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Cheap flights from Seattle to Copenhagen from C$ 566

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

C$ 776

One-way from

C$ 566

Popular in

June

Cheapest in

February

Average price

C$ 831

Good round-trip deal

C$ 842 or less
Icelandair
  • Icelandair
  • 27/8-11/9
  • 2 total stops
  • 26h 10m total
  • Seattle to Copenhagen
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Icelandair
  • Icelandair
  • 13/6
  • 1 total stop
  • 13h 15m total
  • Seattle to Copenhagen
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Highest demand for flights based on searches. 13% potential increase in price (C$ 192 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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

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 17 April 2025.

Wed 27/811:30 p.m.SEA - CPH
1 stop13h 15mIcelandair
Thu 11/94:45 p.m.CPH - SEA
1 stop12h 55mIcelandair
Deal found 17/4C$ 776
Wed 10/912:20 p.m.SEA - CPH
1 stop13h 30mUnited Airlines
Wed 24/912:20 p.m.CPH - SEA
2 stops41h 22mUnited Airlines
Deal found 16/4C$ 793
Sat 6/91:45 p.m.SEA - CPH
2 stops32h 25mLufthansa
Tue 16/126:00 a.m.CPH - SEA
1 stop16h 20mLufthansa
Deal found 17/4C$ 807
Sat 6/910:55 p.m.SEA - CPH
1 stop22h 35mDelta
Wed 10/126:00 a.m.CPH - SEA
2 stops25h 16mDelta
Deal found 17/4C$ 828
Wed 3/912:43 p.m.SEA - CPH
2 stops35h 12mSWISS
Tue 16/129:45 a.m.CPH - SEA
2 stops20h 09mSWISS
Deal found 17/4C$ 850
Sun 15/64:00 p.m.SEA - CPH
Nonstop9h 30mScandinavian Airlines
Wed 9/71:05 p.m.CPH - SEA
Nonstop9h 45mScandinavian Airlines
Deal found 17/4C$ 955
Fri 25/46:10 p.m.SEA - CPH
1 stop12h 55mKLM
Sun 4/56:10 p.m.CPH - SEA
1 stop26h 30mKLM
Deal found 17/4C$ 998
Thu 29/58:00 a.m.SEA - CPH
3 stops25h 25mMultiple Airlines
Tue 3/612:45 p.m.CPH - SEA
2 stops18h 28mMultiple Airlines
Deal found 17/4C$ 1,018

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 17 April 2025.
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 27/8

11:30 p.m.-9:45 p.m.

1 stop13h 15m

Kastrup Copenhagen

Thu 11/9

4:45 p.m.-8:40 p.m.

1 stop12h 55m

C$ 776

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 10/9

12:20 p.m.-10:50 a.m.

1 stop13h 30m

Kastrup Copenhagen

Wed 24/9

12:20 p.m.-8:42 p.m.

2 stops41h 22m

C$ 793

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 6/9

1:45 p.m.-7:10 a.m.

2 stops32h 25m

Kastrup Copenhagen

Fri 12/12

9:00 a.m.-1:20 p.m.

1 stop13h 20m

C$ 807

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 6/9

10:55 p.m.-6:30 a.m.

1 stop22h 35m

Kastrup Copenhagen

Wed 10/12

6:00 a.m.-10:16 p.m.

2 stops25h 16m

C$ 828

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/9

12:43 p.m.-8:55 a.m.

2 stops35h 12m

Kastrup Copenhagen

Tue 16/12

9:45 a.m.-8:54 p.m.

2 stops20h 09m

C$ 850

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 15/6

4:00 p.m.-10:30 a.m.

Nonstop9h 30m

Kastrup Copenhagen

Wed 9/7

1:05 p.m.-1:50 p.m.

Nonstop9h 45m

C$ 955

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 29/5

8:00 a.m.-6:25 p.m.

3 stops25h 25m

Kastrup Copenhagen

Tue 3/6

12:45 p.m.-10:13 p.m.

2 stops18h 28m

C$ 1,018

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Fri 13/6

11:30 p.m.-9:45 p.m.

1 stop13h 15m

C$ 566

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 10/9

7:05 a.m.-2:15 p.m.

3 stops22h 10m

C$ 636

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 10/9

12:40 a.m.-10:05 a.m.

1 stop24h 25m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 16 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 11 April 2025.

The best time to book flights from Seattle to Copenhagen is 36 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$ 591). Flying from Seattle to Copenhagen in July is currently the most expensive (average of C$ 871). 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 17 April 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 33% on flights from Seattle to Copenhagen by exploring options for tickets in the morning.

Rainfall in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Copenhagen ranges from 20.0 - 70.0 mm per month. August is typically the wettest month, when rainfall can reach 70.0 mm. February is typically the driest time to visit Copenhagen when rainfall is around 20.0 mm.

Temperature in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Copenhagen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 17 April 2025.
Peruse reviews from past customers who have flown with Delta, SWISS and United Airlines from Seattle to Copenhagen to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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$ 776. Additional round-trip tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at C$ 793 and C$ 807, respectively. These flights start at 13% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Copenhagen one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as C$ 566. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Seattle to Copenhagen for a low price.

  • What are the cheapest flights from Seattle to Copenhagen?

    While on average a flight from Seattle to Copenhagen is generally C$ 1,004, our data shows the cheapest flight currently is C$ 696. When looking at the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen), you can expect to pay C$ 815 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$ 591). Flying from Seattle to Copenhagen in July is currently the most expensive (average of C$ 871). 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

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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 598AverageC$ 766FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapestC$ 640AverageC$ 1,020FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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