$398+ Cheap flights from Copenhagen (CPH) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Oct 12 — Oct 191
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 January, booked 87 days in advance, depart on a Tuesday 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 September 12, 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 September 12, 2026.
This Travelis deal was found by Cheapflights users on 9/9. 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 10/62:00 pm -
1 stop12h 55m
Thu 10/227:00 pm -
1 stop17h 45m
Deal found 9/9![Icelandair logo]()
$570
This Travelis deal was found by Cheapflights users on 9/11. 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.
Fri 10/24:55 pm -
1 stop12h 45m
Fri 10/237:00 pm -
1 stop17h 45m
Deal found 9/11![Icelandair logo]()
$573
This Sembo deal was found by Cheapflights users on 9/11. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:55 pm -
1 stop12h 45m
Mon 10/57:00 pm -
1 stop17h 45m
Deal found 9/11![Icelandair logo]()
$594
This Gotogate deal was found by Cheapflights users on 9/9. 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.
Fri 10/24:55 pm -
1 stop12h 45m
Fri 10/97:00 pm -
1 stop17h 45m
Deal found 9/9![Icelandair logo]()
$603
This Gotogate deal was found by Cheapflights users on 9/7. 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 10/212:00 pm -
1 stop12h 55m
Wed 10/283:35 pm -
1 stop16h 25m
Deal found 9/7![Icelandair logo]()
$604
This Ticket deal was found by Cheapflights users on 9/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:20 pm -
1 stop14h 28m
Tue 9/297:15 am -
1 stop14h 30m
Deal found 9/8![Multiple Airlines logo]()
$607
This Flightnetwork deal was found by Cheapflights users on 9/11. 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.
Fri 10/21:05 pm -
Nonstop9h 40m
Fri 10/237:00 pm -
1 stop17h 45m
Deal found 9/11![Multiple Airlines logo]()
$608
This Ticket deal was found by Cheapflights users on 9/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:20 pm -
1 stop14h 28m
Fri 10/91:45 pm -
1 stop12h 15m
Deal found 9/8![Multiple Airlines logo]()
$618
This Travelis deal was found by Cheapflights users on 9/7. 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.
Wed 9/239:25 am -
1 stop16h 10m
Sun 9/271:30 pm -
1 stop12h 55m
Deal found 9/7![Multiple Airlines logo]()
$620
This Sembo deal was found by Cheapflights users on 9/12. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:00 pm -
1 stop15h 40m
Tue 10/207:00 pm -
1 stop17h 45m
Deal found 9/12![Icelandair logo]()
$621
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 September 12, 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 September 12, 2026.
This British Airways deal was found by Cheapflights users on 9/11. 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.
Wed 10/218:15 pm -
1 stop24h 20m
Sun 10/252:26 pm -
2 stops23h 29m
Deal found 9/11![British Airways logo]()
$649
This Virgin Atlantic deal was found by Cheapflights users on 9/8. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:00 am -
1 stop20h 21m
Sat 10/310:40 pm -
1 stop23h 05m
Deal found 9/8![Virgin Atlantic logo]()
$649
This Delta deal was found by Cheapflights users on 9/7. 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.
Fri 9/259:00 am -
1 stop20h 21m
Fri 10/91:45 pm -
1 stop12h 15m
Deal found 9/7![Delta logo]()
$662
This Icelandair deal was found by Cheapflights users on 9/9. 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 10/82:00 pm -
1 stop15h 40m
Fri 10/237:00 pm -
1 stop17h 45m
Deal found 9/9![Icelandair logo]()
$701
This British Airways deal was found by Cheapflights users on 9/7. 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 10/204:30 pm -
1 stop28h 05m
Sat 10/246:12 am -
2 stops20h 38m
Deal found 9/7![British Airways logo]()
$650
This British Airways deal was found by Cheapflights users on 9/9. 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.
Mon 10/56:20 pm -
1 stop26h 15m
Fri 10/233:14 pm -
2 stops23h 11m
Deal found 9/9![British Airways logo]()
$732
This British Airways deal was found by Cheapflights users on 9/9. 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.
Mon 10/59:45 pm -
1 stop22h 50m
Thu 10/2210:31 am -
2 stops24h 59m
Deal found 9/9![British Airways logo]()
$732
Last-minute flights from Copenhagen to SeattleDiscover last-minute flight deals from Copenhagen to Seattle. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to Seattle. Data last updated September 12, 2026 and is based on user searches.
This Travelis deal was found by Cheapflights users on 9/7. 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.
Wed 9/239:25 am -
1 stop16h 10m
Sun 9/271:30 pm -
1 stop12h 55m
Deal found 9/7![Multiple Airlines logo]()
$620
This Ticket deal was found by Cheapflights users on 9/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:20 pm -
1 stop14h 28m
Tue 9/297:15 am -
1 stop14h 30m
Deal found 9/8![Multiple Airlines logo]()
$607
This Ticket deal was found by Cheapflights users on 9/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:20 pm -
1 stop14h 28m
Fri 10/91:45 pm -
1 stop12h 15m
Deal found 9/8![Multiple Airlines logo]()
$618
This Sembo deal was found by Cheapflights users on 9/12. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:00 pm -
1 stop15h 40m
Tue 10/207:00 pm -
1 stop17h 45m
Deal found 9/12![Icelandair logo]()
$621
This Sembo deal was found by Cheapflights users on 9/11. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:55 pm -
1 stop12h 45m
Mon 10/57:00 pm -
1 stop17h 45m
Deal found 9/11![Icelandair logo]()
$594
This Travelis deal was found by Cheapflights users on 9/11. 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.
Fri 10/24:55 pm -
1 stop12h 45m
Fri 10/237:00 pm -
1 stop17h 45m
Deal found 9/11![Icelandair logo]()
$573
This Gotogate deal was found by Cheapflights users on 9/9. 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.
Fri 10/24:55 pm -
1 stop12h 45m
Fri 10/97:00 pm -
1 stop17h 45m
Deal found 9/9![Icelandair logo]()
$603
This Flightnetwork deal was found by Cheapflights users on 9/11. 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.
Fri 10/21:05 pm -
Nonstop9h 40m
Fri 10/237:00 pm -
1 stop17h 45m
Deal found 9/11![Multiple Airlines logo]()
$608
This Travelis deal was found by Cheapflights users on 9/9. 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 10/62:00 pm -
1 stop12h 55m
Thu 10/227:00 pm -
1 stop17h 45m
Deal found 9/9![Icelandair logo]()
$570
This Gotogate deal was found by Cheapflights users on 9/7. 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 10/212:00 pm -
1 stop12h 55m
Wed 10/283:35 pm -
1 stop16h 25m
Deal found 9/7![Icelandair logo]()
$604
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 September 12, 2026.
Search for one-way flight options from Copenhagen to Seattle. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Ticket deal was found by Cheapflights users on 9/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:05 pm -
Nonstop9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Scandinavian Airlines logo]()
$398
This Expedia deal was found by Cheapflights users on 9/12. 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.
Tue 11/176:20 am -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$435
This Expedia deal was found by Cheapflights users on 9/7. 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.
Mon 2/226:45 am -
1 stop19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 11/146:00 am -
1 stop14h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$443
This KLM deal was found by Cheapflights users on 9/11. 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.
Mon 11/27:20 pm -
1 stop25h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![KLM logo]()
$444
This KLM deal was found by Cheapflights users on 9/11. 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.
Mon 2/227:20 pm -
1 stop25h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![KLM logo]()
$446
This Finnair deal was found by Cheapflights users on 9/9. 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.
Sat 11/712:20 pm -
1 stop13h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/306:00 am -
2 stops22h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$449
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:15 am -
1 stop34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$456
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:35 am -
1 stop15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![British Airways logo]()
$458
This Delta deal was found by Cheapflights users on 9/12. 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.
Mon 11/166:00 am -
2 stops19h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$460
This British Airways deal was found by Cheapflights users on 9/9. 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.
Sat 11/712:20 pm -
2 stops21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$464
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $570 (Travelis) |
One-way from | $398 (Ticket) |
Popular in | July |
Cheapest in | November |
Average price | $702 |
Good round-trip deal | $1,021 or less |
Good one-way deal | $843 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 7,457,451 searches. Data last updated September 12, 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 Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Tue 11/17
6:20 am-11:25 am
1 stop14h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$435
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Mon 2/22
6:45 am-4:50 pm
1 stop19h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$436
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Sat 11/14
6:00 am-11:47 am
1 stop14h 47m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$443
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Wed 11/18
6:00 am-11:47 am
1 stop14h 47m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$443
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Mon 11/2
7:20 pm-11:47 am
1 stop25h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$444
Quickest round-trip
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Sat 11/7
12:20 pm-4:50 pm
1 stop13h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$448
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Fri 11/20
6:00 am-6:41 pm
2 stops21h 41m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$448
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Sat 11/7
9:55 am-10:05 pm
2 stops21h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$449
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Sun 11/15
9:45 am-10:55 pm
2 stops22h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$465
CopenhagenSeattle
CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl
CPHSEA
Kastrup Copenhagen
Mon 11/2
6:00 am-7:05 pm
2 stops22h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$466
Showing 1-10 of 19 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 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?
Booking 86 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, November is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of $559). Flying from Copenhagen to Seattle in July is currently the most expensive (average of $984). 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 CPH to SEA?
Find hourly flight availability from Copenhagen to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Copenhagen to Seattle as you normally would.
How often are flights from Copenhagen to Seattle delayed?
About 14% of weekly flights between Copenhagen and Seattle have experienced delays in the past year, with the average delay time being 123 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 Wednesday 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 14% 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 September 12, 2026.
Read reviews from past customers who have flown Delta,Scandinavian Airlines, andUnited 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.
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Copenhagen and Seattle flights
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Top 4 airlines flying from Copenhagen to Seattle
Discover the top 4 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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$478 | Average$602 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$839 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$592 | Average$721 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$738 | Average$1,096 | FlexibilityNo cancel fee | On-time77% |