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Cheap flights from San Francisco to Denver from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Denver departing on 12/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 12:47 pmSFO-DEN
5h 47m1 stop
Frontier Logo
10:51 am - 4:04 pmDEN-SFO
6h 13m1 stop
$111Frontier
Find Deal
jue., dic. 4 - lun., dic. 8
Frontier Logo
6:00 am - 9:08 amSFO-DEN
26h 08m1 stop
Frontier Logo
6:05 am - 8:08 amDEN-SFO
3h 03mnonstop
$112Frontier
Find Deal
mar., nov. 25 - vie., nov. 28
Frontier Logo
6:18 am - 10:00 amSFO-DEN
2h 42mnonstop
Frontier Logo
9:33 am - 4:51 pmDEN-SFO
8h 18m1 stop
$113Frontier
Find Deal
mar., dic. 2 - mar., dic. 9
Frontier Logo
3:46 pm - 10:56 pmSFO-DEN
6h 10m1 stop
Frontier Logo
10:30 pm - 12:25 amDEN-SFO
2h 55mnonstop
$114Frontier
Find Deal
jue., feb. 12 - dom., feb. 15
Frontier Logo
6:30 am - 10:12 amSFO-DEN
2h 42mnonstop
Frontier Logo
9:15 pm - 11:07 pmDEN-SFO
2h 52mnonstop
$115Frontier
Find Deal
dom., dic. 14 - mié., dic. 17
Frontier Logo
11:55 am - 3:37 pmSFO-DEN
2h 42mnonstop
Frontier Logo
8:00 am - 7:46 pmDEN-SFO
12h 46m1 stop
$116Frontier
Find Deal
vie., ene. 16 - lun., ene. 19
Southwest Logo
6:05 am - 9:35 amSFO-DEN
2h 30mnonstop
Southwest Logo
7:50 am - 9:45 amDEN-SFO
2h 55mnonstop
$117Southwest
Find Deal
vie., ene. 23 - dom., ene. 25
Frontier Logo
2:13 pm - 8:12 pmSFO-DEN
4h 59m1 stop
Frontier Logo
6:00 am - 7:53 amDEN-SFO
2h 53mnonstop
$118Frontier
Find Deal
jue., dic. 4 - dom., dic. 7
Frontier Logo
6:18 am - 10:00 amSFO-DEN
2h 42mnonstop
Frontier Logo
10:29 pm - 12:24 amDEN-SFO
2h 55mnonstop
$119Frontier
Find Deal
mar., dic. 2 - sáb., dic. 6
Frontier Logo
6:24 am - 10:06 amSFO-DEN
2h 42mnonstop
Frontier Logo
5:43 pm - 10:03 pmDEN-SFO
5h 20m1 stop
$120Frontier
Find Deal
vie., dic. 26 - lun., ene. 5

Frontier flights from San Francisco to Denver

Our best Frontier deals on San Francisco to Denver flight tickets
Frontier
Dec 4
SFO6:00 amSan Francisco
5h 47m
1 stop
DEN12:47 pmDenver Intl
Dec 8
DEN10:51 amDenver Intl
6h 13m
1 stop
SFO4:04 pmSan Francisco
$111
Find similar
Frontier
Nov 25
SFO6:00 amSan Francisco
26h 08m
1 stop
DEN9:08 amDenver Intl
Nov 28
DEN6:05 amDenver Intl
3h 03m
SFO8:08 amSan Francisco
$112
Find similar
Frontier
Dec 2
SFO6:18 amSan Francisco
2h 42m
DEN10:00 amDenver Intl
Dec 11
DEN9:05 pmDenver Intl
13h 49m
1 stop
SFO9:54 amSan Francisco
$113
Find similar

Southwest flights from San Francisco to Denver

Our best Southwest deals on San Francisco to Denver flight tickets
Southwest
Jan 23
SFO6:05 amSan Francisco
2h 30m
DEN9:35 amDenver Intl
Jan 25
DEN7:50 amDenver Intl
2h 55m
SFO9:45 amSan Francisco
$117
Find similar
Southwest
Jan 17
SFO7:25 amSan Francisco
7h 35m
2 stops
DEN4:00 pmDenver Intl
Jan 19
DEN7:50 amDenver Intl
2h 55m
SFO9:45 amSan Francisco
$152
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Denver 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 noviembre 13, 2025.
Use the filters below to find and compare flights from San Francisco to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

jue. 12/4

6:00 am-12:47 pm

1 stop5h 47m

Denver Intl

lun. 12/8

10:51 am-4:04 pm

1 stop6h 13m

$111

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

mar. 11/25

6:00 am-9:08 am

1 stop26h 08m

Denver Intl

vie. 11/28

6:05 am-8:08 am

Nonstop3h 03m

$112

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

mar. 12/2

6:18 am-10:00 am

Nonstop2h 42m

Denver Intl

mar. 12/9

9:33 am-4:51 pm

1 stop8h 18m

$113

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

jue. 2/12

3:46 pm-10:56 pm

1 stop6h 10m

Denver Intl

dom. 2/15

10:30 pm-12:25 am

Nonstop2h 55m

$114

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

dom. 12/14

6:30 am-10:12 am

Nonstop2h 42m

Denver Intl

mié. 12/17

9:15 pm-11:07 pm

Nonstop2h 52m

$115

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

vie. 1/16

11:55 am-3:37 pm

Nonstop2h 42m

Denver Intl

lun. 1/19

8:00 am-7:46 pm

1 stop12h 46m

$116

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

vie. 1/23

6:05 am-9:35 am

Nonstop2h 30m

Denver Intl

dom. 1/25

7:50 am-9:45 am

Nonstop2h 55m

$117

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

jue. 12/4

2:13 pm-8:12 pm

1 stop4h 59m

Denver Intl

dom. 12/7

6:00 am-7:53 am

Nonstop2h 53m

$118

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

mar. 12/2

6:18 am-10:00 am

Nonstop2h 42m

Denver Intl

sáb. 12/6

10:29 pm-12:24 am

Nonstop2h 55m

$119

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

vie. 12/26

6:24 am-10:06 am

Nonstop2h 42m

Denver Intl

lun. 1/5

5:43 pm-10:03 pm

1 stop5h 20m

$120

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 Denver from

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

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 Denver?

The cheapest month to fly to Denver from San Francisco is in January. Flight prices, which tend to average around $188, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until March to fly from San Francisco, when ticket prices are also cheap, with an average price of $201.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $307. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $375.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $258. Flights at noon are often more expensive with an average ticket price of $378.

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

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

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

You are more likely to see cheaper flights to Denver from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $232 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Francisco for as low as $190 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco to Denver Intl 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 San Francisco to Denver flights?

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

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

As of November 2025, prices for San Francisco to Denver flights are approximately 83% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Denver

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

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

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

Best Price Found

$134

Fastest flight time

2h 25m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from San Francisco in the past 72 hours is $134. The best round-trip flight deal from San Francisco to Denver found on momondo in the last 72 hours is $214.
The fastest flight from San Francisco to Denver takes 2h 25m
Direct flights go from San Francisco to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

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

    The distance between San Francisco and Denver Intl is about 946.3 mi. 2h 30m is a normal flight duration for this route.

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

    Prices for flights from San Francisco Airport to Denver Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Denver Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to Denver Intl 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 layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The required travel and health documents for your Denver Intl 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 Denver Intl 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 San Francisco to Denver?

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

Best airlines flying from San Francisco to Denver

Compare and see reviews for airlines that fly from San Francisco to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $69Free CancellationRating
5.8
3,113 reviews
Search Frontier flights
Allegiant AirPriceFrom $88Free CancellationRating
7.2
698 reviews
Search Allegiant Air flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
United AirlinesPriceFrom $169Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
American AirlinesPriceFrom $176Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,007 reviews
Search Delta flights

  • Southwest Flights From San Francisco to Denver

    Southwest operates around 27 flights from San Francisco to Denver every week. The average price of these flights found in the last 72 hours has been $277, but momondo users have found Southwest deals from San Francisco to Denver from as low as $157 round-trip. Southwest has been scored 8.0/10 in 4,236 reviews.

  • United Airlines Flights From San Francisco to Denver

    $169 is the best United Airlines flight deal from San Francisco to Denver found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $334, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,015 user reviews) flies into Denver from San Francisco 41 times in an average week so prices can vary.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

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

It is quick and easy to find San Francisco to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

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

Yes. momondo enables you to select and highlight flights to Denver from San Francisco with this policy.

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

Once you have performed a search for San Francisco to Denver flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of San Francisco to Denver 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 Denver trip

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