To San Francisco

Cheap Flights from Denver to San Francisco

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

Deals from

Denver

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

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Denver to San Francisco

Explore current cheapest deals departing from Denver to San Francisco

Round trip

Sort by: Cheapest

September 22 - September 28

Cheapest

Earliest

DEN - San Francisco

$133

$107

Round trip

September 22 - September 29

Cheapest

Earliest

DEN - San Francisco

$133

$107

Round trip

September 22 - October 13

Cheapest

Earliest

DEN - San Francisco

$114

$107

Round trip

September 22 - October 19

Earliest

DEN - San Francisco

$114

$108

Round trip

September 22 - October 20

Earliest

DEN - San Francisco

$114

$108

Round trip

November 10 - November 16

Best

DEN - San Francisco

$191

$108

Round trip

October 5 - October 13

DEN - San Francisco

$156

$110

Round trip

September 23 - September 30

DEN - San Francisco

$134

$111

Round trip

September 29 - October 13

DEN - San Francisco

$126

$111

Round trip

October 6 - October 13

DEN - San Francisco

$164

$111

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Denver to San Francisco

Right now, only 12% of recent fares from Denver to San Francisco are classified as a good price. Fares for this route are currently above the typical level. For travelers seeking cheap flights from Denver to San Francisco, prices typically range from $110–$284, with a median of $156. New deals appear almost daily, offering frequent opportunities to find better fares.

When considering the cheapest time to fly from Denver to San Francisco, the data indicates that April and May are the most affordable months, with median fares of $124 and $128 respectively. November also presents a relatively lower median fare at $155, making these months potentially more budget-friendly for your travel plans.

A typical journey from Denver to San Francisco takes approximately 5h 28m, including connections. This duration accounts for the overall travel time, even though almost all itineraries are non-stop. For direct flights from Denver to San Francisco, the travel time would be less, but the median reflects the total journey.

The route from Denver to San Francisco covers a distance of 1554 kilometers. This classifies it as a medium-haul flight, indicating a moderate travel distance that typically involves a few hours in the air.

How much is a round trip from Denver to San Francisco

Regular price: $103 - $228

Prices for flights from Denver to San Francisco are currently within the regular range.

The regular price range for flights from Denver to San Francisco is between $103 and $228. The current lowest deal is $107 with Frontier Airlines, for travel from Sep 22-Sep 28.

now $107

Low $103

High $228

The cheapest time to fly from Denver to San Francisco

The cheapest month to fly from Denver to San Francisco is April, with a median price of $124. The most expensive month is February, with a median price of $851. Prices are generally lower from April to November.

April

Cheapest

Flights from $124

February

Most Expensive

Flights from $851

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to San Francisco

Frontier Airlines

Last-minute flights going from Denver to San Francisco

Tue, Jul 7

⌛ Last-Minute

DEN - San Francisco

Denver (DEN) - San Francisco (SFO)

Frontier Airlines

$259

$190

One-way

Tue, Jul 14

⌛ Last-Minute

DEN - San Francisco

Denver (DEN) - San Francisco (SFO)

Frontier Airlines

$242

$176

One-way

Tue, Jul 14

⌛ Last-Minute

DEN - San Francisco

Denver (DEN) - San Francisco (SFO)

Frontier Airlines

$250

$190

One-way

Tue, Aug 4

⌛ Last-Minute

DEN - San Francisco

Denver (DEN) - San Francisco (SFO)

Frontier Airlines

$305

$128

One-way

Wed, Aug 5

⌛ Last-Minute

DEN - San Francisco

Denver (DEN) - San Francisco (SFO)

Frontier Airlines

$333

$210

One-way

Wed, Aug 5

⌛ Last-Minute

DEN - San Francisco

Denver (DEN) - San Francisco (SFO)

Frontier Airlines

$340

$239

One-way

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

2 nights

Aug 17 - Aug 19

$342 → $164

52%

8 nights

Aug 4 - Aug 12

$305 → $128

58%

4 nights

Aug 18 - Aug 22

$340 → $168

51%

4 nights

Aug 20 - Aug 24

$338 → $167

51%

Popular Airports to fly from Denver to San Francisco

Denver - San Francisco route insights

💸 Price insights

Recent fares are below the typical level.

Recent roundtrip fares from Denver to San Francisco are near $107, below the typical level.

📅 Best time to fly

Fly in April for the best prices.

Historically, April is the cheapest month to fly, with a median price of $124.

⏱️ Flight duration

Direct flights take 5h 28m.

The typical direct flight duration from Denver to San Francisco is 5 hours 28 minutes.

✈️ Airlines & availability

Frontier Airlines offers direct flights.

Frontier Airlines has historically offered direct flights on 75% of recent deals.

🏆 Airline highlight

Frontier Airlines offers deals from $107.

Frontier Airlines recently offered a roundtrip deal for $107 from Denver to San Francisco.

🎯 Booking tip

Deals appear frequently on this route.

Historically, deals for flights from Denver to San Francisco appear frequently, about once per day.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International offers the cheapest flights from Denver to San Francisco.

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

💸 Flights from ~$107

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a good choice for reaching San Francisco and the wider Bay Area.

📍 ~20 km from San Francisco city center (reachable by car, train, and bus).

💸 Flights from ~$107

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative with high flight frequency and direct BART access to San Francisco.

📍 ~19 km from San Francisco (reachable by BART)

💸 Flights from ~$203

San Jose International (SJC)

Cheapest

San Jose International is a major airport serving the South Bay tech corridor with fewer weather delays.

📍 ~70 km from San Francisco (reachable by car)

💸 Flights from ~$162

Sacramento International (SMF)

Sacramento International offers a robust domestic route network, ideal for northern and eastern metro areas.

📍 ~125 km from San Francisco (reachable by car)

💸 Flights from ~$179

Charles M. Schulz–Sonoma County (STS)

Charles M. Schulz–Sonoma County is convenient for North Bay and Wine Country travelers, with faster processes.

📍 ~90 km from San Francisco (reachable by car)

💸 Flights from ~$274

Monterey Regional (MRY)

Monterey Regional is an alternative for southern coastal travelers, offering a less crowded terminal environment.

📍 ~140 km from San Francisco (reachable by car)

💸 Flights from ~$209

Business & First Class Flight Deals to San Francisco

San Francisco, United States

42% AI deal score

$1,598

From DEN

Elite

Jun 23

San Francisco, United States

41% AI deal score

$1,828

Frequently Asked Questions About Flights to San Francisco

Historically, the best prices for flights from Denver to San Francisco are found when booking 14-27 days in advance, with an average price of $180. Booking 7-13 days out typically sees an average price of $402. For those booking 60 or more days in advance, the average price is around $230. Last-minute bookings, within 0-6 days of departure, tend to be the most expensive, averaging $531.

Across the trailing quarter, a good price for a flight from Denver to San Francisco is considered to be $110 or less. The median price for this route historically stands at $156. Approximately 25% of all fares were found at or below $110, indicating that prices around this mark are quite favorable for travelers.

Historically, April and May are typically the cheapest months to fly from Denver to San Francisco, with median prices of $124 and $128 respectively. While November also shows a relatively lower median price of $155, it was also the most expensive month in the trailing 270 days. The annual median price for this route is $156.

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