San Francisco

$99+ Cheap flights from Denver to San Francisco (DEN - SFO)

DEN — SFO
Nov 2 — Nov 91
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Find cheap flights from Denver to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Denver Intl to San Francisco are usually found in January or February, booked 75 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Denver to San Francisco

Cheapest flights from Denver to San Francisco

Mon 12/141:46 pm -
1 stop7h 22m
Fri 1/15:00 pm -
Nonstop2h 41m
Deal found 10/2$157
Sun 11/1510:29 pm -
1 stop15h 22m
Wed 11/1812:20 pm -
Nonstop2h 39m
Deal found 10/2$160
Fri 10/239:16 am -
Nonstop2h 49m
Fri 10/3012:20 pm -
Nonstop2h 39m
Deal found 10/2$161
Wed 11/1110:29 pm -
Nonstop2h 51m
Sun 11/156:02 pm -
1 stop14h 44m
Deal found 10/1$162
Sat 10/2410:40 am -
1 stop12h 45m
Sat 10/3112:20 pm -
Nonstop2h 39m
Deal found 10/1$163
Wed 10/1410:29 pm -
Nonstop2h 46m
Mon 10/266:00 am -
Nonstop2h 46m
Deal found 9/30$164
Sat 11/2110:52 pm -
Nonstop2h 51m
Tue 11/249:23 pm -
Nonstop2h 40m
Deal found 9/30$165
Sun 10/1810:29 pm -
Nonstop2h 46m
Wed 10/216:00 am -
Nonstop2h 46m
Deal found 9/29$167
Sun 11/110:29 pm -
1 stop15h 22m
Fri 11/612:20 pm -
Nonstop2h 39m
Deal found 9/28$168
Sat 11/2110:50 pm -
1 stop9h 59m
Fri 11/279:23 pm -
Nonstop2h 40m
Deal found 9/29$169
Tue 10/2710:29 pm -
Nonstop2h 51m
Sun 11/110:23 pm -
1 stop13h 19m
Deal found 10/1$170

Find flight deals from Denver to San Francisco

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$283

Good round-trip deal

$280 or less

Good one-way deal

$151 or less
Provider with most accurate pricing for Denver Intl-San Francisco flight deals.
Provider most trusted by Cheapflights users for Denver Intl-San Francisco flights.
From Denver Intl to San Francisco
One-way flight from Denver Intl to San Francisco
Highest demand for flights based on searches. 15% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Denver Intl to San Francisco.
Price to beat on a one-way flight from Denver Intl to San Francisco.

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 round-trip
Quickest round-trip

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Mon 11/16

5:35 pm-7:20 pm

Nonstop2h 45m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$109

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Thu 11/26

12:55 pm-6:39 pm

1 stop6h 44m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$119

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Thu 10/15

10:29 pm-12:15 am

Nonstop2h 46m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$147

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Tue 10/27

6:00 am-7:48 am

Nonstop2h 48m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$159

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Thu 10/29

5:00 am-6:48 am

Nonstop2h 48m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$159

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Tue 12/29

6:00 am-7:52 am

Nonstop2h 52m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$159

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Sat 11/28

5:00 am-6:48 am

Nonstop2h 48m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$184

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Mon 11/23

7:15 pm-12:10 am

2 stops5h 55m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$194

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Sat 12/26

12:27 pm-6:18 pm

1 stop6h 51m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$194

DenverSan Francisco

DEN Denver Intl - SFO San Francisco

DENSFO

Denver Intl

Wed 12/30

5:45 am-11:15 am

2 stops6h 30m

San Francisco

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Denver to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to San Francisco in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip price

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?

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 $237). Flying from Denver to San Francisco in July is currently the most expensive (average of $377). 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?

It’s optimal to fly from Denver to San Francisco in the afternoon. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the evening.

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

Travelers seeking maximum savings on their Denver to San Francisco flight should consider departing on Saturday afternoons 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.

How much does it cost to fly round-trip from Denver to San Francisco?

Airfare is below average for this route at the moment.

Denver to San Francisco flights typically cost between $201 and $394 in December.
The cheapest round-trip price found within the last 5 days was $157 on Frontier (Dec 14-Jan 1).

The best insider tips for Denver to San Francisco flights

Cheapflights partnered with top experts to bring you the best recommendations for your Denver to San Francisco trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Alaska Airlines,Southwest, andUnited Airlines from Denver to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.

Related info for your journey

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

    If you book a flight from Denver to San Francisco, you will be flying from Denver Intl to San Francisco. Flights to San Francisco (SFO) from Denver Intl (DEN) take 2h 41m for a nonstop flight. There are 45 flights from Denver Intl to San Francisco per day from 4 airlines.

  • How popular is this Denver to San Francisco flight route?

  • How long is the flight from Denver to San Francisco?

    Southwest and Alaska Airlines can get you from Denver to San Francisco in just under 2h 40m. Your travel time can differ by up to 5h 56m. The distance from Denver to San Francisco is about 964 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $80, Frontier will fly you from Denver to San Francisco and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $194 and $224, respectively. Users have found that Frontier is 74% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from Denver to San Francisco for a low price.

  • 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 Air China (71%), Air Canada (69%) and Emirates (66%).

  • What are the cheapest flights from Denver to San Francisco?

    Looking for the cheapest flight from Denver to San Francisco? While on average our users pay $1,505, our data indicates the cheapest price to be $87. The most popular route (Denver Intl - San Francisco), is priced around $70.

  • 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 vacation 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 $237). Flying from Denver to San Francisco in July is currently the most expensive (average of $377). 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
Hayward
Burlingame
Rancho Cordova
San Bruno
Roseville
Redwood City
Cupertino
Newark
Fairfield
San Ramon
Manteca
Vallejo
San Carlos
Turlock
Davis

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Denver to San Francisco

Top 4 airlines flying from Denver to San Francisco

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$80Average$239FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$194Average$405FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$224Average$377FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$237Average$306FlexibilityNo cancel feeOn-time75%

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