Question 1

How popular is this San Francisco to Denver flight route?

Accepted Answer

Flights from San Francisco to Denver Intl have been viewed 37 times in the past calendar month. Find deals

Question 2

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

Accepted Answer

Cheapflights users have booked flights from San Francisco to Denver round-trip from $224. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $312, and Alaska Airlines, from $313. Users have found that Southwest is 33% cheaper than the other options available to this destination. Find deals

Question 3

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

Accepted Answer

$113 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and Hawaiian Airlines, with prices starting from $145 and $156, respectively. Find deals

Question 4

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure. Find deals

Question 5

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from San Francisco to Denver (average of $981). Flying from San Francisco to Denver in December is currently the most expensive (average of $1,617). 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 San Francisco to Denver?

Accepted Answer

Travellers seeking maximum savings on their San Francisco to Denver flight should consider departing on Monday mornings 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

Weekly flight availability from San Francisco to Denver

Accepted Answer

The most flights from SFO to DEN are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Question 10

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

Accepted Answer

The top 3 most reliable airlines when flying from San Francisco to Denver are United Airlines (90%), Virgin Australia (90%) and Air New Zealand (90%).

Question 11

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

Accepted Answer

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 861% when planning your travel around this day of the week.

Question 12

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

Accepted Answer

To save on the cost of your flight from San Francisco to Denver, book at least 31 days before your planned departure. Booking around this time can save you about 48% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $291 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $546.

Question 13

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

Accepted Answer

September can be a great time to fly to Denver from San Francisco with a flight ticket averaging about $339. Cheapflights users have found deals in the month of September for as cheap as $89. The most expensive prices can be found in the month of December.

Question 14

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

Accepted Answer

It’s optimal to fly from San Francisco to Denver in the morning. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight at midday.

Question 15

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

Accepted Answer

If you book a flight from San Francisco to Denver, you will be flying from San Francisco to Denver Intl. Flights to Denver Intl (DEN) from San Francisco (SFO) take 2h 38m for a nonstop flight. There are 46 flights from San Francisco to Denver per day from 1 airline.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Denver.

Question 18

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

Accepted Answer

Yes. Cheapflights offers flight deals from San Francisco to Denver 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 San Francisco to Denver?

Accepted Answer

Cheapflights helps you search for flights from San Francisco to Denver via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 20

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from San Francisco.

Question 21

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Denver flexibly with Cheapflights today.

Question 22

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

Accepted Answer

Yes! Start tracking prices for San Francisco to Denver 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	$224
One-way from	$113
Popular in	December
Cheapest in	September
Average price	$347

Cheap flights from San Francisco to Denver from $113

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Denver Intl are usually found in September or January, booked 30 days in advance, depart on a Monday or Sunday and return on a Tuesday

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Find flight deals from San Francisco to Denver

Cheapest flights from San Francisco to DenverExplore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2025.

Explore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2025.

Cheapflights Fare Finder

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

Best time to book a flight from San Francisco to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Denver

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Denver. Price data was last updated on 14 March 2025.

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

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

Find hourly flight availability from San Francisco to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 March 2025.

Weekly flight availability from San Francisco to Denver

Explore weekly flight availability from San Francisco to Denver. 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 22 March 2025.

Rainfall in Denver by month

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

Temperature in Denver by month

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

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 22 March 2025.

See what other customers who have flown with Southwest, Alaska Airlines and Delta from San Francisco to Denver have to say. 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 San Francisco to Denver. 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 San Francisco to Denver?

How popular is this San Francisco to Denver flight route?

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

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

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

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

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

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

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

Travelling to a place near San Francisco?

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Alternative routes for San Francisco to Denver

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Top airline flying from San Francisco to Denver

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

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

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

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

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Cheapest flights from San Francisco to Denver
Explore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2025.