Seoul skyline

Seattle (SEA) to Seoul (ICN) business class award flights

In business class from Seattle (SEA) to Seoul (ICN), the best value is also the fewest miles: 95,000 Atmos points plus $6 on Alaska Airlines through Atmos Rewards (checked 3 Nov 2026).

ICN → SEA
DateDates
CabinTravellers

Who’s flying?

Adults12 and over
1
Cabin
Best value right now95,000 Atmos pointsPlus fees$5.60ProgramAtmos RewardsAtmos RewardsAirlineAlaska AirlinesAlaska AirlinesDepartingWed, Nov 11
Last checked 2h agoChecked

Which program and airline costs you least

Seattle to Seoul in business class: is 95K Atmos points + $5.60 — Alaska Airlines through Atmos Rewards.

Every way to book SEA to ICN with miles or points
Airline
Alaska AirlinesAlaska AirlinesBest valueNonstopAtmos Rewards95K Atmos pointsplus $5.60
Philippine AirlinesPhilippine Airlinesvia MNLAtmos Rewards130K Atmos pointsplus $40.50
Delta Air LinesDelta Air LinesNonstopDelta SkyMiles302.1Kplus $5.60
Seen earlier, not re-checked since
Air CanadaAir Canadavia YVRlast seen 24 Oct, not re-checked sinceLifeMiles90Kplus $28.50

Where the space is over the next 60 days

November
Tue3445.9KWed4302.1KThu5130KFri6250KSat7330KSun8150KMon9445.9KTue10302.1KWed1195KThu12150KFri13130KSat14250KSun15130KMon16445.9KTue17302.1KWed18150KThu19150KFri20130KSat21150KSun22150KMon23360.3KTue24360.3KWed25150KThu26150KFri27130KSat28150KSun29130KMon30360.3K
December
Tue1360.3KWed2150KThu3150KFri4150KSat5150KSun6130KMon7360.3KTue8360.3KWed9150KThu10150KFri11130KSat12200KSun13150KMon14360.3KTue1590KWed16150KThu17150KFri18200KSat19200KSun20200KMon21486.8KTue22360.3KWed23150KThu24150KFri25150KSat26150KSun27150KMon28360.3KTue29360.3KWed30150KThu31150K
January
Fri1150K

Dashed days are prices last seen more than 3 days ago and not re-checked since.

SEA to ICN in business class: the facts

Over the next 60 days we hold business class seats from Seattle to Seoul on 60 of the 60 departure days, through 3 programs. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated .

  • LifeMiles
    Days with space
    1 of 60
    Lowest
    90,000 miles
    Typical day
    90,000 miles
    Cash on top
    $29
  • Atmos Rewards
    Days with space
    42 of 60
    Lowest
    95,000 Atmos points
    Typical day
    150,000 Atmos points
    Cash on top
    $6 to $41
  • Delta SkyMiles
    Days with space
    60 of 60
    Lowest
    302,100 miles
    Typical day
    376,800 miles
    Cash on top
    $6

Nonstop or with a connection

Nonstop seats on Alaska Airlines and Delta Air Lines. With a connection on Air Canada and Philippine Airlines.

How to book it

  1. LifeMiles books on lifemiles.com: sign in there, search SEA to ICN in business class on a date with space, and pay in miles with the cash on top (from $29).
  2. Atmos Rewards books on alaskaair.com: sign in there, search SEA to ICN in business class on a date with space, and pay in Atmos points with the cash on top (from $6).
  3. Delta SkyMiles books on delta.com: sign in there, search SEA to ICN in business class on a date with space, and pay in miles with the cash on top (from $6).

MilesZone finds the seat; it does not book it or take payment.

More routes

More routes from Seattle

More routes to Seoul

Every route we watch from Seattle (SEA)

Get told when a SEA → ICN seat is cheap.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Alerts and search are Pro.