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Cheap flights from Denver to San Francisco from $118

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Denver Intl to San Francisco are usually found in February or January, booked 81 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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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 5 November 2025.

Sat 20/1222:29DEN - SFO
Nonstop2h 55mFrontier
Sat 27/1206:24SFO - DEN
Nonstop2h 42mFrontier
Deal found 4/11$220
Tue 16/1213:25DEN - SFO
2 stops7h 45mSouthwest
Fri 16/105:50SFO - DEN
Nonstop2h 30mSouthwest
Deal found 4/11$234
Wed 3/1207:46DEN - SFO
Nonstop2h 51mUnited Airlines
Wed 10/1206:30SFO - DEN
Nonstop2h 37mUnited Airlines
Deal found 3/11$241
Wed 10/1207:25DEN - SFO
1 stop5h 05mSouthwest
Wed 10/1214:15SFO - DEN
Nonstop2h 30mSouthwest
Deal found 4/11$251
Sat 6/1218:40DEN - SFO
Nonstop2h 40mSouthwest
Sun 7/1205:30SFO - DEN
Nonstop2h 25mSouthwest
Deal found 4/11$272
Wed 3/1207:25DEN - SFO
1 stop5h 05mSouthwest
Wed 10/1207:40SFO - DEN
2 stops7h 15mSouthwest
Deal found 3/11$274
Tue 2/1218:59DEN - SFO
1 stop14h 07mAlaska Airlines
Tue 9/1219:25SFO - DEN
1 stop15h 19mAlaska Airlines
Deal found 3/11$275
Tue 9/1213:25DEN - SFO
2 stops7h 45mSouthwest
Wed 10/1207:40SFO - DEN
2 stops7h 15mSouthwest
Deal found 4/11$287

Cheap 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 5 November 2025.

Round-trip from

$209

One-way from

$118

Popular in

July

Cheapest in

February

Average price

$380
Alaska Airlines
  • Alaska Airlines
  • 23/1-25/1
  • 2 total stops
  • 12h 14m total
  • Denver to San Francisco
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United Airlines
  • United Airlines
  • 22/2
  • Nonstop
  • 2h 58m total
  • Denver to San Francisco
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($82 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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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 5 November 2025.
Use the filters below to find and compare flights from Denver to San Francisco that are best for you.

Fly from

Denver

Fly to

San Francisco

Route

Depart

Return

Price

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 23/1

12:34-17:48

1 stop6h 14m

San Francisco

Sun 25/1

11:41-18:41

1 stop6h 00m

$209

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 29/1

12:34-21:55

2 stops10h 21m

San Francisco

Sun 1/2

11:41-18:41

1 stop6h 00m

$269

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 6/1

13:10-21:15

2 stops9h 05m

San Francisco

Fri 9/1

05:30-12:50

2 stops6h 20m

$287

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 29/1

07:47-09:45

Nonstop2h 58m

San Francisco

Mon 2/2

18:50-22:26

Nonstop2h 36m

$287

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 18/12

18:48-00:27

1 stop6h 39m

San Francisco

Sun 18/1

08:20-18:41

1 stop9h 21m

$298

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 6/12

07:50-11:35

1 stop4h 45m

San Francisco

Wed 10/12

07:40-15:55

2 stops7h 15m

$310

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Mon 16/2

21:20-23:17

Nonstop2h 57m

San Francisco

Thu 19/2

05:10-08:47

Nonstop2h 37m

$318

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 23/12

19:11-23:49

1 stop5h 38m

San Francisco

Tue 30/12

19:20-10:35

1 stop14h 15m

$324

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 13/12

06:00-07:50

Nonstop2h 50m

San Francisco

Tue 23/12

20:50-00:26

Nonstop2h 36m

$334

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 11/12

06:05-12:59

1 stop7h 54m

San Francisco

Mon 15/12

10:30-18:58

2 stops7h 28m

$350

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 22 results
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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?

Use this chart to determine the optimal time to book a return flight from Denver to San Francisco. Price data was last updated on 31 October 2025.

Booking 81 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, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of $58). Flying from Denver to San Francisco in August is currently the most expensive (average of $191). 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 5 November 2025.

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 at midday, which can drop the price by up to 47% versus a flight in the afternoon.

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

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, 12 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 2h 50m. Fly via Alaska Airlines, Southwest, or United Airlines 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 cheapest airlines to fly from Denver to San Francisco one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $118. Alaska Airlines flights start at $135 while deals on Southwest start at $144 one-way.

  • 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 China (89%), Emirates (85%), United Airlines (80%).

  • 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, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of $58). Flying from Denver to San Francisco in August is currently the most expensive (average of $191). 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
Sausalito
Santa Cruz
Los Gatos
Mountain View
Davis
Milpitas

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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

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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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