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 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

What are the cheapest airlines flying from Denver to San Francisco round-trip?

Accepted Answer

Flying on Southwest is currently your cheapest option to San Francisco, with prices starting at £109. Additional return tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at £124 and £156, respectively. Users have found that Southwest is 28% cheaper than the other options available to this destination.

Question 3

What are the cheapest airlines to fly from Denver to San Francisco one-way?

Accepted Answer

For one-way options, check prices for Frontier. According to our data, you can fly for as low as £34. Users have also found prices from £55 and £62 on Southwest and Alaska Airlines, respectively.

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 75 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 Friday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

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 8

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 9

What are the cheapest flights from Denver to San Francisco?

Accepted Answer

While on average a flight from Denver to San Francisco is generally £150, our data shows the cheapest flight currently is £83. When looking at the most popular route, (Denver Intl - San Francisco), you can expect to pay £68 for that flight.

Question 10

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 Air China (81%), ANA (80%) and Asiana Airlines (78%).

Question 11

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 1,063% on your flight compared to booking on days when demand is much higher.

Question 12

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 61 days before your planned departure. Booking around this time can save you about 112% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £124 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £271.

Question 13

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

Accepted Answer

Our data shows that September tends to be the cheapest month to fly to San Francisco from Denver. Users have commonly found prices around £152 for the month, but tickets can be as low as £49. Due to multiple factors, prepare for potentially higher prices in December.

Question 14

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 81% on flights from Denver to San Francisco by exploring options for tickets at midday.

Question 15

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 17 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 54m.

Question 16

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 17

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 18

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 19

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 20

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 21

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 22

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	£109
One-way from	£34
Popular in	December
Cheapest in	September
Average price	£160
Good round-trip deal	£83 or less
Good one-way deal	£111 or less

Cheap flights from Denver to San Francisco from £34

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Denver Intl to San Francisco are usually found in September or October, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Denver to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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 8 March 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 8 March 2025.

Find flights from Denver to San Francisco within your budget

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.

Travel insights for flights from Denver to San Francisco

Get recent, data-driven insights about flights from Denver to San Francisco including ideal travel times, pricing trends, and more.

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 28 February 2025.

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?

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 8 March 2025.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing 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.

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

How popular is this Denver to San Francisco flight route?

What are the cheapest airlines flying from Denver to San Francisco round-trip?

What are the cheapest airlines to fly from Denver to San Francisco one-way?

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 Denver?

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 8 March 2025.