Visit San Francisco in December 2026
Everything you need to know about flying to San Francisco (SFO) in December — weather, pricing trends, and booking tips.
Weather & Conditions
December brings cold temperatures across most US cities. Pack layers and expect occasional flight delays.
Season: winter in the US
Flight Pricing Trends
Off-peak for most routes
Tip: Book 3-4 weeks ahead for the best winter deals.
Popular Routes to San Francisco in December
JFK → SFOLAX → SFOORD → SFOSEA → SFODFW → SFO
Booking Tips for December
- Set a Pointify fare alert for SFO to get notified when prices drop.
- Compare cash fares against points redemptions — December peak pricing makes points especially valuable.
- Check transfer partners like Chase Ultimate Rewards and Amex Membership Rewards for award availability to San Francisco.
- Fly mid-week (Tuesday–Thursday) for the lowest December fares to SFO.
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