Question 1

How popular is this Denver to San Francisco flight route?

Accepted Answer

This flight path from Denver Intl to San Francisco was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

How long is the flight from Denver to San Francisco?

Accepted Answer

For as low as £116, Southwest can have you in San Francisco from Denver in 2h 40m. 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.

Question 3

What is the cheapest airline to fly from Denver to San Francisco round-trip?

Accepted Answer

Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at £78. Users have found that Frontier is 51% cheaper than the other options available to this destination.

Question 4

How far ahead should I book a flight from Denver to San Francisco?

Accepted Answer

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.

Question 5

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Denver to San Francisco (average of £538). Flying from Denver to San Francisco in July is currently the most expensive (average of £803). 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.

Question 6

What is the cheapest day to fly from Denver to San Francisco?

Accepted Answer

Travellers seeking maximum savings on their Denver to San Francisco flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Denver to San Francisco

Accepted Answer

The most flights from DEN to SFO are scheduled on a Friday (52 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (37 on average).

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

What are the cheapest flights from Denver to San Francisco?

Accepted Answer

While on average a flight from Denver to San Francisco is generally £113, our data shows the cheapest flight currently is £77. When looking at the most popular route, (Denver Intl - San Francisco), you can expect to pay £87 for that flight.

Question 11

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

Accepted Answer

The top 3 most reliable airlines when flying from Denver to San Francisco are Emirates (84%), Air China (79%) and ANA (75%).

Question 12

What is the cheapest day to fly round-trip from Denver to San Francisco?

Accepted Answer

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 93% on your flight compared to booking on days when demand is much higher.

Question 13

How far in advance should I book a flight from Denver to San Francisco?

Accepted Answer

To save on the cost of your flight from Denver to San Francisco, book at least 50 days before your planned departure. Booking around this time can save you about 84% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £136 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £253.

Question 14

What is the cheapest month to fly from Denver to San Francisco?

Accepted Answer

Our data shows that February tends to be the cheapest month to fly to San Francisco from Denver. Users have commonly found prices around £159 for the month, but tickets can be as low as £41. Due to multiple factors, prepare for potentially higher prices in July.

Question 15

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

Accepted Answer

Unlike in the morning, when flights are generally more expensive, you can save up to 55% on flights from Denver to San Francisco by exploring options for tickets at midday.

Question 16

What airports do I use to fly from Denver to San Francisco?

Accepted Answer

You will need to book a flight from Denver Intl to San Francisco if you want to fly from Denver to San Francisco. At least 1 airline has flights from Denver Intl (DEN) to San Francisco (SFO) on a regular basis. There are 44 flights to San Francisco from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to SFO to be around 2h 42m.

Question 17

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

Accepted Answer

Yes. In addition to deals on Denver to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

How does Cheapflights help users find flights from Denver to San Francisco?

Accepted Answer

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.

Question 21

Why should you use Cheapflights to find cheap flight tickets from Denver to San Francisco?

Accepted Answer

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.

Question 22

Can Cheapflights find flights from Denver to San Francisco with no change fees?

Accepted Answer

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.

Question 23

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

Accepted Answer

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!

Round-trip from	£116
One-way from	£65
Popular in	July
Cheapest in	February
Average price	£175
Good one-way deal	£77 or less

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Denver Intl to San Francisco are usually found in February or October, booked 81 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Denver to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find 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 25 August 2025.

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 25 August 2025.

Cheapflights Fare Finder

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

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?

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?

Weekly flight availability from Denver to San Francisco

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with Frontier from Denver to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What airports do I use to fly from Denver to San Francisco?

How popular is this Denver to San Francisco flight route?

How long is the flight from Denver to San Francisco?

What is the cheapest airline to fly from Denver to San Francisco round-trip?

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?

Travelling to a place near San Francisco?

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.

Top airline flying from Denver to San Francisco

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?

Why should you use Cheapflights to find cheap flight tickets from Denver to San Francisco?

Can Cheapflights find flights from Denver to San Francisco with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 25 August 2025.