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RM1,958 Cheap Flights from Seoul (ICN) to Seattle (SEA)

View RM1,958 flight on Thu, 9 Jul 2026Opens in a new window

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

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Cheap Flights from Seoul to Seattle (ICN-SEA)

Prices were available within the past 7 days and start at RM1,958 for one-way flights and RM3,412 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 9 Jul - Wed, 22 Jul
ICN
Seoul
SEA
Seattle
RM3,412 Return, found 4 days ago
RM3,412
Return
found 4 days ago
Select Philippine Airlines flight, departing Thu, 9 Jul from Seoul to Seattle, returning Wed, 22 Jul, priced at RM3,412 found 4 days ago
Philippine Airlines
Thu, 11 Feb - Mon, 15 Feb
ICN
Seoul
SEA
Seattle
RM3,414 Return, found 1 day ago
RM3,414
Return
found 1 day ago
Select Philippine Airlines flight, departing Thu, 11 Feb from Seoul to Seattle, returning Mon, 15 Feb, priced at RM3,414 found 1 day ago
Air Canada
Thu, 11 Feb - Mon, 15 Feb
ICN
Seoul
SEA
Seattle
RM3,554 Return, found 1 day ago
RM3,554
Return
found 1 day ago
Select Air Canada flight, departing Thu, 11 Feb from Seoul to Seattle, returning Mon, 15 Feb, priced at RM3,554 found 1 day ago
United
Thu, 9 Jul - Wed, 22 Jul
ICN
Seoul
SEA
Seattle
RM3,704 Return, found 4 days ago
RM3,704
Return
found 4 days ago
Select United flight, departing Thu, 9 Jul from Seoul to Seattle, returning Wed, 22 Jul, priced at RM3,704 found 4 days ago
Air Canada
Thu, 9 Jul - Wed, 22 Jul
ICN
Seoul
SEA
Seattle
RM3,817 Return, found 4 days ago
RM3,817
Return
found 4 days ago
Select Air Canada flight, departing Thu, 9 Jul from Seoul to Seattle, returning Wed, 22 Jul, priced at RM3,817 found 4 days ago
Delta
Thu, 9 Jul - Wed, 22 Jul
ICN
Seoul
SEA
Seattle
RM4,169 Return, found 4 days ago
RM4,169
Return
found 4 days ago
Select Delta flight, departing Thu, 9 Jul from Seoul to Seattle, returning Wed, 22 Jul, priced at RM4,169 found 4 days ago
Korean Air
Thu, 9 Jul - Wed, 22 Jul
ICN
Seoul
SEA
Seattle
RM4,169 Return, found 4 days ago
RM4,169
Return
found 4 days ago
Select Korean Air flight, departing Thu, 9 Jul from Seoul to Seattle, returning Wed, 22 Jul, priced at RM4,169 found 4 days ago
Singapore Airlines
Sat, 26 Dec - Wed, 30 Dec
ICN
Seoul
SEA
Seattle
RM5,160 Return, found 2 hours ago
RM5,160
Return
found 2 hours ago
Select Singapore Airlines flight, departing Sat, 26 Dec from Seoul to Seattle, returning Wed, 30 Dec, priced at RM5,160 found 2 hours ago
WestJet
Thu, 9 Jul - Wed, 22 Jul
ICN
Seoul
SEA
Seattle
RM5,687 Return, found 4 days ago
RM5,687
Return
found 4 days ago
Select WestJet flight, departing Thu, 9 Jul from Seoul to Seattle, returning Wed, 22 Jul, priced at RM5,687 found 4 days ago
China Airlines
Thu, 11 Feb - Mon, 15 Feb
ICN
Seoul
SEA
Seattle
RM5,732 Return, found 1 day ago
RM5,732
Return
found 1 day ago
Select China Airlines flight, departing Thu, 11 Feb from Seoul to Seattle, returning Mon, 15 Feb, priced at RM5,732 found 1 day ago

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 RM3,412. 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.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Cathay Pacific, China Airlines, Delta, KLM, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, United, WestJet
Return price
RM3,412
Distance
8326 km
Average flight time
-5 hours -31 mins

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Perfect flights from Seoul to Seattle

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*Note: Prices may vary based on availability and are subject to change.
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