Southwest® flights from Denver to San Francisco from $73
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Low fares from Denver to San Francisco
$
Denver (DEN)to
San Francisco (SFO)
Depart: 01/13/2026
One-way
Basic
From
$73
Seen: 2 hrs ago
Denver (DEN)to
San Francisco (SFO)
Depart: 01/14/2026
One-way
Basic
From
$73
Seen: 1 hour ago
Denver (DEN)to
San Francisco (SFO)
Depart: 01/24/2026
One-way
Basic
From
$79
Seen: 11 hrs ago
Denver (DEN)to
San Francisco (SFO)
Depart: 01/10/2026
One-way
Basic
From
$79
Seen: 4 hrs ago
Denver (DEN)to
San Francisco (SFO)
Depart: 02/14/2026
One-way
Basic
From
$79
Seen: 22 hrs ago
Denver (DEN)to
San Francisco (SFO)
Depart: 01/13/2026
One-way
Choice
From
$90
Seen: 2 hrs ago
Explore flights from Denver to San Francisco
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Travel tips for your next Southwest flight
How to board the plane earlier on open seating flights departing on or before January 26, 2026:
Southwest seats are first come, first served based on check-in order. But there are ways to board the plane earlier!
- Purchase EarlyBird Check-In®1 for automatic check-in and a better boarding position.
- Purchase Upgraded Boarding2 to get an A1-A15 boarding position (depending on availability).
- Purchase a Business Select® fare or upgrade to Business Select to get a guaranteed A1-A15 boarding position.
Enjoy movies, sips, and snacks during your flight.
Take advantage of inflight entertainment with free movies4, free live TV5, free texting6, and $8 inflight Internet7.
We also offer free sodas, coffee, and snacks8—learn more about the inflight food and beverage experience.
Make the most of our Rapid Rewards® Program.
Rapid Rewards Members can redeem their points for flights, hotel stays, rental cars, gift cards, and more. And your points never expire!
Flight Details
Departing from:
Denver International Airport
Arriving at:
San Francisco International Airport
Average flight time:
2 hours 35 minutes
Distance:
967 miles
Route Information
153† Weekly flights
- 4‡ Nonstop flights per day Monday through Friday
- 3‡ Nonstop flights on Saturday
- 4‡ Nonstop flights on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Explore San Francisco
With year-round mild temperatures, beautiful bay views, and some of the best food on the West Coast, the San Francisco Bay Area is hard to beat! And with transport options via bus, rapid rail, and commuter rail from the airport to the San Francisco city center, you don’t have to waste a single minute.
The city of San Francisco is made up of vibrant neighborhoods, each with its own distinctive character and sights to offer. Start your city tour in Haight-Ashbury, an area that’s fondly called by some the birthplace of the American counterculture. Spend an afternoon browsing used bookstores, vintage shops, and independent cafes nestled amongst the area’s colorful Victorian-style houses. Next, head to Chinatown for dim sum and browse through the neighborhood’s many fresh produce markets. If you’re wondering how your dessert was made, you can watch fortune cookie-making in action at the Golden Gate Fortune Cookie Factory! Don’t miss a photo op in front of the famous Dragon Gate that marks the official Chinatown entrance on Bush Street.
Questions we hear the most
The average flight time from Denver to San Francisco is 2 hours 35 minutes.
There are 153 weekly flights from Denver to San Francisco on Southwest Airlines.
Yes, Southwest flies nonstop from Denver to San Francisco 4 times per day from Monday through Friday.
Yes, Southwest flies nonstop from Denver to San Francisco 3 times per day on Saturdays and 4 times per day on Sundays.
To find the lowest fares by day and time to fly Denver to San Francisco with Southwest, check out our Low Fare Calendar.
You can rent a car at San Francisco International Airport book yours with your flight.
Yes! Flights from Denver to San Francisco—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.
Explore Flights from Other Popular Origins
Popular Flights from Denver
1EarlyBird Check-In® pricing starts at $15 one-way, and is subject to availability. Pricing may vary based on the popularity and length of each (one-way) flight. Please see optional travel charges for more details.
2Upgraded boarding prices and benefits are per eligible segment. Flights must be within 24 hours of departure to be eligible for upgraded boarding.
3Where available. Available only on WiFi-enabled aircraft. Limited-time offer.
4Due to licensing restrictions, on WiFi-enabled international flights, free live TV and iHeartRadio may not be available for the full duration of flight.
5Texting only allows access to iMessage and WhatsApp (which must be downloaded and activated before connecting to SouthwestWiFi).
6Internet access for $8 per device from takeoff to landing. Price is subject to change. May not be available for the full duration of flight. In order to provide a top-notch Internet experience, we prohibit access to certain high-bandwidth applications and websites. We also prohibit access to certain obscene or offensive content.
7Flights traveling 175 miles or less will have only water available. Complimentary snacks are served on flights over 175 miles. If you’re flying between Hawaii and the continental U.S., you’ll have even more snacks to choose from.