RM1,917 Cheap Flights from Seattle (SEA) to Seoul (ICN)

View RM1,917 flight on Mon, 29 Dec 2025Opens in a new window

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

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Cheap Flights from Seattle to Seoul (SEA-ICN)

Prices were available within the past 7 days and start at RM1,917 for one-way flights and RM9,985 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM9,985 Return, found 16 hours ago
RM9,985
Return
found 16 hours ago
Select Air Canada flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM9,985 found 16 hours ago
Air Canada
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM10,302 Return, found 16 hours ago
RM10,302
Return
found 16 hours ago
Select Air Canada flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM10,302 found 16 hours ago
Korean Air
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM10,339 Return, found 16 hours ago
RM10,339
Return
found 16 hours ago
Select Korean Air flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM10,339 found 16 hours ago
Air Canada
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM10,510 Return, found 16 hours ago
RM10,510
Return
found 16 hours ago
Select Air Canada flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM10,510 found 16 hours ago
Air Canada
Sat, 20 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM10,662 Return, found 16 hours ago
RM10,662
Return
found 16 hours ago
Select Air Canada flight, departing Sat, 20 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM10,662 found 16 hours ago
Air Canada
Sat, 20 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM10,869 Return, found 16 hours ago
RM10,869
Return
found 16 hours ago
Select Air Canada flight, departing Sat, 20 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM10,869 found 16 hours ago
Korean Air
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM10,969 Return, found 16 hours ago
RM10,969
Return
found 16 hours ago
Select Korean Air flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM10,969 found 16 hours ago
United
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM11,046 Return, found 16 hours ago
RM11,046
Return
found 16 hours ago
Select United flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM11,046 found 16 hours ago
Delta
Sun, 21 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM11,371 Return, found 16 hours ago
RM11,371
Return
found 16 hours ago
Select Delta flight, departing Sun, 21 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM11,371 found 16 hours ago
Emirates
Sat, 20 Dec - Sun, 4 Jan
SEA
Seattle
ICN
Seoul
RM21,012 Return, found 16 hours ago
RM21,012
Return
found 16 hours ago
Select Emirates flight, departing Sat, 20 Dec from Seattle to Seoul, returning Sun, 4 Jan, priced at RM21,012 found 16 hours ago

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

September is typically the cheapest month to fly

From RM 3,008 - RM 3,726 per traveller.

Frequently asked questions

How much is a flight from SEA to Incheon Airport?
The lowest price advertised for a round-trip flight from SEA to ICN is RM9,985. But you better get a move on. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
The majority of flights can be cancelled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport 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 SEA to ICN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
SeaTac to South Korea is around 8,400 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from SEA to Incheon Intl. Airport (ICN)?
A leading airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport is Delta Air Lines (DL). It offers 39 flights a month. Offering 21 flights every month on this route, Korean Air (KE) is another good option.
Are Sea-Tac Airport to Incheon Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Seattle - Tacoma Intl. Airport (SEA) to ICN are available up to a year before departure on Expedia. And although you may pick up fantastic last-minute deals, it's not something you should count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, All Nippon Airways, Delta, Emirates, Korean Air, United
Return price
RM9,985
Distance
8326 km
Average flight time
27 hours 51 mins

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Perfect flights from Seattle to Seoul

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seattle to Seoul

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