Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.
4:10 pm - 7:50 pmSFO-DEN
2h 40mnonstop
10:38 pm - 12:33 amDEN-SFO
2h 55mnonstop
$83Frontier
Find Deal
Sat, Apr 26 - Sat, Apr 26
6:00 am - 9:39 amSFO-DEN
2h 39mnonstop
12:49 pm - 2:38 pmDEN-SFO
2h 49mnonstop
$87Frontier
Find Deal
Tue, Apr 22 - Wed, Apr 23
5:10 am - 10:45 amSFO-DEN
4h 35m1 stop
10:30 pm - 12:05 amDEN-SFO
2h 35mnonstop
$151Southwest
Find Deal
Thu, May 8 - Sun, May 11
5:10 am - 12:50 pmSFO-DEN
6h 40m2 stops
10:30 pm - 12:05 amDEN-SFO
2h 35mnonstop
$156Southwest
Find Deal
Thu, May 8 - Sun, May 11
5:00 am - 8:38 amSFO-DEN
2h 38mnonstop
5:20 am - 7:10 amDEN-SFO
2h 50mnonstop
$201United Airlines
Find Deal
Thu, May 15 - Sat, May 17
5:05 pm - 10:30 pmSFO-DEN
4h 25m1 stop
7:17 pm - 11:09 pmDEN-SFO
4h 52m1 stop
$217Delta
Find Deal
Fri, May 9 - Wed, May 14
6:00 am - 12:10 pmSFO-DEN
5h 10m1 stop
4:30 pm - 9:00 pmDEN-SFO
5h 30m1 stop
$228American Airlines
Find Deal
Wed, May 21 - Sun, May 25
5:12 pm - 10:26 pmSFO-DEN
4h 14m1 stop
5:45 am - 9:14 amDEN-SFO
4h 29m1 stop
$237Delta
Find Deal
Mon, Apr 21 - Fri, Apr 25
6:31 am - 12:46 pmSFO-DEN
5h 15m1 stop
6:46 pm - 11:58 pmDEN-SFO
6h 12m1 stop
$238American Airlines
Find Deal
Sat, Apr 19 - Mon, Apr 21
2:25 pm - 6:07 pmSFO-DEN
2h 42mnonstop
5:15 am - 7:05 amDEN-SFO
2h 50mnonstop
$259United Airlines
Find Deal
Sat, Apr 19 - Sun, Apr 20

Alaska Airlines flights from San Francisco to Denver

Our best Alaska Airlines deals on San Francisco to Denver flight tickets
Alaska Airlines
May 3
SFO8:00 amSan Francisco
12h 15m
1 stop
DEN9:15 pmDenver Intl
May 7
DEN8:20 amDenver Intl
9h 21m
1 stop
SFO4:41 pmSan Francisco
Alaska Airlines
Apr 23
SFO12:05 pmSan Francisco
8h 10m
1 stop
DEN9:15 pmDenver Intl
Apr 30
DEN7:00 amDenver Intl
7h 32m
1 stop
SFO1:32 pmSan Francisco
Alaska Airlines
May 6
SFO8:00 amSan Francisco
12h 15m
1 stop
DEN9:15 pmDenver Intl
May 13
DEN8:20 amDenver Intl
8h 05m
2 stops
SFO3:25 pmSan Francisco

Southwest flights from San Francisco to Denver

Our best Southwest deals on San Francisco to Denver flight tickets
Southwest
May 8
SFO5:10 amSan Francisco
4h 35m
1 stop
DEN10:45 amDenver Intl
May 11
DEN10:30 pmDenver Intl
2h 35m
SFO12:05 amSan Francisco
Southwest
May 8
SFO5:10 amSan Francisco
6h 40m
2 stops
DEN12:50 pmDenver Intl
May 11
DEN10:30 pmDenver Intl
2h 35m
SFO12:05 amSan Francisco
Southwest
Apr 25
SFO5:10 amSan Francisco
4h 35m
1 stop
DEN10:45 amDenver Intl
Apr 30
DEN7:20 amDenver Intl
5h 00m
1 stop
SFO11:20 amSan 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 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 $364.

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 $241. Flights in the morning are often more expensive with an average ticket price of $361.

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 $161 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 March 2025, prices for San Francisco to Denver flights are approximately 20% 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 35m

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 $83.
The fastest flight from San Francisco to Denver takes 2h 35m
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 35m 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
3,274 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $116Free CancellationRating
8.0
9,811 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $156Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
American AirlinesPriceFrom $187Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $195Free CancellationRating
8.0
7,899 reviews
Search Delta flights
  • Southwest Flights From San Francisco to Denver

    Southwest operates around 24 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 $159 round-trip. Southwest has been scored 8.0/10 in 4,275 reviews.

  • United Airlines Flights From San Francisco to Denver

    $156 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 $333, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,614 user reviews) flies into Denver from San Francisco 42 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
Greeley
Manitou Springs
Thornton
Sterling
Winter Park
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.


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 4/5
Sat 4/12

Find better results for your trip to the United States