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Cheap flights from Denver to San Francisco from £95

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
19 Jul — 26 Jul1
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 19 June 2026.

Tue 14/709:49
DEN
-
SFO
Nonstop2h 54m
Frontier
Tue 21/706:00
SFO
-
DEN
Nonstop2h 46m
Frontier
Deal found 15/6£150
Wed 21/1007:50
DEN
-
SFO
1 stop5h 58m
Alaska Airlines
Wed 21/1014:55
SFO
-
DEN
1 stop5h 41m
Alaska Airlines
Deal found 15/6£204
Tue 22/913:43
DEN
-
SFO
1 stop10h 29m
Alaska Airlines
Wed 30/909:27
SFO
-
DEN
1 stop10h 46m
Alaska Airlines
Deal found 17/6£207
Tue 22/906:17
DEN
-
SFO
1 stop12h 05m
Alaska Airlines
Thu 1/1017:16
SFO
-
DEN
1 stop5h 28m
Alaska Airlines
Deal found 17/6£214
Mon 21/906:17
DEN
-
SFO
1 stop12h 05m
Alaska Airlines
Tue 29/908:25
SFO
-
DEN
1 stop10h 01m
Alaska Airlines
Deal found 17/6£215
Sat 21/1119:04
DEN
-
SFO
1 stop5h 35m
Alaska Airlines
Tue 1/1212:02
SFO
-
DEN
1 stop5h 10m
Alaska Airlines
Deal found 17/6£217
Mon 21/919:25
DEN
-
SFO
1 stop13h 59m
Delta
Wed 30/909:30
SFO
-
DEN
1 stop13h 24m
Delta
Deal found 16/6£217
Wed 29/708:15
DEN
-
SFO
2 stops7h 00m
Southwest
Wed 5/807:40
SFO
-
DEN
1 stop4h 20m
Southwest
Deal found 19/6£220
Sat 26/913:43
DEN
-
SFO
1 stop6h 23m
Alaska Airlines
Thu 1/1017:16
SFO
-
DEN
1 stop5h 28m
Alaska Airlines
Deal found 17/6£221
Mon 21/906:17
DEN
-
SFO
1 stop16h 25m
Alaska Airlines
Thu 1/1017:16
SFO
-
DEN
1 stop5h 28m
Alaska Airlines
Deal found 17/6£222
Sat 21/1119:04
DEN
-
SFO
1 stop5h 35m
Alaska Airlines
Thu 3/1206:00
SFO
-
DEN
1 stop4h 34m
Alaska Airlines
Deal found 17/6£223

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 19 June 2026.

Round-trip from

£150

One-way from

£95

Popular in

June

Cheapest in

September

Average price

£265
Frontier
  • Frontier
  • 14/7-21/7
  • Nonstop
  • 5h 40m total
  • Denver to San Francisco
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 15/12
  • 1 total stop
  • 7h 53m total
  • Denver to San Francisco
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 19 June 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 22/9

06:17-17:22

1 stop12h 05m

San Francisco

Sun 27/9

17:19-23:44

1 stop5h 25m

£226

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sun 18/10

18:58-09:37

1 stop15h 39m

San Francisco

Fri 30/10

08:20-18:02

1 stop8h 42m

£233

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 14/7

08:15-13:40

1 stop6h 25m

San Francisco

Tue 21/7

14:15-23:10

2 stops7h 55m

£243

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 5/9

12:00-17:30

2 stops6h 30m

San Francisco

Tue 8/9

13:35-21:20

2 stops6h 45m

£253

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 9/7

06:15-11:20

2 stops6h 05m

San Francisco

Tue 14/7

12:10-21:00

2 stops7h 50m

£254
Fastest return journey

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 17/7

07:45-09:25

Nonstop2h 40m

San Francisco

Mon 20/7

05:10-08:40

Nonstop2h 30m

£255

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 3/9

15:10-20:30

2 stops6h 20m

San Francisco

Sat 5/9

06:25-14:05

2 stops6h 40m

£259

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 14/8

14:55-20:35

2 stops6h 40m

San Francisco

Thu 20/8

11:55-18:10

1 stop5h 15m

£272

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 16/7

06:15-11:20

2 stops6h 05m

San Francisco

Tue 21/7

12:10-21:00

2 stops7h 50m

£278

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 24/11

05:00-06:48

Nonstop2h 48m

San Francisco

Tue 1/12

06:30-10:09

Nonstop2h 39m

£282

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Showing 1-10 of 24 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?

The best time to book flights from Denver to San Francisco is 62 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, September is the cheapest month in which you can book a flight from Denver to San Francisco (average of £171). Flying from Denver to San Francisco in June is currently the most expensive (average of £265). 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 19 June 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.

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?

    This flight path from Denver Intl to San Francisco was viewed by 4 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 £243, Alaska Airlines can have you in San Francisco from Denver in 6h 25m. 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 Canada (63%), ANA (61%) and Virgin Australia (60%).

  • 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, September is the cheapest month in which you can book a flight from Denver to San Francisco (average of £171). Flying from Denver to San Francisco in June is currently the most expensive (average of £265). 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
San Bruno
Newark
Bodega Bay
South San Francisco
Sunnyvale

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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