$29 Cheap Flights from Denver (DEN) to San Francisco (SFO)

View $29 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Denver to San Francisco (DEN-SFO)

Prices were available within the past 7 days and start at $29 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 8 - Mon, Jan 12
DEN
Denver
SFO
San Francisco
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Denver to San Francisco, returning Mon, Jan 12, priced at $54 found 1 hour ago
Frontier Airlines
Thu, Jan 15 - Sun, Jan 18
DEN
Denver
SFO
San Francisco
$64 Roundtrip, found 1 hour ago
$64
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Denver to San Francisco, returning Sun, Jan 18, priced at $64 found 1 hour ago
Frontier Airlines
Fri, Dec 5 - Tue, Dec 9
DEN
Denver
SFO
San Francisco
$69 Roundtrip, found 1 hour ago
$69
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Denver to San Francisco, returning Tue, Dec 9, priced at $69 found 1 hour ago
Frontier Airlines
Fri, Dec 12 - Tue, Dec 16
DEN
Denver
SFO
San Francisco
$79 Roundtrip, found 1 hour ago
$79
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 12 from Denver to San Francisco, returning Tue, Dec 16, priced at $79 found 1 hour ago
Frontier Airlines
Thu, Nov 13 - Tue, Nov 18
DEN
Denver
SFO
San Francisco
$81 Roundtrip, found 22 hours ago
$81
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Denver to San Francisco, returning Tue, Nov 18, priced at $81 found 22 hours ago
Frontier Airlines
Fri, Dec 5 - Sun, Dec 14
DEN
Denver
SFO
San Francisco
$84 Roundtrip, found 13 hours ago
$84
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Denver to San Francisco, returning Sun, Dec 14, priced at $84 found 13 hours ago
Frontier Airlines
Tue, Dec 9 - Wed, Dec 10
DEN
Denver
SFO
San Francisco
$86 Roundtrip, found 7 hours ago
$86
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Dec 9 from Denver to San Francisco, returning Wed, Dec 10, priced at $86 found 7 hours ago
Southwest Airlines
Sun, Jan 25 - Thu, Jan 29
DEN
Denver
SFO
San Francisco
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Southwest Airlines flight, departing Sun, Jan 25 from Denver to San Francisco, returning Thu, Jan 29, priced at $117 just found
Alaska Airlines
Thu, Jan 15 - Sun, Jan 18
DEN
Denver
SFO
San Francisco
$136 Roundtrip, found 1 hour ago
$136
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Jan 15 from Denver to San Francisco, returning Sun, Jan 18, priced at $136 found 1 hour ago
American Airlines
Sun, Jan 25 - Thu, Jan 29
DEN
Denver
SFO
San Francisco
$187 Roundtrip, just found
$187
Roundtrip
just found
Select American Airlines flight, departing Sun, Jan 25 from Denver to San Francisco, returning Thu, Jan 29, priced at $187 just found

Find the cheapest month to fly from Denver (DEN) to San Francisco (SFO)

March is typically the cheapest month to fly

From $53 - $397 per traveler.

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 50 minutes. Flights from $326
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center50 min
Flights from $326
Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $256
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $256

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO) cost?
Grab a cheap one-way flight from $29 or cheap return flight from $54 from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Planning your trip for January can help you save, as it's the cheapest month for flights between DEN and SFO. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Select from 3 carriers that operate direct flights from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO). Including:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
While prices can vary depending on your travel dates, low-cost airlines like Virgin Australia and Southwest Airlines are generally the cheapest options for flights between Denver Intl. Airport (DEN) and San Francisco Intl. Airport (SFO). Use Expedia's filter tool to compare carriers and find the one that offers the best deal for your DEN to SFO flight.
How many flights per day from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Every day on average, 15 nonstop flights take off from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO). Select the departure date that best fits your itinerary.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Flights between DEN and SFO are busiest at 10 AM. If you'd like a more relaxed experience and possibly cheaper tickets, choose a time when demand is lower.
What day of the week has the most flights from DEN to SFO?
Fly on a Monday if you're after the best selection of flights from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Denver Intl. Airport (DEN)'s earliest flight to San Francisco Intl. Airport (SFO) departs at approximately 6:00AM UTC-7. With a total travel time of 2h 50m, you'll touch down at around 7:50AM UTC-8.
How long does it take to fly from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Flights from DEN to SFO have an average travel time of 2 hours and 50 minutes. The total distance between the two airports is 970 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
To arrive at San Francisco Intl. Airport (SFO) without delays, book a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Denver Intl. Airport (DEN)?
Come in for landing at any of these San Francisco airports after your direct flight from Denver Intl. Airport (DEN):

  • San Francisco Intl. Airport (SFO)
  • Norman Y. Mineta San Jose Intl. Airport (SJC)
  • Oakland Intl. Airport (OAK)

Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO) last-minute?
Booking your ticket from DEN to SFO shortly before your getaway is generally more expensive. But if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to SFO flight and hotel package?
You'll generally save money by booking a DEN to SFO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
If you reserved your DEN to SFO flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$54
Distance
965 mi
Average flight time
1 hour 37 mins

Book with confidence

Denver to San Francisco Flights

The cheapest times to fly from Denver to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to San Francisco are during the month of January. You can find some of the cheapest flights from Denver to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to San Francisco

Sunday is one of the best days to book for cheap flights from Denver to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to San Francisco Flights

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*Available to One Key members.