$286+ Cheap flights from Copenhagen (CPH) to Seattle (SEA)
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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Find cheap flights from Copenhagen to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Kastrup Copenhagen to Seattle/Tacoma Intl are usually found in November or October, booked 66 days in advance, depart on a Thursday or Monday and return on a Monday
Cheap flight deals from Copenhagen to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Copenhagen to SeattleExplore the most affordable flight options available from Copenhagen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
Explore the most affordable flight options available from Copenhagen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
This Flysmarter deal was found by Cheapflights users on 3/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:20 am
CPH
- SEA
1 stop13h 25m
Icelandair
Tue 6/211:25 pm
SEA
- CPH
1 stop13h 20m
Icelandair
Deal found 3/17![Icelandair logo]()
$526
This Gotogate deal was found by Cheapflights users on 3/15. 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.
Wed 6/174:55 pm
CPH
- SEA
1 stop12h 45m
Icelandair
Wed 6/2411:25 pm
SEA
- CPH
1 stop13h 20m
Icelandair
Deal found 3/15![Icelandair logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:35 pm
CPH
- SEA
2 stops51h 44m
Multiple Airlines
Sat 4/187:00 pm
SEA
- CPH
1 stop11h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$530
This Scandinavian Airlines deal was found by Cheapflights users on 3/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Sun 5/243:55 pm
SEA
- CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 3/17![Scandinavian Airlines logo]()
$536
This flugladen.de deal was found by Cheapflights users on 3/17. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Tue 6/23:55 pm
SEA
- CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 3/17![Scandinavian Airlines logo]()
$540
This Booking.com deal was found by Cheapflights users on 3/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:20 am
CPH
- SEA
1 stop13h 25m
Icelandair
Mon 9/147:00 pm
SEA
- CPH
1 stop17h 45m
Icelandair
Deal found 3/17![Icelandair logo]()
$542
This Booking.com deal was found by Cheapflights users on 3/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:20 am
CPH
- SEA
1 stop22h 20m
Icelandair
Sun 9/137:00 pm
SEA
- CPH
1 stop32h 55m
Icelandair
Deal found 3/17![Icelandair logo]()
$543
This Flysmarter deal was found by Cheapflights users on 3/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:50 pm
CPH
- SEA
1 stop24h 45m
British Airways
Tue 11/311:42 am
SEA
- CPH
2 stops16h 33m
British Airways
Deal found 3/15![British Airways logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:55 pm
CPH
- SEA
1 stop12h 45m
Icelandair
Mon 6/111:25 pm
SEA
- CPH
1 stop13h 20m
Icelandair
Deal found 3/17![Icelandair logo]()
$547
This Icelandair deal was found by Cheapflights users on 3/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:55 pm
CPH
- SEA
1 stop12h 45m
Icelandair
Wed 10/147:00 pm
SEA
- CPH
1 stop17h 45m
Icelandair
Deal found 3/14![Icelandair logo]()
$550
This Icelandair deal was found by Cheapflights users on 3/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:35 pm
CPH
- SEA
1 stop31h 05m
Icelandair
Mon 10/197:00 pm
SEA
- CPH
1 stop17h 45m
Icelandair
Deal found 3/14![Icelandair logo]()
$552
Best flights from Copenhagen to SeattleDiscover carefully curated flight deals from Copenhagen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
Discover carefully curated flight deals from Copenhagen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Sun 4/57:00 am
CPH
- SEA
2 stops23h 16m
Multiple Airlines
Sat 4/188:20 pm
SEA
- CPH
1 stop18h 05m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:50 am
CPH
- SEA
1 stop13h 40m
Delta
Wed 4/298:50 am
SEA
- CPH
2 stops17h 15m
Delta
Deal found 3/16![Delta logo]()
$586
This United Airlines deal was found by Cheapflights users on 3/14. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:20 am
CPH
- SEA
1 stop15h 00m
United Airlines
Sat 4/182:10 pm
SEA
- CPH
1 stop19h 05m
United Airlines
Deal found 3/14![United Airlines logo]()
$672
This British Airways deal was found by Cheapflights users on 3/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:50 am
CPH
- SEA
1 stop16h 10m
British Airways
Fri 7/241:30 pm
SEA
- CPH
1 stop24h 55m
British Airways
Deal found 3/13![British Airways logo]()
$867
This Delta deal was found by Cheapflights users on 3/15. 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.
Thu 4/306:00 am
CPH
- SEA
2 stops19h 40m
Delta
Thu 5/710:35 am
SEA
- CPH
2 stops15h 30m
Delta
Deal found 3/15![Delta logo]()
$600
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:50 am
CPH
- SEA
2 stops24h 49m
United Airlines
Thu 7/25:00 am
SEA
- CPH
2 stops18h 55m
United Airlines
Deal found 3/15![United Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 3/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:45 pm
CPH
- SEA
1 stop17h 22m
United Airlines
Mon 8/108:00 am
SEA
- CPH
1 stop17h 50m
United Airlines
Deal found 3/13![United Airlines logo]()
$746
Last-minute flights from Copenhagen to SeattleDiscover last-minute flight deals from Copenhagen to Seattle. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to Seattle. Data last updated March 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:00 am
CPH
- SEA
2 stops25h 09m
Multiple Airlines
Sat 4/181:30 pm
SEA
- CPH
1 stop12h 35m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$577
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 4/57:00 am
CPH
- SEA
2 stops19h 52m
American Airlines
Sat 4/181:19 pm
SEA
- CPH
2 stops19h 36m
American Airlines
Deal found 3/16![American Airlines logo]()
$596
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:45 am
CPH
- SEA
1 stop13h 45m
KLM
Sat 4/1810:40 pm
SEA
- CPH
2 stops24h 50m
KLM
Deal found 3/16![KLM logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:35 pm
CPH
- SEA
2 stops51h 44m
Multiple Airlines
Sat 4/187:00 pm
SEA
- CPH
1 stop11h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 4/168:50 am
CPH
- SEA
2 stops19h 46m
American Airlines
Wed 4/293:17 pm
SEA
- CPH
2 stops19h 43m
American Airlines
Deal found 3/16![American Airlines logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:30 pm
CPH
- SEA
2 stops39h 15m
Multiple Airlines
Mon 5/43:40 pm
SEA
- CPH
1 stop12h 15m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
CPH
- SEA
2 stops19h 40m
Delta
Thu 5/710:35 am
SEA
- CPH
2 stops15h 30m
Delta
Deal found 3/16![Delta logo]()
$600
One-way flights from Copenhagen to SeattleSearch for one-way flight options from Copenhagen to Seattle. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
Search for one-way flight options from Copenhagen to Seattle. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Travelis deal was found by Cheapflights users on 3/14. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:25 pm
CPH
- SEA
2 stops19h 13m
Finnair
Deal found 3/14![Finnair logo]()
$286
This Travelis deal was found by Cheapflights users on 3/14. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:25 pm
CPH
- SEA
1 stop12h 35m
Finnair
Deal found 3/14![Finnair logo]()
$296
This Booking.com deal was found by Cheapflights users on 3/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:50 am
CPH
- SEA
1 stop16h 10m
British Airways
Deal found 3/13![British Airways logo]()
$325
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:50 am
CPH
- SEA
1 stop16h 10m
British Airways
Deal found 3/17![British Airways logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 6/512:25 pm
CPH
- SEA
1 stop12h 35m
American Airlines
Deal found 3/16![American Airlines logo]()
$336
This Priceline deal was found by Cheapflights users on 3/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:25 pm
CPH
- SEA
2 stops19h 13m
Finnair
Deal found 3/17![Finnair logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:20 pm
CPH
- SEA
3 stops46h 05m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$339
This Finnair deal was found by Cheapflights users on 3/15. 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.
Mon 5/412:25 pm
CPH
- SEA
2 stops21h 11m
Finnair
Deal found 3/15![Finnair logo]()
$340
This Finnair deal was found by Cheapflights users on 3/14. 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.
Wed 5/67:20 am
CPH
- SEA
1 stop13h 15m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:25 pm
CPH
- SEA
2 stops21h 11m
American Airlines
Deal found 3/15![American Airlines logo]()
$346
This British Airways deal was found by Cheapflights users on 3/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:30 pm
CPH
- SEA
1 stop28h 05m
British Airways
Deal found 3/15![British Airways logo]()
$349
Find flight deals from Copenhagen to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Copenhagen (CPH) to Seattle (SEA). 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 March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $526 (Flysmarter) |
One-way from | $286 (Travelis) |
Popular in | July |
Cheapest in | November |
Average price | $662 |
Good one-way deal | $638 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Copenhagen to Seattle 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 March 18, 2026.
Use the filters below to find and compare flights from Copenhagen to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sun 4/5
7:00 am-9:16 pm
2 stops23h 16m
Seattle/Tacoma Intl
Sat 4/18
8:20 pm-11:25 pm
1 stop18h 05m
$585
Quickest round-trip
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Thu 4/16
11:50 am-4:30 pm
1 stop13h 40m
Seattle/Tacoma Intl
Wed 4/29
8:50 am-11:05 am
2 stops17h 15m
$586
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Thu 4/30
6:00 am-4:40 pm
2 stops19h 40m
Seattle/Tacoma Intl
Thu 5/7
10:35 am-11:05 am
2 stops15h 30m
$600
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sun 4/5
6:20 am-12:20 pm
1 stop15h 00m
Seattle/Tacoma Intl
Sat 4/18
2:10 pm-6:15 pm
1 stop19h 05m
$672
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sun 6/21
6:50 am-10:39 pm
2 stops24h 49m
Seattle/Tacoma Intl
Thu 7/2
5:00 am-8:55 am
2 stops18h 55m
$689
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 7/17
12:45 pm-9:07 pm
1 stop17h 22m
Seattle/Tacoma Intl
Mon 8/10
8:00 am-10:50 am
1 stop17h 50m
$746
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 7/3
8:50 am-4:00 pm
1 stop16h 10m
Seattle/Tacoma Intl
Fri 7/24
1:30 pm-11:25 pm
1 stop24h 55m
$867
Cheapest one-way
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Mon 5/4
12:25 pm-12:36 am
2 stops21h 11m
$340
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Wed 5/6
7:20 am-11:35 am
1 stop13h 15m
$345
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Tue 5/5
4:30 pm-11:35 am
1 stop28h 05m
$349
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Copenhagen to Seattle
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 Copenhagen to Seattle in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Copenhagen-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Copenhagen-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Copenhagen-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Copenhagen-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Copenhagen-Seattle 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 Copenhagen to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Copenhagen with our price prediction graph.
CPH-SEA
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 Copenhagen to Seattle
Prices
Delays
How far ahead should I book a flight from Copenhagen to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Copenhagen to Seattle. Price data was last updated on March 13, 2026.
Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Copenhagen to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Copenhagen to Seattle?
Currently, September is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of $452). Flying from Copenhagen to Seattle in July is currently the most expensive (average of $622). 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.
How often are flights from Copenhagen to Seattle delayed?
About 11% of weekly flights between Copenhagen and Seattle have experienced delays in the past year, with the average delay time being 127 minutes.
What is the most punctual flight time for Copenhagen to Seattle flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Copenhagen to Seattle flights?
Over the last year, Scandinavian Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
The best insider tips for Copenhagen to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Copenhagen to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 18, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andScandinavian Airlines from Copenhagen to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Copenhagen to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Copenhagen and Seattle flights
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Top 6 airlines flying from Copenhagen to Seattle
Discover the top 6 airlines that operate flights from Copenhagen to Seattle. 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$402 | Average$569 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$470 | Average$622 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$471 | Average$556 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$498 | Average$715 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$567 | Average$687 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$600 | Average$856 | FlexibilityNo cancel fee | On-time77% |