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$278+ Cheap flights from Seattle (SEA) to Copenhagen (CPH)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Kastrup Copenhagen are usually found in November or February, booked 36 days in advance, depart on a Tuesday or Monday and return on a Monday

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 enero 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$440
(Mytrip)

One-way from

$307
(oojo)

Popular in

June

Cheapest in

November

Average price

$589
Provider with most accurate pricing for Seattle/Tacoma Intl-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kastrup Copenhagen flights.
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From Seattle/Tacoma Intl to Kastrup Copenhagen
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One-way flight from Seattle/Tacoma Intl to Kastrup Copenhagen
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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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 enero 17, 2025.

This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/182:35 pmSEA - CPH
1 stop20h 15mIcelandair
mar. 2/2512:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 1/16$440
This Flightnetwork deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/181:35 pmSEA - CPH
2 stops17h 40mFinnair
mar. 2/2512:25 pmCPH - SEA
2 stops19h 59mFinnair
Deal found 1/16$517
This Finnair deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/176:50 pmSEA - CPH
2 stops20h 05mMultiple Airlines
mar. 2/256:20 amCPH - SEA
1 stop14h 00mMultiple Airlines
Deal found 1/15$542
This Gotogate deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:50 pmSEA - CPH
1 stop15h 15mBritish Airways
mié. 2/196:50 amCPH - SEA
1 stop19h 05mBritish Airways
Deal found 1/15$543
This Gotogate deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/27:05 pmSEA - CPH
2 stops54h 00mAir Canada
lun. 3/172:15 pmCPH - SEA
2 stops39h 45mAir Canada
Deal found 1/16$552
This United deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/34:58 pmSEA - CPH
3 stops32h 07mUnited Airlines
mié. 3/1211:15 amCPH - SEA
2 stops43h 38mUnited Airlines
Deal found 1/16$555
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/189:55 amSEA - CPH
2 stops19h 45mDelta
jue. 2/276:00 amCPH - SEA
1 stop14h 46mDelta
Deal found 1/15$562
This KLM deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/162:09 pmSEA - CPH
1 stop23h 21mKLM
jue. 2/275:35 pmCPH - SEA
1 stop27h 11mKLM
Deal found 1/15$563
This Justfly.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/192:00 pmSEA - CPH
1 stop13h 15mLufthansa
jue. 2/277:05 amCPH - SEA
1 stop14h 05mLufthansa
Deal found 1/16$611
This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/210:24 amSEA - CPH
2 stops18h 56mAmerican Airlines
dom. 3/98:40 amCPH - SEA
2 stops20h 30mAmerican Airlines
Deal found 1/16$619

Find flights from Seattle to Copenhagen within your budget

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 2,558,603 searches. Data last updated enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 2/18

2:35 pm-7:50 pm

1 stop20h 15m

Kastrup Copenhagen

mar. 2/25

12:55 pm-5:00 pm

1 stop13h 05m

$440

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 2/18

1:35 pm-4:50 pm

1 stop18h 15m

Kastrup Copenhagen

mar. 2/25

12:25 pm-11:24 pm

2 stops19h 59m

$517

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 2/17

6:50 pm-11:55 pm

2 stops20h 05m

Kastrup Copenhagen

mar. 2/25

6:20 am-11:20 am

1 stop14h 00m

$542

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 2/3

6:50 pm-7:05 pm

1 stop15h 15m

Kastrup Copenhagen

mié. 2/19

6:50 am-4:55 pm

1 stop19h 05m

$543

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 3/2

7:05 pm-10:05 am

2 stops54h 00m

Kastrup Copenhagen

lun. 3/17

2:15 pm-10:00 pm

2 stops39h 45m

$552

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 3/3

4:58 pm-10:05 am

3 stops32h 07m

Kastrup Copenhagen

mié. 3/12

11:15 am-10:53 pm

2 stops43h 38m

$555

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 2/18

9:55 am-2:40 pm

2 stops19h 45m

Kastrup Copenhagen

jue. 2/27

6:00 am-11:46 am

1 stop14h 46m

$562

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 2/19

2:00 pm-12:15 pm

1 stop13h 15m

Kastrup Copenhagen

jue. 2/27

7:05 am-12:10 pm

1 stop14h 05m

$611

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

jue. 3/20

3:15 pm-4:15 pm

1 stop17h 00m

Kastrup Copenhagen

lun. 3/24

3:20 pm-12:40 pm

1 stop29h 20m

$613

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 3/2

10:24 am-2:20 pm

2 stops18h 56m

Kastrup Copenhagen

dom. 3/9

8:40 am-8:10 pm

2 stops20h 30m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 23 results
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Compare providers for flights from Seattle to Copenhagen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Copenhagen in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Copenhagen flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Copenhagen flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Copenhagen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Copenhagen flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Seattle to Copenhagen

Get recent, data-driven insights about flights from Seattle to Copenhagen including ideal travel times, pricing trends, and more.

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 January 10, 2025.

The price you pay for your flight from Seattle to Copenhagen may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $523). Flying from Seattle to Copenhagen in June is currently the most expensive (average of $1,003). 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 enero 17, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Seattle to Copenhagen by exploring options for tickets in the evening.

What is the cheapest day to fly from Seattle to Copenhagen?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Copenhagen. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Copenhagen flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 enero 17, 2025.
Read reviews from past customers who have flown Icelandair and Delta from Seattle to Copenhagen. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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?

    Within the past month, 1 users have taken a look at flights from Seattle/Tacoma Intl to Kastrup Copenhagen.

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

    Icelandair, at $440, was found to be the cheapest airline from Seattle to Copenhagen.Alternate airlines to your destination round-trip include Finnair and British Airways. Icelandair is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $307 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $327 and British Airways from $406 one-way.

  • What are the cheapest flights from Seattle to Copenhagen?

    On average you can expect to pay $1,515 for a flight from Seattle to Copenhagen. The cheapest flight overall is $276 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $422.

  • Where are the most common layover locations when flying from Seattle to Copenhagen?

    The most popular layover on flights from Seattle to Copenhagen is Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    If you're on a layover in Reykjavik and looking for things to do, consider visiting Hallgrímskirkja, Harpa, or Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those landing in Reykjavik looking to spend some time exploring during their layover can rent a car for about $51 per day.

  • Where are the least popular layover locations for Seattle to Copenhagen flights?

    Seattle to Copenhagen flights have a layover in London the least frequently.

  • 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 $523). Flying from Seattle to Copenhagen in June is currently the most expensive (average of $1,003). 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.

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Top 10 airlines flying from Seattle to Copenhagen

Discover the top 10 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 2,558,603 searches. Data last updated enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$414Average$592FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$435Average$809FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$492Average$725FlexibilityNo cancel feeOn-time71%
FinnairCheapest$504Average$850FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$513Average$705FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$521Average$747FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$769FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$541Average$636FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$553Average$845FlexibilityNo cancel feeOn-time76%
DeltaCheapest$560Average$891FlexibilityNo cancel feeOn-timeN/A
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