$419 Cheap Flights from Seattle to Seoul (SEA to SEL)

App

Customer Support

USD

Find Bookings

Trip.com

Flights

Flights to South Korea

Flights to Seoul

Flights from Seattle to Seoul

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Cheap flight deals from Seattle to Seoul Starting at $419

For as little as $419, you can take your next adventure to Seoul without breaking the bank. Choose between one-way and return tickets from Seattle below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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

Explore the best time to buy affordable tickets to Seoul with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Alternative Cheap Routes from Seattle to Seoul

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Seoul from Seattle which could help you save money and time.

Cheapest
SEA
03:59 pm
27h 21m
2 transfer
ICN
12:20 pm
Seattle-Tacoma International Airport - Incheon International Airport
Tue, Jan 28Alaska Airlines
$408
SEA
09:18 am
39h 12m
2 transfer
GMP
05:30 pm
Seattle-Tacoma International Airport - Gimpo International Airport
Fri, Mar 7United Airlines
$499
LKE
09:25 am
33h 55m
2 transfer
ICN
12:20 pm
Lake Union Sea Plane Base - Incheon International Airport
Thu, Feb 6Hahn Air
$722
LKE
09:25 am
33h 55m
2 transfer
ICN
12:20 pm
Lake Union Sea Plane Base - Incheon International Airport
Thu, Feb 6Hahn Air
$722
Find More Flights

Frequently Asked Questions

When are flight tickets from Seattle (SEA) to Seoul (SEL) the cheapest?
Airlines adjust prices for flights from Seattle to Seoul based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Seattle (SEA) to Seoul (SEL) cost?
According to Trip.com's data, the lowest price is around $1,359.
How long does it take to fly from Seattle (SEA) to Seoul (SEL) and what is the distance?
It takes around 11 hours 40 minutes to fly from Seattle (SEA) to Seoul (SEL).
What is the transportation method from the main airport to downtown in Seoul?
- The distance from Incheon International Airport to downtown is about 48 km. It takes about 1 hour by taxi.
- The distance from Gimpo International Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Seattle (SEA) to Seoul (SEL)?
Airlines with flights from Seattle (SEA) to Seoul (SEL): United Airlines, Delta Air Lines, Thai Airways, Etihad Airways, Singapore Airlines, Korean Air and Asiana Airlines.

How to find a cheap flight from Seattle to Seoul

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Info | Seattle to Seoul

Cheapest nonstop flight price	$419
Cheapest round-trip ticket price	$841
Off-season for travel	February
Peak season for travel	April
Flight distance	8,341.99 km
Average flight time	11 hours 40 minutes
Popular airline	Alaska Airlines