Cheap Flights from Seattle to Seoul

Cheapest flights from Seattle to Seoul

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 Seattle to Seoul. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$311

Air Canada

2 layovers

1d 12h 35m

02/24/2026

The cheapest one-way flight from Seattle to Seoul departs on 02/24/2026, is operated by Air Canada and costs $311

Cheapest round trip flight

$767

Air Canada

1 layover

2d 3h 30m

05/04/2026

The cheapest roundtrip flight from Seattle to Seoul departs on 05/04/2026, is operated by Air Canada and costs $767

The fastest flight

12h 5m

Fastest flight from Seattle to Seoul takes 12h 5m

Direct flights

Several times a week

There are direct flights on this route 2 days a week: Mo and Th

Earliest flight

11:00 AM

Latest flight

12:10 AM

Average flight duration

11h 55m

Direct flights count

51

Distance

8321km

Timezone difference

17h

The distance between Seattle and Seoul is 8321km (5159 miles). The average flight duration is 11h 55m. There are 51 direct flights from Seattle to Seoul. The time difference between Seattle and Seoul is 17h. Flights from Seattle begin at 11:00 AM. The latest flight from Seattle departs at 12:10 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Seattle to Seoul by month

The cost of a one-way flight from Seattle to Seoul ranges from $198 (July 2026) to $488 (December 2025). On average, the ticket price is about $343–$488.

July 2026

Lowest price

on average:

$198

December 2025

Highest price

on average:

$488

Avg Price

Airlines operating on route

More than 6 airlines operate flights from Seattle to Seoul, including Asiana Airlines, Hawaiian Airlines, Korean Air, Air Canada, United Airlines, and Frontier Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $311, 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.

starting at $453

starting at $500

starting at $360

starting at $311

starting at $455

starting at $458

Non-stop flights from Seattle to Seoul

A non-stop flight is the most convenient and comfortable way to fly from Seattle to Seoul, despite the fact that sometimes flights with transfers can cost significantly less.

Seattle — Seoul

SEA — SEL

02/23/2026

Departure

Direct flight

OZ271

starting at $453

Seattle — Seoul

SEA — SEL

02/28/2026

Departure

Direct flight

OZ7292

starting at $479

Seattle — Seoul

SEA — SEL

03/15/2026

Departure

Direct flight

HA8471

starting at $500

Seattle — Seoul

SEA — SEL

03/29/2026

Departure

Direct flight

KE42

starting at $471

Seattle — Seoul

SEA — SEL

01/05/2026

Departure

Direct flight

KE5020

starting at $365

Seattle — Seoul

SEA — SEL

01/08/2026

Departure

Direct flight

OZ271

starting at $687

Schedule of direct flights from Seattle to Seoul

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Seattle to Seoul:

Unable to find information about the schedule of direct flights from

Seattle airports overview

Boeing Field International Airport

•

BFI

8km

Seattle-Tacoma International Airport

•

SEA

19km

Primary air hub for the Seattle metropolitan area and Puget Sound, offering extensive domestic and international routes, multiple terminals, light rail and shuttle connections, and convenient access to downtown Seattle.

•

Seoul airports overview

Gimpo International Airport

•

GMP

16km

Incheon International Airport

•

ICN

49km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Seattle to Seoul?

The cheapest flight ticket from Seattle to Seoul according to data for the last 48 hours costs $311

When is the best time to buy air tickets on the route Seattle — Seoul?

Often the best time to buy tickets from Seattle to Seoul is 2 months before departure.

When is the cheapest time of year to fly from Seattle to Seoul?

Based on statistics over the past years, the lowest prices for flights from Seattle to Seoul can be found flying in these months: July, December.

How long does it take to fly from Seattle to Seoul?

The fastest flights from Seattle to Seoul start from 12 hours 5 minutes in the air.

Which airline can fly direct from Seattle to Seoul?

The following airlines operate direct flights on the route Seattle — Seoul: Asiana Airlines, Hawaiian Airlines, Korean Air

Special offers and sales on air tickets from Seattle to Seoul

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.

We couldn't find any special offers for flights from Seattle to Seoul

Alternative routes

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Cheapest one way flight

$311

Air Canada

2 layovers

1d 12h 35m

02/24/2026

The cheapest one-way flight from Seattle to Seoul departs on 02/24/2026, is operated by Air Canada and costs $311

Cheapest round trip flight

$767

Air Canada

1 layover

2d 3h 30m

05/04/2026

The cheapest roundtrip flight from Seattle to Seoul departs on 05/04/2026, is operated by Air Canada and costs $767

The fastest flight