Washington (DCA) to San Diego (SAN) economy award flights

SAN → DCA

Lowest seen in the last 2 daysPlus fees$5.60Program

LifeMilesAirline

United AirlinesDepartingSat, Oct 24

Last checked 1d agoChecked 21 Oct 2026, 00:39 UTC

Which program and airline costs you least

Washington to San Diego in economy starts at 13.5K miles plus $5.60 — United Airlines through LifeMiles.

Every way to book DCA to SAN with miles or points
Airline	Program
Alaska AirlinesNonstoplast seen 19 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	12.5K Atmos pointsplus $5.60	$5.60
United Airlinesvia IAHLifeMiles	LifeMiles	Fewest miles13.5Kplus $5.60	Lowest fees$5.60
Delta Air Linesvia DTWlast seen 13 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	17.5Kplus $14.60	$14.60
American Airlinesvia PHLlast seen 18 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	17.5K Atmos pointsplus $25.60	$25.60

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.

DCA to SAN in economy: the facts

Over the next 60 days we hold economy seats from Washington 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 21, 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
48 of 60
Lowest
13,500 miles
Typical day
13,500 miles
Cash on top
$6 to $58
Air France-KLM Flying Blue
Days with space
13 of 60
Lowest
17,500 miles
Typical day
17,500 miles
Cash on top
$15

DCA 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	48 of 60	13,500 miles	13,500 miles	$6 to $58
Air France-KLM Flying Blue	13 of 60	17,500 miles	17,500 miles	$15

Nonstop or with a connection

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

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search DCA 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 DCA 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 DCA 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

Get told the moment a DCA → SAN 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.