Cheap Flights Out of San Francisco

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Daily spotting of fare drops, airline promos, and miles sweet spots on domestic and international routes departing SFO / OAK / SJC

Cheap Flights Out of San Francisco05/20/2026, 12:37:23 AM

Milan $624, Cartagena $441, and book Hyatt tonight

Two new international fares surfaced overnight — SAS SFO→Milan at $624 Basic Economy and Copa SFO→Cartagena at $441 Basic Economy. Domestic side: Southwest SJC/OAK→Honolulu from $200 one-way (free bags), Alaska SFO→Cabo $189 one-way. Most urgent: World of Hyatt award chart overhaul takes effect May 20 — tonight is the last window to book Category 8 properties at 40,000 points before peak pricing climbs to 55,000. Also new: Qatar Airways Privilege Club 50% Avios buy bonus (expires May 25), Chase UR→Southwest 30% transfer bonus (expires June 5), and Aeroplan 90% buy-bonus with 12 days left.

Cheap Flights Out of San Francisco05/19/2026, 12:11:08 AM

SFO Deal Radar: $236 East Coast Fares, Delta One to HKG for 85K Miles, and 13 Days Left on the Aeroplan Buy Bonus

Eight active fare windows on the board today — $236 domestic to Tampa/Raleigh-Durham/Pittsburgh, $250 to St. Thomas, $691 nonstop to Rarotonga, plus international deals to Tahiti, Santiago, and Prague. On miles: Delta One to Hong Kong for 85K SkyMiles is still findable via SFO connections, and Vietnam Airlines business class SFO to SGN opens at 68K ANA miles. Aeroplan buy-points promo (90% bonus) closes May 31 — same day as the devaluation.

Cheap Flights Out of San Francisco05/15/2026, 03:51:09 PM

SFO Deal Radar: $371 to Bogota, $696 to Singapore, and the Aeroplan Clock Is Ticking

Today's radar: two deals expiring at midnight, eight active cash fare windows led by $371 RT to Bogota and $696 nonstop to Singapore, plus a full breakdown of the Air Canada Aeroplan devaluation taking effect June 1 — SFO→Tokyo/Seoul/HKG business class costs 13–17% more in points starting Sunday.

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