$638 Cheap Flights from Seoul to Seattle

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Incheon Intl. to Seattle - Tacoma Intl.

Amazing ICN to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $987 round trip and $638 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for ICN to SEA

CarrierFlightDepart ICNArrive SEASat
DL28802:50 pm09:10 amCheck Fare
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KE1904:30 pm10:30 amCheck FareCheck FareCheck Fare
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DL19607:20 pm01:35 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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OZ27206:00 pm00:30 pm
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0 Stops

Frequently asked questions

Can I catch a flight from Incheon Airport to Sea-Tac Airport right now?
For any present Seattle - Tacoma Intl. Airport (SEA) travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught up.
Are there direct flights from Incheon Intl. Airport (ICN) to Sea-Tac Airport?
Start your getaway relaxed and calm and head straight to Sea-Tac Airport from Incheon Airport. Korean Air and Delta are among the airlines that offer nonstop services on this route.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to SEA, please visit our Customer Service Portal.
How long is the flight from ICN to Seattle - Tacoma Intl. Airport (SEA)?
It takes about 17 hours and 22 minutes to get from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA). For this lengthy flight, you’ll benefit from being as comfortable as possible. Think about bringing a travel pillow for improved sleep, packing some healthy snacks and wearing comfortable clothes.
What is the flight distance from Seoul--Incheon Intl. Airport to SEA?
You’ll have flown 5,200 mi by the time you’ve left the runway at Incheon Intl. Airport (ICN) and touched down at Seattle - Tacoma Intl. Airport (SEA). Make sure to bring plenty to keep you entertained — it’s going to be a long flight.
What airlines fly from Incheon Intl. Airport (ICN) to SEA?
If you’re going to Seattle from Incheon, there are several airlines that have direct flights. One of the most popular is Korean Air (KE), which offers 30 flights every month. It’s a good idea to also look into the deals available through Delta (DL). Another well-known airline, it operates 21 flights monthly on the Incheon to Seattle route. Compare the two to pick up the best fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Incheon Intl.
Traveling To Seattle - Tacoma Intl.
Shortest Flight Time 10 hours 0 mins
Earliest Departure Time 4:30PM KST
Latest Departure Time 7:20PM KST
Lowest Flight Price $987

Route Info

Flight path for flights from Incheon International Airport to Seattle-Tacoma International Airport

5,232.00 miles

Airlines & Aircraft Used on ICN to SEA Flight Routes

Airline Carrier
Korean Air
Airbus A319

Discover our best flights from Seoul ICN to Seattle SEA. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Seoul ICN to Seattle SEA at the right price  

Airfares to Seattle SEA from Seoul ICN currently cost between $987 and $1,047. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Seoul ICN to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seoul ICN to Seattle SEA on Travelocity starting at $638. Prices and availability subject to change. Additional terms may apply. 


Get to Seattle SEA from Seoul ICN quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from ICN to take around 10 hour(s) 0 min(s).  


Find our cheapest airfares for flights from Seoul ICN to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from ICN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Seoul ICN to Seattle SEA today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from Seoul ICN to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Seattle SEA from Seoul ICN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from ICN have this option.  


Travel with confidence when you book flights to Seattle SEA from Seoul ICN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.