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Cheap flights from San Francisco to Denver

Fares from $45 in February 2027. Compare every month below, then book with the site you like.

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Cheapest San Francisco to Denver fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

San Francisco to Denver at a glance

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Frequently asked questions

How much is a flight from San Francisco to Denver?
The cheapest fare we found recently is $45 per person, departing Feb 23 on Frontier. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from San Francisco to Denver?
February 2027 is currently the cheapest month, from $45. November 2026 is the most expensive, from $118.
Are there direct flights from San Francisco to Denver?
Yes. Recent searches found nonstop fares from $45.
Which airlines fly from San Francisco to Denver?
The cheapest recent fares on this route were on Frontier.
How long is the flight from San Francisco to Denver?
San Francisco and Denver are about 965 miles apart, so a nonstop flight takes roughly 2h 45m. Flights with a stop take longer, depending on the connection.
How do I find the cheapest flight from San Francisco to Denver?
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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