$151 Find Cheap Flights from Denver to San Francisco – Compare and Save

While there are no hotels directly onsite at San Francisco International Airport, travelers with flights from Denver to San Francisco will be happy to hear that there are a number of hotels within close proximity. The Westin San Francisco Airport, Aloft San Francisco Airport, and San Francisco Airport Marriott Waterfront are all within two miles of the airport and offer free transportation to and from the airport.

Frontier Airlines and United Airlines both offer direct flights from Denver to San Francisco. Other airlines like Delta Air Lines and American Airlines offer one-stop flights with layovers in cities like Salt Lake City for Delta Air Lines and Phoenix for American Airlines.

In San Francisco International Airport there are seven pet relief areas available in the airport - in the Arrivals areas of Terminals 1, 2, and 3, plus there is an additional post-security pet relief area in each terminal, with Terminal 1 featuring yet another extra one. At Denver International Airport there are four pet relief areas: one in each core gate area for Gates A, B, and C, and then another one outside of Jeppesen Terminal.

San Francisco International Airport and Oakland International Airport are both connected to BART, making them easily accessible for travelers who plan to use public transportation. However, San Francisco International Airport sits on the eastern side of the bay, while Oakland International Airport is on the western side of the bay. Thus, whether your final destination is on the eastern or western side is often the deciding factor when choosing which airport to fly into.

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.

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

• United Airlines
• Southwest
• Frontier

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

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 travellers should check the fare details before booking.

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

• Economy class
• First Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average $209 return via Ontario (ONT), compared with $406 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $55–$138 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.

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

Las Vegas Harry Reid Intl (LAS) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 24% on the Denver to San Francisco route. Wednesday is the cheapest departure day at $374 return on average, while Monday is the most expensive at $491, a difference of $118. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 2 hours 25 minutes.

Morning is the busiest departure period on Denver to San Francisco flights, with 44% leaving in that window. Afternoon departures account for 19%, Evening flights for 19%, and Night flights for 18%.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square, and 201 Folsom Street. These are among the most viewed places in San Francisco on KAYAK.

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

• Earliest: departs at 05:00 and lands at 07:47
• Latest: departs at 23:55 and lands at 02:42.

The flight takes about 2h 47m.

Last-minute fares on this route (booked within 2 weeks of departure) run 35% above the route average of $402. Book 10 weeks before departure for the lowest fares.

A direct flight from Denver to San Francisco takes 2h 47m, covering 2,497 km.

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.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $300 to $2,996. That means the highest observed fare was about 10x higher than the lowest one.

One-way fares from Denver to San Francisco are currently lower than usual. Average one-way flight prices are about $175, which is 34% below the typical average for this route.

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: 74% on time
• Southwest: 59% on time

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

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time of 5h 59m, compared to 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.

San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around $21 for economy cars. Top options include:
· Thrifty
· Europcar
· Dollar
· Hertz
· Fox

Return flights from Denver to San Francisco range from $280 to $534, with an average of $402 over the past 12 months. Anything below $280 counts as a good deal.

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