Houston (IAH) to London (LGW) business class award flights

LGW → IAH

Lowest seen in the last 3 daysPlus fees$355.50Program

Air France-KLM Flying BlueLight fareAirline

Air FranceDepartingSun, Oct 25

Last checked 2d agoChecked 19 Oct 2026, 07:20 UTC

Which program and airline costs you least

Houston to London in business class starts at 239K miles plus $355.50 — Air France through Air France-KLM Flying Blue.

Every way to book IAH to LGW with miles or points
Airline	Program
Turkish Airlinesvia ISTlast seen 9 Oct, not re-checked sinceLifeMiles	LifeMiles	62.1Kplus $58.00	$58.00
Delta Air Linesvia ATL, CDGlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	138Kplus $359.60	$359.60
Air Francevia CDGAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	Fewest miles239Kplus $355.50	Lowest fees$355.50
KLMvia AMS, CDGAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	253Kplus $385.30	$385.30
Alaska Airlinesvia SEA, FRAlast seen 15 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	375K Atmos pointsplus $118.00	$118.00

Where the space is over the next 60 days

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

IAH to LGW in business class: the facts

Over the next 60 days we hold business class seats from Houston to London 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 October 19, 2026.

LifeMiles
Days with space
1 of 60
Lowest
62,100 miles
Typical day
62,100 miles
Cash on top
$58
Air France-KLM Flying Blue
Days with space
60 of 60
Lowest
138,000 miles
Typical day
239,500 miles
Cash on top
$355 to $385
Atmos Rewards
Days with space
7 of 60
Lowest
375,000 Atmos points
Typical day
375,000 Atmos points
Cash on top
$118 to $124

IAH to LGW business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
LifeMiles	1 of 60	62,100 miles	62,100 miles	$58
Air France-KLM Flying Blue	60 of 60	138,000 miles	239,500 miles	$355 to $385
Atmos Rewards	7 of 60	375,000 Atmos points	375,000 Atmos points	$118 to $124

Nonstop or with a connection

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

How to book it

LifeMiles books on lifemiles.com: sign in there, search IAH to LGW in business class on a date with space, and pay in miles with the cash on top (from $58).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search IAH to LGW in business class on a date with space, and pay in miles with the cash on top (from $355).
Atmos Rewards books on alaskaair.com: sign in there, search IAH to LGW in business class on a date with space, and pay in Atmos points with the cash on top (from $118).

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

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