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Cheap flights from San Francisco to Denver from $43

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 5/14. 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 San Francisco to Denver

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Francisco to Denver.
Frontier Logo
6:35 am - 10:14 amSFO-DEN
2h 39mnonstop
Frontier Logo
1:23 pm - 3:17 pmDEN-SFO
2h 54mnonstop
$81Frontier
Find Deal
Sat, May 10 - Sat, May 10
Frontier Logo
3:34 pm - 7:16 pmSFO-DEN
2h 42mnonstop
Frontier Logo
12:49 pm - 2:44 pmDEN-SFO
2h 55mnonstop
$86Frontier
Find Deal
Tue, May 6 - Tue, May 13
Frontier Logo
3:34 pm - 7:16 pmSFO-DEN
2h 42mnonstop
Frontier Logo
9:45 pm - 11:36 pmDEN-SFO
2h 51mnonstop
$87Frontier
Find Deal
Tue, May 13 - Tue, May 20
Southwest Logo
9:00 am - 12:35 pmSFO-DEN
2h 35mnonstop
Southwest Logo
10:20 am - 12:05 pmDEN-SFO
2h 45mnonstop
$141Southwest
Find Deal
Sat, May 10 - Mon, May 12
Southwest Logo
5:25 am - 10:50 amSFO-DEN
4h 25m1 stop
Southwest Logo
9:50 pm - 11:30 pmDEN-SFO
2h 40mnonstop
$207Southwest
Find Deal
Wed, Jul 16 - Sat, Jul 19
United Airlines Logo
4:30 pm - 8:09 pmSFO-DEN
2h 39mnonstop
United Airlines Logo
7:45 am - 9:36 amDEN-SFO
2h 51mnonstop
$211United Airlines
Find Deal
Tue, May 6 - Sun, May 11
Delta Logo
1:18 pm - 7:53 pmSFO-DEN
5h 35m1 stop
Delta Logo
6:05 am - 9:58 amDEN-SFO
4h 53m1 stop
$217Delta
Find Deal
Wed, Jun 11 - Sat, Jun 21
Alaska Airlines Logo
2:34 pm - 9:15 pmSFO-DEN
5h 41m1 stop
Alaska Airlines Logo
2:39 pm - 1:58 pmDEN-SFO
24h 19m2 stops
$233Alaska Airlines
Find Deal
Sat, May 10 - Wed, May 14
Alaska Airlines Logo
2:34 pm - 9:15 pmSFO-DEN
5h 41m1 stop
Alaska Airlines Logo
8:20 am - 6:26 pmDEN-SFO
11h 06m2 stops
$234Alaska Airlines
Find Deal
Tue, May 6 - Tue, May 13
Delta Logo
1:18 pm - 7:53 pmSFO-DEN
5h 35m1 stop
Delta Logo
7:10 am - 12:12 pmDEN-SFO
6h 02m1 stop
$237Delta
Find Deal
Wed, Jun 25 - Mon, Jun 30

United Airlines flights from San Francisco to Denver

Our best United Airlines deals on San Francisco to Denver flight tickets
United Airlines
May 6
SFO4:30 pmSan Francisco
2h 39m
DEN8:09 pmDenver Intl
May 11
DEN7:45 amDenver Intl
2h 51m
SFO9:36 amSan Francisco
United Airlines
Apr 22
SFO4:25 pmSan Francisco
2h 40m
DEN8:05 pmDenver Intl
Apr 23
DEN7:45 amDenver Intl
2h 51m
SFO9:36 amSan Francisco
United Airlines
Apr 22
SFO7:05 pmSan Francisco
2h 39m
DEN10:44 pmDenver Intl
Apr 24
DEN9:53 amDenver Intl
2h 51m
SFO11:44 amSan Francisco

Frontier flights from San Francisco to Denver

Our best Frontier deals on San Francisco to Denver flight tickets
Frontier
May 10
SFO6:35 amSan Francisco
2h 39m
DEN10:14 amDenver Intl
May 10
DEN1:23 pmDenver Intl
2h 54m
SFO3:17 pmSan Francisco
Frontier
May 6
SFO3:34 pmSan Francisco
2h 42m
DEN7:16 pmDenver Intl
May 13
DEN12:49 pmDenver Intl
2h 55m
SFO2:44 pmSan Francisco
Frontier
May 13
SFO3:34 pmSan Francisco
2h 42m
DEN7:16 pmDenver Intl
May 20
DEN9:45 pmDenver Intl
2h 51m
SFO11:36 pmSan Francisco

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 typical price of a round-trip flight between San Francisco and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from San Francisco is in September. Flight prices, which tend to average around $186, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until January to fly from San Francisco, when ticket prices are also cheap, with an average price of $191.

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 Wednesday when prices can be found for as low as $298. 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 $366.

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 $239. Flights in the morning are often more expensive with an average ticket price of $360.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $214 when searching 4 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 $162 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.

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

As of April 2025, prices for San Francisco to Denver flights are approximately 29% cheaper 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

$43

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 $43. The best round-trip flight deal from San Francisco to Denver found on momondo in the last 72 hours is $81.
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)

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

    The distance between San Francisco and Denver Intl is about 946.3 mi. 2h 25m 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 $58Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $116Free CancellationRating
8.0
9,882 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $148Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $155Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
8.0
7,917 reviews
Search Delta flights
  • Southwest Flights From San Francisco to Denver

    Southwest operates around 23 flights from San Francisco to Denver every week. The average price of these flights found in the last 72 hours has been $280, but momondo users have found Southwest deals from San Francisco to Denver from as low as $148 round-trip. Southwest has been scored 8.0/10 in 4,280 reviews.

  • United Airlines Flights From San Francisco to Denver

    $155 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 $332, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,667 user reviews) flies into Denver from San Francisco 56 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
Estes Park
Breckenridge
Aurora
Black Hawk
Fort Collins
Keystone
Lakewood
Longmont
Cripple Creek
Boulder
Westminster
Manitou Springs
Thornton
Greeley
Winter Park
Sterling
Silverthorne
Copper Mountain
Golden
Centennial

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.


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Tue 4/22
Tue 4/29

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