$100 Find Cheap Flights from Denver to San Francisco - Compare and Save

These are the earliest and latest flight times available from Denver to San Francisco:

• Earliest: departs at 5:00 am and lands at 7:49 am
• Latest: departs at 11:55 pm and lands at 2:44 am.

The flight takes about 2h 49m.

Four cabin classes are available on flights from Denver to San Francisco:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Denver to San Francisco takes 2h 49m, covering 964 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Denver to San Francisco range from $202 to $386, with an average of $290 over the past 12 months. Anything below $202 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 35% above the $290 route average. Book 10 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $151 round-trip via Ontario (ONT), compared to $293 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Denver to San Francisco flights are:

• United Airlines: 78% on time
• Frontier: 73% on time
• Southwest: 57% on time

Overall, flights on this route are punctual 72% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by United Airlines and Frontier. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on Denver to San Francisco flights, with 47% of flights leaving in that window. Afternoon departures account for 20%, evening flights for 20%, and night flights for 13%.

JetBlue is the only airline on the Denver to San Francisco route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Denver to San Francisco are currently lower than usual. Average one-way flight prices are about $113, which is 41% below the typical average for this route.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Flights from Denver to San Francisco usually depart from Denver Intl (DEN) and arrive at San Francisco (SFO).

Night flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Denver to San Francisco route, 28% of flights were delayed in the past 3 months, with delays averaging 2h 24m.

One-stop flights from Denver to San Francisco most commonly connect through:

• Las Vegas Harry Reid Intl (LAS) - 56% of one-stop connections
• Salt Lake City (SLC) - 18% of one-stop connections
• San Diego (SAN) - 13% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 11% of one-stop connections

Yes. Flexible dates can save you up to 24% on flights from Denver to San Francisco. Wednesday is the cheapest departure day at $270 round-trip on average, while Monday is the most expensive at $355, a difference of $85.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Denver and San Francisco. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest
• Frontier

Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 5h 59m, compared with 6h 23m via Los Angeles (LAX) and 6h 24m via San Diego (SAN).

San Francisco is 1 hour behind Denver (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Among airlines operating Denver to San Francisco flights:

• Frontier: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

San Francisco International Airport (SFO) and Oakland International Airport (OAK) are both connected to Bay Area Rapid Transit (BART), so both are accessible by public transportation. SFO is on the San Francisco Peninsula in unincorporated San Mateo County, south of San Francisco, while OAK is on the eastern side of the bay. The airport closer to the final destination, whether on the eastern or western side of the bay, is often the deciding factor.

SFO's rental car center is on McDonell Road. The AirTrain Blue Line connects the airport to the center and runs around the clock. Access is from Mezzanine Level 3 in Harvey Milk Terminal 1 and Terminal 2 and from Level 4 in the International Terminal Main Hall.

Yes. DEN has an animal therapy program called the Canine Animal Therapy Squad (DEN CATS). Members of the therapy squad can be found throughout the airport wearing violet "Pet Me" vests.

Yes. SFO offers accessible services and amenities for travelers with limited mobility. TTY telephones are located at the baggage claim and arrival levels in all terminals. AirTrain is wheelchair-accessible and service animals are permitted. Requirements can be stated when booking a ticket.