$428+ Cheap flights from Seoul (SEL) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SEA
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Seoul 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 Seoul to Seattle/Tacoma Intl are usually found in November or January, booked 59 days in advance, depart on a Monday or Tuesday and return on a Wednesday
Cheap flight deals from Seoul to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seoul to SeattleExplore the most affordable flight options available from Seoul to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Seoul to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:55 pm -
1 stop16h 27m
Mon 1/1110:10 am -
2 stops19h 40m
Deal found 10/21![Multiple Airlines logo]()
$858
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:55 pm -
1 stop12h 42m
Sun 12/277:05 pm -
1 stop29h 05m
Deal found 10/22![Air Canada logo]()
$862
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:55 pm -
1 stop12h 42m
Fri 1/18:40 am -
1 stop15h 30m
Deal found 10/21![Air Canada logo]()
$896
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:55 pm -
1 stop12h 42m
Tue 1/510:10 am -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$897
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:55 pm -
1 stop16h 27m
Wed 1/137:05 pm -
1 stop29h 05m
Deal found 10/21![Air Canada logo]()
$898
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:55 pm -
1 stop16h 27m
Tue 1/57:05 pm -
1 stop29h 05m
Deal found 10/23![Air Canada logo]()
$900
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:55 pm -
1 stop12h 42m
Wed 12/308:40 am -
1 stop15h 30m
Deal found 10/23![Air Canada logo]()
$914
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:55 pm -
1 stop16h 27m
Sun 12/277:05 pm -
1 stop29h 05m
Deal found 10/23![Air Canada logo]()
$915
Best flights from Seoul to SeattleDiscover carefully curated flight deals from Seoul to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Seoul to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
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.
Fri 12/1112:45 pm -
2 stops26h 13m
Sun 12/275:34 pm -
2 stops29h 41m
Deal found 10/21![United Airlines logo]()
$945
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.
Thu 11/196:45 pm -
Nonstop10h 06m
Thu 11/267:20 am -
1 stop17h 20m
Deal found 10/22![Delta logo]()
$1,033
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:10 pm -
Nonstop9h 55m
Sun 11/812:30 pm -
Nonstop12h 15m
Deal found 10/23![Korean Air logo]()
$1,034
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/128:05 pm -
1 stop15h 10m
Thu 4/221:15 am -
1 stop18h 15m
Deal found 10/21![China Airlines logo]()
$1,057
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:00 pm -
Nonstop9h 55m
Sun 1/1012:40 pm -
Nonstop11h 55m
Deal found 10/21![Alaska Airlines logo]()
$1,063
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/512:45 pm -
2 stops23h 52m
Sun 11/87:35 pm -
1 stop17h 05m
Deal found 10/19![United Airlines logo]()
$1,004
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:00 pm -
1 stop21h 13m
Tue 11/1712:10 am -
Nonstop12h 10m
Deal found 10/23![Delta logo]()
$1,040
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:20 pm -
Nonstop9h 50m
Sat 12/512:35 pm -
Nonstop12h 10m
Deal found 10/20![Korean Air logo]()
$1,084
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.
Thu 11/196:00 pm -
2 stops18h 37m
Thu 11/266:00 am -
2 stops30h 40m
Deal found 10/22![United Airlines logo]()
$1,007
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/168:00 pm -
Nonstop10h 10m
Fri 1/2212:40 pm -
Nonstop11h 55m
Deal found 10/22![Alaska Airlines logo]()
$1,122
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 pm -
2 stops18h 37m
Mon 11/1612:20 pm -
2 stops24h 20m
Deal found 10/23![United Airlines logo]()
$1,008
Last-minute flights from Seoul to SeattleDiscover last-minute flight deals from Seoul to Seattle. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Seattle. Data last updated October 24, 2026 and is based on user searches.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:45 pm -
2 stops23h 20m
Tue 10/2711:25 am -
1 stop33h 20m
Deal found 10/21![Multiple Airlines logo]()
$984
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:25 pm -
2 stops23h 20m
Tue 11/1710:25 am -
1 stop33h 20m
Deal found 10/21![Multiple Airlines logo]()
$947
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.
Thu 11/56:00 pm -
2 stops18h 37m
Tue 1/127:00 am -
1 stop16h 15m
Deal found 10/20![United Airlines logo]()
$993
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:25 pm -
2 stops23h 20m
Mon 11/910:25 am -
1 stop33h 20m
Deal found 10/21![Multiple Airlines logo]()
$977
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.
Wed 11/1112:25 pm -
2 stops23h 20m
Wed 4/2111:45 am -
1 stop39h 20m
Deal found 10/22![Multiple Airlines logo]()
$976
This Booking.com deal was found by Cheapflights users on 10/19. 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.
Wed 11/189:20 pm -
2 stops27h 45m
Wed 11/2510:25 am -
1 stop34h 25m
Deal found 10/19![Multiple Airlines logo]()
$998
This WhyPayMore 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 pm -
Nonstop9h 55m
Thu 11/2612:40 pm -
Nonstop11h 55m
Deal found 10/20![Alaska Airlines logo]()
$991
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:10 pm -
2 stops48h 28m
Sat 12/58:46 am -
1 stop19h 34m
Deal found 10/20![Multiple Airlines logo]()
$990
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:40 pm -
1 stop15h 03m
Wed 1/278:45 am -
1 stop19h 35m
Deal found 10/22![Multiple Airlines logo]()
$982
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.
Fri 11/2712:25 pm -
2 stops23h 20m
Wed 4/73:15 pm -
1 stop32h 50m
Deal found 10/20![Multiple Airlines logo]()
$980
One-way flights from Seoul to SeattleSearch for one-way flight options from Seoul to Seattle. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Seoul to Seattle. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:45 pm -
2 stops41h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$428
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop17h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$440
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:20 pm -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Hainan Airlines logo]()
$451
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.
Wed 12/167:45 pm -
1 stop29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$456
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:10 pm -
2 stops48h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$527
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.
Fri 12/187:45 pm -
2 stops33h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$529
Find flight deals from Seoul to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $858 (Air Canada) |
One-way from | $428 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $926 |
Good round-trip deal | $1,023 or less |
Good one-way deal | $659 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
Use the filters below to find and compare flights from Seoul to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Sat 12/19
8:15 pm-6:10 pm
1 stop14h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$619
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Sun 4/18
8:05 pm-7:15 pm
1 stop15h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$624
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Sat 10/31
8:30 pm-7:45 pm
1 stop39h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$659
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 12/18
12:45 pm-9:25 pm
3 stops25h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$855
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Mon 12/21
12:45 pm-9:25 pm
3 stops25h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$855
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Thu 2/25
6:00 pm-9:12 pm
3 stops44h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$857
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 12/4
6:45 pm-11:56 am
Nonstop10h 11m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$858
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 12/4
6:00 pm-9:21 pm
3 stops44h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$860
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Tue 2/23
6:45 pm-11:50 am
Nonstop10h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$865
Quickest round-trip
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 11/11
4:10 pm-9:05 am
Nonstop9h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$867
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seoul 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 Seoul to Seattle 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 | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seoul-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seoul-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 Seoul-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 Seoul to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Seoul with our price prediction graph.
SEL-SEA
ICN-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 Seoul to Seattle
SEL-SEA
ICN-SEA
What is the cheapest month to book a flight from Seoul to Seattle?
Currently, November is the cheapest month in which you can book a flight from Seoul to Seattle (average of $618). Flying from Seoul to Seattle in June is currently the most expensive (average of $1,104). 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 SEL to SEA?
Find hourly flight availability from Seoul 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 October 24, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Seattle as you normally would.
How much does it cost to fly round-trip from Seoul to Seattle?
Airfare is typical for this route at the moment.
Seoul to Seattle flights typically cost between $666 and $989 in December.The cheapest round-trip price found within the last 5 days was $858 on Multiple Airlines (Dec 29-Jan 11).
What’s the top layover airport for flights from Seoul to Seattle?
Share of 1-stop round-trip flights from Seoul to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Vancouver (YVR) – chosen by Cheapflights users on 85% of 1-stop itineraries from Seoul to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Seoul to Seattle?
Average round-trip fare for 1-stop flights from Seoul to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Vancouver (YVR) is the most affordable 1-stop option, with an average round-trip price of $569.
What’s the fastest layover option from Seoul to Seattle?
Shortest average travel time for 1-stop one-way flights from Seoul to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Vancouver (YVR) have the shortest average one-way travel time for 1-stop routes: 14h 10m.
Which airport typically offers the quickest layover for flights from Seoul to Seattle?
Average layover duration for 1-stop one-way flights from Seoul to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 2h 06m.
How far ahead should I book a flight from Seoul to Seattle?
To ensure you get the cheapest price possible for a flight from Seoul to Seattle, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 October 24, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andAlaska Airlines from Seoul to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Seoul to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Tacoma
Lacey
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Centralia
Kent
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Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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Seoul and Seattle flights
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Top 4 airlines flying from Seoul to Seattle
Discover the top 4 airlines that operate flights from Seoul to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$522 | Average$694 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$528 | Average$996 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$614 | Average$767 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$618 | Average$773 | FlexibilityNo cancel fee | On-timeN/A |