What airlines fly to Copenhagen?

Icelandair, Scandinavian Airlines and British Airways are the top three most popular airlines that fly to Copenhagen from Seattle according to our data. Icelandair is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 11 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Copenhagen?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 12h 30m.

Which layover airport has the shortest connection time from Seattle to Copenhagen?

Munich (MUC) has the shortest average layover time for this route: 1h 28m.

How many flights depart from Seattle to Copenhagen on average per week?

As of September 2025, 6 flights take off from Seattle and land in Copenhagen each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Kastrup Copenhagen?

Icelandair, Lufthansa, and Air Canada are the most popular carriers operating from Seattle/Tacoma Intl to Kastrup Copenhagen

Which airport is the most popular layover for flights between Seattle and Copenhagen?

Reykjavik (KEF) was the most common stop: 72% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Copenhagen?

Flights via San Francisco (SFO) offer the lowest average round-trip price of $580.

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?

There are 11 operators available for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport as of September 2025.

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.

$287 Cheap Flights from Seattle to Copenhagen in 2025/26

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Find the cheapest flights from Seattle to Copenhagen

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:45 pm - 12:55 pmSEA-CPH

12h 10m1 stop

4:45 pm - 8:40 pmCPH-SEA

12h 55m1 stop

$439Icelandair

Find Deal

Fri, Oct 10 - Fri, Oct 24

2:35 pm - 7:50 pmSEA-CPH

20h 15m1 stop

12:55 pm - 5:00 pmCPH-SEA

13h 05m1 stop

$440Icelandair

Find Deal

Wed, Feb 11 - Fri, Feb 20

2:35 pm - 11:45 amSEA-CPH

12h 10m1 stop

5:15 pm - 9:10 pmCPH-SEA

12h 55m1 stop

$441Icelandair

Find Deal

Mon, Nov 24 - Tue, Apr 14

2:11 pm - 3:25 pmSEA-CPH

16h 14m1 stop

1:55 pm - 8:43 pmCPH-SEA

15h 48m1 stop

$480Scandinavian Airlines

Find Deal

Thu, Nov 27 - Wed, Apr 15

2:11 pm - 3:25 pmSEA-CPH

16h 14m1 stop

2:20 pm - 10:58 pmCPH-SEA

17h 38m1 stop

$489Scandinavian Airlines

Find Deal

Wed, Dec 3 - Thu, Dec 11

6:50 pm - 5:20 pmSEA-CPH

13h 30m1 stop

10:30 am - 12:49 amCPH-SEA

22h 19m2 stops

$516British Airways

Find Deal

Wed, Mar 4 - Tue, Mar 10

10:53 am - 12:25 pmSEA-CPH

16h 32m2 stops

6:00 am - 1:20 pmCPH-SEA

16h 20m1 stop

$522United Airlines

Find Deal

Tue, Nov 25 - Wed, Dec 3

12:35 pm - 5:35 pmSEA-CPH

20h 00m2 stops

8:55 am - 1:20 pmCPH-SEA

13h 25m1 stop

$523United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 17

6:00 am - 9:55 amSEA-CPH

18h 55m1 stop

9:25 am - 8:45 pmCPH-SEA

20h 20m2 stops

$534Delta

Find Deal

Tue, Sep 30 - Tue, Oct 7

9:58 pm - 6:30 amSEA-CPH

23h 32m1 stop

6:00 am - 4:10 pmCPH-SEA

19h 10m2 stops

$535Delta

Find Deal

Sun, Oct 5 - Tue, Oct 14

Icelandair flights from Seattle to Copenhagen

Our best Icelandair deals on Seattle to Copenhagen flight tickets

Icelandair

Oct 10

SEA3:45 pmSeattle/Tacoma Intl

12h 10m

1 stop

CPH12:55 pmKastrup Copenhagen

Oct 24

CPH4:45 pmKastrup Copenhagen

12h 55m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$439

Find similar

Icelandair

Feb 11

SEA2:35 pmSeattle/Tacoma Intl

20h 15m

1 stop

CPH7:50 pmKastrup Copenhagen

Feb 20

CPH12:55 pmKastrup Copenhagen

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$440

Find similar

Icelandair

Nov 24

SEA2:35 pmSeattle/Tacoma Intl

12h 10m

1 stop

CPH11:45 amKastrup Copenhagen

Apr 14

CPH5:15 pmKastrup Copenhagen

12h 55m

1 stop

SEA9:10 pmSeattle/Tacoma Intl

$441

Find similar

SWISS flights from Seattle to Copenhagen

Our best SWISS deals on Seattle to Copenhagen flight tickets

SWISS

Oct 27

SEA2:40 pmSeattle/Tacoma Intl

24h 25m

2 stops

CPH11:05 pmKastrup Copenhagen

Nov 3

CPH7:55 pmKastrup Copenhagen

35h 50m

2 stops

SEA10:45 pmSeattle/Tacoma Intl

$533

Find similar

SWISS

Sep 30

SEA3:28 pmSeattle/Tacoma Intl

17h 42m

2 stops

CPH6:10 pmKastrup Copenhagen

Oct 7

CPH6:40 amKastrup Copenhagen

20h 56m

2 stops

SEA6:36 pmSeattle/Tacoma Intl

$582

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Fri 10/10

3:45 pm-12:55 pm

1 stop12h 10m

Kastrup Copenhagen

Fri 10/24

4:45 pm-8:40 pm

1 stop12h 55m

$439

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 2/11

2:35 pm-7:50 pm

1 stop20h 15m

Kastrup Copenhagen

Fri 2/20

12:55 pm-5:00 pm

1 stop13h 05m

$440

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 11/24

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Tue 4/14

5:15 pm-9:10 pm

1 stop12h 55m

$441

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 11/27

2:11 pm-3:25 pm

1 stop16h 14m

Kastrup Copenhagen

Wed 4/15

1:55 pm-8:43 pm

1 stop15h 48m

$480

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 12/3

2:11 pm-3:25 pm

1 stop16h 14m

Kastrup Copenhagen

Thu 12/11

2:20 pm-10:58 pm

1 stop17h 38m

$489

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/4

6:50 pm-5:20 pm

1 stop13h 30m

Kastrup Copenhagen

Tue 3/10

10:30 am-12:49 am

2 stops22h 19m

$516

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 11/25

10:53 am-12:25 pm

2 stops16h 32m

Kastrup Copenhagen

Wed 12/3

6:00 am-1:20 pm

1 stop16h 20m

$522

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 12/3

12:35 pm-5:35 pm

2 stops20h 00m

Kastrup Copenhagen

Wed 12/17

8:55 am-1:20 pm

1 stop13h 25m

$523

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 9/30

6:00 am-9:55 am

1 stop18h 55m

Kastrup Copenhagen

Tue 10/7

9:25 am-8:45 pm

2 stops20h 20m

$534

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 10/5

9:58 pm-6:30 am

1 stop23h 32m

Kastrup Copenhagen

Tue 10/14

6:00 am-4:10 pm

2 stops19h 10m

$535

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

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 $575, 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 $586.

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

The cheapest day to depart from Seattle to Copenhagen is on a Tuesday when prices can be found for as low as $665. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Copenhagen for around $748.

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

Flying to Copenhagen from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $632 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $782. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 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 $567 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Kastrup Copenhagen flights?

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

How have Seattle to Copenhagen flight prices changed over time?

As of September 2025, prices for Seattle to Copenhagen flights are approximately 64% 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	$397
Fastest flight time	9h 30m
Direct flights	Mon, Thu and Sat
Airports in Copenhagen	1 airport

The best one-way flight to Copenhagen from Seattle in the past 72 hours is $397. The best round-trip flight deal from Seattle to Copenhagen found on momondo in the last 72 hours is $524.

The fastest flight from Seattle to Copenhagen takes 9h 30m

Direct flights go from Seattle to Copenhagen on Monday, Thursday and Saturday. There are no airlines offering direct flights.

There is 1 airport near Copenhagen: Kastrup Copenhagen (CPH)

Search flight deals

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 30m.
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?
There are 11 operators available for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport as of September 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Copenhagen is Airbus A350-900, representing 52.09% of all bookings. The subsequent popular models are Airbus A330-300 at 25.05%, Airbus A330-900neo at 6.59%, and Boeing 787-10 Dreamliner at 4.40%.
What is the most popular airline from Seattle to Copenhagen?
Based on momondo bookings for flights between Seattle and Copenhagen, the leading airline is Icelandair, making up 42% of the total bookings. Other popular airlines include Scandinavian Airlines with 37%, British Airways with 5%, and Delta with 4%.

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
Air France	PriceFrom $418	Free Cancellation	Rating 7.4 1,468 reviews	Search Air France flights
Icelandair	PriceFrom $422	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
Finnair	PriceFrom $476	Free Cancellation	Rating 7.6 1,324 reviews	Search Finnair flights
American Airlines	PriceFrom $486	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $493	Free Cancellation	Rating 6.7 7,373 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 1,487 reviews	Search Scandinavian Airlines flights
Air Canada	PriceFrom $536	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom $553	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 7,415 reviews	Search Lufthansa flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights

Delta Flights From Seattle to Copenhagen
Delta operates around 3 flights from Seattle to Copenhagen every week. The average price of these flights found in the last 72 hours has been $790, but momondo users have found Delta deals from Seattle to Copenhagen from as low as $558 round-trip. Delta has been scored 7.9/10 in 7,964 reviews.
Scandinavian Airlines Flights From Seattle to Copenhagen
Another popular option for Seattle to Copenhagen flights is Scandinavian Airlines (7.4/10, 1,487 ratings). Scandinavian Airlines flies from Seattle to Copenhagen around 3 times per week, with deals starting from $497 round-trip and rising to an average price of around $727.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to Copenhagen from $287

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 11/23. 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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Big names and deals

Filter for what you want

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Find the cheapest flights from Seattle to Copenhagen

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Icelandair flights from Seattle to Copenhagen

Our best Icelandair deals on Seattle to Copenhagen flight tickets

SWISS flights from Seattle to Copenhagen

Our best SWISS deals on Seattle to Copenhagen flight tickets

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

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 cheapest month to fly to Copenhagen?

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

The cheapest day to depart from Seattle to Copenhagen is on a Tuesday when prices can be found for as low as $665. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Copenhagen for around $748.

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

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 to Copenhagen?

What cabin class options are available on Seattle/Tacoma Intl to Kastrup Copenhagen flights?

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

How have Seattle to Copenhagen flight prices changed over time?

As of September 2025, prices for Seattle to Copenhagen flights are approximately 64% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Kastrup Copenhagen?

Icelandair, Lufthansa, and Air Canada are the most popular carriers operating from Seattle/Tacoma Intl to Kastrup Copenhagen

What airlines fly to Copenhagen?

Which airport is the most popular layover for flights between Seattle and Copenhagen?

Reykjavik (KEF) was the most common stop: 72% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Copenhagen?

Flights via San Francisco (SFO) offer the lowest average round-trip price of $580.

Which layover airport has the shortest travel time from Seattle to Copenhagen?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 12h 30m.

Which layover airport has the shortest connection time from Seattle to Copenhagen?

Munich (MUC) has the shortest average layover time for this route: 1h 28m.

How many flights depart from Seattle to Copenhagen on average per week?

As of September 2025, 6 flights take off from Seattle and land in Copenhagen each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.

When to book flights from Seattle to Copenhagen

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

Fastest flight time

Direct flights

Airports in Copenhagen

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

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

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?

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

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

Delta Flights From Seattle to Copenhagen

Scandinavian Airlines Flights From Seattle to Copenhagen

Traveling to a place near Copenhagen?

Why use momondo?

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

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

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

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

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Airports servicing Denmark