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Cheap flights from Denver to San Francisco from $46

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 11/4. 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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0 bags

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Find the cheapest flights from Denver to San Francisco (DEN-SFO)

Cheap round-trip flights

Frontier Logo
8:45 pm - 10:33 pmDEN-SFO
2h 48mnonstop
Frontier Logo
7:10 am - 10:47 amSFO-DEN
2h 37mnonstop
$96Frontier
Find Deal
Wed, Sep 3 - Wed, Sep 10
Frontier Logo
8:39 pm - 10:27 pmDEN-SFO
2h 48mnonstop
Frontier Logo
6:00 am - 9:44 amSFO-DEN
2h 44mnonstop
$98Frontier
Find Deal
Tue, Oct 21 - Sat, Oct 25
Frontier Logo
8:41 pm - 10:30 pmDEN-SFO
2h 49mnonstop
Frontier Logo
7:10 am - 10:47 amSFO-DEN
2h 37mnonstop
$99Frontier
Find Deal
Wed, Sep 10 - Wed, Sep 17
Frontier Logo
8:41 pm - 10:30 pmDEN-SFO
2h 49mnonstop
Frontier Logo
7:10 am - 10:47 amSFO-DEN
2h 37mnonstop
$104Frontier
Find Deal
Wed, Sep 10 - Wed, Sep 17
Frontier Logo
8:41 pm - 10:30 pmDEN-SFO
2h 49mnonstop
Frontier Logo
7:10 am - 10:47 amSFO-DEN
2h 37mnonstop
$110Frontier
Find Deal
Tue, Sep 23 - Tue, Sep 30
Frontier Logo
8:45 pm - 10:33 pmDEN-SFO
2h 48mnonstop
Frontier Logo
7:10 am - 10:47 amSFO-DEN
2h 37mnonstop
$114Frontier
Find Deal
Wed, Sep 3 - Wed, Sep 10
Frontier Logo
8:41 pm - 10:30 pmDEN-SFO
2h 49mnonstop
Frontier Logo
7:10 am - 10:47 amSFO-DEN
2h 37mnonstop
$115Frontier
Find Deal
Sat, Sep 20 - Tue, Sep 23
Southwest Logo
4:55 pm - 9:25 pmDEN-SFO
5h 30m1 stop
Southwest Logo
5:55 am - 9:25 amSFO-DEN
2h 30mnonstop
$149Southwest
Find Deal
Sat, Sep 20 - Tue, Sep 23
Southwest Logo
8:50 pm - 10:25 pmDEN-SFO
2h 35mnonstop
Southwest Logo
6:00 am - 9:30 amSFO-DEN
2h 30mnonstop
$156Southwest
Find Deal
Tue, Aug 26 - Sun, Aug 31
American Airlines Logo
11:59 am - 6:54 pmDEN-SFO
7h 55m1 stop
American Airlines Logo
4:25 pm - 11:10 pmSFO-DEN
5h 45m1 stop
$161American Airlines
Find Deal
Thu, Aug 28 - Tue, Sep 2

Southwest flights from Denver to San Francisco

Our best Southwest deals on Denver to San Francisco flight tickets
Southwest
Sep 20
DEN4:55 pmDenver Intl
5h 30m
1 stop
SFO9:25 pmSan Francisco
Sep 23
SFO5:55 amSan Francisco
2h 30m
DEN9:25 amDenver Intl
$149
Find similar
Southwest
Aug 26
DEN8:50 pmDenver Intl
2h 35m
SFO10:25 pmSan Francisco
Aug 31
SFO6:00 amSan Francisco
2h 30m
DEN9:30 amDenver Intl
$156
Find similar

Frontier flights from Denver to San Francisco

Our best Frontier deals on Denver to San Francisco flight tickets
Frontier
Sep 3
DEN8:45 pmDenver Intl
2h 48m
SFO10:33 pmSan Francisco
Sep 10
SFO7:10 amSan Francisco
2h 37m
DEN10:47 amDenver Intl
$96
Find similar
Frontier
Oct 21
DEN8:39 pmDenver Intl
2h 48m
SFO10:27 pmSan Francisco
Oct 25
SFO6:00 amSan Francisco
2h 44m
DEN9:44 amDenver Intl
$98
Find similar
Frontier
Sep 10
DEN8:41 pmDenver Intl
2h 49m
SFO10:30 pmSan Francisco
Sep 17
SFO7:10 amSan Francisco
2h 37m
DEN10:47 amDenver Intl
$99
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 5, 2025.
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

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 9/3

8:45 pm-10:33 pm

Nonstop2h 48m

San Francisco

Wed 9/10

7:10 am-10:47 am

Nonstop2h 37m

$96

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 10/21

8:39 pm-10:27 pm

Nonstop2h 48m

San Francisco

Sat 10/25

6:00 am-9:44 am

Nonstop2h 44m

$98

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 9/10

8:41 pm-10:30 pm

Nonstop2h 49m

San Francisco

Wed 9/17

7:10 am-10:47 am

Nonstop2h 37m

$99

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 9/10

8:41 pm-10:30 pm

Nonstop2h 49m

San Francisco

Wed 9/17

7:10 am-10:47 am

Nonstop2h 37m

$104

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 9/23

8:41 pm-10:30 pm

Nonstop2h 49m

San Francisco

Tue 9/30

7:10 am-10:47 am

Nonstop2h 37m

$110

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 9/3

8:45 pm-10:33 pm

Nonstop2h 48m

San Francisco

Wed 9/10

7:10 am-10:47 am

Nonstop2h 37m

$114

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 9/20

8:41 pm-10:30 pm

Nonstop2h 49m

San Francisco

Tue 9/23

7:10 am-10:47 am

Nonstop2h 37m

$115

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 9/20

4:55 pm-9:25 pm

1 stop5h 30m

San Francisco

Tue 9/23

5:55 am-9:25 am

Nonstop2h 30m

$149

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 8/26

8:50 pm-10:25 pm

Nonstop2h 35m

San Francisco

Sun 8/31

6:00 am-9:30 am

Nonstop2h 30m

$156

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 8/28

11:59 am-6:54 pm

1 stop7h 55m

San Francisco

Tue 9/2

4:25 pm-11:10 pm

1 stop5h 45m

$161

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

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 to San Francisco during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $177.

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

The cheapest day to depart from Denver to San Francisco is on a Friday when prices can be found for as low as $291. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $528.

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

Our data shows that the cheapest Denver to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $297. Flights in the morning are often more expensive with an average ticket price of $413.

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 $212 when searching weeks out. 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 $169 on momondo.

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

There are 4 cabin classes 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.

Can stopping save me money on Denver to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Denver to San Francisco.

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

As of August 2025, prices for Denver to San Francisco flights are approximately 7% 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 round-trip 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

Best Price Found

$46

Fastest flight time

2h 35m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Denver in the past 72 hours is $46. The best round-trip flight deal from Denver to San Francisco found on momondo in the last 72 hours is $96.
The fastest flight from Denver to San Francisco takes 2h 35m
Direct flights go from Denver to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is Denver Intl to San Francisco by plane?

    Denver Intl and San Francisco are 946.3 mi apart from one another. Typically, this will take 2h 35m by plane in normal conditions.

  • 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 were last updated today.

  • How many operators does momondo search 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to San Francisco Airport.

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

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

  • What is the most popular airline from Denver to San Francisco?

Best airlines flying from Denver to San Francisco

Compare and see reviews for airlines that fly from Denver to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $57Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
SouthwestPriceFrom $141Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
United AirlinesPriceFrom $156Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights

  • Southwest Flights From Denver to San Francisco

    Southwest operates around 8 flights from Denver to San Francisco every week. The average price of these flights found in the last 72 hours has been $252, but momondo users have found Southwest deals from Denver to San Francisco from as low as $141 round-trip. Southwest has been scored 8.0/10 in 4,247 reviews.

  • United Airlines Flights From Denver to San Francisco

    $156 is the best United Airlines flight deal from Denver to San Francisco found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $316, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,910 user reviews) flies into San Francisco from Denver 59 times in an average week so prices can vary.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Calistoga
Hayward
Sonoma
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Berkeley
Fremont
Walnut Creek
Half Moon Bay
South San Francisco
Vallejo
Redwood City
Sunnyvale
Pacific Grove

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?

All flight searches from Denver to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Denver.

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

Of course. momondo tracks the price of Denver to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

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