CA $577 Cheap Flights from Seoul (ICN) to Seattle (SEA)

Popular airlines from Incheon Intl. Airport (ICN) to Seattle-Tacoma International Airport (SEA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at CA $577 for one-way flights and CA $691 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
United
Hawaiian Airlines
Asiana Airlines
Delta
Korean Air
American Airlines
China Airlines
EVA Airways
WestJet

Find the cheapest month to fly from Seoul (ICN) to Seattle (SEA)

November is typically the cheapest month to fly

From CA $640 - CA $1,024 per traveller.

Graph displaying average flight prices per month

Flight from Seoul to Seattle (ICN - SEA) route information
Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Turkish Airlines, United, WestJet
Roundtrip price
CA $691
Distance
8326 km
Average flight time
-5 hours -35 mins

Incheon to Seattle Flights

The easy way to book your flights from Seoul to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Seoul 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, Delta Air Lines, Korean Air, Asiana Airlines, United Airlines, Singapore Airlines nonstop flights to Seattle - Tacoma 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 Seoul to Seattle today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Seoul to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Seoul currently is just CA $691 rising to CA $1,256.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • 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 Seattle from Seoul 

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 Seattle with Expedia today.

Frequently asked questions

How much is a flight from Incheon Intl. Airport (ICN) to Sea-Tac Airport?
Round-trip flights from ICN to Seattle - Tacoma Intl. Airport (SEA) start from CA $691. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Airport to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Airport to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines will allow you to move your flight without charging a fee. All you pay is the cost difference between flights. When looking for Incheon Airport to SEA flights, you'll see a "No change fees" filter for you to pick.
How many hours is the flight from Incheon Intl. Airport (ICN) to Sea-Tac Airport?
It takes around 19 hours to jet from Seoul–Incheon Intl. Airport to SEA. If you're hoping to get some sleep, bring your travel pillow, some earplugs and something to keep you warm.
How far is the flight from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA)?
The distance is around 8,400 kilometres. Travel pillow? Check. Noise-cancelling headphones? Double check. We recommend you pack all the travel comforts for this long-haul Incheon to SeaTac flight.
Which airlines fly direct from ICN to Sea-Tac Airport?
With 30 flights every month from Incheon Intl. Airport (ICN) to Sea-Tac Airport, Korean Air (KE) is a great choice. After more options? Check out what's available with Delta (DL). This carrier offers 30 flights a month between these airports.
Are Incheon Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get an awesome last-minute deal from ICN to SEA, but it's also possible to miss out entirely! As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you're always seeing the latest offers.

Explore a world of travel with Expedia

Seoul nearby Airports

Seoul

*Available to Expedia members.