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Cheap flights from Seattle to Copenhagen from C$ 502

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 January 2026.

Round-trip from

C$ 678

One-way from

C$ 502

Popular in

June

Cheapest in

October

Average price

C$ 743

Good round-trip deal

C$ 674 or less
Icelandair
  • Icelandair
  • 8/4-23/5
  • 2 total stops
  • 25h 20m total
  • Seattle to Copenhagen
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Icelandair
  • Icelandair
  • 24/3
  • 1 total stop
  • 20h 45m total
  • Seattle to Copenhagen
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 136 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Kastrup Copenhagen.
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Find 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 9 January 2026.

Thu 9/47:00 p.m.SEA - CPH
1 stop11h 55mIcelandair
Tue 26/54:55 p.m.CPH - SEA
1 stop12h 45mIcelandair
Deal found 8/1C$ 678
Wed 11/115:45 p.m.SEA - CPH
2 stops32h 30mBritish Airways
Wed 18/118:05 p.m.CPH - SEA
1 stop29h 50mBritish Airways
Deal found 8/1C$ 682
Wed 25/34:10 p.m.SEA - CPH
1 stop22h 55mUnited Airlines
Wed 1/412:45 p.m.CPH - SEA
2 stops39h 15mUnited Airlines
Deal found 8/1C$ 684
Wed 19/86:50 p.m.SEA - CPH
1 stop19h 40mUnited Airlines
Wed 2/912:25 p.m.CPH - SEA
2 stops36h 29mUnited Airlines
Deal found 8/1C$ 688
Wed 11/115:45 p.m.SEA - CPH
2 stops31h 00mBritish Airways
Mon 16/118:55 a.m.CPH - SEA
2 stops35h 35mBritish Airways
Deal found 8/1C$ 695
Fri 24/46:50 p.m.SEA - CPH
1 stop14h 50mUnited Airlines
Wed 29/412:45 p.m.CPH - SEA
2 stops36h 08mUnited Airlines
Deal found 9/1C$ 696
Mon 30/38:20 p.m.SEA - CPH
1 stop17h 55mBritish Airways
Mon 6/49:45 p.m.CPH - SEA
2 stops34h 02mBritish Airways
Deal found 8/1C$ 697
Wed 18/35:40 p.m.SEA - CPH
1 stop18h 10mDelta
Tue 31/39:00 a.m.CPH - SEA
1 stop19h 48mDelta
Deal found 6/1C$ 699
Thu 26/35:40 p.m.SEA - CPH
1 stop18h 10mDelta
Tue 7/49:00 a.m.CPH - SEA
1 stop22h 24mDelta
Deal found 9/1C$ 704
Thu 9/48:00 a.m.SEA - CPH
1 stop17h 50mUnited Airlines
Thu 28/512:45 p.m.CPH - SEA
2 stops39h 14mUnited Airlines
Deal found 8/1C$ 709

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 9 January 2026.
Use the filters below to find and compare flights from Seattle to Copenhagen that are best for you.

Fly from

Seattle

Fly to

Copenhagen

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 8/4

7:00 p.m.-3:55 p.m.

1 stop11h 55m

Kastrup Copenhagen

Sat 23/5

7:20 a.m.-11:45 a.m.

1 stop13h 25m

C$ 678

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Fri 24/4

6:50 p.m.-6:40 p.m.

1 stop14h 50m

Kastrup Copenhagen

Wed 29/4

12:45 p.m.-3:53 p.m.

2 stops36h 08m

C$ 696

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 18/3

5:40 p.m.-7:50 p.m.

1 stop18h 10m

Kastrup Copenhagen

Tue 31/3

9:00 a.m.-7:48 p.m.

1 stop19h 48m

C$ 699

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 18/3

5:40 p.m.-7:50 p.m.

1 stop18h 10m

Kastrup Copenhagen

Mon 30/3

9:00 a.m.-7:48 p.m.

1 stop19h 48m

C$ 704

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 30/3

6:40 p.m.-6:45 p.m.

1 stop15h 05m

Kastrup Copenhagen

Mon 6/4

9:00 a.m.-10:24 p.m.

1 stop22h 24m

C$ 704

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 20/1

12:35 p.m.-5:35 p.m.

2 stops44h 00m

Kastrup Copenhagen

Fri 23/1

6:50 a.m.-10:43 p.m.

3 stops24h 53m

C$ 716

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 20/4

8:00 a.m.-10:50 a.m.

1 stop17h 50m

Kastrup Copenhagen

Fri 12/6

12:25 p.m.-7:37 p.m.

1 stop16h 12m

C$ 720

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 13/4

8:20 p.m.-9:25 a.m.

1 stop28h 05m

Kastrup Copenhagen

Thu 11/6

7:05 a.m.-11:35 a.m.

1 stop13h 30m

C$ 724

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 14/4

8:20 p.m.-11:10 p.m.

1 stop17h 50m

Kastrup Copenhagen

Wed 10/6

8:15 p.m.-11:35 a.m.

1 stop24h 20m

C$ 724

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 20/4

1:35 p.m.-8:50 p.m.

1 stop22h 15m

Kastrup Copenhagen

Thu 11/6

7:05 a.m.-11:35 a.m.

1 stop13h 30m

C$ 724

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 19 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Copenhagen. Price data was last updated on 2 January 2026.

The best time to book flights from Seattle to Copenhagen is 78 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, November is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of C$ 319). Flying from Seattle to Copenhagen in June is currently the most expensive (average of C$ 750). 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.

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 9 January 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
7.3
Good
1,637 reviews
Check prices

Crew

8.0

Entertainment

6.6

Overall

7.3

Food

6.6

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Scandinavian Airlines
7.3
Good
1,637 reviews
Scandinavian Airlines
7.3
Good
1,637 reviews
Check prices

Crew

8.0

Entertainment

6.6

Overall

7.3

Food

6.6

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Icelandair
7.1
Good
593 reviews
Scandinavian Airlines
7.3
Good
1,637 reviews
Check prices

Crew

8.0

Entertainment

6.6

Overall

7.3

Food

6.6

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that

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.

  • How popular is this Seattle to Copenhagen flight route?

    The Seattle/Tacoma Intl to Kastrup Copenhagen flight path was viewed by 58 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$ 678, Icelandair can have you in Copenhagen from Seattle in 11h 55m. 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$ 634. Another option worth looking into is Scandinavian Airlines, starting at C$ 641 round trip. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest flights from Seattle to Copenhagen?

    While on average a flight from Seattle to Copenhagen is generally C$ 790, our data shows the cheapest flight currently is C$ 479. When looking at the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen), you can expect to pay C$ 734 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, November is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of C$ 319). Flying from Seattle to Copenhagen in June is currently the most expensive (average of C$ 750). 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 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 634AverageC$ 767FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapestC$ 641AverageC$ 783FlexibilityNo 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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