$399+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Aug 28 — Sep 41
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 64 days in advance, depart on a Wednesday or Tuesday and return on a Sunday
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 July 29, 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 July 29, 2026.
This Delta deal was found by Cheapflights users on 7/29. 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 9/126:00 am
CPH
- SEA
2 stops25h 05m
Delta
Mon 9/289:50 pm
SEA
- CPH
1 stop14h 45m
Delta
Deal found 7/29![Delta logo]()
$675
This Delta deal was found by Cheapflights users on 7/29. 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 9/119:25 am
CPH
- SEA
1 stop16h 10m
Delta
Wed 9/2310:35 am
SEA
- CPH
2 stops16h 10m
Delta
Deal found 7/29![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 7/29. 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 9/123:00 pm
CPH
- SEA
1 stop14h 10m
Delta
Tue 9/299:50 pm
SEA
- CPH
1 stop14h 45m
Delta
Deal found 7/29![Delta logo]()
$680
This Delta deal was found by Cheapflights users on 7/29. 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 9/126:00 am
CPH
- SEA
2 stops25h 05m
Delta
Wed 9/236:45 pm
SEA
- CPH
1 stop13h 20m
Delta
Deal found 7/29![Delta logo]()
$681
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Sat 9/263:55 pm
SEA
- CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 7/29![Scandinavian Airlines logo]()
$684
This Ticket deal was found by Cheapflights users on 7/27. 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 9/46:30 am
CPH
- SEA
2 stops21h 37m
Lufthansa
Sat 9/197:00 am
SEA
- CPH
2 stops17h 15m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$687
This Air Canada deal was found by Cheapflights users on 7/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:15 pm
CPH
- SEA
2 stops19h 27m
Air Canada
Wed 9/235:50 am
SEA
- CPH
2 stops20h 00m
Air Canada
Deal found 7/26![Air Canada logo]()
$689
This Delta deal was found by Cheapflights users on 7/29. 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 9/146:00 am
CPH
- SEA
1 stop14h 47m
Delta
Sun 9/271:50 pm
SEA
- CPH
1 stop12h 15m
Delta
Deal found 7/29![Delta logo]()
$691
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 8/126:00 am
CPH
- SEA
2 stops22h 05m
Delta
Thu 8/206:40 pm
SEA
- CPH
1 stop13h 25m
Delta
Deal found 7/25![Delta logo]()
$692
This Delta deal was found by Cheapflights users on 7/29. 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 9/141:55 pm
CPH
- SEA
1 stop15h 41m
Delta
Sat 9/2611:59 pm
SEA
- CPH
1 stop26h 46m
Delta
Deal found 7/29![Delta logo]()
$694
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 July 29, 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 July 29, 2026.
This Delta deal was found by Cheapflights users on 7/24. 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.
Wed 8/126:00 am
CPH
- SEA
2 stops22h 05m
Delta
Thu 8/206:40 pm
SEA
- CPH
1 stop13h 25m
Delta
Deal found 7/24![Delta logo]()
$693
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/126:20 am
CPH
- SEA
1 stop14h 35m
United Airlines
Thu 8/205:13 pm
SEA
- CPH
2 stops30h 42m
United Airlines
Deal found 7/25![United Airlines logo]()
$718
This KLM deal was found by Cheapflights users on 7/24. 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.
Wed 8/126:00 am
CPH
- SEA
1 stop14h 37m
KLM
Thu 8/205:45 pm
SEA
- CPH
1 stop15h 30m
KLM
Deal found 7/24![KLM logo]()
$743
This Finnair deal was found by Cheapflights users on 7/29. 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.
Fri 9/412:25 pm
CPH
- SEA
2 stops20h 34m
Finnair
Sat 9/198:20 pm
SEA
- CPH
2 stops17h 50m
Finnair
Deal found 7/29![Finnair logo]()
$759
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/16:20 am
CPH
- SEA
2 stops20h 22m
United Airlines
Fri 9/411:04 pm
SEA
- CPH
2 stops26h 46m
United Airlines
Deal found 7/28![United Airlines logo]()
$729
This Finnair deal was found by Cheapflights users on 7/27. 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.
Thu 9/37:45 am
CPH
- SEA
2 stops25h 14m
Finnair
Thu 9/241:40 pm
SEA
- CPH
2 stops17h 35m
Finnair
Deal found 7/27![Finnair logo]()
$774
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 9/11:05 pm
CPH
- SEA
Nonstop9h 40m
Delta
Thu 9/249:50 pm
SEA
- CPH
1 stop14h 45m
Delta
Deal found 7/27![Delta logo]()
$1,025
This Icelandair deal was found by Cheapflights users on 7/25. 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.
Tue 11/38:45 pm
CPH
- SEA
2 stops32h 53m
Icelandair
Thu 12/172:35 pm
SEA
- CPH
1 stop12h 10m
Icelandair
Deal found 7/25![Icelandair logo]()
$2,345
This Icelandair deal was found by Cheapflights users on 7/29. 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.
Wed 11/412:55 pm
CPH
- SEA
1 stop13h 05m
Icelandair
Tue 12/158:41 am
SEA
- CPH
2 stops18h 04m
Icelandair
Deal found 7/29![Icelandair logo]()
$2,665
This Icelandair deal was found by Cheapflights users on 7/25. 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 11/28:15 am
CPH
- SEA
1 stop17h 45m
Icelandair
Tue 12/158:41 am
SEA
- CPH
2 stops18h 19m
Icelandair
Deal found 7/25![Icelandair logo]()
$2,898
This Icelandair deal was found by Cheapflights users on 7/29. 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.
Wed 11/412:55 pm
CPH
- SEA
2 stops16h 43m
Icelandair
Sun 12/138:41 am
SEA
- CPH
2 stops18h 04m
Icelandair
Deal found 7/29![Icelandair logo]()
$2,927
This Icelandair deal was found by Cheapflights users on 7/25. 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 11/28:15 am
CPH
- SEA
1 stop17h 45m
Icelandair
Fri 12/182:35 pm
SEA
- CPH
1 stop12h 10m
Icelandair
Deal found 7/25![Icelandair logo]()
$2,930
Last-minute flights from Copenhagen to SeattleDiscover last-minute flight deals from Copenhagen to Seattle. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to Seattle. Data last updated July 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/66:10 am
CPH
- SEA
2 stops21h 56m
United Airlines
Mon 8/1710:41 am
SEA
- CPH
2 stops18h 29m
United Airlines
Deal found 7/25![United Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 8/126:00 am
CPH
- SEA
2 stops22h 05m
Delta
Thu 8/206:40 pm
SEA
- CPH
1 stop13h 25m
Delta
Deal found 7/25![Delta logo]()
$692
This Flysmarter deal was found by Cheapflights users on 7/26. 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.
Wed 8/127:20 am
CPH
- SEA
2 stops21h 50m
British Airways
Thu 8/209:42 pm
SEA
- CPH
2 stops36h 13m
British Airways
Deal found 7/26![British Airways logo]()
$709
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/126:20 am
CPH
- SEA
1 stop14h 35m
United Airlines
Thu 8/205:13 pm
SEA
- CPH
2 stops30h 42m
United Airlines
Deal found 7/25![United Airlines logo]()
$718
This KLM deal was found by Cheapflights users on 7/24. 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.
Wed 8/126:00 am
CPH
- SEA
1 stop14h 37m
KLM
Thu 8/205:45 pm
SEA
- CPH
1 stop15h 30m
KLM
Deal found 7/24![KLM logo]()
$743
This Air Canada deal was found by Cheapflights users on 7/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:15 pm
CPH
- SEA
2 stops19h 27m
Air Canada
Wed 9/235:50 am
SEA
- CPH
2 stops20h 00m
Air Canada
Deal found 7/26![Air Canada logo]()
$689
This Ticket deal was found by Cheapflights users on 7/29. 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 8/281:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Thu 10/12:30 pm
SEA
- CPH
1 stop15h 40m
Scandinavian Airlines
Deal found 7/29![Scandinavian Airlines logo]()
$822
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 8/285:55 am
CPH
- SEA
2 stops21h 50m
Multiple Airlines
Sat 8/297:00 pm
SEA
- CPH
1 stop11h 55m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$824
This Gotogate deal was found by Cheapflights users on 7/26. 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 8/287:20 am
CPH
- SEA
1 stop13h 25m
Icelandair
Sat 8/297:00 pm
SEA
- CPH
1 stop11h 55m
Icelandair
Deal found 7/26![Icelandair logo]()
$863
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/301:05 pm
CPH
- SEA
Nonstop9h 40m
Scandinavian Airlines
Sat 9/263:55 pm
SEA
- CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$741
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 July 29, 2026.
Search for one-way flight options from Copenhagen to Seattle. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Booking.com deal was found by Cheapflights users on 7/27. 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 9/218:50 am
CPH
- SEA
1 stop16h 10m
Finnair
Deal found 7/27![Finnair logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 9/203:40 pm
CPH
- SEA
3 stops33h 20m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Fri 9/188:50 am
CPH
- SEA
1 stop16h 10m
Iberia
Deal found 7/25![Iberia logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/1611:15 pm
CPH
- SEA
3 stops49h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$410
This Finnair deal was found by Cheapflights users on 7/29. 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.
Thu 10/112:25 pm
CPH
- SEA
2 stops20h 46m
Finnair
Deal found 7/29![Finnair logo]()
$415
This Finnair deal was found by Cheapflights users on 7/24. 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 10/1912:25 pm
CPH
- SEA
2 stops21h 10m
Finnair
Deal found 7/24![Finnair logo]()
$416
This Finnair deal was found by Cheapflights users on 7/28. 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 10/199:45 pm
CPH
- SEA
1 stop22h 50m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$418
This Iberia deal was found by Cheapflights users on 7/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:25 pm
CPH
- SEA
2 stops20h 46m
Iberia
Deal found 7/28![Iberia logo]()
$421
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/2310:20 am
CPH
- SEA
1 stop34h 15m
American Airlines
Deal found 7/28![American Airlines logo]()
$423
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:50 am
CPH
- SEA
1 stop33h 45m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$424
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 July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $675 (Delta) |
One-way from | $399 (Booking.com) |
Popular in | July |
Cheapest in | November |
Average price | $978 |
Good round-trip deal | $1,408 or less |
Good one-way deal | $841 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 July 29, 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
Wed 8/12
6:00 am-7:05 pm
2 stops22h 05m
Seattle/Tacoma Intl
Thu 8/20
6:40 pm-5:05 pm
1 stop13h 25m
$693
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Wed 8/12
6:20 am-11:55 am
1 stop14h 35m
Seattle/Tacoma Intl
Thu 8/20
5:13 pm-8:55 am
2 stops30h 42m
$718
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Tue 9/1
6:20 am-5:42 pm
2 stops20h 22m
Seattle/Tacoma Intl
Fri 9/4
11:04 pm-10:50 am
2 stops26h 46m
$729
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Wed 8/12
6:00 am-11:37 am
1 stop14h 37m
Seattle/Tacoma Intl
Thu 8/20
5:45 pm-6:15 pm
1 stop15h 30m
$743
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Fri 9/4
12:25 pm-11:59 pm
2 stops20h 34m
Seattle/Tacoma Intl
Sat 9/19
8:20 pm-11:10 pm
2 stops17h 50m
$759
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Thu 9/3
7:45 am-11:59 pm
2 stops25h 14m
Seattle/Tacoma Intl
Thu 9/24
1:40 pm-4:15 pm
2 stops17h 35m
$774
Quickest round-trip
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Tue 9/1
1:05 pm-1:45 pm
Nonstop9h 40m
Seattle/Tacoma Intl
Thu 9/24
9:50 pm-9:35 pm
1 stop14h 45m
$1,025
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Tue 11/3
8:45 pm-8:38 pm
2 stops32h 53m
Seattle/Tacoma Intl
Thu 12/17
2:35 pm-11:45 am
1 stop12h 10m
$2,345
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Wed 11/4
12:55 pm-5:00 pm
1 stop13h 05m
Seattle/Tacoma Intl
Tue 12/15
8:41 am-11:45 am
2 stops18h 04m
$2,665
CopenhagenSeattle
CPH - SEA
CPHSEA
Kastrup Copenhagen
Mon 11/2
8:15 am-5:00 pm
1 stop17h 45m
Seattle/Tacoma Intl
Tue 12/15
8:41 am-12:00 pm
2 stops18h 19m
$2,898
Showing 1-10 of 22 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 July.
| 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 63 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 $978). 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 July 29, 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 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 July 29, 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.
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
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
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline
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Search flights from Copenhagen to Seattle by cabin class
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Copenhagen and Seattle flights
Browse other Copenhagen and Seattle flight options. Last updated on July 29, 2026.
Other flights from Copenhagen
Browse through other flights departing from Copenhagen. Flights are based on user searches made on Cheapflights and were last updated on July 29, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 29, 2026.
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 2,558,603 searches. Data last updated July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$602 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$933 | 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% |