Can I fly direct from San Francisco to Denver?

Yes, direct flights from San Francisco to Denver are available. Historically, approximately 41.1% of flights on this route have been direct. For those flights that include stops, the median number of stopovers when connecting is typically two. This indicates that while direct options are common, connecting flights with multiple stops are also part of the historical flight patterns for this route.

What's the flight time from San Francisco to Denver?

The typical direct flight time from San Francisco to Denver is approximately 2 hours and 46 minutes, covering a distance of 1554 kilometers. For flights with one stop, the median duration historically extends to about 9 hours and 45 minutes. Travelers should account for these differences when planning their journey, as connecting flights significantly increase the overall travel time.

Are there frequently good prices on flights from San Francisco to Denver?

Historically, good prices on flights from San Francisco to Denver are observed with frequent regularity. This route is classified as one with frequent deals across the trailing 30 days. Travelers can typically find favorable fares, suggesting that opportunities for good value flights appear often. This pattern makes it a route where consistent monitoring for deals can be beneficial.

Flights From San Francisco

To Denver

Cheap Flights from San Francisco to Denver

Browse current best options from San Francisco. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Francisco

RatePunk searches hundreds of travel sites at once for deals on flights to Denver

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from San Francisco to Denver

Explore current cheapest deals departing from San Francisco to Denver

2026-09-21 – 2026-10-21
SFO - Denver
74% AI deal score
$167
$118
Round trip
2026-08-24 – 2026-09-10
SFO - Denver
76% AI deal score
$183
$118
Round trip
2026-08-24 – 2026-09-09
SFO - Denver
76% AI deal score
$184
$118
Round trip
2026-08-24 – 2026-09-16
SFO - Denver
75% AI deal score
$181
$118
Round trip
2026-08-24 – 2026-09-14
SFO - Denver
75% AI deal score
$181
$118
Round trip
2026-09-02 – 2026-09-09
SFO - Denver
74% AI deal score
$195
$130
Round trip
2026-08-18 – 2026-08-19
SFO - Denver
79% AI deal score
$244
$131
Round trip
2026-08-17 – 2026-08-19
SFO - Denver
79% AI deal score
$246
$132
Round trip
2026-09-02 – 2026-09-16
SFO - Denver
67% AI deal score
$169
$132
Round trip
2026-08-19 – 2026-08-26
SFO - Denver
77% AI deal score
$225
$133
Round trip

San Francisco to Denver: Overview

Insights for flights from San Francisco to Denver

Fares for cheap flights from San Francisco to Denver typically range from $239 to $508, with a median price of $345. Right now, prices are near the typical level for this route. New deals appear almost daily, offering frequent opportunities for travelers.

When considering the cheapest time to fly from San Francisco to Denver, April stands out with a median fare of just $98. May also offers competitive prices, with a median of $128. Looking ahead, November presents another option, with a median fare of $261.

A typical journey from San Francisco to Denver covers a distance of 1,554 kilometers, classifying it as a medium-haul flight.

The typical journey time for flights from San Francisco to Denver is 2h 46m. While a meaningful share of itineraries are non-stop, the rest connect, typically involving 2 stopovers.

How much is a round trip from San Francisco to Denver

Regular price: $139 - $237

Prices are currently below the regular range.

The regular price range for flights from San Francisco to Denver is $139 to $237. The current lowest deal is $115 with Frontier Airlines for travel from Sep 10-Sep 21.

now $115

Low $139

High $237

The cheapest time to fly from San Francisco to Denver

The cheapest month to fly from SFO to DEN is May, with a median price of $118. The most expensive month is June, with a median price of $501. Prices are generally lower from January to November.

May

Cheapest

Flights from $118

June

Most Expensive

Flights from $501

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Francisco to Denver

Frontier Airlines

Last-minute flights going from San Francisco to Denver

Sat, Aug 8

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$277

$197

One-way

Mon, Aug 10

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$260

$188

One-way

Tue, Aug 11

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$252

$173

One-way

Tue, Aug 11

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$252

$190

One-way

Wed, Aug 12

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$224

$136

One-way

Wed, Aug 12

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$232

$158

One-way

Biggest price drops on these dates for flights from San Francisco to Denver

2 nights

Aug 17 - Aug 19

$244 → $132

46%

1 night

Aug 19 - Aug 20

$243 → $137

44%

3 nights

Aug 22 - Aug 25

$239 → $140

41%

3 nights

Aug 19 - Aug 22

$241 → $145

40%

Popular Airports to fly from San Francisco to Denver

San Francisco - Denver route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from San Francisco to Denver are near the typical level at a median of $345.

📅 Best time to fly

Fly in April, May, or November for the best prices

Historically, the cheapest months to fly from San Francisco to Denver are April, May, and November.

⏱️ Flight duration

Direct flights take 2h 46m

A direct flight from San Francisco to Denver typically takes 2h 46m.

✈️ Airlines & availability

41.1% of flights are direct

Historically, 41.1% of flights from San Francisco to Denver are direct, with mixed availability.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one airline that historically offers direct flights on this route.

🎯 Booking tip

Deals are frequent on this route

Deals from San Francisco to Denver are frequent, appearing within a 30-day window.

San Francisco main airports to depart from

San Francisco International (SFO)

Cheapest

San Francisco International is a convenient departure airport for flights from San Francisco to Denver.

📍 ~18 km from San Francisco (reachable by car or train)

💸 Flights from ~$122

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is a convenient arrival choice for flights from San Francisco to Denver.

📍 ~30 km from city center (reachable by car)

💸 Flights from ~$122

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs is a reliable alternative for Denver with robust flight schedules and multiple major carriers.

📍 ~110 km from Denver (reachable by car)

💸 Flights from ~$217

Business & First Class Flight Deals to Denver

83% AI deal score

$1,389

$702

Save $687

Frequently Asked Questions About Flights to Denver

Historically, the optimal booking window for flights from San Francisco to Denver is typically 14-27 days before departure. During this period, the average price observed was $239. Booking within 7-13 days of departure saw average prices rise to $512, while waiting until 0-6 days before departure resulted in an average price of $758. Planning ahead by at least two weeks can lead to significant savings on this route.

Based on historical data across the trailing quarter, a good price for a flight from San Francisco to Denver is considered to be $239 or less. The median price observed for this route was $345. Prices can vary, with 75% of observed fares being $508 or less. Aiming for a price at or below $239 typically represents a favorable deal.

Historically, the cheapest months to fly from San Francisco to Denver are April and May, with median prices of $98 and $128, respectively. November also shows a relatively lower median price of $261. The annual median price for this route is $345, indicating that certain months offer substantial savings compared to the yearly average. Travelers seeking the lowest fares should consider these months.

Related routes

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Flights to Denver from other cities

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San Francisco to Denver: Overview

Insights for flights from San Francisco to Denver

A typical journey from San Francisco to Denver covers a distance of 1,554 kilometers, classifying it as a medium-haul flight.

The typical journey time for flights from San Francisco to Denver is 2h 46m. While a meaningful share of itineraries are non-stop, the rest connect, typically involving 2 stopovers.

How much is a round trip from San Francisco to Denver

Regular price: $139 - $237

Prices are currently below the regular range.

The regular price range for flights from San Francisco to Denver is $139 to $237. The current lowest deal is $115 with Frontier Airlines for travel from Sep 10-Sep 21.

now $115

Low $139

High $237

The cheapest time to fly from San Francisco to Denver

The cheapest month to fly from SFO to DEN is May, with a median price of $118. The most expensive month is June, with a median price of $501. Prices are generally lower from January to November.

May

Cheapest

Flights from $118

June

Most Expensive

Flights from $501

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Francisco to Denver

Frontier Airlines

Last-minute flights going from San Francisco to Denver

Sat, Aug 8

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$277

$197

One-way

Mon, Aug 10

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$260

$188

One-way

Tue, Aug 11

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$252

$173

One-way

Tue, Aug 11

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$252

$190

One-way

Wed, Aug 12

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$224

$136

One-way

Wed, Aug 12

⌛ Last-Minute

SFO - Denver

San Francisco (SFO) - Denver (DEN)

Frontier Airlines

$232

$158

One-way

Biggest price drops on these dates for flights from San Francisco to Denver

2 nights

Aug 17 - Aug 19

$244 → $132

46%

1 night

Aug 19 - Aug 20

$243 → $137

44%

3 nights

Aug 22 - Aug 25

$239 → $140

41%

3 nights

Aug 19 - Aug 22

$241 → $145

40%

Popular Airports to fly from San Francisco to Denver