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Cheap flights from Denver to San Francisco from £59

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
7 Dec — 14 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 7 November 2025.

Tue 16/1217:46DEN - SFO
Nonstop2h 51mUnited Airlines
Tue 27/116:31SFO - DEN
Nonstop2h 41mUnited Airlines
Deal found 5/11£105
Sun 21/1206:30DEN - SFO
Nonstop2h 53mFrontier
Sun 28/1221:56SFO - DEN
1 stop9h 59mFrontier
Deal found 6/11£109
Tue 16/1213:25DEN - SFO
2 stops7h 45mSouthwest
Sun 25/107:35SFO - DEN
Nonstop2h 25mSouthwest
Deal found 5/11£116
Sat 6/1211:41DEN - SFO
1 stop5h 51mAlaska Airlines
Tue 16/1218:13SFO - DEN
1 stop4h 46mAlaska Airlines
Deal found 6/11£127
Tue 2/1218:59DEN - SFO
1 stop14h 07mAlaska Airlines
Tue 9/1218:13SFO - DEN
1 stop4h 46mAlaska Airlines
Deal found 5/11£129
Thu 4/1220:45DEN - SFO
Nonstop2h 45mSouthwest
Sat 6/1212:35SFO - DEN
Nonstop2h 25mSouthwest
Deal found 7/11£131
Thu 18/1206:00DEN - SFO
1 stop6h 04mAlaska Airlines
Sun 18/108:20SFO - DEN
1 stop9h 21mAlaska Airlines
Deal found 7/11£136
Tue 2/1218:59DEN - SFO
1 stop14h 07mAlaska Airlines
Sun 14/1207:00SFO - DEN
1 stop11h 24mAlaska Airlines
Deal found 6/11£140
Sat 6/1211:41DEN - SFO
1 stop5h 51mAlaska Airlines
Sun 7/1208:40SFO - DEN
1 stop14h 19mAlaska Airlines
Deal found 5/11£141
Tue 2/1218:59DEN - SFO
1 stop14h 07mAlaska Airlines
Sun 7/1207:35SFO - DEN
1 stop15h 24mAlaska Airlines
Deal found 5/11£144
Tue 2/1218:59DEN - SFO
1 stop14h 07mAlaska Airlines
Sat 6/1218:13SFO - DEN
1 stop4h 46mAlaska Airlines
Deal found 5/11£145

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 7 November 2025.

Round-trip from

£105

One-way from

£59

Popular in

July

Cheapest in

February

Average price

£189
United Airlines
  • United Airlines
  • 16/12-27/1
  • Nonstop
  • 5h 32m total
  • Denver to San Francisco
Search Deals
Frontier
  • Frontier
  • 9/3
  • Nonstop
  • 2h 55m total
  • Denver to San Francisco
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£20 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 November 2025
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 7 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

Thu 19/2

09:35-14:10

1 stop5h 35m

San Francisco

Sat 21/2

10:50-21:15

2 stops9h 25m

£139

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 6/12

11:41-16:32

1 stop5h 51m

San Francisco

Sun 7/12

08:40-23:59

1 stop14h 19m

£141

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 6/1

13:10-21:15

2 stops9h 05m

San Francisco

Thu 8/1

05:30-12:50

2 stops6h 20m

£143

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 18/12

06:00-15:53

2 stops10h 53m

San Francisco

Sun 18/1

07:00-18:41

1 stop10h 41m

£146

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 12/2

07:55-09:55

Nonstop3h 00m

San Francisco

Sat 14/2

09:20-22:30

2 stops12h 10m

£147

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sun 7/12

06:00-23:59

1 stop18h 59m

San Francisco

Tue 16/12

18:13-23:59

1 stop4h 46m

£149

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 12/12

07:46-09:37

Nonstop2h 51m

San Francisco

Mon 15/12

20:55-00:30

Nonstop2h 35m

£150

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 2/12

18:59-08:06

1 stop14h 07m

San Francisco

Thu 18/12

08:00-23:59

1 stop14h 59m

£155

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 3/12

18:59-08:06

1 stop14h 07m

San Francisco

Thu 18/12

08:00-17:52

1 stop8h 52m

£155

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 2/12

18:59-08:06

1 stop14h 07m

San Francisco

Wed 3/12

10:06-23:59

2 stops12h 53m

£159

Flights are sorted by cheapest return flights first.

Deals found on 6/11

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 31 October 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, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of £29). Flying from Denver to San Francisco in August is currently the most expensive (average of £95). 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 7 November 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 82% 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?

    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 £139, Southwest can have you in San Francisco from Denver in 5h 35m. 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 (89%), Emirates (85%) and 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 £29). Flying from Denver to San Francisco in August is currently the most expensive (average of £95). 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
San Bruno
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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