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.
The cost of a one-way flight from Seoul to Seattle ranges from $497 (October 2026) to $579 (December 2026). On average, the ticket price is about $547–$1,143.
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.
Tickets from Seoul to Seattle cost roughly the same any month. This is convenient: you can plan your trip based on your schedule rather than prices.
There is a slight difference: it's a bit cheaper in October 2026–December 2026 (averaging $538) and slightly more in December 2026–March 2027 ($571). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 6%. Book whenever it's convenient.
Monthly price variation is just 6.5%. Ticket costs on this route are among the most predictable.
There are most likely no direct flights on the Seoul — Seattle route
All airports
Seoul — Seattle
10/25/2026
Departure
Direct flight
AS120
starting at $941
Seoul — Seattle
12/10/2026
Departure
Direct flight
KE47
starting at $925
Seoul — Seattle
12/15/2026
Departure
Direct flight
KE47
starting at $925
starting at $941
starting at $925
starting at $543
starting at $585
starting at $617
More than 5 airlines operate flights from Seoul to Seattle, including Alaska Airlines, Korean Air, Air China, T'way Air, and Air Busan. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $543, 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.
The cheapest flight ticket from Seoul to Seattle according to data for the last 48 hours costs $543
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: October, March, December.
The fastest flights from Seoul to Seattle start from 2 hours 28 minutes in the air.
The following airlines operate direct flights on the route Seoul — Seattle: Alaska Airlines, Korean Air
The cheapest one-way flight from Seoul to Seattle departs on 12/10/2026, is operated by Air China and costs $543
The cheapest roundtrip flight from Seoul to Seattle departs on 02/15/2027, is operated by Air Canada and costs $956
Fastest flight from Seoul to Seattle takes 1d 2h 28m
There are direct flights on this route 3 days a week: Su, Tu, and Th
The distance between Seoul and Seattle is 8321km (5159 miles). There are 52 direct flights from Seoul to Seattle. The time difference between Seoul and Seattle is 17h. Flights from Seoul begin at 4:10 PM. The latest flight from Seoul departs at 9:20 PM
We couldn't find any special offers for flights from Seoul to Seattle
