San Francisco (SFO) to London (LGW) business class award flights

LGW → SFO

Lowest seen in the last 2 daysPlus fees$45.00Program

Atmos RewardsAirline

Alaska AirlinesDepartingFri, Nov 6

Last checked 1d agoChecked 20 Oct 2026, 17:59 UTC

Which program and airline costs you least

San Francisco to London in business class starts at 85K Atmos points plus $45.00 — Alaska Airlines through Atmos Rewards.

Every way to book SFO to LGW with miles or points
Airline	Program
Alaska Airlinesvia LAX, CMNAtmos Rewards	Atmos Rewards	Fewest points85K Atmos pointsplus $45.00	Lowest fees$45.00
Air Francevia CDGlast seen 10 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	119.5Kplus $355.10	$355.10
KLMvia AMS, CDGlast seen 18 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	262Kplus $385.30	$385.30
Delta Air Linesvia LAX, CDGlast seen 18 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	571Kplus $360.00	$360.00

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.

SFO to LGW in business class: the facts

Over the next 60 days we hold business class seats from San Francisco to London on 52 of the 52 departure days we have checked so far (8 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 20, 2026.

Atmos Rewards
Days with space
34 of 52 checked
Lowest
85,000 Atmos points
Typical day
375,000 Atmos points
Cash on top
$44 to $124
Air France-KLM Flying Blue
Days with space
40 of 52 checked
Lowest
119,500 miles
Typical day
448,000 miles
Cash on top
$355 to $387

SFO to LGW business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	34 of 52 checked	85,000 Atmos points	375,000 Atmos points	$44 to $124
Air France-KLM Flying Blue	40 of 52 checked	119,500 miles	448,000 miles	$355 to $387

Nonstop or with a connection

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

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search SFO to LGW in business class on a date with space, and pay in Atmos points with the cash on top (from $44).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search SFO to LGW in business class on a date with space, and pay in miles with the cash on top (from $355).

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

More routes

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Every route we watch from San Francisco (SFO)

Get told the moment a SFO → LGW seat opens.

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