S$636 Cheap Flights from Seoul to Seattle

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Cheap Flights from Seoul to Seattle (SEL-SEA)

Prices were available within the past 7 days and start at S$636 for one-way flights and S$873 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Thu, 20 Mar - Wed, 26 Mar
ICN
Seoul
SEA
Seattle
S$873 Return, found 4 days ago
S$873
Return
found 4 days ago
Select Asiana Airlines flight, departing Thu, 20 Mar from Seoul to Seattle, returning Wed, 26 Mar, priced at S$873 found 4 days ago
Korean Air
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
SEA
Seattle
S$878 Return, found 19 hours ago
S$878
Return
found 19 hours ago
Select Korean Air flight, departing Thu, 13 Mar from Seoul to Seattle, returning Wed, 26 Mar, priced at S$878 found 19 hours ago
Delta
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
SEA
Seattle
S$878 Return, found 19 hours ago
S$878
Return
found 19 hours ago
Select Delta flight, departing Thu, 13 Mar from Seoul to Seattle, returning Wed, 26 Mar, priced at S$878 found 19 hours ago
Delta
Wed, 19 Mar - Tue, 1 Apr
ICN
Seoul
SEA
Seattle
S$888 Return, found 4 days ago
S$888
Return
found 4 days ago
Select Delta flight, departing Wed, 19 Mar from Seoul to Seattle, returning Tue, 1 Apr, priced at S$888 found 4 days ago
Air Canada
Sat, 17 May - Fri, 23 May
ICN
Seoul
SEA
Seattle
S$1,014 Return, found 4 days ago
S$1,014
Return
found 4 days ago
Select Air Canada flight, departing Sat, 17 May from Seoul to Seattle, returning Fri, 23 May, priced at S$1,014 found 4 days ago
Asiana Airlines
Wed, 4 Jun - Thu, 12 Jun
ICN
Seoul
SEA
Seattle
S$1,079 Return, found 6 days ago
S$1,079
Return
found 6 days ago
Select Asiana Airlines flight, departing Wed, 4 Jun from Seoul to Seattle, returning Thu, 12 Jun, priced at S$1,079 found 6 days ago
Jeju Air
Thu, 3 Apr - Mon, 7 Apr
ICN
Seoul
SEA
Seattle
S$1,088 Return, found 4 days ago
S$1,088
Return
found 4 days ago
Select Jeju Air flight, departing Thu, 3 Apr from Seoul to Seattle, returning Mon, 7 Apr, priced at S$1,088 found 4 days ago
WestJet
Sat, 17 May - Fri, 23 May
ICN
Seoul
SEA
Seattle
S$1,158 Return, found 4 days ago
S$1,158
Return
found 4 days ago
Select WestJet flight, departing Sat, 17 May from Seoul to Seattle, returning Fri, 23 May, priced at S$1,158 found 4 days ago
United
Fri, 14 Mar - Sat, 22 Mar
ICN
Seoul
SEA
Seattle
S$1,231 Return, found 4 days ago
S$1,231
Return
found 4 days ago
Select United flight, departing Fri, 14 Mar from Seoul to Seattle, returning Sat, 22 Mar, priced at S$1,231 found 4 days ago
Hawaiian Airlines
Wed, 4 Jun - Thu, 12 Jun
ICN
Seoul
SEA
Seattle
S$1,257 Return, found 6 days ago
S$1,257
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, 4 Jun from Seoul to Seattle, returning Thu, 12 Jun, priced at S$1,257 found 6 days ago
Seoul to Seattle route information
Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Asiana Airlines, China Airlines, Delta, EVA Airways, Japan Airlines, Korean Air, United
Return price
S$873
Distance
8326 km

Flights from Incheon to Seattle

When looking for plane tickets from Incheon to Seattle, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Seattle. Look for SEL to SEA airfare with the assurance that you have the largest online travel agency working for you.

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!

Frequently asked questions

How much is a flight from Seoul (SEL-All Airports) to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between Seoul (SEL-All Airports) and Seattle - Tacoma Intl. Airport (SEA) was S$873. Fares this cheap don’t stick around for long, so make sure you book yours ASAP. 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 (SEL-All Airports) to Sea-Tac Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Seoul (SEL-All Airports) to 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 (SEL-All Airports) to SEA flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seoul (SEL-All Airports) to Sea-Tac Airport?
The distance is around 8,400 kilometres, so pack your carry-on bag with whatever you need to make your journey comfortable. Not sure what to take on board your South Korea to SeaTac flight? Earplugs, a sleep mask and a neck pillow are a few essentials.
Which airlines fly direct from Seoul (SEL-All Airports) to Sea-Tac Airport?
Delta Air Lines (DL) is a top choice. It operates 39 flights from Seoul (SEL-All Airports) to SEA each month. You could also have a look at the fares on offer with Korean Air (KE). It operates 21 monthly flights between South Korea and SeaTac.
Are Seoul (SEL-All Airports) to SEA flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some of the cheapest fares from Seoul (SEL-All Airports) to Sea-Tac Airport cropping up a few weeks before the date of departure. If you’d rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.
*Available to Expedia members.