$338+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Jun 13 — Jun 201
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 40 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 May 14, 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 May 14, 2026.
This Mytrip deal was found by Cheapflights users on 5/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:20 am
CPH
- SEA
1 stop22h 20m
Icelandair
Mon 6/811:25 pm
SEA
- CPH
1 stop21h 55m
Icelandair
Deal found 5/9![Icelandair logo]()
$599
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:20 pm
CPH
- SEA
1 stop16h 39m
American Airlines
Mon 9/283:12 pm
SEA
- CPH
2 stops16h 38m
American Airlines
Deal found 5/13![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 5/10. 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 5/293:20 pm
CPH
- SEA
1 stop29h 21m
American Airlines
Fri 6/125:40 pm
SEA
- CPH
1 stop16h 00m
American Airlines
Deal found 5/10![American Airlines logo]()
$623
This Icelandair deal was found by Cheapflights users on 5/9. 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.
Mon 10/122:00 pm
CPH
- SEA
1 stop12h 55m
Icelandair
Thu 10/157:00 pm
SEA
- CPH
1 stop17h 45m
Icelandair
Deal found 5/9![Icelandair logo]()
$626
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Tue 10/207:15 am
CPH
- SEA
2 stops27h 03m
American Airlines
Sat 10/246:23 am
SEA
- CPH
2 stops20h 27m
American Airlines
Deal found 5/10![American Airlines logo]()
$629
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:20 am
CPH
- SEA
2 stops22h 32m
American Airlines
Sun 9/273:12 pm
SEA
- CPH
2 stops17h 08m
American Airlines
Deal found 5/13![American Airlines logo]()
$632
This Travelis deal was found by Cheapflights users on 5/11. 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.
Sat 9/197:50 pm
CPH
- SEA
1 stop24h 45m
Multiple Airlines
Fri 10/21:30 pm
SEA
- CPH
2 stops20h 10m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
CPH
- SEA
2 stops21h 51m
American Airlines
Wed 9/236:24 am
SEA
- CPH
2 stops28h 36m
American Airlines
Deal found 5/11![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
CPH
- SEA
2 stops21h 49m
American Airlines
Fri 9/2511:38 pm
SEA
- CPH
2 stops31h 02m
American Airlines
Deal found 5/13![American Airlines logo]()
$637
This Icelandair deal was found by Cheapflights users on 5/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:55 pm
CPH
- SEA
1 stop12h 45m
Icelandair
Thu 9/247:00 pm
SEA
- CPH
1 stop11h 55m
Icelandair
Deal found 5/13![Icelandair logo]()
$640
This ResecentrumGruppen deal was found by Cheapflights users on 5/13. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:50 am
CPH
- SEA
2 stops18h 59m
Finnair
Mon 10/267:50 pm
SEA
- CPH
2 stops20h 05m
Finnair
Deal found 5/13![Finnair logo]()
$644
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 May 14, 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 May 14, 2026.
This British Airways deal was found by Cheapflights users on 5/13. 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.
Sun 9/67:00 am
CPH
- SEA
1 stop13h 35m
British Airways
Sat 10/38:20 pm
SEA
- CPH
1 stop15h 20m
British Airways
Deal found 5/13![British Airways logo]()
$670
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:45 am
CPH
- SEA
1 stop13h 50m
Delta
Mon 9/289:50 pm
SEA
- CPH
1 stop14h 45m
Delta
Deal found 5/13![Delta logo]()
$694
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/26:30 am
CPH
- SEA
2 stops25h 12m
United Airlines
Sun 10/410:30 am
SEA
- CPH
2 stops22h 35m
United Airlines
Deal found 5/13![United Airlines logo]()
$733
This Scandinavian Airlines deal was found by Cheapflights users on 5/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Sun 10/43:55 pm
SEA
- CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$827
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 am
CPH
- SEA
2 stops25h 22m
United Airlines
Fri 10/1610:40 pm
SEA
- CPH
2 stops25h 35m
United Airlines
Deal found 5/9![United Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
CPH
- SEA
1 stop19h 24m
Delta
Fri 6/197:15 am
SEA
- CPH
1 stop14h 30m
Delta
Deal found 5/13![Delta logo]()
$744
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:45 pm
CPH
- SEA
1 stop17h 22m
United Airlines
Fri 8/1411:00 pm
SEA
- CPH
2 stops25h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1912:45 pm
CPH
- SEA
1 stop17h 22m
United Airlines
Tue 7/77:30 am
SEA
- CPH
2 stops24h 50m
United Airlines
Deal found 5/12![United Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:45 pm
CPH
- SEA
1 stop17h 22m
United Airlines
Tue 7/77:00 am
SEA
- CPH
2 stops25h 20m
United Airlines
Deal found 5/12![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Sat 6/2712:45 pm
CPH
- SEA
1 stop17h 22m
United Airlines
Mon 7/137:30 am
SEA
- CPH
2 stops25h 35m
United Airlines
Deal found 5/10![United Airlines logo]()
$856
Last-minute flights from Copenhagen to SeattleDiscover last-minute flight deals from Copenhagen to Seattle. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to Seattle. Data last updated May 14, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 5/13. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:50 am
CPH
- SEA
2 stops21h 15m
Multiple Airlines
Sun 5/3110:45 am
SEA
- CPH
2 stops15h 50m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$798
This Ticket deal was found by Cheapflights users on 5/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:00 am
CPH
- SEA
1 stop20h 10m
Virgin Atlantic
Sat 6/64:35 pm
SEA
- CPH
1 stop34h 10m
Virgin Atlantic
Deal found 5/9![Virgin Atlantic logo]()
$655
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:20 pm
CPH
- SEA
1 stop29h 26m
American Airlines
Sat 6/610:35 pm
SEA
- CPH
1 stop28h 00m
American Airlines
Deal found 5/9![American Airlines logo]()
$683
This ResecentrumGruppen deal was found by Cheapflights users on 5/9. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Sat 6/63:55 pm
SEA
- CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 5/9![Scandinavian Airlines logo]()
$696
This ResecentrumGruppen deal was found by Cheapflights users on 5/9. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:20 am
CPH
- SEA
1 stop15h 00m
Multiple Airlines
Sat 6/610:45 am
SEA
- CPH
2 stops18h 25m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$724
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 May 14, 2026.
Search for one-way flight options from Copenhagen to Seattle. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Travelis deal was found by Cheapflights users on 5/9. 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.
Mon 9/78:50 am
CPH
- SEA
1 stop16h 10m
Finnair
Deal found 5/9![Finnair logo]()
$338
This Ticket deal was found by Cheapflights users on 5/13. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:50 am
CPH
- SEA
2 stops24h 09m
Finnair
Deal found 5/13![Finnair logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Wed 9/1611:35 am
CPH
- SEA
3 stops40h 10m
WestJet
Deal found 5/10![WestJet logo]()
$381
This Flysmarter deal was found by Cheapflights users on 5/13. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:50 am
CPH
- SEA
1 stop16h 10m
British Airways
Deal found 5/13![British Airways logo]()
$383
This Flysmarter deal was found by Cheapflights users on 5/11. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:50 am
CPH
- SEA
1 stop16h 10m
British Airways
Deal found 5/11![British Airways logo]()
$384
This Expedia deal was found by Cheapflights users on 5/12. 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.
Fri 9/48:50 am
CPH
- SEA
1 stop16h 10m
Finnair
Deal found 5/12![Finnair logo]()
$387
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 am
CPH
- SEA
1 stop16h 10m
American Airlines
Deal found 5/12![American Airlines logo]()
$393
This Flysmarter deal was found by Cheapflights users on 5/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:40 pm
CPH
- SEA
1 stop26h 55m
British Airways
Deal found 5/14![British Airways logo]()
$399
This Finnair deal was found by Cheapflights users on 5/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:45 am
CPH
- SEA
2 stops21h 04m
Finnair
Deal found 5/13![Finnair logo]()
$400
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 May 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $599 (Mytrip) |
One-way from | $338 (Travelis) |
Popular in | July |
Cheapest in | November |
Average price | $661 |
Good round-trip deal | $738 or less |
Good one-way deal | $1,081 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 May 14, 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 9/6
7:00 am-11:35 am
1 stop13h 35m
Seattle/Tacoma Intl
Sat 10/3
8:20 pm-8:40 pm
1 stop15h 20m
$670
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sun 9/6
11:45 am-4:35 pm
1 stop13h 50m
Seattle/Tacoma Intl
Mon 9/28
9:50 pm-9:35 pm
1 stop14h 45m
$694
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 10/2
6:30 am-10:42 pm
2 stops25h 12m
Seattle/Tacoma Intl
Sun 10/4
10:30 am-6:05 pm
2 stops22h 35m
$733
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Tue 10/13
6:20 am-10:42 pm
2 stops25h 22m
Seattle/Tacoma Intl
Fri 10/16
10:40 pm-9:15 am
2 stops25h 35m
$736
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 6/5
6:00 am-4:24 pm
1 stop19h 24m
Seattle/Tacoma Intl
Fri 6/19
7:15 am-6:45 am
1 stop14h 30m
$744
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sat 8/1
12:45 pm-9:07 pm
1 stop17h 22m
Seattle/Tacoma Intl
Fri 8/14
11:00 pm-9:15 am
2 stops25h 15m
$753
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 6/19
12:45 pm-9:07 pm
1 stop17h 22m
Seattle/Tacoma Intl
Tue 7/7
7:30 am-5:20 pm
2 stops24h 50m
$760
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sat 6/27
12:45 pm-9:07 pm
1 stop17h 22m
Seattle/Tacoma Intl
Tue 7/7
7:00 am-5:20 pm
2 stops25h 20m
$806
Quickest round-trip
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 10/2
1:05 pm-1:45 pm
Nonstop9h 40m
Seattle/Tacoma Intl
Sun 10/4
3:55 pm-10:10 am
Nonstop9h 15m
$827
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Sat 6/27
12:45 pm-9:07 pm
1 stop17h 22m
Seattle/Tacoma Intl
Mon 7/13
7:30 am-6:05 pm
2 stops25h 35m
$856
Showing 1-10 of 20 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 May.
| 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 39 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 $541). Flying from Copenhagen to Seattle in July is currently the most expensive (average of $929). 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 much does it cost to fly round-trip from Copenhagen to Seattle?
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 May 14, 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.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Tacoma
Ocean Shores
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Lacey
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Snoqualmie
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Tukwila
Puyallup
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Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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Top 5 airlines flying from Copenhagen to Seattle
Discover the top 5 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 May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$430 | Average$602 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$715 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$519 | Average$696 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$579 | Average$721 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$618 | Average$856 | FlexibilityNo cancel fee | On-time77% |