S$488 Cheap Flights from Seoul to Seattle

View S$488 flight on Wed, 28 Jan, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Seattle

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Cheap Flights from Seoul to Seattle (ICN-SEA)

Prices were available within the past 7 days and start at S$488 for one-way flights and S$721 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
SEA
Seattle
S$721 Return, found 6 days ago
S$721
Return
found 6 days ago
Select Air Canada flight, departing Thu, 29 Jan from Seoul to Seattle, returning Wed, 4 Feb, priced at S$721 found 6 days ago
Air Canada
Sat, 7 Nov - Wed, 18 Nov
ICN
Seoul
SEA
Seattle
S$725 Return, found 1 day ago
S$725
Return
found 1 day ago
Select Air Canada flight, departing Sat, 7 Nov from Seoul to Seattle, returning Wed, 18 Nov, priced at S$725 found 1 day ago
United
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
SEA
Seattle
S$730 Return, found 6 days ago
S$730
Return
found 6 days ago
Select United flight, departing Thu, 29 Jan from Seoul to Seattle, returning Wed, 4 Feb, priced at S$730 found 6 days ago
United
Sat, 7 Nov - Wed, 18 Nov
ICN
Seoul
SEA
Seattle
S$731 Return, found 1 day ago
S$731
Return
found 1 day ago
Select United flight, departing Sat, 7 Nov from Seoul to Seattle, returning Wed, 18 Nov, priced at S$731 found 1 day ago
Hawaiian Airlines
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
SEA
Seattle
S$893 Return, found 6 days ago
S$893
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, 29 Jan from Seoul to Seattle, returning Wed, 4 Feb, priced at S$893 found 6 days ago
Hawaiian Airlines
Sat, 4 Apr - Sat, 18 Apr
ICN
Seoul
SEA
Seattle
S$899 Return, found 3 days ago
S$899
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, 4 Apr from Seoul to Seattle, returning Sat, 18 Apr, priced at S$899 found 3 days ago
Asiana Airlines
Fri, 29 May - Tue, 2 Jun
ICN
Seoul
SEA
Seattle
S$929 Return, found 3 days ago
S$929
Return
found 3 days ago
Select Asiana Airlines flight, departing Fri, 29 May from Seoul to Seattle, returning Tue, 2 Jun, priced at S$929 found 3 days ago
United
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
SEA
Seattle
S$946 Return, found 6 days ago
S$946
Return
found 6 days ago
Select United flight, departing Thu, 29 Jan from Seoul to Seattle, returning Wed, 4 Feb, priced at S$946 found 6 days ago
Korean Air
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
SEA
Seattle
S$953 Return, found 6 days ago
S$953
Return
found 6 days ago
Select Korean Air flight, departing Thu, 29 Jan from Seoul to Seattle, returning Wed, 4 Feb, priced at S$953 found 6 days ago
Korean Air
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
SEA
Seattle
S$1,020 Return, found 6 days ago
S$1,020
Return
found 6 days ago
Select Korean Air flight, departing Thu, 29 Jan from Seoul to Seattle, returning Wed, 4 Feb, priced at S$1,020 found 6 days ago

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

November is typically the cheapest month to fly

From S$437 - S$698 per traveller.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from S$1,078
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from S$1,078

Frequently asked questions

How much is a flight from Seoul–Incheon Intl. Airport to Sea-Tac Airport?
Start packing your bags, because round-trip flights from Seoul–Incheon Intl. Airport to SEA start from S$721. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul–Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) 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 Seoul–Incheon Intl. Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ICN to Sea-Tac Airport?
The distance is around 8,400 kilometres. Neck pillow? Check. Warm clothes? Check. We recommend you pack all the essentials for this long-haul South Korea to SeaTac flight.
Which airlines fly direct from ICN to SEA?
With 39 flights every month operating from ICN to SEA, Delta Air Lines (DL) is a top choice. Another airline operating on this route is Korean Air (KE). You'll have 21 flights every month to take your pick of.
Are Seoul–Incheon Intl. Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Sea-Tac Airport can be hit-or-miss. You may be able to score a bargain, but you could also completely miss out! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.

Travel information

Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
S$720
Distance
8326 km
Average flight time
-6 hours -57 mins

Book with confidence

Flights from Incheon to Seattle

There are several airlines that operate frequent flights from Seoul (ICN) to Seattle (SEA) including

The earliest flight leaves Incheon Intl. Airport at 17:55 and arrives at Seattle Tacoma Intl. Airport at 11:05. The last flight of the day departs Seoul at 19:20 and arrives at Seattle at 13:38.

The flight distance from Seoul to Seattle is about 8418 km, the shortest flight is 09 hours 40 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Incheon Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Incheon to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Incheon to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from Incheon to Seattle

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