Question 1

How popular is this Denver to San Francisco flight route?

Accepted Answer

Within the past month, 12 users have taken a look at flights from Denver Intl to San Francisco. Find deals

Question 2

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

Accepted Answer

Currently priced at $239, Southwest will fly you from Denver to San Francisco and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Hawaiian Airlines - these airlines can fly you to your destination from $251 and $268, respectively. Southwest is 23% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

Question 3

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

Accepted Answer

To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $143. Alaska Airlines flights start at $160 while deals on Delta start at $166 one-way. Find deals

Question 4

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

Accepted Answer

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be. Find deals

Question 5

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of $876). Flying from Denver to San Francisco in December is currently the most expensive (average of $1,375). 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 evenings when fares are most often at their lowest. Thursday 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 Wednesday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (25 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 most reliable airlines from Denver to San Francisco?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to San Francisco on time: Air China (100%), ANA (93%), Emirates (90%).

Question 11

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

Accepted Answer

Wednesday is generally a great day to depart. Flying on this day could help you save up to 78%.

Question 12

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

Accepted Answer

Users have found that booking a flight from Denver to San Francisco at least 23 days early can save you up to 84% on average compared to booking a flight this week. If booking 23 days before your flight isn’t an option for you, users have found flights from Denver to San Francisco for as little as $271 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $502 for flights departing within the next 3 days.

Question 13

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

Accepted Answer

The best pricing can be found in the month of February. Prices to San Francisco from Denver average $312. You can even find prices in February for less than $312, as users have found deals to San Francisco from as low as $85. The month of June appears to be one of the more expensive times to travel to San Francisco from Denver. Flying in the targeted month can save you up to 30%.

Question 14

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to San Francisco as you normally would.

Question 15

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 16

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 17

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 18

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Denver today with Cheapflights!

Question 19

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Denver to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 20

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

Accepted Answer

Yes, we can. To see specific flights from Denver to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 21

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

Accepted Answer

Yes! Start tracking prices for Denver to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	$239
One-way from	$143
Popular in	June
Cheapest in	February
Average price	$330

Cheap flights from Denver to San Francisco from $143

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 19/8. 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 September, booked 81 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Denver to San Francisco

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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 4 July 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 4 July 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?

Use this chart to determine the optimal time to book a return flight from Denver to San Francisco. Price data was last updated on 27 June 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 4 July 2025.

Weekly flight availability from Denver to San Francisco

Explore weekly flight availability from Denver to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with Alaska Airlines, Southwest, andDelta from Denver to San Francisco to help guide your decision. You can also see how each airline stacks up 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.

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?

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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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?

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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 4 July 2025.