Cheap flights from Denver to San Francisco from £88

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
3 Jun — 10 Jun1
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 4 May 2026.

Wed 24/612:22
DEN
-
SFO
1 stop4h 59m
Frontier
Sat 27/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Deal found 2/5£119
Sat 27/613:18
DEN
-
SFO
1 stop6h 04m
Frontier
Sat 27/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Deal found 2/5£120
Wed 24/609:47
DEN
-
SFO
Nonstop2h 56m
Frontier
Thu 25/617:16
SFO
-
DEN
1 stop6h 22m
Frontier
Deal found 2/5£129
Fri 19/609:20
DEN
-
SFO
1 stop8h 01m
Frontier
Sat 27/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Deal found 2/5£130
Thu 25/609:47
DEN
-
SFO
Nonstop2h 56m
Frontier
Thu 25/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Deal found 2/5£132
Tue 23/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Wed 24/617:16
SFO
-
DEN
1 stop6h 22m
Frontier
Deal found 2/5£135
Sat 20/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Thu 25/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Deal found 2/5£135
Sat 20/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Tue 23/612:38
SFO
-
DEN
Nonstop2h 47m
Frontier
Deal found 2/5£139
Tue 23/612:22
DEN
-
SFO
1 stop4h 59m
Frontier
Tue 23/620:45
SFO
-
DEN
1 stop6h 13m
Frontier
Deal found 2/5£141
Sun 21/606:45
DEN
-
SFO
1 stop10h 36m
Frontier
Sat 27/606:00
SFO
-
DEN
Nonstop2h 49m
Frontier
Deal found 2/5£144
Mon 22/620:16
DEN
-
SFO
1 stop23h 06m
Frontier
Thu 25/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Deal found 2/5£147
Sat 27/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Sun 28/612:38
SFO
-
DEN
Nonstop2h 47m
Frontier
Deal found 2/5£147

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 4 May 2026.

Round-trip from

£119

One-way from

£88

Popular in

March

Cheapest in

September

Average price

£191
Frontier
  • Frontier
  • 24/6-27/6
  • 1 total stop
  • 7h 50m total
  • Denver to San Francisco
Frontier
  • Frontier
  • 19/7
  • 1 total stop
  • 21h 05m total
  • Denver to San Francisco
Highest demand for flights based on searches. 10% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in May 2026

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 4 May 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

Mon 22/6

05:40-08:56

1 stop4h 16m

San Francisco

Thu 25/6

17:25-22:41

1 stop4h 16m

£248

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 30/6

08:15-14:15

2 stops7h 00m

San Francisco

Tue 7/7

12:10-21:00

2 stops7h 50m

£255
Fastest return journey

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 26/6

21:10-22:56

Nonstop2h 46m

San Francisco

Mon 29/6

05:00-08:35

Nonstop2h 35m

£270

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 25/6

06:15-11:20

2 stops6h 05m

San Francisco

Thu 25/6

12:30-20:00

2 stops6h 30m

£278

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 13/6

07:50-13:10

1 stop6h 20m

San Francisco

Sat 13/6

15:15-23:25

2 stops7h 10m

£283

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 23/5

15:00-18:55

1 stop4h 55m

San Francisco

Wed 27/5

08:20-17:05

2 stops7h 45m

£288

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 2/6

10:10-15:20

2 stops6h 10m

San Francisco

Mon 22/6

12:30-20:00

2 stops6h 30m

£289

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sun 17/5

05:30-08:53

1 stop4h 23m

San Francisco

Fri 22/5

16:55-23:44

1 stop5h 49m

£292

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 4/6

20:15-00:50

1 stop5h 35m

San Francisco

Sun 7/6

06:25-14:00

2 stops6h 35m

£296
Cheapest one-way
Fastest single journey

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Mon 25/5

05:20-06:58

Nonstop2h 38m

£117

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 32 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 £167). Flying from Denver to San Francisco in March is currently the most expensive (average of £244). 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 4 May 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?

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

    For as low as £248, Delta can have you in San Francisco from Denver in 4h 16m. 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%), Volaris (83%) and Frontier (79%).

  • 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 £167). Flying from Denver to San Francisco in March is currently the most expensive (average of £244). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.