There are most likely no direct flights on the Seoul — Seattle route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seoul to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seoul to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
There are most likely no direct flights on the Seoul — Seattle route
Seoul — Seattle
06/03/2026
Departure
Direct flight
AS120
starting at $533
Seoul — Seattle
06/05/2026
Departure
Direct flight
KE5019
starting at $974
Seoul — Seattle
06/06/2026
Departure
Direct flight
KE5019
starting at $1,049
Seoul — Seattle
06/09/2026
Departure
Direct flight
OZ272
starting at $871
Seoul — Seattle
06/11/2026
Departure
Direct flight
OZ272
starting at $948
Seoul — Seattle
06/17/2026
Departure
Direct flight
KE041
starting at $865
Seoul — Seattle
06/20/2026
Departure
Direct flight
KE5019
starting at $1,129
Seoul — Seattle
06/22/2026
Departure
Direct flight
KE41
starting at $916
Seoul — Seattle
08/17/2026
Departure
Direct flight
OZ272
starting at $1,459
Seoul — Seattle
06/07/2026
Departure
Direct flight
OZ272
starting at $840
starting at $533
starting at $865
starting at $838
starting at $478
starting at $507
starting at $546
starting at $585
starting at $600
starting at $608
starting at $745
starting at $748
More than 11 airlines operate flights from Seoul to Seattle, including Alaska Airlines, Korean Air, Asiana Airlines, Air Busan, Jin Air, United Airlines, Hong Kong Express Airways, Eastar Jet, Perimeter Aviation Ltd., Philippine Airlines, and Scoot. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $478, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
We couldn't find any special offers for flights from Seoul to Seattle
The cheapest one-way flight from Seoul to Seattle departs on 06/22/2026, is operated by Air Busan and costs $478
The cheapest roundtrip flight from Seoul to Seattle departs on 07/10/2026, is operated by Westjet and costs $1,059
Fastest flight from Seoul to Seattle takes 10 hours
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Seoul and Seattle is 8321km (5159 miles). The time difference between Seoul and Seattle is 17h
The cheapest flight ticket from Seoul to Seattle according to data for the last 48 hours costs $478
Often the best time to buy tickets from Seoul to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seoul to Seattle can be found flying in these months: June, October, September.
The fastest flights from Seoul to Seattle start from 10 hours in the air.
The following airlines operate direct flights on the route Seoul — Seattle: Alaska Airlines, Korean Air, Asiana Airlines
The cost of a one-way flight from Seoul to Seattle ranges from $478 (June 2026) to $693 (August 2026). On average, the ticket price is about $607–$650.
Ticket prices for Seoul — Seattle follow a predictable curve: rise, peak, and decline. This typical seasonal pattern lets you plan your purchase to avoid overpaying.
Prices rise from June 2026 to August 2026 (+45%), then decline from August 2026 to October 2026 (12%). The cheapest tickets are in June 2026–August 2026 (averaging $586), while the priciest are in August 2026–September 2026 ($672).
For savings, plan your flight for June 2026–August 2026 — you could save up to 13%. Try to avoid August 2026–September 2026 when possible: prices are at their highest then.
Price spread on this route is 13.3%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
