London (LCY) to Phoenix (PHX) business class reward flights

PHX → LCY

Lowest seen in the last 9 daysPlus fees$425.49Program

Atmos RewardsAirline

British AirwaysDepartingThu, Oct 22

Last checked 8d agoChecked 13 Oct 2026, 23:42 UTC

Which program and airline costs you least

London to Phoenix in business class starts at 85K Atmos points plus $425.49 — British Airways through Atmos Rewards.

Every way to book LCY to PHX with miles or points
Airline	Program			Book
British Airwaysvia DUB, CLTlast seen 13 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	Fewest points85K Atmos pointsplus $425.49	Lowest fees$425.49
KLMvia AMS, ATLlast seen 8 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	127.5Kplus $809.59	$809.59

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.

LCY to PHX in business class: the facts

Over the next 60 days we hold business class seats from London to Phoenix on 19 of the 19 departure days we have checked so far (41 days are 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 13, 2026.

Atmos Rewards
Days with space
2 of 19 checked
Lowest
85,000 Atmos points
Typical day
85,000 Atmos points
Cash on top
$425 to $444
Air France-KLM Flying Blue
Days with space
19 of 19 checked
Lowest
127,500 miles
Typical day
431,000 miles
Cash on top
$810 to $842

LCY to PHX business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	2 of 19 checked	85,000 Atmos points	85,000 Atmos points	$425 to $444
Air France-KLM Flying Blue	19 of 19 checked	127,500 miles	431,000 miles	$810 to $842

Nonstop or with a connection

No nonstop seats in the window. With a connection on British Airways and KLM.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search LCY to PHX in business class on a date with space, and pay in Atmos points with the cash on top (from $425).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search LCY to PHX in business class on a date with space, and pay in miles with the cash on top (from $810).

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

More routes

Get told the moment a LCY → PHX seat opens.

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