Seattle to Copenhagen flight tickets
Icelandair
Nov 7
SEA2:35 pmSeattle/Tacoma Intl
12h 10m
1 stop
CPH11:45 amKastrup Copenhagen
Nov 14
CPH12:55 pmKastrup Copenhagen
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$473
Icelandair
Oct 1
SEA7:00 pmSeattle/Tacoma Intl
11h 55m
1 stop
CPH3:55 pmKastrup Copenhagen
Nov 24
CPH8:15 amKastrup Copenhagen
17h 45m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$537
Icelandair
Oct 1
SEA7:00 pmSeattle/Tacoma Intl
11h 55m
1 stop
CPH3:55 pmKastrup Copenhagen
Nov 17
CPH8:45 pmKastrup Copenhagen
29h 15m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$539

Air Canada flights from Seattle to Copenhagen

Our best Air Canada deals on Seattle to Copenhagen flight tickets
Air Canada
Aug 15
SEA5:45 amSeattle/Tacoma Intl
42h 10m
2 stops
CPH8:55 amKastrup Copenhagen
Aug 24
CPH12:15 pmKastrup Copenhagen
30h 52m
2 stops
SEA10:07 amSeattle/Tacoma Intl
$474
Air Canada
Aug 15
SEA5:45 amSeattle/Tacoma Intl
42h 10m
2 stops
CPH8:55 amKastrup Copenhagen
Aug 24
CPH12:30 pmKastrup Copenhagen
17h 37m
1 stop
SEA9:07 pmSeattle/Tacoma Intl
$479
Air Canada
Nov 5
SEA8:10 amSeattle/Tacoma Intl
17h 10m
1 stop
CPH10:20 amKastrup Copenhagen
Nov 14
CPH9:50 amKastrup Copenhagen
21h 26m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$505

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Copenhagen 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 May 13, 2026.
Use the filters below to find and compare flights from Seattle to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 11/7

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Sat 11/14

12:55 pm-5:00 pm

1 stop13h 05m

$473

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

5:45 am-8:55 am

2 stops42h 10m

Kastrup Copenhagen

Mon 8/24

12:15 pm-10:07 am

2 stops30h 52m

$474

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

5:45 am-8:55 am

2 stops42h 10m

Kastrup Copenhagen

Mon 8/24

12:30 pm-9:07 pm

1 stop17h 37m

$479

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 11/7

8:10 am-10:20 am

1 stop17h 10m

Kastrup Copenhagen

Sun 11/15

11:35 am-10:16 pm

1 stop19h 41m

$484

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 8/12

8:00 am-10:50 am

1 stop17h 50m

Kastrup Copenhagen

Mon 8/24

5:10 pm-4:59 pm

1 stop32h 49m

$486

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

4:34 pm-10:35 am

2 stops33h 01m

Kastrup Copenhagen

Sat 8/22

12:15 pm-9:36 am

2 stops30h 21m

$494

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

5:45 am-8:55 am

2 stops42h 10m

Kastrup Copenhagen

Sat 8/22

6:00 am-4:59 pm

1 stop19h 59m

$496

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 11/7

7:05 pm-11:05 pm

2 stops43h 00m

Kastrup Copenhagen

Sun 11/15

11:35 am-2:37 pm

2 stops36h 02m

$500

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 11/5

8:10 am-10:20 am

1 stop17h 10m

Kastrup Copenhagen

Sat 11/14

9:50 am-10:16 pm

2 stops21h 26m

$505

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

5:45 am-8:55 am

2 stops42h 10m

Kastrup Copenhagen

Mon 8/24

7:25 pm-4:59 pm

1 stop30h 34m

$507

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?

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 $447, 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 $514.

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 $644. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Copenhagen for around $753.

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 $602 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 $560 on momondo.

Can stopping save me money on Seattle to Copenhagen flights?

You could potentially save up to 53% 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 May 2026, prices for Seattle to Copenhagen flights are approximately 63% 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

$579

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 $579. The best round-trip flight deal from Seattle to Copenhagen found on momondo in the last 72 hours is $748.
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
1,945 reviews
Search SWISS flights
IcelandairPriceFrom $419Free CancellationRating
7.0
654 reviews
Search Icelandair flights
Air FrancePriceFrom $469Free CancellationRating
7.4
1,587 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom $504Free CancellationRating
7.4
1,777 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $506Free CancellationRating
7.9
8,452 reviews
Search Delta flights
British AirwaysPriceFrom $506Free CancellationRating
6.7
7,978 reviews
Search British Airways flights
LufthansaPriceFrom $509Free CancellationRating
6.8
7,996 reviews
Search Lufthansa flights
Air CanadaPriceFrom $515Free CancellationRating
7.1
11,029 reviews
Search Air Canada flights
KLMPriceFrom $528Free CancellationRating
7.8
1,517 reviews
Search KLM flights
United AirlinesPriceFrom $535Free CancellationRating
7.4
9,711 reviews
Search United Airlines 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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