London (LHR) to Calgary (YYC) business class reward flights

YYC → LHR

Lowest seen in the last 2 daysPlus fees$862.59Program

Atmos RewardsAirline

British AirwaysDepartingThu, Dec 3

Last checked 1d agoChecked 20 Oct 2026, 12:12 UTC

Which program and airline costs you least

London to Calgary in business class starts at 55K Atmos points plus $862.59 — British Airways through Atmos Rewards. Alaska Airlines through Atmos Rewards charges the least cash — $417.19 — but wants 275K Atmos points.

Every way to book LHR to YYC with miles or points
Airline	Program
British Airwaysvia SEAAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $862.59	$862.59
United Airlinesvia EWRlast seen 12 Oct, not re-checked sinceLifeMiles	LifeMiles	56.7Kplus $58.00	$58.00
Air Canadavia YUL, YYZlast seen 12 Oct, not re-checked sinceLifeMiles	LifeMiles	56.7Kplus $167.56	$167.56
KLMvia AMSAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	60Kplus $747.00	$747.00
American Airlinesvia CLT, DFWlast seen 15 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	85K Atmos pointsplus $434.19	$434.19
Etihad Airwaysvia AUHAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	135Kplus $757.70	$757.70
Air Francevia CDG, AMSAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	151.5Kplus $767.30	$767.30
Alaska Airlinesvia SEAAtmos Rewards	Atmos Rewards	275K Atmos pointsplus $417.19	Lowest fees$417.19

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.

LHR to YYC in business class: the facts

Over the next 60 days we hold business class seats from London to Calgary on 59 of the 59 departure days we have checked so far (1 day is 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 21, 2026.

Atmos Rewards
Days with space
20 of 59 checked
Lowest
55,000 Atmos points
Typical day
110,000 Atmos points
Cash on top
$402 to $863
LifeMiles
Days with space
4 of 59 checked
Lowest
56,700 miles
Typical day
56,700 miles
Cash on top
$58 to $168
Air France-KLM Flying Blue
Days with space
59 of 59 checked
Lowest
60,000 miles
Typical day
218,000 miles
Cash on top
$747 to $758

LHR to YYC business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	20 of 59 checked	55,000 Atmos points	110,000 Atmos points	$402 to $863
LifeMiles	4 of 59 checked	56,700 miles	56,700 miles	$58 to $168
Air France-KLM Flying Blue	59 of 59 checked	60,000 miles	218,000 miles	$747 to $758

Nonstop or with a connection

No nonstop seats in the window. With a connection on Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Etihad Airways, KLM and United Airlines.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search LHR to YYC in business class on a date with space, and pay in Atmos points with the cash on top (from $402).
LifeMiles books on lifemiles.com: sign in there, search LHR to YYC 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 LHR to YYC in business class on a date with space, and pay in miles with the cash on top (from $747).

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

More routes

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