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Cheap flights from Denver to San Francisco from £58

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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 Tuesday or Thursday and return on a Wednesday

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 17 September 2025.

Round-trip from

£98

One-way from

£58

Popular in

July

Cheapest in

February

Average price

£159
Frontier
  • Frontier
  • 31/10-7/11
  • 1 total stop
  • 8h 14m total
  • Denver to San Francisco
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United Airlines
  • United Airlines
  • 15/11
  • Nonstop
  • 2h 51m total
  • Denver to San Francisco
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Highest demand for flights based on searches. 16% potential increase in price (£22 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Denver to San Francisco

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 17 September 2025.

Fri 31/1022:29DEN - SFO
Nonstop2h 45mFrontier
Fri 7/1114:59SFO - DEN
1 stop5h 29mFrontier
Deal found 16/9£98
Wed 15/1019:50DEN - SFO
1 stop13h 15mAlaska Airlines
Wed 22/1010:26SFO - DEN
1 stop7h 44mAlaska Airlines
Deal found 17/9£104
Tue 21/1021:30DEN - SFO
Nonstop2h 35mSouthwest
Thu 23/1005:00SFO - DEN
Nonstop2h 30mSouthwest
Deal found 15/9£115
Mon 27/1022:30DEN - SFO
Nonstop2h 35mSouthwest
Thu 30/1011:40SFO - DEN
1 stop4h 40mSouthwest
Deal found 15/9£120
Thu 11/1218:59DEN - SFO
1 stop5h 49mHawaiian Airlines
Mon 15/1218:13SFO - DEN
1 stop4h 46mHawaiian Airlines
Deal found 16/9£121
Tue 7/1008:00DEN - SFO
Nonstop2h 40mSouthwest
Tue 7/1014:05SFO - DEN
2 stops7h 30mSouthwest
Deal found 16/9£126
Sat 11/1015:55DEN - SFO
Nonstop2h 41mUnited Airlines
Mon 13/1020:52SFO - DEN
Nonstop2h 37mUnited Airlines
Deal found 15/9£129
Sun 19/1006:03DEN - SFO
Nonstop2h 42mUnited Airlines
Wed 19/1120:55SFO - DEN
Nonstop2h 35mUnited Airlines
Deal found 14/9£130
Wed 22/1015:00DEN - SFO
2 stops6h 25mSouthwest
Thu 30/1011:40SFO - DEN
1 stop4h 40mSouthwest
Deal found 16/9£131

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 858,174 searches. Data last updated 17 September 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

Thu 11/12

18:59-08:06

1 stop14h 07m

San Francisco

Mon 15/12

21:57-19:24

1 stop20h 27m

£104

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 7/2

17:50-19:44

Nonstop2h 54m

San Francisco

Tue 10/2

08:35-12:23

Nonstop2h 48m

£115

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 6/1

20:25-22:20

Nonstop2h 55m

San Francisco

Thu 8/1

14:00-17:25

Nonstop2h 25m

£115

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Mon 9/2

21:05-22:58

Nonstop2h 53m

San Francisco

Wed 11/2

16:31-20:12

Nonstop2h 41m

£115

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 11/12

18:59-23:48

1 stop5h 49m

San Francisco

Mon 15/12

18:13-23:59

1 stop4h 46m

£121

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 27/11

15:00-16:40

Nonstop2h 40m

San Francisco

Tue 2/12

05:30-13:15

1 stop6h 45m

£122

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 21/10

08:00-09:40

Nonstop2h 40m

San Francisco

Tue 21/10

15:00-22:15

1 stop6h 15m

£122

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 22/10

15:00-20:25

2 stops6h 25m

San Francisco

Thu 30/10

11:40-17:20

1 stop4h 40m

£131

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 13/11

06:00-12:25

1 stop7h 25m

San Francisco

Sat 15/11

05:00-13:50

2 stops7h 50m

£133

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 21/10

08:25-12:20

1 stop4h 55m

San Francisco

Sat 25/10

11:40-21:15

2 stops8h 35m

£133

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 20 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 12 September 2025.

The best time to book flights from Denver to San Francisco is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Denver to San Francisco (average of £538). Flying from Denver to San Francisco in July is currently the most expensive (average of £803). 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 17 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 68% on flights from Denver to San Francisco by exploring options for tickets at midday.

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?

    This flight path from Denver Intl to San Francisco was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as £115, Alaska Airlines can have you in San Francisco from Denver in 2h 54m. The distance between Denver and San Francisco is about 964 mi. 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?

    The top 3 most reliable airlines when flying from Denver to San Francisco are Emirates (84%), Air China (79%) and ANA (74%).

  • 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, February is the cheapest month in which you can book a flight from Denver to San Francisco (average of £538). Flying from Denver to San Francisco in July is currently the most expensive (average of £803). 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
Newark
South San Francisco
Bodega Bay
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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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.
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Fly with Cheapflights

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

Cheapflights makes it easy to find Denver to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Denver to San Francisco for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Denver to San Francisco, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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