Flights from Seoul to Seattle

ICNSEA

Incheon International Airport (Seoul, South Korea) → Seattle–Tacoma International Airport (Seattle, United States)

Also known as Seoul.

Nonstop
9h 50m
Distance
8,373 km
Frequency
7×/week
One-way from
$470
Airlines
Alaska Airlines, Delta Air Lines, Korean Air
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • KE4116:10→09:059h 55mKorean Air
  • DL783716:10→09:059h 55mDelta Air Lines
  • DL19618:45→11:5110h 6mDelta Air Lines
  • KE501918:45→11:5110h 6mKorean Air
  • AS12020:00→12:559h 55mAlaska Airlines
  • DL679321:20→14:109h 50mDelta Air Lines
  • KE4721:20→14:109h 50mKorean Air

Tuesday

  • KE4116:10→09:059h 55mKorean Air
  • DL19618:45→11:5110h 6mDelta Air Lines
  • KE4721:20→14:109h 50mKorean Air

Wednesday

  • KE4116:10→09:059h 55mKorean Air
  • DL19618:45→11:5110h 6mDelta Air Lines

Thursday

  • KE4116:10→09:059h 55mKorean Air
  • DL19618:45→11:5110h 6mDelta Air Lines
  • AS12020:00→12:559h 55mAlaska Airlines
  • KE4721:20→14:109h 50mKorean Air

Friday

  • KE4116:10→09:059h 55mKorean Air
  • DL19618:45→11:5110h 6mDelta Air Lines
  • AS12020:00→12:559h 55mAlaska Airlines
  • KE4721:20→14:109h 50mKorean Air

Saturday

  • KE4116:10→09:059h 55mKorean Air
  • DL19618:45→11:5110h 6mDelta Air Lines
  • AS12020:00→12:559h 55mAlaska Airlines

Sunday

  • KE4116:10→09:059h 55mKorean Air
  • DL19618:45→11:5110h 6mDelta Air Lines
  • AS12020:00→12:559h 55mAlaska Airlines
  • KE4721:20→14:109h 50mKorean Air

Seoul to Seattle — frequently asked

How long is the flight from Seoul to Seattle?
ICN–SEA is 9h 50m nonstop, covering 8,373 km (5,203 mi).
Which airlines fly nonstop from Seoul to Seattle?
Alaska Airlines, Delta Air Lines, Korean Air operate this route nonstop.
How much is a flight from Seoul to Seattle?
One-way fares on ICN–SEA recently started from $470. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
How often do flights run from Seoul to Seattle?
The route is served 7 days a week (27 scheduled departures).