CA $505 Cheap Flights from Seattle (SEA) to Seoul (SEL)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Seoul

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Cheap flights from Seattle (SEA) to Seoul (SEL)

Prices were available within the past 7 days and start at CA $505 for one-way flights and CA $989 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Delta
Alaska Airlines
Korean Air
Air Canada
Asiana Airlines
Hawaiian Airlines
United
American Airlines
EVA Airways

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Alternative airports near Seoul

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

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

November is typically the cheapest month to fly

From CA $988 - CA $1,246 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Seoul (SEL-All Airports)?
Round-trip flights from Seattle - Tacoma Intl. Airport (SEA) to Seoul (SEL-All Airports) start from CA $989. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Seoul (SEL-All Airports)?
Each air carrier has its own set of 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 SEA to Seoul (SEL-All Airports) 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-Tac Airport to Seoul (SEL-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Seoul (SEL-All Airports)?
With around 8,400 kilometers separating SeaTac and South Korea, your flight will be a long one. Pack wisely to make your journey more comfortable. Simple things like warm clothing and a quality neck pillow should be in your hand luggage.
Which airlines fly direct from Sea-Tac Airport to Seoul (SEL-All Airports)?
A leading airline that services the route from Seattle - Tacoma Intl. Airport (SEA) to Seoul (SEL-All Airports) is Delta Air Lines (DL). It offers 39 flights a month. Korean Air (KE) is another option. It operates 21 flights per month. Between these two airlines, you'll be able to find a good deal from SeaTac to South Korea.
Are Sea-Tac Airport to Seoul (SEL-All Airports) flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute flight deals between SEA and Seoul (SEL-All Airports) are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some air carriers publish their prices up to a year ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking back and be ready to lock in your seat when the price is low.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Incheon Intl.
Roundtrip price
CA $988
Distance
8326 km

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