Cheap flights from San Diego to San Francisco
Fares from $18 in December 2026. Compare every month below, then book with the site you like.
Search San Diego → San Francisco flightsCheapest San Diego to San Francisco fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- October 2026Oct 31 · one way · Frontier · Direct$90See deal
- November 2026Nov 26 · one way · Frontier · Direct$23See deal
- December 2026Dec 9 · one way · Frontier · Direct$18See deal
- January 2027Jan 13 · one way · Frontier · Direct$18See deal
- June 2027Jun 13 · one way · Alaska Airlines · Direct$110See deal
San Diego to San Francisco at a glance
- Distance447 miles
- Nonstop flight timeabout 1h 30m
- Cheapest monthDecember 2026
- Airport codesSAN → SFO
Plan your San Francisco trip
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Travel guides
Frequently asked questions
- How much is a flight from San Diego to San Francisco?
- The cheapest fare we found recently is $18 per person, departing Dec 9 on Frontier. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from San Diego to San Francisco?
- December 2026 is currently the cheapest month, from $18. June 2027 is the most expensive, from $110.
- Are there direct flights from San Diego to San Francisco?
- Yes. Recent searches found nonstop fares from $18.
- Which airlines fly from San Diego to San Francisco?
- The cheapest recent fares on this route were on Frontier, Alaska Airlines.
- How long is the flight from San Diego to San Francisco?
- San Diego and San Francisco are about 447 miles apart, so a nonstop flight takes roughly 1h 30m. Flights with a stop take longer, depending on the connection.
- How do I find the cheapest flight from San Diego to San Francisco?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
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More flights to San Francisco
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- Los Angeles to San Francisco
- Chicago to San Francisco
- Miami to San Francisco
- Orlando to San Francisco
- Las Vegas to San Francisco
- Washington, D.C. to San Francisco
- Boston to San Francisco
- Atlanta to San Francisco
- Dallas to San Francisco
- Houston to San Francisco
- Seattle to San Francisco