Denver, CO to San Francisco, CA flights from $70

Flights starting at $70. Choose between United Airlines, Frontier Airlines, or Spirit Airlines to find the best price.

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Travelers usually depart from Denver International, Denver Union Station, or Rocky Mountain Metropolitan Airport when they travel from Denver to San Francisco. Book your trip to arrive at San Francisco International, San Francisco, CA Bus Stop, San Francisco, CA - Salesforce Plaza, San Francisco, CA Train Station, or San Francisco, CA - Fisherman’s Wharf. The distance between Denver and San Francisco is 1555 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Spirit Airlines, Alaska Airlines, and American Airlines. Denver and San Francisco have 284 direct flights per week. When you arrive at San Francisco, consider visiting Big Sur, Golden Gate Bridge, and Alcatraz.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
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Fly direct with

Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Denver to San Francisco

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Denver to San Francisco?
A one-way nonstop (direct) flight between Denver and San Francisco takes around 2.7 hours.
What is the flight distance between Denver and San Francisco?
The flight distance between Denver and San Francisco is 1555 km.
What airlines offer nonstop (direct) flights between Denver and San Francisco?
Several carriers operate flights between Denver and San Francisco. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Las Vegas, Los Angeles, Chicago, Minneapolis, Dallas, Washington, D.C., Orlando, Phoenix, Houston, San Diego, Austin, Atlanta, Paris, Philadelphia, New York, Miami, London, Seattle, Tampa, Detroit.
What are the most popular routes to and from San Francisco?
Travelers frequently search for route combinations, such as San Francisco and Las Vegas, Washington, D.C., Atlanta, Chicago, Austin, London, Paris, New York, Barcelona, Rome, Orlando, Mexico City, New Orleans, Amsterdam, Charlotte, Cincinnati, Houston, Dallas, Lisbon, Detroit.
Which airports are there in Denver?
Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Cheyenne Regional, Pueblo Memorial, Eagle County Regional, Laramie Regional.
What airports are near San Francisco?
The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Monterey Regional, Stockton Metropolitan, Charles M. Schulz–Sonoma County, Merced Regional, Buchanan Field.
What buses and trains depart from Denver?
A number of bus and train companies depart from Denver, including Greyhound, Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and San Francisco?
What is Virtual Interlining and how do I use it?
Which airlines fly between Denver and San Francisco?
When's the best time to travel between Denver and San Francisco?
What flights operate between Denver and San Francisco?
How many airports are there near Denver?
How many airports are there near San Francisco?
Is it possible to reach Denver by bus or train?
What time do nonstop (direct) flights between Denver and San Francisco depart?
What time do nonstop (direct) flights between Denver and San Francisco arrive?
What time do flights between Denver and San Francisco depart?
What time do flights between Denver and San Francisco arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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