Belfast (BHD) to San Francisco (SFO) business class reward flights

SFO → BHD

Lowest seen in the last 5 daysPlus fees$890.59Program

Atmos RewardsAirline

British AirwaysDepartingTue, Dec 1

Last checked 4d agoChecked 17 Oct 2026, 13:48 UTC

Which program and airline costs you least

Belfast to San Francisco in business class starts at 70K Atmos points plus $890.59 — British Airways through Atmos Rewards. KLM through Air France-KLM Flying Blue charges the least cash — $806.09 — but wants 290.5K miles.

Every way to book BHD to SFO with miles or points
Airline	Program			Book
British Airwaysvia LHRlast seen 17 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	Fewest points70K Atmos pointsplus $890.59	$890.59
KLMvia AMSlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	290.5Kplus $806.09	Lowest fees$806.09

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.

BHD to SFO in business class: the facts

Over the next 60 days we hold business class seats from Belfast to San Francisco on 45 of the 45 departure days we have checked so far (15 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 17, 2026.

Atmos Rewards
Days with space
40 of 45 checked
Lowest
70,000 Atmos points
Typical day
200,000 Atmos points
Cash on top
$450 to $896
Air France-KLM Flying Blue
Days with space
10 of 45 checked
Lowest
290,500 miles
Typical day
565,500 miles
Cash on top
$806 to $848

BHD to SFO business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	40 of 45 checked	70,000 Atmos points	200,000 Atmos points	$450 to $896
Air France-KLM Flying Blue	10 of 45 checked	290,500 miles	565,500 miles	$806 to $848

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 BHD to SFO in business class on a date with space, and pay in Atmos points with the cash on top (from $450).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search BHD to SFO in business class on a date with space, and pay in miles with the cash on top (from $806).

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

More routes

More routes from Belfast

More routes to San Francisco

Every route we watch from Belfast (BHD)

Get told the moment a BHD → SFO 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.