A harbor with colorful buildings and several sailboats docked.

CA $356 Cheap Flights from Seattle (SEA) to Copenhagen (CPH)

View CA $356 flight on Sun, Nov 1, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Kastrup Airport (CPH)

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Cheap flights from Seattle (SEA) to Copenhagen (CPH)

Prices were available within the past 7 days and start at CA $356 for one-way flights and CA $675 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Aug 11 - Mon, Aug 24
SEA
Seattle
CPH
Copenhagen
CA $675 Roundtrip, found 4 days ago
CA $675
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Aug 11 from Seattle to Copenhagen, returning Mon, Aug 24, priced at CA $675 found 4 days ago
United
Tue, Dec 8 - Fri, Dec 25
SEA
Seattle
CPH
Copenhagen
CA $683 Roundtrip, found 5 days ago
CA $683
Roundtrip
found 5 days ago
Select United flight, departing Tue, Dec 8 from Seattle to Copenhagen, returning Fri, Dec 25, priced at CA $683 found 5 days ago
Air Canada
Mon, Aug 17 - Tue, Aug 25
SEA
Seattle
CPH
Copenhagen
CA $683 Roundtrip, found 23 hours ago
CA $683
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Mon, Aug 17 from Seattle to Copenhagen, returning Tue, Aug 25, priced at CA $683 found 23 hours ago
Air Canada
Tue, Dec 29 - Sat, Jan 9
SEA
Seattle
CPH
Copenhagen
CA $685 Roundtrip, found 8 hours ago
CA $685
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Tue, Dec 29 from Seattle to Copenhagen, returning Sat, Jan 9, priced at CA $685 found 8 hours ago
Air Canada
Sat, Dec 12 - Sat, Jan 9
SEA
Seattle
CPH
Copenhagen
CA $685 Roundtrip, found 23 hours ago
CA $685
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Sat, Dec 12 from Seattle to Copenhagen, returning Sat, Jan 9, priced at CA $685 found 23 hours ago
Icelandair
Sun, Nov 8 - Sat, Nov 21
SEA
Seattle
CPH
Copenhagen
CA $708 Roundtrip, found 5 days ago
CA $708
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sun, Nov 8 from Seattle to Copenhagen, returning Sat, Nov 21, priced at CA $708 found 5 days ago
Lufthansa
Thu, Aug 13 - Wed, Aug 26
SEA
Seattle
CPH
Copenhagen
CA $727 Roundtrip, found 3 days ago
CA $727
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Thu, Aug 13 from Seattle to Copenhagen, returning Wed, Aug 26, priced at CA $727 found 3 days ago
Scandinavian Airlines
Fri, Oct 2 - Fri, Oct 9
SEA
Seattle
CPH
Copenhagen
CA $747 Roundtrip, found 3 days ago
CA $747
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Fri, Oct 2 from Seattle to Copenhagen, returning Fri, Oct 9, priced at CA $747 found 3 days ago
Swiss International Air Lines
Mon, Nov 2 - Mon, Nov 16
SEA
Seattle
CPH
Copenhagen
CA $756 Roundtrip, found 5 days ago
CA $756
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Mon, Nov 2 from Seattle to Copenhagen, returning Mon, Nov 16, priced at CA $756 found 5 days ago
Virgin Atlantic
Thu, Apr 22 - Thu, May 6
SEA
Seattle
CPH
Copenhagen
CA $806 Roundtrip, found 12 hours ago
CA $806
Roundtrip
found 12 hours ago
Select Virgin Atlantic flight, departing Thu, Apr 22 from Seattle to Copenhagen, returning Thu, May 6, priced at CA $806 found 12 hours ago

Alternative airports near Copenhagen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kastrup CPH. Cheapest and Closest option available. Average driving time to city centre is 10 minutes. Flights from CA $849
CPH
Kastrup
CheapestClosest
Average driving time to city centre10 min
Flights from CA $849

Frequently asked questions

Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
Enter SEA to CPH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) to Copenhagen (CPH-Kastrup) (CPH) will differ from traveller to traveller. If you like to fly early, SK offers early morning flights. If price is the most important factor, SK typically offers the lowest fares. DL offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) to Copenhagen (CPH-Kastrup) (CPH), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
There are approximately 102 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Kastrup (CPH). Some common connection points include O'Hare Intl. (ORD), Vancouver Intl. (YVR), and Pearson Intl. (YYZ).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Kastrup (CPH) typically departs at approximately 12:05 AM local time, operated by Alaska Airlines. This is a seasonal service active in May and June. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Kastrup (CPH) on a Tuesday, with around 96 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and Alaska Airlines. Tuesday offers notably more flight options compared to other days of the week, making it a great day to find a flight that suits your schedule.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Kastrup (CPH) are between 12pm and 3pm. This accounts for around 30% of total traffic. Many major carriers, including Lufthansa, British Airways and Delta, offer flights during this window. This timing works well because it allows for a midday departure, getting you to your destination in the evening.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
A nonstop flight from SEA to CPH typically takes around 9 hours 20 minutes, covering approximately 4,853 miles. Connecting flights on this route usually add 7 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
Select the "Business class" and "First class" filters when looking for SEA to CPH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Copenhagen from Seattle - Tacoma Intl. (SEA)?
From Seattle - Tacoma Intl. (SEA), you can fly into Kastrup (CPH) to reach Copenhagen. Some flights may connect through major hubs like O'Hare Intl. (ORD), Vancouver Intl. (YVR), Washington Dulles Intl. (IAD) before reaching Copenhagen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Copenhagen (CPH-Kastrup) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
CA $675
Distance
7763 km
Average flight time
9 hours 15 mins

Book with confidence

Seattle to Copenhagen Flights

The easy way to book your flights from Seattle to Copenhagen 

With Expedia, it’s simple to find and book flights to Copenhagen from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kastrup, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Copenhagen today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Kastrup, CPH 

Sort your search results by price to find great deals on your flight from Seattle to Copenhagen—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Copenhagen from Seattle currently is just CA $675 rising to CA $806.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Copenhagen  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Copenhagen from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Copenhagen with Expedia today.

Seattle to Copenhagen Flights

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