₩561,000 Cheap Flights from Seoul (SEL) to Seattle (SEA)

View ₩561,000 flight on Thu, Nov 27, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul to Seattle (SEL-SEA)

Prices were available within the past 7 days and start at ₩561,000 for one-way flights and ₩607,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Oct 30 - Fri, Nov 7
ICN
Seoul
SEA
Seattle
₩607,600 Roundtrip, found 1 day ago
₩607,600
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, Oct 30 from Seoul to Seattle, returning Fri, Nov 7, priced at ₩607,600 found 1 day ago
Korean Air
Tue, Oct 28 - Sun, Nov 9
ICN
Seoul
SEA
Seattle
₩629,400 Roundtrip, found 4 hours ago
₩629,400
Roundtrip
found 4 hours ago
Select Korean Air flight, departing Tue, Oct 28 from Seoul to Seattle, returning Sun, Nov 9, priced at ₩629,400 found 4 hours ago
Alaska Airlines
Fri, Oct 31 - Mon, Nov 10
ICN
Seoul
SEA
Seattle
₩632,700 Roundtrip, found 19 hours ago
₩632,700
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Seoul to Seattle, returning Mon, Nov 10, priced at ₩632,700 found 19 hours ago
United
Wed, Oct 29 - Fri, Oct 31
ICN
Seoul
SEA
Seattle
₩636,900 Roundtrip, found 1 day ago
₩636,900
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 29 from Seoul to Seattle, returning Fri, Oct 31, priced at ₩636,900 found 1 day ago
Delta
Wed, Oct 29 - Tue, Nov 4
ICN
Seoul
SEA
Seattle
₩679,400 Roundtrip, just found
₩679,400
Roundtrip
just found
Select Delta flight, departing Wed, Oct 29 from Seoul to Seattle, returning Tue, Nov 4, priced at ₩679,400 just found
Air Canada
Thu, Nov 27 - Sun, Nov 30
ICN
Seoul
SEA
Seattle
₩773,200 Roundtrip, just found
₩773,200
Roundtrip
just found
Select Air Canada flight, departing Thu, Nov 27 from Seoul to Seattle, returning Sun, Nov 30, priced at ₩773,200 just found
American Airlines
Thu, Nov 20 - Mon, Nov 24
ICN
Seoul
SEA
Seattle
₩913,100 Roundtrip, found 1 day ago
₩913,100
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 20 from Seoul to Seattle, returning Mon, Nov 24, priced at ₩913,100 found 1 day ago
Hainan Airlines
Wed, Jan 28 - Thu, Feb 26
ICN
Seoul
SEA
Seattle
₩967,300 Roundtrip, found 1 day ago
₩967,300
Roundtrip
found 1 day ago
Select Hainan Airlines flight, departing Wed, Jan 28 from Seoul to Seattle, returning Thu, Feb 26, priced at ₩967,300 found 1 day ago
China Airlines
Tue, Dec 2 - Wed, Dec 10
ICN
Seoul
SEA
Seattle
₩1,155,500 Roundtrip, found 6 days ago
₩1,155,500
Roundtrip
found 6 days ago
Select China Airlines flight, departing Tue, Dec 2 from Seoul to Seattle, returning Wed, Dec 10, priced at ₩1,155,500 found 6 days ago
All Nippon Airways
Tue, Jan 13 - Tue, Jan 20
GMP
Seoul
SEA
Seattle
₩1,264,600 Roundtrip, found 5 days ago
₩1,264,600
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Jan 13 from Seoul to Seattle, returning Tue, Jan 20, priced at ₩1,264,600 found 5 days ago

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

September is typically the cheapest month to fly

From ₩473,182 - ₩990,150 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from ₩773,200
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from ₩773,200

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 ₩607,600. 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 kilometers, 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.

Travel information

Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Hawaiian Airlines, Japan Airlines, KLM, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United, WestJet
Roundtrip price
₩607,600
Distance
8326 km

Book with confidence

Incheon to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Incheon to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEL to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Incheon for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Incheon to Seattle Flights

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

Seoul to Seattle Paine Field Intl. Airport
₩2,047,700
Seoul nearby Airports

Seoul

Incheon Intl. to Seattle
₩607,600
Gimpo Intl. to Seattle
₩1,264,600
*Available to Expedia members.