Boston (BOS) to San Diego (SAN) economy award flights

SAN → BOS

Lowest seen in the last 3 daysPlus fees$5.60Program

Atmos RewardsAirline

Alaska AirlinesDepartingFri, Nov 6

Last checked 2d agoChecked 20 Oct 2026, 00:15 UTC

Which program and airline costs you least

Boston to San Diego in economy starts at 12.5K Atmos points plus $5.60 — Alaska Airlines through Atmos Rewards.

Every way to book BOS to SAN with miles or points
Airline	Program
Alaska AirlinesNonstopAtmos Rewards	Atmos Rewards	Fewest points12.5K Atmos pointsplus $5.60	Lowest fees$5.60
United Airlinesvia ORDLifeMiles	LifeMiles	13.5Kplus $5.60	$5.60
American Airlinesvia PHLAtmos Rewards	Atmos Rewards	17.5K Atmos pointsplus $25.60	$25.60
Delta Air Linesvia LAXAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	19Kplus $14.60	$14.60

BOS to SAN in economy: the facts

Over the next 60 days we hold economy seats from Boston to San Diego on 60 of the 60 departure days, 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 20, 2026.

Atmos Rewards
Days with space
60 of 60
Lowest
12,500 Atmos points
Typical day
17,500 Atmos points
Cash on top
$6 to $31
LifeMiles
Days with space
1 of 60
Lowest
13,500 miles
Typical day
13,500 miles
Cash on top
$6
Air France-KLM Flying Blue
Days with space
1 of 60
Lowest
19,000 miles
Typical day
19,000 miles
Cash on top
$15

BOS to SAN economy seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	60 of 60	12,500 Atmos points	17,500 Atmos points	$6 to $31
LifeMiles	1 of 60	13,500 miles	13,500 miles	$6
Air France-KLM Flying Blue	1 of 60	19,000 miles	19,000 miles	$15

Nonstop or with a connection

Nonstop seats on Alaska Airlines and Delta Air Lines. With a connection on American Airlines and United Airlines.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search BOS to SAN in economy on a date with space, and pay in Atmos points with the cash on top (from $6).
LifeMiles books on lifemiles.com: sign in there, search BOS to SAN in economy on a date with space, and pay in miles with the cash on top (from $6).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search BOS to SAN in economy on a date with space, and pay in miles with the cash on top (from $15).

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

More routes

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