London skyline

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

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

Filters

Programmes
Also show, besides Business
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length
Cheapest right now55,000 Atmos pointsPlus fees$1,004.00ProgramAtmos RewardsAtmos RewardsAirlineBritish AirwaysBritish AirwaysDepartingFri, Oct 23
Last checked 20h agoChecked

Which program and airline costs you least

Houston to London in business class starts at 55K Atmos points plus $1,004.00 — British Airways through Atmos Rewards. Alaska Airlines through Atmos Rewards charges the least cash — $5.60 — but wants 195K Atmos points.

Every way to book IAH to LHR with miles or points
Airline
British AirwaysBritish AirwaysNonstopAtmos Rewards55K Atmos pointsplus $1,004.00
Air FranceAir Francevia CDGAir France-KLM Flying Blue60Kplus $355.60
KLMKLMvia AMSAir France-KLM Flying Blue60Kplus $366.20
American AirlinesAmerican Airlinesvia CLTAtmos Rewards70K Atmos pointsplus $25.60
United AirlinesUnited Airlinesvia EWRlast seen 12 Oct, not re-checked sinceLifeMiles72Kplus $25.30
Air CanadaAir Canadavia YYZlast seen 12 Oct, not re-checked sinceLifeMiles72Kplus $30.40
LufthansaLufthansavia FRAlast seen 10 Oct, not re-checked sinceUnited MileagePlus88Kplus $49.40
British AirwaysBritish AirwaysNonstopBritish Airways Club99K AviosFees not quoted
JetBlueJetBluevia JFKlast seen 12 Oct, not re-checked sinceUnited MileagePlus120Kplus $5.60
Alaska AirlinesAlaska Airlinesvia SEAAtmos Rewards195K Atmos pointsplus $5.60
United AirlinesUnited Airlinesvia DCA → IAD (change airports)last seen 12 Oct, not re-checked sinceUnited MileagePlus200Kplus $5.60
Delta Air LinesDelta Air Linesvia MSPDelta SkyMiles450.5Kplus $5.60

IAH to LHR in business class: the facts

Over the next 60 days we hold business class seats from Houston to London on 39 of the 60 departure days, through 6 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 .

  • Atmos Rewards
    Days with space
    36 of 60
    Lowest
    55,000 Atmos points
    Typical day
    350,000 Atmos points
    Cash on top
    $6 to $1,524
  • Air France-KLM Flying Blue
    Days with space
    38 of 60
    Lowest
    60,000 miles
    Typical day
    239,000 miles
    Cash on top
    $356 to $366
  • LifeMiles
    Days with space
    11 of 60
    Lowest
    72,000 miles
    Typical day
    72,000 miles
    Cash on top
    $25 to $64
  • United MileagePlus
    Days with space
    39 of 60
    Lowest
    88,000 miles
    Typical day
    200,000 miles
    Cash on top
    $6 to $49
  • British Airways Club
    Days with space
    5 of 60
    Lowest
    99,000 Avios
    Typical day
    99,000 Avios
    Cash on top
    Not quoted
  • Delta SkyMiles
    Days with space
    2 of 60
    Lowest
    450,500 miles
    Typical day
    450,500 miles
    Cash on top
    $6

Nonstop or with a connection

Nonstop seats on British Airways and United Airlines. With a connection on Air Canada, Air France, Alaska Airlines, American Airlines, Delta Air Lines, JetBlue, KLM and Lufthansa.

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search IAH to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $6).
  2. Air France-KLM Flying Blue books on airfrance.fr: sign in there, search IAH to LHR in business class on a date with space, and pay in miles with the cash on top (from $356).
  3. LifeMiles books on lifemiles.com: sign in there, search IAH to LHR in business class on a date with space, and pay in miles with the cash on top (from $25).
  4. United MileagePlus books on united.com: sign in there, search IAH to LHR in business class on a date with space, and pay in miles with the cash on top (from $6).
  5. British Airways Club books on avios.com: sign in there, search IAH to LHR in business class on a date with space, and pay in Avios with the cash on top.
  6. Delta SkyMiles books on delta.com: sign in there, search IAH to LHR 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.

Get told the moment a IAH → LHR 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.