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Cheap flights from Denver to San Francisco from $171

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Denver to San Francisco
Explore the most affordable flight options available from Denver to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2026.

Mon 26/1009:45
DEN
-
SFO
1 stop6h 06m
Alaska Airlines
Mon 26/1016:43
SFO
-
DEN
1 stop6h 16m
Alaska Airlines
Deal found 28/7$332
Tue 15/920:06
DEN
-
SFO
1 stop13h 40m
Alaska Airlines
Sat 19/907:08
SFO
-
DEN
1 stop11h 18m
Alaska Airlines
Deal found 28/7$341
Fri 11/906:17
DEN
-
SFO
1 stop7h 43m
Alaska Airlines
Tue 15/908:25
SFO
-
DEN
1 stop10h 01m
Alaska Airlines
Deal found 28/7$348
Sat 5/913:43
DEN
-
SFO
1 stop6h 23m
Alaska Airlines
Sun 6/917:19
SFO
-
DEN
1 stop5h 37m
Alaska Airlines
Deal found 26/7$355
Thu 15/1018:59
DEN
-
SFO
1 stop15h 38m
Alaska Airlines
Mon 19/1016:43
SFO
-
DEN
1 stop17h 49m
Alaska Airlines
Deal found 27/7$360
Sun 13/907:00
DEN
-
SFO
1 stop9h 46m
Frontier
Sun 20/913:10
SFO
-
DEN
1 stop9h 38m
Frontier
Deal found 30/7$361
Thu 20/821:10
DEN
-
SFO
Nonstop2h 40m
Southwest
Mon 24/806:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 28/7$370
Wed 26/813:43
DEN
-
SFO
1 stop6h 23m
Alaska Airlines
Thu 3/908:25
SFO
-
DEN
1 stop14h 31m
Alaska Airlines
Deal found 27/7$374
Thu 3/906:17
DEN
-
SFO
1 stop7h 43m
Alaska Airlines
Sun 6/910:32
SFO
-
DEN
1 stop7h 54m
Alaska Airlines
Deal found 28/7$377
Tue 20/1006:35
DEN
-
SFO
1 stop10h 19m
Delta
Thu 12/1112:05
SFO
-
DEN
1 stop10h 53m
Delta
Deal found 28/7$378
Fri 11/906:17
DEN
-
SFO
1 stop7h 43m
Alaska Airlines
Thu 17/908:25
SFO
-
DEN
1 stop14h 19m
Alaska Airlines
Deal found 28/7$381

Find flight deals from Denver to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2026.

Round-trip from

$332

One-way from

$171

Popular in

July

Cheapest in

January

Average price

$540

Good one-way deal

$209 or less
Alaska Airlines
  • Alaska Airlines
  • 26/10-26/10
  • 2 total stops
  • 12h 22m total
  • Denver to San Francisco
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 26/10
  • 1 total stop
  • 6h 06m total
  • Denver to San Francisco
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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Price to beat on a one-way flight from Denver Intl to San Francisco.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Denver to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 July 2026.
Use the filters below to find and compare flights from Denver to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 25/8

06:17-13:00

1 stop7h 43m

San Francisco

Tue 1/9

10:32-19:26

1 stop7h 54m

$341

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 12/9

07:15-16:15

2 stops10h 00m

San Francisco

Mon 21/9

14:05-20:05

1 stop5h 00m

$406
Fastest return journey

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Mon 24/8

20:15-23:25

1 stop4h 10m

San Francisco

Mon 31/8

06:45-14:30

2 stops6h 45m

$406

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 27/8

15:10-20:30

2 stops6h 20m

San Francisco

Sat 29/8

05:00-12:35

2 stops6h 35m

$413

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 10/9

13:43-23:28

2 stops10h 45m

San Francisco

Mon 14/9

10:32-19:26

1 stop7h 54m

$432

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 8/9

12:35-19:15

2 stops7h 40m

San Francisco

Tue 15/9

05:50-14:00

2 stops7h 10m

$471

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 9/10

18:59-09:37

1 stop15h 38m

San Francisco

Tue 13/10

07:08-18:01

2 stops9h 53m

$479

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 1/9

12:54-20:19

2 stops8h 25m

San Francisco

Mon 7/9

16:55-23:58

1 stop6h 03m

$525

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 17/10

12:57-23:56

2 stops11h 59m

San Francisco

Mon 19/10

16:50-23:50

1 stop6h 00m

$538

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 4/9

15:10-20:35

2 stops6h 25m

San Francisco

Mon 7/9

07:00-13:55

1 stop5h 55m

$573

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Denver to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Denver with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to San Francisco

How far ahead should I book a flight from Denver to San Francisco?

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Denver to San Francisco (average of $340). Flying from Denver to San Francisco in July is currently the most expensive (average of $540). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to SFO?

Find hourly flight availability from Denver to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2026.

When flying from Denver to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 80% versus a flight in the afternoon.

How much does it cost for a return flight from Denver to San Francisco?

Airfare is typical for this route at the moment.

Denver to San Francisco flights typically cost between $285 and $554 in October.
The cheapest return price found within the last 5 days was $332 on Alaska Airlines (26 Oct–26 Oct).

Related info for your journey

Find useful and relevant information for your journey from Denver to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Denver to San Francisco flight route?

    Within the past month, 9 users have taken a look at flights from Denver Intl to San Francisco.

  • How long is the flight from Denver to San Francisco?

    There are many flights that can get you from Denver to San Francisco in 7h 43m. Fly via Alaska Airlines or Southwest to get the fastest option. The distance between Denver and San Francisco is about 1551 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Denver to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to San Francisco on time: Air Canada (56%), United Airlines (56%), Virgin Australia (53%).

  • What are the cheapest flights from Denver to San Francisco?

    On average you can expect to pay $1,402 for a flight from Denver to San Francisco. The cheapest flight overall is $194 while the most popular route, (Denver Intl - San Francisco) is currently priced at $304.

  • Can I find deals for flights from Denver to San Francisco that include hotel bookings?

    Yes. In addition to deals on Denver to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Denver to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to San Francisco.

  • Can I find deals for business class flights from Denver to San Francisco?

    Yes. Cheapflights offers flight deals from Denver to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Denver to San Francisco (average of $340). Flying from Denver to San Francisco in July is currently the most expensive (average of $540). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Sausalito
Davis
Milpitas
Vallejo

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Alternative routes for Denver to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Los Angeles flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Denver to San Francisco?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Denver today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Denver to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Denver to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Denver to San Francisco with no change fees?

Yes, we can. To see specific flights from Denver to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Denver to San Francisco become cheaper?

Yes! Start tracking prices for Denver to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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