$230+ Cheap flights from Seattle (SEA) to Copenhagen (CPH)
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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Copenhagen 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 Seattle/Tacoma Intl to Kastrup Copenhagen are usually found in February or April, booked 77 days in advance, depart on a Monday or Sunday and return on a Monday
Cheap flight deals from Seattle to Copenhagen
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to CopenhagenExplore the most affordable flight options available from Seattle to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Seattle to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:28 pm -
3 stops60h 37m
Sun 11/16:05 am -
1 stop15h 55m
Deal found 10/20![United Airlines logo]()
$517
This KAYAK deal was found by Cheapflights users on 10/23. 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.
Thu 10/291:16 pm -
2 stops35h 44m
Thu 12/107:55 pm -
2 stops36h 49m
Deal found 10/23![SWISS logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/132:50 pm -
1 stop12h 35m
Mon 12/77:15 am -
1 stop13h 45m
Deal found 10/22![United Airlines logo]()
$519
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
2 stops32h 10m
Sun 11/156:05 am -
1 stop15h 55m
Deal found 10/24![Lufthansa logo]()
$520
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:50 pm -
1 stop23h 20m
Tue 11/31:10 pm -
1 stop32h 50m
Deal found 10/21![United Airlines logo]()
$521
This KAYAK deal was found by Cheapflights users on 10/20. 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.
Tue 12/17:45 am -
1 stop17h 35m
Fri 12/1111:35 am -
1 stop18h 24m
Deal found 10/20![Lufthansa logo]()
$522
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/63:49 pm -
2 stops16h 46m
Thu 11/197:15 am -
1 stop13h 45m
Deal found 10/20![United Airlines logo]()
$523
This KAYAK deal was found by Cheapflights users on 10/22. 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 11/1310:10 am -
2 stops39h 10m
Mon 12/72:15 pm -
2 stops37h 31m
Deal found 10/22![Lufthansa logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/247:25 pm -
2 stops43h 45m
Thu 11/58:55 am -
2 stops18h 38m
Deal found 10/21![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/63:49 pm -
2 stops16h 46m
Wed 11/256:05 am -
2 stops23h 42m
Deal found 10/20![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 10/2612:20 pm -
3 stops36h 45m
Sat 10/311:10 pm -
1 stop32h 50m
Deal found 10/20![United Airlines logo]()
$527
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Sun 10/257:00 am -
2 stops32h 10m
Thu 11/57:15 am -
1 stop13h 45m
Deal found 10/21![Lufthansa logo]()
$528
Best flights from Seattle to CopenhagenDiscover carefully curated flight deals from Seattle to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Seattle to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:50 pm -
1 stop23h 20m
Sat 12/127:15 am -
1 stop13h 45m
Deal found 10/24![United Airlines logo]()
$518
This United deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:35 pm -
2 stops29h 45m
Wed 12/27:10 pm -
1 stop25h 50m
Deal found 10/22![Multiple Airlines logo]()
$536
This Icelandair deal was found by Cheapflights users on 10/24. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:35 pm -
1 stop16h 25m
Mon 12/145:05 pm -
1 stop32h 55m
Deal found 10/24![Icelandair logo]()
$595
This Delta deal was found by Cheapflights users on 10/22. 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 12/143:25 pm -
1 stop17h 00m
Thu 1/146:00 am -
1 stop14h 49m
Deal found 10/22![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/42:50 pm -
1 stop12h 35m
Mon 12/77:15 am -
1 stop13h 45m
Deal found 10/21![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:50 pm -
1 stop17h 45m
Tue 12/81:10 pm -
1 stop32h 50m
Deal found 10/24![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/63:49 pm -
2 stops16h 46m
Thu 11/197:15 am -
1 stop13h 45m
Deal found 10/20![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/63:49 pm -
2 stops16h 46m
Sat 11/216:05 am -
2 stops26h 02m
Deal found 10/20![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/911:33 pm -
2 stops25h 47m
Fri 12/186:05 am -
1 stop15h 55m
Deal found 10/22![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/71:50 pm -
1 stop14h 40m
Wed 11/2511:35 am -
1 stop18h 24m
Deal found 10/20![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/71:50 pm -
1 stop14h 40m
Sat 11/2111:35 am -
1 stop18h 24m
Deal found 10/20![United Airlines logo]()
$630
Last-minute flights from Seattle to CopenhagenDiscover last-minute flight deals from Seattle to Copenhagen. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Copenhagen. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/247:25 pm -
2 stops43h 45m
Thu 11/58:55 am -
2 stops18h 38m
Deal found 10/21![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:28 pm -
3 stops60h 37m
Sun 11/16:05 am -
1 stop15h 55m
Deal found 10/20![United Airlines logo]()
$517
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
2 stops32h 10m
Sun 11/156:05 am -
1 stop15h 55m
Deal found 10/24![Lufthansa logo]()
$520
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:50 pm -
1 stop23h 20m
Sat 11/71:10 pm -
1 stop32h 50m
Deal found 10/21![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:04 pm -
2 stops54h 01m
Sat 10/311:10 pm -
1 stop32h 50m
Deal found 10/20![United Airlines logo]()
$522
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Sun 10/257:00 am -
2 stops32h 10m
Thu 11/57:15 am -
1 stop13h 45m
Deal found 10/21![Lufthansa logo]()
$528
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 10/2612:20 pm -
3 stops36h 45m
Sat 10/311:10 pm -
1 stop32h 50m
Deal found 10/20![United Airlines logo]()
$527
This KAYAK deal was found by Cheapflights users on 10/23. 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.
Thu 10/291:16 pm -
2 stops35h 44m
Thu 12/107:55 pm -
2 stops36h 49m
Deal found 10/23![SWISS logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/63:49 pm -
2 stops16h 46m
Thu 11/197:15 am -
1 stop13h 45m
Deal found 10/20![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/63:49 pm -
2 stops16h 46m
Sat 11/216:05 am -
2 stops26h 02m
Deal found 10/20![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/132:50 pm -
1 stop12h 35m
Mon 12/77:15 am -
1 stop13h 45m
Deal found 10/22![United Airlines logo]()
$519
This KAYAK deal was found by Cheapflights users on 10/22. 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 11/1310:10 am -
2 stops39h 10m
Mon 12/72:15 pm -
2 stops37h 31m
Deal found 10/22![Lufthansa logo]()
$524
One-way flights from Seattle to CopenhagenSearch for one-way flight options from Seattle to Copenhagen. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Seattle to Copenhagen. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Mytrip deal was found by Cheapflights users on 10/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:35 pm -
1 stop16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$230
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Tue 11/172:35 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Icelandair logo]()
$233
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Sun 11/82:35 pm -
1 stop16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Icelandair logo]()
$234
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$244
This Kissandfly.com deal was found by Cheapflights users on 10/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/122:35 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/32:35 pm -
1 stop20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Icelandair logo]()
$247
This Mytrip deal was found by Cheapflights users on 10/20. 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 1/112:35 pm -
1 stop20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Icelandair logo]()
$248
This Justfly.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/22:35 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Icelandair logo]()
$249
This Trip.com deal was found by Cheapflights users on 10/21. 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.
Mon 11/92:35 pm -
1 stop20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Icelandair logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/132:35 pm -
1 stop20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/62:35 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Icelandair logo]()
$255
Find flight deals from Seattle to Copenhagen
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $517 (Lufthansa) |
One-way from | $233 (Mytrip) |
Popular in | December |
Cheapest in | February |
Average price | $587 |
Good round-trip deal | $644 or less |
Good one-way deal | $665 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Seattle to Copenhagen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Tue 11/17
2:35 pm-11:45 am
1 stop12h 10m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$233
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Wed 2/3
8:30 am-11:10 pm
3 stops29h 40m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$342
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Tue 11/17
2:35 pm-10:10 pm
3 stops22h 35m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$357
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Thu 2/4
1:50 pm-5:35 pm
2 stops18h 45m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$366
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Tue 11/3
8:40 am-10:20 am
2 stops16h 40m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$373
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Tue 2/2
8:30 am-10:20 am
3 stops64h 50m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$411
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Thu 3/18
2:42 pm-9:20 am
3 stops34h 38m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$453
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Sun 3/21
6:29 am-6:25 pm
3 stops27h 56m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$474
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Wed 1/6
6:45 pm-6:50 pm
1 stop15h 05m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$492
SeattleCopenhagen
SEA Seattle/Tacoma Intl - CPH Kastrup Copenhagen
SEACPH
Seattle/Tacoma Intl
Wed 12/9
6:45 pm-2:35 pm
1 stop34h 50m
Kastrup Copenhagen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$495
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Seattle to Copenhagen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Copenhagen in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Copenhagen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Copenhagen flights, Cheapflights users trust 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 Seattle-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Copenhagen
Have a flexible travel schedule? Discover the best time to fly to Copenhagen from Seattle with our price prediction graph.
SEA-CPH
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 Seattle to Copenhagen
How far ahead should I book a flight from Seattle to Copenhagen?
The price you pay for your flight from Seattle to Copenhagen may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Copenhagen?
Currently, February is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of $501). Flying from Seattle to Copenhagen in December is currently the most expensive (average of $869). 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 Seattle to Copenhagen?
Airfare is below average for this route at the moment.
Seattle to Copenhagen flights typically cost between $518 and $668 in April.The cheapest round-trip price found within the last 5 days was $517 on Lufthansa (Apr 4-Apr 18).
The best insider tips for Seattle to Copenhagen 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 Seattle to Copenhagen trip
Our travel experts
Reviews of airlines servicing Copenhagen
Get insights into the airlines that provide service to Copenhagen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Copenhagen. Reviews last updated October 25, 2026.
Read through reviews of airlines operating flights from Seattle to Copenhagen, such as Delta,Scandinavian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Copenhagen?
Book flights to Copenhagen if you plan to visit one of these locationsKastrup
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Complete your trip
Complete your trip to Copenhagen by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Copenhagen
Explore flights to Copenhagen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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Seattle and Copenhagen flights
Browse other Seattle and Copenhagen flight options. Last updated on October 25, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from Seattle to Copenhagen
Discover the top 9 airlines that operate flights from Seattle to Copenhagen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$434 | Average$594 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$440 | Average$772 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$469 | Average$615 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$482 | Average$623 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$482 | Average$584 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$503 | Average$780 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$506 | Average$665 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$513 | Average$655 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$524 | Average$649 | FlexibilityNo cancel fee | On-time75% |