€177 Cheap Flights Seattle to Copenhagen (SEA-CPH)

View €177 flight on Mon, 27 Apr 2026Opens in a new window

Flight 1

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

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Cheap flights from Seattle to Copenhagen (SEA-CPH)

Prices were available within the past 7 days and start at €177 for one-way flights and €440 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, 29 Apr - Sun, 3 May
SEA
Seattle
CPH
Copenhagen
€440 Return, found 4 days ago
€440
Return
found 4 days ago
Select Icelandair flight, departing Wed, 29 Apr from Seattle to Copenhagen, returning Sun, 3 May, priced at €440 found 4 days ago
Delta
Wed, 29 Apr - Sun, 3 May
SEA
Seattle
CPH
Copenhagen
€490 Return, found 4 days ago
€490
Return
found 4 days ago
Select Delta flight, departing Wed, 29 Apr from Seattle to Copenhagen, returning Sun, 3 May, priced at €490 found 4 days ago
Air France
Wed, 2 Dec - Mon, 7 Dec
SEA
Seattle
CPH
Copenhagen
€513 Return, found 5 days ago
€513
Return
found 5 days ago
Select Air France flight, departing Wed, 2 Dec from Seattle to Copenhagen, returning Mon, 7 Dec, priced at €513 found 5 days ago
Delta
Wed, 29 Apr - Sun, 3 May
SEA
Seattle
CPH
Copenhagen
€514 Return, found 4 days ago
€514
Return
found 4 days ago
Select Delta flight, departing Wed, 29 Apr from Seattle to Copenhagen, returning Sun, 3 May, priced at €514 found 4 days ago
Delta
Wed, 2 Dec - Mon, 7 Dec
SEA
Seattle
CPH
Copenhagen
€523 Return, found 5 days ago
€523
Return
found 5 days ago
Select Delta flight, departing Wed, 2 Dec from Seattle to Copenhagen, returning Mon, 7 Dec, priced at €523 found 5 days ago
KLM
Wed, 29 Apr - Sun, 3 May
SEA
Seattle
CPH
Copenhagen
€524 Return, found 4 days ago
€524
Return
found 4 days ago
Select KLM flight, departing Wed, 29 Apr from Seattle to Copenhagen, returning Sun, 3 May, priced at €524 found 4 days ago
Air France
Wed, 2 Dec - Mon, 7 Dec
SEA
Seattle
CPH
Copenhagen
€538 Return, found 5 days ago
€538
Return
found 5 days ago
Select Air France flight, departing Wed, 2 Dec from Seattle to Copenhagen, returning Mon, 7 Dec, priced at €538 found 5 days ago
KLM
Wed, 29 Apr - Sun, 3 May
SEA
Seattle
CPH
Copenhagen
€548 Return, found 4 days ago
€548
Return
found 4 days ago
Select KLM flight, departing Wed, 29 Apr from Seattle to Copenhagen, returning Sun, 3 May, priced at €548 found 4 days ago
Scandinavian Airlines
Sun, 31 May - Tue, 16 Jun
SEA
Seattle
CPH
Copenhagen
€589 Return, found 16 hours ago
€589
Return
found 16 hours ago
Select Scandinavian Airlines flight, departing Sun, 31 May from Seattle to Copenhagen, returning Tue, 16 Jun, priced at €589 found 16 hours ago
Air Canada
Sun, 16 Aug - Sat, 5 Sept
SEA
Seattle
CPH
Copenhagen
€617 Return, found 5 days ago
€617
Return
found 5 days ago
Select Air Canada flight, departing Sun, 16 Aug from Seattle to Copenhagen, returning Sat, 5 Sept, priced at €617 found 5 days ago

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 €440. 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

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, American Airlines, Brussels Airlines, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic
Return price
€439
Distance
7763 km

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