What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How often are flights from Denver to San Francisco delayed?

About 28% of weekly flights between Denver and San Francisco have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Denver to San Francisco flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Which airline has the best punctuality record on Denver to San Francisco flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.

How popular is this Denver to San Francisco flight route?

This flight path from Denver Intl to San Francisco was viewed by 1 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 £184, Southwest can have you in San Francisco from Denver in 2h 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.

Weekly flight availability from Denver to San Francisco

The most flights from DEN to SFO are scheduled on a Wednesday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from Denver to San Francisco?

While on average a flight from Denver to San Francisco is generally £167, our data shows the cheapest flight currently is £125. When looking at the most popular route, (Denver Intl - San Francisco), you can expect to pay £156 for that flight.

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 (69%), Air Canada (66%) and Frontier (62%).

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.

£78+ Cheap Flights from Denver to San Francisco

Cheap flight deals from Denver to San Francisco

Enter your travel dates to find the best prices.

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Direct

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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 17 September 2026.

Thu 15/1022:29 -

Nonstop2h 46m

Thu 22/1019:13 -

Nonstop2h 46m

Deal found 17/9£132

Wed 18/1109:20 -

Nonstop2h 50m

Wed 18/1113:20 -

Nonstop2h 35m

Deal found 17/9£155

Wed 21/1009:35 -

Nonstop2h 47m

Wed 21/1021:13 -

Nonstop2h 40m

Deal found 17/9£156

Fri 23/1016:33 -

Nonstop2h 45m

Fri 23/1023:59 -

1 stop10h 23m

Deal found 17/9£161

Wed 14/1009:35 -

Nonstop2h 47m

Wed 21/1019:43 -

Nonstop2h 40m

Deal found 16/9£164

Wed 11/1108:20 -

1 stop5h 17m

Wed 11/1115:08 -

1 stop6h 30m

Deal found 17/9£166

Sat 24/1008:50 -

Nonstop2h 40m

Mon 26/1006:00 -

Nonstop2h 30m

Deal found 16/9£168

Mon 23/1107:40 -

Nonstop2h 49m

Wed 9/1205:00 -

Nonstop2h 37m

Deal found 16/9£169

Sat 7/1107:03 -

1 stop8h 07m

Tue 10/1107:04 -

1 stop4h 53m

Deal found 17/9£170

Wed 21/1014:30 -

Nonstop2h 35m

Sat 24/1006:20 -

Nonstop2h 30m

Deal found 14/9£172

Find flight deals from Denver to San Francisco

Round-trip from	£132
One-way from	£78
Popular in	July
Cheapest in	January
Average price	£230
Good one-way deal	£166 or less

Frontier
15/10-22/10
Nonstop
5h 32m total
Denver to San Francisco

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United Airlines
14/10-31/12
Nonstop
2h 41m total
Denver to San Francisco

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£33 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 September 2026

Search Deals

Price to beat on a one-way flight from Denver Intl to San Francisco.

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Cheapflights Fare Finder

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 Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Sat 14/11

10:00-18:40

2 stops9h 40m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£98

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Sat 31/10

10:00-16:20

2 stops7h 20m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£98

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Sat 17/10

09:45-22:27

2 stops13h 42m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£103

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Mon 5/10

18:06-23:58

1 stop6h 52m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£106

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Tue 17/11

10:45-16:14

1 stop6h 29m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£109

Fastest return journey

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Tue 17/11

07:40-09:29

Nonstop2h 49m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£116

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Thu 29/10

07:07-15:52

2 stops9h 45m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£128

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Mon 23/11

06:00-07:49

Nonstop2h 49m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£129

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Sat 13/3

11:33-16:23

1 stop5h 50m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£129

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Mon 15/3

19:04-23:39

1 stop5h 35m

San Francisco

Wed 31/12

00:00-01:00

Nonstop0h 00m

£129

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 24 resultsSorted by cheapest first

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.

DEN-SFO

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

Prices

Airlines

Delays

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 74 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, January is the cheapest month in which you can book a flight from Denver to San Francisco (average of £175). Flying from Denver to San Francisco in July is currently the most expensive (average of £280). 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?

Unlike in the evening, when flights are generally more expensive, you can save up to 85% on flights from Denver to San Francisco by exploring options for tickets in the afternoon.

How much does it cost for a return flight from Denver to San Francisco?

Airfare is below average for this route at the moment.

Denver to San Francisco flights typically cost between £159 and £299 in October.
The cheapest return price found within the last 5 days was £132 on Frontier (15 Oct–22 Oct).

Related info for your journey

How popular is this Denver to San Francisco flight route?
This flight path from Denver Intl to San Francisco was viewed by 1 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 £184, Southwest can have you in San Francisco from Denver in 2h 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 Emirates (69%), Air Canada (66%) and Frontier (62%).
What are the cheapest flights from Denver to San Francisco?
While on average a flight from Denver to San Francisco is generally £167, our data shows the cheapest flight currently is £125. When looking at the most popular route, (Denver Intl - San Francisco), you can expect to pay £156 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, January is the cheapest month in which you can book a flight from Denver to San Francisco (average of £175). Flying from Denver to San Francisco in July is currently the most expensive (average of £280). 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.

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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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Cheap flights from Denver to San Francisco from £78

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Denver to San Francisco

Cheapest flights from Denver to San FranciscoExplore 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 2026.

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 2026.

Best flights from Denver to San FranciscoDiscover carefully curated flight deals from Denver to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from Denver to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Direct flights from Denver to San FranciscoExplore direct flight options from Denver to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Explore direct flight options from Denver to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Last-minute flights from Denver to San FranciscoDiscover last-minute flight deals from Denver to San Francisco. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Denver to San Francisco. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Denver to San FranciscoSearch for one-way flight options from Denver to San Francisco. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Denver to San Francisco. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

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Use the filters below to find and compare flights from Denver to San Francisco that are best for you.

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.

Cheapflights Insights

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 74 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?

What is the cheapest time of day to fly from DEN to SFO?

Unlike in the evening, when flights are generally more expensive, you can save up to 85% on flights from Denver to San Francisco by exploring options for tickets in the afternoon.

How much does it cost for a return flight from Denver to San Francisco?

Airfare is below average for this route at the moment.

Denver to San Francisco flights typically cost between £159 and £299 in October.The cheapest return price found within the last 5 days was £132 on Frontier (15 Oct–22 Oct).

Weekly flight availability from Denver to San Francisco

The most flights from DEN to SFO are scheduled on a Wednesday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

How often are flights from Denver to San Francisco delayed?

About 28% of weekly flights between Denver and San Francisco have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Denver to San Francisco flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Denver to San Francisco flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.

Related info for your journey

How popular is this Denver to San Francisco flight route?

How long is the flight from Denver to San Francisco?

What are the most reliable airlines from Denver to San Francisco?

What are the cheapest flights from Denver to San Francisco?

Can I find deals for flights from Denver to San Francisco that include hotel bookings?

How can I find direct flights from Denver to San Francisco?

Can I find deals for business class flights from Denver to San Francisco?

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

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Denver and San Francisco flights

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

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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 17 September 2026.

Best flights from Denver to San Francisco
Discover carefully curated flight deals from Denver to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Direct flights from Denver to San Francisco
Explore direct flight options from Denver to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Last-minute flights from Denver to San Francisco
Discover last-minute flight deals from Denver to San Francisco. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Denver to San Francisco
Search for one-way flight options from Denver to San Francisco. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Denver to San Francisco flights typically cost between £159 and £299 in October.
The cheapest return price found within the last 5 days was £132 on Frontier (15 Oct–22 Oct).