What is the cheapest airline that flies from Denver Intl to San Francisco?

Alaska Airlines, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to San Francisco

How often are flights from Denver to San Francisco delayed?

Historically, on average around 17% of flights between Denver and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 150 minutes.

What is the most punctual flight time for Denver to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Denver to San Francisco on average per day?

As of November 2025, there are 44 flights per day flying from Denver to San Francisco. The most common time of day flights depart is 07:00, with 51% of flights taking off at midday.

Which airline has the best punctuality record on Denver to San Francisco flights?

According to our data, JetBlue have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

How many flights depart from Denver to San Francisco on average per week?

The number of flights available between Denver and San Francisco is 313 per week as of November 2025. The most frequent departure day is Sat, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from Denver Intl Airport to San Francisco Airport?

Prices for flights from Denver Intl Airport to San Francisco Airport are updated daily.

How old do you have to be to fly from Denver Intl Airport to San Francisco Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$120 Cheap Flights from Denver to San Francisco in 2025/26

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05:45 - 07:40DEN-SFO

2h 55mdirect

21:23 - 00:59SFO-DEN

2h 36mdirect

$222United Airlines

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Wed, 31 Dec - Tue, 6 Jan

05:45 - 09:55DEN-SFO

5h 10m1 stop

05:50 - 09:20SFO-DEN

2h 30mdirect

$226Southwest

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Thu, 12 Feb - Sun, 15 Feb

18:48 - 00:27DEN-SFO

6h 39m1 stop

06:24 - 10:06SFO-DEN

2h 42mdirect

$231Multiple Airlines

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Thu, 25 Dec - Thu, 1 Jan

07:50 - 09:45DEN-SFO

2h 55mdirect

07:40 - 15:50SFO-DEN

7h 10m2 stops

$234Southwest

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Fri, 16 Jan - Tue, 20 Jan

07:20 - 12:00DEN-SFO

5h 40m1 stop

07:00 - 18:41SFO-DEN

10h 41m1 stop

$235Alaska Airlines

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Thu, 18 Dec - Sun, 18 Jan

12:40 - 18:03DEN-SFO

6h 23m1 stop

18:13 - 23:59SFO-DEN

4h 46m1 stop

$251Alaska Airlines

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Sat, 6 Dec - Tue, 9 Dec

13:10 - 15:10DEN-SFO

3h 00mdirect

06:24 - 10:06SFO-DEN

2h 42mdirect

$268Frontier

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Tue, 23 Dec - Tue, 30 Dec

06:30 - 08:23DEN-SFO

2h 53mdirect

14:13 - 08:55SFO-DEN

17h 42m2 stops

$292Frontier

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Thu, 25 Dec - Thu, 1 Jan

12:40 - 17:40DEN-SFO

6h 00m1 stop

05:45 - 23:23SFO-DEN

16h 38m1 stop

$323Delta

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Thu, 18 Dec - Wed, 31 Dec

12:05 - 22:31DEN-SFO

11h 26m2 stops

13:20 - 18:58SFO-DEN

4h 38m1 stop

$331Delta

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Thu, 11 Dec - Mon, 15 Dec

United Airlines flights from Denver to San Francisco

Our best United Airlines deals on Denver to San Francisco flight tickets

United Airlines

31 Dec

DEN05:45Denver Intl

2h 55m

SFO07:40San Francisco

6 Jan

SFO21:23San Francisco

2h 36m

DEN00:59Denver Intl

$222

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United Airlines

9 Dec

DEN13:25Denver Intl

2h 51m

SFO15:16San Francisco

16 Dec

SFO05:00San Francisco

2h 39m

DEN08:39Denver Intl

$242

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United Airlines

7 Dec

DEN06:00Denver Intl

2h 50m

SFO07:50San Francisco

14 Dec

SFO05:00San Francisco

2h 40m

DEN08:40Denver Intl

$303

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Southwest flights from Denver to San Francisco

Our best Southwest deals on Denver to San Francisco flight tickets

Southwest

12 Feb

DEN05:45Denver Intl

5h 10m

1 stop

SFO09:55San Francisco

15 Feb

SFO05:50San Francisco

2h 30m

DEN09:20Denver Intl

$226

Find similar

Southwest

16 Jan

DEN07:50Denver Intl

2h 55m

SFO09:45San Francisco

20 Jan

SFO07:40San Francisco

7h 10m

2 stops

DEN15:50Denver Intl

$234

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Southwest

13 Dec

DEN07:45Denver Intl

2h 45m

SFO09:30San Francisco

15 Dec

SFO08:20San Francisco

2h 30m

DEN11:50Denver Intl

$252

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Fly from

Fly to

Route

Depart

Return

Price

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 31/12

05:45-07:40

Nonstop2h 55m

San Francisco

Tue 6/1

21:23-00:59

Nonstop2h 36m

$222

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 12/2

05:45-09:55

1 stop5h 10m

San Francisco

Sun 15/2

05:50-09:20

Nonstop2h 30m

$226

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 25/12

18:48-00:27

1 stop6h 39m

San Francisco

Thu 1/1

06:24-10:06

Nonstop2h 42m

$231

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 16/1

07:50-09:45

Nonstop2h 55m

San Francisco

Tue 20/1

07:40-15:50

2 stops7h 10m

$234

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 18/12

07:20-12:00

1 stop5h 40m

San Francisco

Sun 18/1

07:00-18:41

1 stop10h 41m

$235

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 6/12

12:40-18:03

1 stop6h 23m

San Francisco

Tue 9/12

18:13-23:59

1 stop4h 46m

$251

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 23/12

13:10-15:10

Nonstop3h 00m

San Francisco

Tue 30/12

06:24-10:06

Nonstop2h 42m

$268

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 25/12

06:30-08:23

Nonstop2h 53m

San Francisco

Thu 1/1

14:13-08:55

2 stops17h 42m

$292

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 18/12

12:40-17:40

1 stop6h 00m

San Francisco

Wed 31/12

05:45-23:23

1 stop16h 38m

$323

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 11/12

12:05-22:31

2 stops11h 26m

San Francisco

Mon 15/12

13:20-18:58

1 stop4h 38m

$331

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How to get the cheapest flight ticket from Denver to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel during the month of February, then book flights to San Francisco from Denver during January instead. Flights to San Francisco in January, while not as cheap as those in February, still average around $266.

What is the cheapest day to depart on your flight to San Francisco?

According to our data, Thursday is the cheapest day to fly to San Francisco from Denver. The lowest ticket price found for a Thursday departure recently was $1,731. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Denver to San Francisco for around $2,237.

What is the cheapest time of day to depart on your flight to San Francisco?

According to our data, the cheapest time of day to fly to San Francisco is in the evening. momondo users have found flights departing from Denver to San Francisco in the evening for as low as $2,175. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $2,479 on average. Flights to San Francisco from Denver in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Denver Intl to San Francisco flight route?

Fly from Denver Intl to San Francisco for the best Denver Intl - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $346 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Denver for as low as $249 on momondo.

What cabin class options are available on Denver Intl to San Francisco flights?

There is only 1 cabin class available to choose from on Denver Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Denver to San Francisco flight prices changed over time?

As of November 2025, prices for Denver to San Francisco flights are approximately 154% more expensive when compared to flights at the same time last year.

When to book flights from Denver to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Denver to San Francisco (DEN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to San Francisco

Fastest flight time	2h 40m
Direct flights	Every day
Airports in San Francisco	1 airport

The fastest flight from Denver to San Francisco takes 2h 40m

Direct flights go from Denver to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

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How far is Denver Intl to San Francisco by plane?
The distance between Denver Intl and San Francisco is about 1522.9 km. In terms of flight time, this usually takes a little over 2h 40m.
When did momondo last update prices for flights from Denver Intl Airport to San Francisco Airport?
Prices for flights from Denver Intl Airport to San Francisco Airport are updated daily.
How old do you have to be to fly from Denver Intl Airport to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Denver to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Denver to San Francisco is Boeing 737 MAX 8, representing 16.53% of all bookings. The subsequent popular models are Airbus A321neo at 15.70%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.83%, and Boeing 737 MAX 9 at 9.85%.

Redwood City

Sausalito

Carmel-by-the-Sea

Watsonville

Emeryville

San Mateo

Pacifica

Salinas

Burlingame

Pacific Grove

Pebble Beach

San Lorenzo

Why use momondo?

Why should I use momondo to find a flight deal from Denver to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Denver.

Can I find flights from Denver to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Denver and alert you when they change.

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Cheap flights from Denver to San Francisco from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Francisco departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Denver to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel during the month of February, then book flights to San Francisco from Denver during January instead. Flights to San Francisco in January, while not as cheap as those in February, still average around $266.

What is the cheapest day to depart on your flight to San Francisco?

What is the cheapest time of day to depart on your flight to San Francisco?

What is the cheapest Denver Intl to San Francisco flight route?

Fly from Denver Intl to San Francisco for the best Denver Intl - San Francisco flight prices

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

What cabin class options are available on Denver Intl to San Francisco flights?

There is only 1 cabin class available to choose from on Denver Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Denver to San Francisco flight prices changed over time?

As of November 2025, prices for Denver to San Francisco flights are approximately 154% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Denver Intl to San Francisco?

Alaska Airlines, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to San Francisco

How often are flights from Denver to San Francisco delayed?

Historically, on average around 17% of flights between Denver and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 150 minutes.

What is the most punctual flight time for Denver to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Denver to San Francisco flights?

According to our data, JetBlue have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

How many flights depart from Denver to San Francisco on average per day?

As of November 2025, there are 44 flights per day flying from Denver to San Francisco. The most common time of day flights depart is 07:00, with 51% of flights taking off at midday.

How many flights depart from Denver to San Francisco on average per week?

The number of flights available between Denver and San Francisco is 313 per week as of November 2025. The most frequent departure day is Sat, with 16% of weekly flights leaving on this day.

When to book flights from Denver to San Francisco

Cheap Denver to San Francisco (DEN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to San Francisco

Fastest flight time

Direct flights

Airports in San Francisco

How far is Denver Intl to San Francisco by plane?

When did momondo last update prices for flights from Denver Intl Airport to San Francisco Airport?

How old do you have to be to fly from Denver Intl Airport to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Denver to San Francisco?

Travelling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal from Denver to San Francisco?

Can I find flights from Denver to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Denver to San Francisco?

I’m not ready to book a flight from Denver to San Francisco right now. Can momondo alert me if prices change?

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California