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Cheap flights from St Augustine to San Francisco (UST - SFO)

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How to find the cheapest flight from
St Augustine (UST) to San Francisco (SFO)

How far in advance should I book a flight from St Augustine to San Francisco?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 7% on flights from St Augustine to San Francisco compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $99. For sooner than that we have options available in the next 3 days from $105.

What is the cheapest month to fly from St Augustine to San Francisco?

Our data shows that August tends to be the cheapest month to fly to San Francisco from St Augustine. Users have commonly found prices around $108 for the month, but tickets can be as low as $48. Due to multiple factors, prepare for potentially higher prices in June.

Related info for your journey

Flight FAQs

From St Augustine to San Francisco

Are flight prices decreasing from St Augustine to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Augustine and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Is St Augustine weather warmer or cooler than San Francisco?

Temperatures around the 93 °F's can be experienced in July. The weather in San Francisco is colder than in St Augustine. Plan for potential changes in flight availability as peak weather approaches in this location.

Alternative routes for St Augustine to San Francisco

Destination information for San Francisco

Average temperature for January in San Francisco
59.0 °F
Avg rainfall for January in San Francisco
2.2 ″

Airports servicing St. Augustine

Airports servicing San Francisco

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