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

LHR → YYC

Lowest seen in the last 14 daysPlus fees$347.09Program

Atmos RewardsAirline

Alaska AirlinesDepartingSat, Nov 21

Last checked 13d agoChecked 8 Oct 2026, 21:01 UTC

Which program and airline costs you least

Calgary to London in business class starts at 55K Atmos points plus $347.09 — Alaska Airlines through Atmos Rewards.

Every way to book YYC to LHR with miles or points
Airline	Program
Alaska Airlinesvia SEAlast seen 8 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $347.09	Lowest fees$347.09
KLMvia AMSlast seen 11 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	60Kplus $385.80	$385.80
American Airlinesvia DFW, BNAlast seen 8 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	110K Atmos pointsplus $347.09	$347.09

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.

YYC to LHR in business class: the facts

Over the next 60 days we hold business class seats from Calgary to London on 59 of the 59 departure days we have checked so far (1 day is not checked yet), through 2 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 11, 2026.

Atmos Rewards
Days with space
59 of 59 checked
Lowest
55,000 Atmos points
Typical day
275,000 Atmos points
Cash on top
$78 to $347
Air France-KLM Flying Blue
Days with space
29 of 59 checked
Lowest
60,000 miles
Typical day
215,000 miles
Cash on top
$386

YYC to LHR business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	59 of 59 checked	55,000 Atmos points	275,000 Atmos points	$78 to $347
Air France-KLM Flying Blue	29 of 59 checked	60,000 miles	215,000 miles	$386

Nonstop or with a connection

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

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search YYC to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $78).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search YYC to LHR in business class on a date with space, and pay in miles with the cash on top (from $386).

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

More routes

Get told the moment a YYC → 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.