NZ$651 Cheap Flights Seoul to Seattle (SEL-SEA)

View NZ$651 flight on Wed, 18 Mar 2026Opens in a new window

Popular airlines from Seoul to Seattle, WA (SEA-Seattle - Tacoma Intl.)

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Cheap Flights from Seoul (SEL) 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.

United
Fri, 26 Dec - Tue, 30 Dec
ICN
Seoul
SEA
Seattle
NZ$967 Return, found 2 days ago
NZ$967
Return
found 2 days ago
Select United flight, departing Fri, 26 Dec from Seoul to Seattle, returning Tue, 30 Dec, priced at NZ$967 found 2 days ago
United
Wed, 18 Mar - Sat, 21 Mar
ICN
Seoul
SEA
Seattle
NZ$1,151 Return, found 5 days ago
NZ$1,151
Return
found 5 days ago
Select United flight, departing Wed, 18 Mar from Seoul to Seattle, returning Sat, 21 Mar, priced at NZ$1,151 found 5 days ago
Korean Air
Wed, 18 Mar - Sat, 21 Mar
ICN
Seoul
SEA
Seattle
NZ$1,181 Return, found 5 days ago
NZ$1,181
Return
found 5 days ago
Select Korean Air flight, departing Wed, 18 Mar from Seoul to Seattle, returning Sat, 21 Mar, priced at NZ$1,181 found 5 days ago
Alaska Airlines
Mon, 22 Dec - Sat, 27 Dec
ICN
Seoul
SEA
Seattle
NZ$1,185 Return, found 5 days ago
NZ$1,185
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 22 Dec from Seoul to Seattle, returning Sat, 27 Dec, priced at NZ$1,185 found 5 days ago
United
Fri, 26 Dec - Tue, 30 Dec
ICN
Seoul
SEA
Seattle
NZ$1,217 Return, found 2 days ago
NZ$1,217
Return
found 2 days ago
Select United flight, departing Fri, 26 Dec from Seoul to Seattle, returning Tue, 30 Dec, priced at NZ$1,217 found 2 days ago
Korean Air
Fri, 26 Dec - Tue, 30 Dec
ICN
Seoul
SEA
Seattle
NZ$1,263 Return, found 2 days ago
NZ$1,263
Return
found 2 days ago
Select Korean Air flight, departing Fri, 26 Dec from Seoul to Seattle, returning Tue, 30 Dec, priced at NZ$1,263 found 2 days ago
Delta
Fri, 26 Dec - Tue, 30 Dec
ICN
Seoul
SEA
Seattle
NZ$1,263 Return, found 2 days ago
NZ$1,263
Return
found 2 days ago
Select Delta flight, departing Fri, 26 Dec from Seoul to Seattle, returning Tue, 30 Dec, priced at NZ$1,263 found 2 days ago
Air Canada
Wed, 18 Mar - Sat, 21 Mar
ICN
Seoul
SEA
Seattle
NZ$1,293 Return, found 5 days ago
NZ$1,293
Return
found 5 days ago
Select Air Canada flight, departing Wed, 18 Mar from Seoul to Seattle, returning Sat, 21 Mar, priced at NZ$1,293 found 5 days ago
Delta
Fri, 26 Dec - Tue, 30 Dec
ICN
Seoul
SEA
Seattle
NZ$1,352 Return, found 2 days ago
NZ$1,352
Return
found 2 days ago
Select Delta flight, departing Fri, 26 Dec from Seoul to Seattle, returning Tue, 30 Dec, priced at NZ$1,352 found 2 days ago
United
Fri, 26 Dec - Tue, 30 Dec
ICN
Seoul
SEA
Seattle
NZ$1,392 Return, found 2 days ago
NZ$1,392
Return
found 2 days ago
Select United flight, departing Fri, 26 Dec from Seoul to Seattle, returning Tue, 30 Dec, priced at NZ$1,392 found 2 days ago
Flight from Seoul to Seattle route information
Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
NZ$967
Distance
8326 km

SEL to SEA Flights

Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from Incheon to Seattle, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute SEL to SEA flights, you’ll still save a bundle when compared to the competition.

See for yourself how simple it is to book the holiday of your dreams to Seattle by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.

Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to Seattle from Incheon, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.

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 NZ$967. 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.

Explore a world of travel with Expedia

Seoul Airports

Seoul

Incheon Intl. to Seattle
NZ$966.70
*Available to Expedia members.