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Find cheap flights from Seattle to Seoul starting at $532.

Book one-way or return flights from Seattle to Seoul from as little as $532. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

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

Searching for the best last minute flight from Seattle to Seoul? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Seattle to Seoul. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find cheap airlines flights from Seattle to Seoul

View airlines operating flights from Seattle to Seoul. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet
From $509
Alaska Airlines
From $532
Frontier Airlines
From $571
EVA Air
From $600
Delta Air Lines
From $621
American Airlines
From $622
Japan Airlines
From $635
United Airlines
From $642
Cathay Pacific
From $741
All Nippon Airways
From $782
ANA airlines

Find more flights and airlines

Find cheap flights from Seattle to Seoul by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Seoul.

  • Cheapest
    WestJet
    SEA
    07:00
    36h 30m
    2 transfer
    ICN
    11:30
    Seattle-Tacoma International Airport - Incheon International Airport
    Sun, May 26WestJet
    $509
  • EVA Air
    SEA
    01:30
    25h 45m
    1 transfer
    GMP
    19:15
    Seattle-Tacoma International Airport - Gimpo International Airport
    Tue, Apr 30EVA Air
    $600
  • EVA Air
    SEA
    01:30
    25h 45m
    1 transfer
    GMP
    19:15
    Seattle-Tacoma International Airport - Gimpo International Airport
    Tue, Apr 30EVA Air
    $600
    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 $1,701.
  • How long does it take to fly from Seattle (SEA) to Seoul (SEL) and what is the distance?

    It takes around 11 hours 34 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 48km. It takes about 1 hour by taxi.
    • The distance from Gimpo International Airport to downtown is about 15km. 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, Thai Airways, Etihad Airways, Singapore Airlines, Korean Air, Delta Air Lines and Asiana Airlines.

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.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Seattle to Seoul Flight Information

Cheapest nonstop flight price

$531

Cheapest round-trip ticket price

$1,271

Off-season for travel

April

Peak season for travel

October

Flight distance

8,341.99km

Average flight time

11 hours 34 minutes

Popular airline

American Airlines