$519 Cheap flights from Incheon Intl. to Seattle - Tacoma Intl. (ICN to SEA)

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

Compare Flight Prices from Seoul to Seattle

Affordable Airfare Tickets from ICN to SEA Airport

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $478 round trip and $519 one way. Prices and availability subject to change. Additional terms may apply.

Wed, May 28 - Wed, Jun 4
ICN
Seoul
SEA
Seattle
$478 Roundtrip, just found
$478
Roundtrip
just found
Select Asiana Airlines flight, departing Wed, May 28 from Seoul to Seattle, returning Wed, Jun 4, priced at $478 just found
Tue, May 27 - Wed, Jul 23
ICN
Seoul
SEA
Seattle
$479 Roundtrip, found 1 day ago
$479
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Tue, May 27 from Seoul to Seattle, returning Wed, Jul 23, priced at $479 found 1 day ago
Mon, May 5 - Sun, May 18
ICN
Seoul
SEA
Seattle
$479 Roundtrip, just found
$479
Roundtrip
just found
Select Korean Air flight, departing Mon, May 5 from Seoul to Seattle, returning Sun, May 18, priced at $479 just found
Fri, May 30 - Mon, Jun 2
ICN
Seoul
SEA
Seattle
$480 Roundtrip, found 1 day ago
$480
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, May 30 from Seoul to Seattle, returning Mon, Jun 2, priced at $480 found 1 day ago
Sat, May 10 - Sun, May 11
ICN
Seoul
SEA
Seattle
$481 Roundtrip, found 2 days ago
$481
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, May 10 from Seoul to Seattle, returning Sun, May 11, priced at $481 found 2 days ago
Mon, May 5 - Sun, May 18
ICN
Seoul
SEA
Seattle
$565 Roundtrip, just found
$565
Roundtrip
just found
Select Asiana Airlines flight, departing Mon, May 5 from Seoul to Seattle, returning Sun, May 18, priced at $565 just found
Sun, May 18 - Sat, May 24
ICN
Seoul
SEA
Seattle
$565 Roundtrip, found 2 hours ago
$565
Roundtrip
found 2 hours ago
Select Asiana Airlines flight, departing Sun, May 18 from Seoul to Seattle, returning Sat, May 24, priced at $565 found 2 hours ago
Tue, Sep 9 - Thu, Nov 6
ICN
Seoul
SEA
Seattle
$589 Roundtrip, found 8 hours ago
$589
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Tue, Sep 9 from Seoul to Seattle, returning Thu, Nov 6, priced at $589 found 8 hours ago
Tue, Nov 18 - Mon, Feb 9
ICN
Seoul
SEA
Seattle
$823 Roundtrip, found 2 days ago
$823
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from Seoul to Seattle, returning Mon, Feb 9, priced at $823 found 2 days ago
Wed, Aug 27 - Tue, Sep 9
ICN
Seoul
SEA
Seattle
$831 Roundtrip, found 5 hours ago
$831
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Seoul to Seattle, returning Tue, Sep 9, priced at $831 found 5 hours ago

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.

Flight information from Seoul to Seattle

 

Traveling From
Incheon Intl.
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
10 hours 0 mins
Earliest Departure Time
4:40PM KST
Latest Departure Time
7:20PM KST
Lowest Flight Price
$478

Route Info

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


Origin:
ICN - Incheon International Airport
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
5,232.00 miles


Airlines & Aircraft Used on ICN to SEA Flight Routes


Airline Carrier
Aircraft
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 $478 and $831. 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 $519. 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, May 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.