฿12,900 Cheap Flights from Seattle (SEA) to Copenhagen (CPH)

View ฿12,900 flight on Mon, 16 Mar 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 ฿12,900 for one-way flights and ฿14,320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 6 Nov - Fri, 14 Nov
SEA
Seattle
CPH
Copenhagen
฿14,320 Return, found 1 day ago
฿14,320
Return
found 1 day ago
Select Icelandair flight, departing Thu, 6 Nov from Seattle to Copenhagen, returning Fri, 14 Nov, priced at ฿14,320 found 1 day ago
Icelandair
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿14,345 Return, found 6 days ago
฿14,345
Return
found 6 days ago
Select Icelandair flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿14,345 found 6 days ago
Icelandair
Thu, 6 Nov - Fri, 14 Nov
SEA
Seattle
CPH
Copenhagen
฿16,325 Return, found 1 day ago
฿16,325
Return
found 1 day ago
Select Icelandair flight, departing Thu, 6 Nov from Seattle to Copenhagen, returning Fri, 14 Nov, priced at ฿16,325 found 1 day ago
Icelandair
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿16,505 Return, found 6 days ago
฿16,505
Return
found 6 days ago
Select Icelandair flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿16,505 found 6 days ago
Air France
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿18,145 Return, found 6 days ago
฿18,145
Return
found 6 days ago
Select Air France flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿18,145 found 6 days ago
Delta
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿18,160 Return, found 6 days ago
฿18,160
Return
found 6 days ago
Select Delta flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿18,160 found 6 days ago
Icelandair
Thu, 6 Nov - Fri, 14 Nov
SEA
Seattle
CPH
Copenhagen
฿18,170 Return, found 1 day ago
฿18,170
Return
found 1 day ago
Select Icelandair flight, departing Thu, 6 Nov from Seattle to Copenhagen, returning Fri, 14 Nov, priced at ฿18,170 found 1 day ago
KLM
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿18,525 Return, found 6 days ago
฿18,525
Return
found 6 days ago
Select KLM flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿18,525 found 6 days ago
Virgin Atlantic
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿18,540 Return, found 6 days ago
฿18,540
Return
found 6 days ago
Select Virgin Atlantic flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿18,540 found 6 days ago
United
Mon, 16 Mar - Mon, 23 Mar
SEA
Seattle
CPH
Copenhagen
฿18,695 Return, found 6 days ago
฿18,695
Return
found 6 days ago
Select United flight, departing Mon, 16 Mar from Seattle to Copenhagen, returning Mon, 23 Mar, priced at ฿18,695 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Copenhagen (CPH)

February is typically the cheapest month to fly

From ฿13,054 - ฿28,947 per traveller.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Kastrup Airport (CPH)?
Round-trip journeys between Sea-Tac Airport and CPH start from ฿14,320. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Copenhagen Airport, Kastrup?
This can differ between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from SEA to Copenhagen Airport, Kastrup that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to CPH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to CPH?
The distance is around 7,800 kilometres, so fill your carry-on luggage with whatever you need to make your journey comfortable. Wondering what to take on board your SeaTac to Kastrup flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to CPH?
You won't find any airlines flying directly between Seattle - Tacoma Intl. Airport (SEA) and Copenhagen Airport, Kastrup, so be ready to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are SEA to Kastrup Airport (CPH) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to CPH at the last minute could be your ticket to an awesome deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kastrup
Return price
฿14,320
Distance
7763 km
Average flight time
9 hours 30 mins

Book with confidence

Book with confidence

Perfect flights from Seattle to Copenhagen

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Copenhagen. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Copenhagen, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Kastrup ticket options cater to your travel preferences, with incredible one-way fares from ฿12,900 and roundtrip prices from ฿14,320. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kastrup and explore Copenhagen and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your SEA to CPH travel arrangements today and embark on the journey of a lifetime in Copenhagen.
Perfect flights from Seattle to Copenhagen

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