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Cheap flights from Seattle to Copenhagen from C$ 287

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Copenhagen

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Copenhagen
Explore the most affordable flight options available from Seattle to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Mon 27/78:00 a.m.
SEA
-
CPH
1 stop17h 50m
United Airlines
Sat 8/812:45 p.m.
CPH
-
SEA
1 stop17h 22m
United Airlines
Deal found 5/6C$ 835
Mon 13/76:35 p.m.
SEA
-
CPH
1 stop15h 10m
Delta
Tue 24/116:00 a.m.
CPH
-
SEA
2 stops22h 23m
Delta
Deal found 5/6C$ 837
Mon 13/76:35 p.m.
SEA
-
CPH
1 stop15h 10m
Delta
Mon 23/116:45 a.m.
CPH
-
SEA
2 stops22h 46m
Delta
Deal found 5/6C$ 838
Sat 15/87:00 p.m.
SEA
-
CPH
1 stop32h 55m
Icelandair
Sat 22/87:20 a.m.
CPH
-
SEA
1 stop13h 25m
Icelandair
Deal found 6/6C$ 839
Wed 2/911:00 p.m.
SEA
-
CPH
2 stops26h 50m
United Airlines
Tue 8/912:45 p.m.
CPH
-
SEA
3 stops31h 59m
United Airlines
Deal found 7/6C$ 841
Sun 2/85:15 p.m.
SEA
-
CPH
2 stops32h 35m
United Airlines
Thu 13/812:45 p.m.
CPH
-
SEA
1 stop17h 22m
United Airlines
Deal found 6/6C$ 842
Tue 14/77:15 a.m.
SEA
-
CPH
2 stops19h 10m
Delta
Thu 26/116:00 a.m.
CPH
-
SEA
2 stops19h 53m
Delta
Deal found 5/6C$ 844
Wed 15/711:25 p.m.
SEA
-
CPH
1 stop21h 55m
Icelandair
Tue 24/118:15 a.m.
CPH
-
SEA
1 stop17h 45m
Icelandair
Deal found 5/6C$ 848
Thu 13/85:13 p.m.
SEA
-
CPH
2 stops32h 37m
United Airlines
Tue 8/912:45 p.m.
CPH
-
SEA
3 stops31h 59m
United Airlines
Deal found 8/6C$ 849
Tue 1/911:00 p.m.
SEA
-
CPH
2 stops26h 50m
United Airlines
Sat 19/96:00 a.m.
CPH
-
SEA
1 stop19h 59m
United Airlines
Deal found 7/6C$ 851
Sun 6/96:05 a.m.
SEA
-
CPH
1 stop20h 40m
Delta
Mon 14/911:50 a.m.
CPH
-
SEA
2 stops20h 00m
Delta
Deal found 7/6C$ 852
Fri 14/81:50 p.m.
SEA
-
CPH
1 stop19h 25m
Delta
Thu 10/126:45 a.m.
CPH
-
SEA
2 stops21h 38m
Delta
Deal found 7/6C$ 853

Find flight deals from Seattle to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 June 2026.

Round-trip from

C$ 835

One-way from

C$ 287

Popular in

December

Cheapest in

February

Average price

C$ 1,072

Good round-trip deal

C$ 897 or less
United Airlines
  • United Airlines
  • 27/7-8/8
  • 2 total stops
  • 35h 12m total
  • Seattle to Copenhagen
Search Deals
Icelandair
  • Icelandair
  • 21/8
  • 1 total stop
  • 17h 45m total
  • Seattle to Copenhagen
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Kastrup Copenhagen.
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 10 June 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

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Fri 4/9

5:13 p.m.-10:50 a.m.

2 stops32h 37m

Kastrup Copenhagen

Sun 13/9

12:45 p.m.-7:08 p.m.

3 stops63h 23m

C$ 867

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 24/8

7:15 a.m.-10:40 a.m.

2 stops18h 25m

Kastrup Copenhagen

Mon 7/9

6:05 a.m.-5:43 p.m.

1 stop20h 38m

C$ 880

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 19/8

6:50 p.m.-11:30 p.m.

1 stop19h 40m

Kastrup Copenhagen

Sun 30/8

6:20 a.m.-11:44 p.m.

2 stops26h 24m

C$ 891

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 28/7

5:40 p.m.-3:45 p.m.

1 stop13h 05m

Kastrup Copenhagen

Mon 3/8

1:55 p.m.-11:54 p.m.

1 stop18h 59m

C$ 895

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 30/8

6:05 a.m.-11:45 a.m.

1 stop20h 40m

Kastrup Copenhagen

Thu 17/9

9:25 a.m.-8:36 p.m.

2 stops20h 11m

C$ 901

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 2/8

7:00 p.m.-6:20 a.m.

1 stop26h 20m

Kastrup Copenhagen

Sun 23/8

4:55 p.m.-11:45 a.m.

1 stop27h 50m

C$ 912

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 20/7

6:35 p.m.-6:45 p.m.

1 stop15h 10m

Kastrup Copenhagen

Mon 3/8

6:00 a.m.-5:00 p.m.

2 stops20h 00m

C$ 920

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 23/8

5:26 p.m.-10:50 a.m.

2 stops32h 24m

Kastrup Copenhagen

Sun 6/9

6:20 a.m.-4:07 p.m.

2 stops18h 47m

C$ 929

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 22/8

7:00 a.m.-9:15 a.m.

2 stops17h 15m

Kastrup Copenhagen

Sun 6/9

6:50 a.m.-4:07 p.m.

2 stops18h 17m

C$ 1,079

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 1/8

6:50 p.m.-11:30 p.m.

1 stop19h 40m

Kastrup Copenhagen

Sun 9/8

12:45 p.m.-10:56 p.m.

2 stops43h 11m

C$ 1,148

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Copenhagen

How far ahead should I book a flight from Seattle to Copenhagen?

The best time to book flights from Seattle to Copenhagen is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Copenhagen?

Currently, February is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of C$ 623). Flying from Seattle to Copenhagen in December is currently the most expensive (average of C$ 1,138). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to CPH?

Find hourly flight availability from Seattle to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 June 2026.

When flying from Seattle to Copenhagen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Seattle to Copenhagen?

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Copenhagen. Reviews last updated 10 June 2026.
Check out reviews from past customers who have flown with Scandinavian Airlines and Icelandair from Seattle to Copenhagen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,815 reviews
Check prices

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Scandinavian Airlines
7.4
Good
1,815 reviews
Scandinavian Airlines
7.4
Good
1,815 reviews
Check prices

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Icelandair
7.0
Good
672 reviews
Scandinavian Airlines
7.4
Good
1,815 reviews
Check prices

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Copenhagen?

    To fly from Seattle to Copenhagen, you need to book a flight from Seattle/Tacoma Intl (SEA) to Kastrup Copenhagen (CPH). Nonstop flights to Kastrup Copenhagen from Seattle/Tacoma Intl take 9h 15m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Seattle/Tacoma Intl to Kastrup Copenhagen offered by 2 different airlines.

  • How popular is this Seattle to Copenhagen flight route?

    The Seattle/Tacoma Intl to Kastrup Copenhagen flight path was viewed by 38 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Copenhagen?

    For as low as C$ 880, United Airlines can have you in Copenhagen from Seattle in 18h 25m. There are 7805 km between Seattle and Copenhagen. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Copenhagen round-trip?

    Flying on Icelandair is currently your cheapest option to Copenhagen, with prices starting at C$ 637. Another option worth looking into is Scandinavian Airlines, starting at C$ 669 round trip. These flights start at 25% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Seattle to Copenhagen?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Copenhagen on time: Air France (83%), Scandinavian Airlines (83%), Delta (83%).

  • What are the cheapest flights from Seattle to Copenhagen?

    While on average a flight from Seattle to Copenhagen is generally C$ 1,148, our data shows the cheapest flight currently is C$ 850. When looking at the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen), you can expect to pay C$ 966 for that flight.

  • Can I find deals for flights from Seattle to Copenhagen that include hotel bookings?

    Yes. In addition to deals on Seattle to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Copenhagen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Copenhagen.

  • Can I find deals for business class flights from Seattle to Copenhagen?

    Yes. Cheapflights offers flight deals from Seattle to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Copenhagen?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of C$ 623). Flying from Seattle to Copenhagen in December is currently the most expensive (average of C$ 1,138). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Seattle to Copenhagen

Discover the top 2 airlines that operate flights from Seattle to Copenhagen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 637AverageC$ 708FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapestC$ 669AverageC$ 795FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Copenhagen?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Copenhagen. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Copenhagen?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Copenhagen.

Can Cheapflights find flights from Seattle to Copenhagen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Copenhagen flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Copenhagen become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Copenhagen flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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