Cheap Flight Deals from Seattle to Seoul

We've found these cheap flights for you. You can book one-way or return flight tickets.

Return
One way

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

Best Time to Book Flights from Seattle to Seoul

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6

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

FAQ

When are flight from Seattle (SEA) to Seoul (SEL) the cheapest?

Airlines adjust prices for flights from Seattle to Seoul based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Seattle (SEA) to Seoul (SEL) cost?

According to Trip.com's data, the lowest price is around AU$ 2,119.
How long is the flights from Seattle (SEA) to Seoul (SEL)?

It takes about 11 hours 26 minutes to fly from Seattle (SEA) to Seoul (SEL).
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, Singapore Airlines, Korean Air and Asiana Airlines.
How many airports in Seoul (SEL)?

There are 2 airport(s) in Seoul (SEL): Gimpo International Airport and Incheon International Airport.

How to find a cheap flight from Seattle to Seoul

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Seoul. Book your flights at the right time and save more.

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 Information from Seattle to Seoul

Cheapest one-way flight price	AU$ 630
Cheapest return ticket price	AU$ 1,534
Off-season for travel	February
Peak season for travel	January
Flight distance	8,341.99km
Average flight time	11 hours 26 minutes
Popular airline	Alaska Airlines