Cheap flights from Denver to San Francisco from £65

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Denver Intl to San Francisco are usually found in February or April, booked 81 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 5 February 2026.

Thu 19/322:29
DEN
-
SFO
Nonstop2h 59m
Frontier
Thu 26/306:00
SFO
-
DEN
Nonstop2h 47m
Frontier
Deal found 1/2£99
Sat 7/305:25
DEN
-
SFO
Nonstop2h 58m
United Airlines
Wed 11/305:05
SFO
-
DEN
Nonstop2h 37m
United Airlines
Deal found 5/2£115
Fri 20/322:29
DEN
-
SFO
Nonstop2h 59m
Frontier
Fri 27/321:04
SFO
-
DEN
Nonstop2h 33m
Frontier
Deal found 3/2£123
Wed 4/321:20
DEN
-
SFO
Nonstop2h 57m
United Airlines
Wed 11/305:05
SFO
-
DEN
Nonstop2h 37m
United Airlines
Deal found 4/2£129
Wed 4/310:40
DEN
-
SFO
1 stop4h 40m
Southwest
Sat 7/307:15
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 1/2£134
Wed 4/307:00
DEN
-
SFO
1 stop8h 02m
Alaska Airlines
Wed 11/311:34
SFO
-
DEN
1 stop8h 49m
Alaska Airlines
Deal found 4/2£137
Wed 25/318:20
DEN
-
SFO
1 stop5h 32m
Alaska Airlines
Wed 1/406:35
SFO
-
DEN
1 stop16h 09m
Alaska Airlines
Deal found 5/2£139
Wed 4/308:35
DEN
-
SFO
Nonstop2h 55m
Southwest
Wed 11/319:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 4/2£144
Sat 7/318:12
DEN
-
SFO
1 stop5h 52m
Delta
Sun 8/306:00
SFO
-
DEN
1 stop4h 58m
Delta
Deal found 3/2£151
Wed 1/418:20
DEN
-
SFO
1 stop5h 32m
Alaska Airlines
Tue 7/408:00
SFO
-
DEN
2 stops14h 56m
Alaska Airlines
Deal found 3/2£157
Thu 5/318:20
DEN
-
SFO
1 stop6h 34m
Delta
Sun 8/306:00
SFO
-
DEN
1 stop4h 58m
Delta
Deal found 3/2£159

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 5 February 2026.

Round-trip from

£99

One-way from

£65

Popular in

July

Cheapest in

February

Average price

£144

Good one-way deal

£291 or less
Frontier
  • Frontier
  • 19/3-26/3
  • Nonstop
  • 5h 46m total
  • Denver to San Francisco
Alaska Airlines
  • Alaska Airlines
  • 1/4
  • 1 total stop
  • 5h 32m total
  • Denver to San Francisco
Highest demand for flights based on searches. 8% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in February 2026
Price to beat on a one-way flight from Denver Intl to San Francisco.

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 5 February 2026.
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

Wed 4/3

05:20-07:18

Nonstop2h 58m

San Francisco

Sat 7/3

06:14-09:55

Nonstop2h 41m

£129

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 4/3

20:25-22:20

Nonstop2h 55m

San Francisco

Sat 7/3

07:15-10:45

Nonstop2h 30m

£129

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 6/3

21:35-23:20

Nonstop2h 45m

San Francisco

Mon 9/3

05:30-08:55

Nonstop2h 25m

£144

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 5/3

18:20-23:54

1 stop6h 34m

San Francisco

Sun 8/3

06:00-11:58

1 stop4h 58m

£159

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 12/3

07:45-09:39

Nonstop2h 54m

San Francisco

Sun 22/3

05:05-08:42

Nonstop2h 37m

£173

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 27/2

05:20-07:18

Nonstop2h 58m

San Francisco

Sun 1/3

05:10-08:47

Nonstop2h 37m

£173

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 25/2

06:30-12:05

1 stop6h 35m

San Francisco

Sat 28/2

05:00-13:20

2 stops7h 20m

£177

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 7/3

11:38-22:06

2 stops11h 28m

San Francisco

Mon 9/3

19:28-12:14

1 stop15h 46m

£179

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 7/3

05:05-09:15

1 stop5h 10m

San Francisco

Wed 11/3

06:25-14:20

2 stops6h 55m

£191

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 5/3

11:38-16:44

1 stop6h 06m

San Francisco

Sun 8/3

09:00-23:59

2 stops13h 59m

£194

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 24 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 30 January 2026.

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, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of £28). Flying from Denver to San Francisco in August is currently the most expensive (average of £91). 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 February 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 80% on flights from Denver to San Francisco by exploring options for tickets in the evening.

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?

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

    For as low as £173, Delta 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 Air China (94%), Frontier (82%) and Air Canada (78%).

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

    While on average a flight from Denver to San Francisco is generally £688, our data shows the cheapest flight currently is £262. When looking at the most popular route, (Denver Intl - San Francisco), you can expect to pay £123 for that flight.

  • 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 £28). Flying from Denver to San Francisco in August is currently the most expensive (average of £91). 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
San Bruno
Bodega Bay
South San Francisco
Sunnyvale
Pacific Grove

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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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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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