Affordable DEN to SFO Flights: Your Ultimate Guide to San Francisco Travel
Cheapest flight found
$129
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the Jun 4, 2026 departure — the cheapest date we found.
Price Behavior: DEN → SFO
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$129
Highest Fare
$185
Median Fare
$155
Price Spread
$56
Prices fluctuate moderately — tracking can help you catch dips.
Cheapest month to fly: June 2026 (from $129)
Most expensive month: July 2026 (from $185)
Biggest price drop caught: $30 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Denver to San Francisco range from $129 to $185, a $56 spread across the months we track. If your dates are flexible, June 2026 tends to have the lowest fares. Prices move enough that tracking can save you money — drops often last only a few hours before the algorithm adjusts back up. We have caught drops as large as $30 between hourly checks on this route.
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From
Denver (DEN)
To
San Francisco (SFO)
Airport Information
Denver (DEN)
Denver International Airport (DEN) is a massive aviation hub famous for its white-tented roof and its position as a primary gateway to the American West. The airport features three main concourses and a highly efficient underground train system, along with various lounges and unique installations that reflect Colorado's outdoor culture and artistic spirit. It is a major base for United and Frontier airlines.
San Francisco (SFO)
San Francisco International Airport (SFO) is one of the busiest airports in the United States and serves as a major international hub for the West Coast. Located right on the water, the airport offers breathtaking views during landing and features four terminals connected by the AirTrain. It is well-regarded for its commitment to sustainability and its extensive collection of rotating art exhibits and museum displays.
Frequently Asked Questions
How long is the flight from Denver to San Francisco?
A direct flight typically takes between 2 hours and 45 minutes to 3 hours, depending on wind conditions and air traffic.
Which airlines offer direct flights from DEN to SFO?
United Airlines, Southwest Airlines, and Frontier Airlines frequently offer non-stop service between these two cities.
What is the time difference between Denver and San Francisco?
San Francisco is in the Pacific Time Zone, which is one hour behind Denver's Mountain Time Zone.
Is there a train from SFO to downtown San Francisco?
Yes, the BART (Bay Area Rapid Transit) system provides a direct connection from SFO terminals to several stops in downtown San Francisco.
How early should I arrive at Denver International Airport?
It is generally recommended to arrive at least 2 hours before your domestic flight to account for security lines and the train ride to the gates.
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Our Methodology
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How Often Do Prices Drop?
Data study: drop frequency, average savings, and how long drops last.
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