NZ$1,379 Cheap Flights Seoul to Seattle (ICN-SEA)

View NZ$1,379 flight on Thu, 18 June 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$2,584 Return, found 23 hours ago
NZ$2,584
Return
found 23 hours ago
Select Asiana Airlines flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$2,584 found 23 hours ago
China Airlines
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$2,774 Return, found 23 hours ago
NZ$2,774
Return
found 23 hours ago
Select China Airlines flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$2,774 found 23 hours ago
American Airlines
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$3,331 Return, found 23 hours ago
NZ$3,331
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$3,331 found 23 hours ago
Cathay Pacific
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$3,558 Return, found 23 hours ago
NZ$3,558
Return
found 23 hours ago
Select Cathay Pacific flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$3,558 found 23 hours ago
Cathay Pacific
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$3,644 Return, found 23 hours ago
NZ$3,644
Return
found 23 hours ago
Select Cathay Pacific flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$3,644 found 23 hours ago
Cathay Pacific
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$3,674 Return, found 23 hours ago
NZ$3,674
Return
found 23 hours ago
Select Cathay Pacific flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$3,674 found 23 hours ago
Cathay Pacific
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$3,760 Return, found 23 hours ago
NZ$3,760
Return
found 23 hours ago
Select Cathay Pacific flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$3,760 found 23 hours ago
Asiana Airlines
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$4,847 Return, found 23 hours ago
NZ$4,847
Return
found 23 hours ago
Select Asiana Airlines flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$4,847 found 23 hours ago
Delta
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$4,874 Return, found 23 hours ago
NZ$4,874
Return
found 23 hours ago
Select Delta flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$4,874 found 23 hours ago
Korean Air
Thu, 18 June - Thu, 18 June
ICN
Seoul
SEA
Seattle
NZ$5,045 Return, found 23 hours ago
NZ$5,045
Return
found 23 hours ago
Select Korean Air flight, departing Thu, 18 June from Seoul to Seattle, returning Thu, 18 June, priced at NZ$5,045 found 23 hours 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 NZ$2,584. 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
American Airlines, Cathay Pacific, Delta, Korean Air
Return price
NZ$2,584
Distance
8326 km
Average flight time
-5 hours -59 mins

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