Houston (IAH) to Seoul (ICN) business class award flights

ICN → IAH

Lowest seen in the last 2 daysPlus fees$5.60Program

LifeMilesAirline

United AirlinesDepartingMon, Nov 2

Last checked 1d agoChecked 20 Oct 2026, 10:13 UTC

Which program and airline costs you least

Houston to Seoul in business class starts at 90K miles plus $5.60 — United Airlines through LifeMiles.

Every way to book IAH to ICN with miles or points
Airline	Program
United Airlinesvia DEN, SFOLifeMiles	LifeMiles	Fewest miles90Kplus $5.60	Lowest fees$5.60
Air Francevia CDGAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	115Kplus $699.00	$699.00
KLMvia AMSAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	115Kplus $700.10	$700.10
Alaska Airlinesvia SEAAtmos Rewards	Atmos Rewards	400K Atmos pointsplus $5.60	$5.60

IAH to ICN in business class: the facts

Over the next 60 days we hold business class seats from Houston to Seoul on 52 of the 52 departure days we have checked so far (8 days are not checked yet), 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 October 20, 2026.

LifeMiles
Days with space
1 of 52 checked
Lowest
90,000 miles
Typical day
90,000 miles
Cash on top
$6
Air France-KLM Flying Blue
Days with space
52 of 52 checked
Lowest
115,000 miles
Typical day
505,500 miles
Cash on top
$699 to $700
Atmos Rewards
Days with space
1 of 52 checked
Lowest
400,000 Atmos points
Typical day
400,000 Atmos points
Cash on top
$6

IAH to ICN business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
LifeMiles	1 of 52 checked	90,000 miles	90,000 miles	$6
Air France-KLM Flying Blue	52 of 52 checked	115,000 miles	505,500 miles	$699 to $700
Atmos Rewards	1 of 52 checked	400,000 Atmos points	400,000 Atmos points	$6

Nonstop or with a connection

No nonstop seats in the window. With a connection on Air France, Alaska Airlines, KLM and United Airlines.

How to book it

LifeMiles books on lifemiles.com: sign in there, search IAH to ICN in business class on a date with space, and pay in miles with the cash on top (from $6).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search IAH to ICN in business class on a date with space, and pay in miles with the cash on top (from $699).
Atmos Rewards books on alaskaair.com: sign in there, search IAH to ICN in business class on a date with space, and pay in Atmos points with the cash on top (from $6).

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

More routes

Get told the moment a IAH → ICN seat opens.

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

Email only. Searching this route stays free for departures in the next 60 days.