Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Copenhagen from C$ 439

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
2 Apr — 9 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 28 March 2025.

Round-trip from

C$ 868

One-way from

C$ 439

Popular in

June

Cheapest in

February

Average price

C$ 860
Icelandair
  • Icelandair
  • 7/8-22/8
  • 2 total stops
  • 44h 10m total
  • Seattle to Copenhagen
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 6/4
  • 2 total stops
  • 31h 55m total
  • Seattle to Copenhagen
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 254 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 28 March 2025.

Sun 12/1010:50 p.m.SEA - CPH
2 stops27h 00mUnited Airlines
Thu 23/1012:25 p.m.CPH - SEA
2 stops39h 34mUnited Airlines
Deal found 28/3C$ 850
Thu 7/811:30 p.m.SEA - CPH
1 stop21h 50mIcelandair
Fri 22/87:20 a.m.CPH - SEA
1 stop22h 20mIcelandair
Deal found 28/3C$ 868
Wed 13/87:20 a.m.SEA - CPH
2 stops20h 50mDelta
Tue 26/89:00 a.m.CPH - SEA
1 stop22h 53mDelta
Deal found 28/3C$ 905
Tue 12/812:20 a.m.SEA - CPH
2 stops25h 30mMultiple Airlines
Thu 21/812:45 p.m.CPH - SEA
1 stop31h 25mMultiple Airlines
Deal found 26/3C$ 919
Sun 29/64:00 p.m.SEA - CPH
Nonstop9h 30mScandinavian Airlines
Thu 7/81:25 p.m.CPH - SEA
1 stop19h 43mScandinavian Airlines
Deal found 27/3C$ 940
Sun 6/75:40 p.m.SEA - CPH
1 stop13h 35mFinnair
Thu 7/87:30 a.m.CPH - SEA
1 stop17h 30mFinnair
Deal found 27/3C$ 942
Mon 5/57:30 a.m.SEA - CPH
2 stops18h 20mBritish Airways
Mon 2/64:35 p.m.CPH - SEA
1 stop27h 35mBritish Airways
Deal found 27/3C$ 943
Tue 12/82:50 p.m.SEA - CPH
2 stops23h 35mSWISS
Mon 25/83:05 p.m.CPH - SEA
2 stops38h 49mSWISS
Deal found 28/3C$ 966
Sun 11/56:50 p.m.SEA - CPH
1 stop12h 30mLufthansa
Mon 26/56:05 a.m.CPH - SEA
2 stops15h 20mLufthansa
Deal found 27/3C$ 1,069

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 28 March 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

Thu 7/8

11:30 p.m.-6:20 a.m.

1 stop21h 50m

Kastrup Copenhagen

Mon 25/8

10:35 p.m.-11:25 a.m.

1 stop21h 50m

C$ 868

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 13/8

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

1 stop13h 40m

Kastrup Copenhagen

Thu 21/8

12:45 p.m.-6:49 p.m.

2 stops39h 04m

C$ 895

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 13/8

7:20 a.m.-1:10 p.m.

2 stops20h 50m

Kastrup Copenhagen

Tue 26/8

9:00 a.m.-10:53 p.m.

1 stop22h 53m

C$ 905

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 12/8

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

2 stops25h 30m

Kastrup Copenhagen

Thu 21/8

12:45 p.m.-11:10 a.m.

1 stop31h 25m

C$ 919

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 29/6

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

Nonstop9h 30m

Kastrup Copenhagen

Thu 7/8

1:25 p.m.-12:08 a.m.

1 stop19h 43m

C$ 940

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 6/7

5:40 p.m.-4:15 p.m.

1 stop13h 35m

Kastrup Copenhagen

Thu 7/8

7:30 a.m.-4:00 p.m.

1 stop17h 30m

C$ 942

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 5/5

7:30 a.m.-10:50 a.m.

2 stops18h 20m

Kastrup Copenhagen

Mon 2/6

4:35 p.m.-11:10 a.m.

1 stop27h 35m

C$ 943

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 12/8

2:50 p.m.-11:25 p.m.

2 stops23h 35m

Kastrup Copenhagen

Mon 25/8

3:05 p.m.-8:54 p.m.

2 stops38h 49m

C$ 966

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 11/5

6:50 p.m.-4:20 p.m.

1 stop12h 30m

Kastrup Copenhagen

Mon 26/5

6:05 a.m.-12:25 p.m.

2 stops15h 20m

C$ 1,069

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 6/4

11:55 p.m.-4:50 p.m.

2 stops31h 55m

C$ 439

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 16 results
1
2

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 21 March 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 28 March 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 28 March 2025.
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
1,570 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
1,325 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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 5 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$ 868. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at C$ 895 and C$ 905, respectively. These flights start at 7% 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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as C$ 439. However, be on the lookout for offers from Icelandair and United Airlines, as they are both options that can get you from Seattle to Copenhagen for a low price.

  • 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

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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 617AverageC$ 790FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapestC$ 659AverageC$ 1,052FlexibilityNo cancel feeOn-time70%
Search British Airways 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.