CA $724 Cheap Flights from Seattle (SEA) to Seoul (ICN)

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Cheap flights from Seattle (SEA) to Seoul (ICN)

Prices were available within the past 7 days and start at CA $724 for one-way flights and CA $1,441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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China Airlines
Air Canada
EVA Airways
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Hawaiian Airlines
Korean Air
Delta
Flight from Seattle to Seoul (SEA - ICN) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, China Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Finnair, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, WestJet
Roundtrip price
CA $1,440
Distance
8326 km
Average flight time
27 hours 43 mins

Seattle to Incheon Flights

The easy way to book your flights from Seattle to Seoul 

With Expedia, it’s simple to find and book flights to Seoul from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Thai Airways International, Etihad Airways, Delta Air Lines, Korean Air, Asiana Airlines, United Airlines, Singapore Airlines nonstop flights to Incheon Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Seoul today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Incheon Intl., ICN 

Sort your search results by price to find great deals on your flight from Seattle to Seoul—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seoul from Seattle currently is just CA $1,441 rising to CA $1,864.  

Here are more money-saving tips: 

  • Fly in March when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seoul  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seoul from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seoul with Expedia today.

Frequently asked questions

How much is a flight from SEA to Incheon Airport?
The lowest price advertised for a round-trip flight from SEA to ICN is CA $1,441. But you better get a move on. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
The majority of flights can be canceled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to ICN flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
SeaTac to South Korea is around 8,400 kilometers, so get ready to spend quite a while in the air. Don’t forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from SEA to Incheon Intl. Airport (ICN)?
A leading airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport is Delta Air Lines (DL). It offers 39 flights a month. Offering 21 flights every month on this route, Korean Air (KE) is another good option.
Are Sea-Tac Airport to Incheon Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Seattle - Tacoma Intl. Airport (SEA) to ICN are available up to a year before departure on Expedia. And although you may pick up fantastic last-minute deals, it’s not something you should count on. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid landing the dreaded middle seat! We’re constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
Seoul nearby Airports

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