$139 Find Cheap Flights from San Francisco to Denver – Compare and Save

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

• Earliest: departs at 05:00 and lands at 07:38
• Latest: departs at 22:35 and lands at 01:13.

The flight takes about 2h 38m.

Only Economy class is available on flights from San Francisco to Denver.

A direct flight from San Francisco to Denver takes 2h 38m, covering 2,497 km.

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

Return flights from San Francisco to Denver range from $304 to $565, with an average of $421 over the past 12 months. Anything below $304 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 31% above the $421 route average. Book 8 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average $345 return via Seattle/Tacoma Intl (SEA), compared with $422 for direct.

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 San Francisco to Denver flights are:

• United Airlines: 87% on time
• Frontier: 79% on time
• Southwest: 66% on time

On average, flights on this route are punctual 81% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $57–$142 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

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

Morning is the busiest departure period on San Francisco to Denver flights, with 54% leaving in that window. Afternoon departures account for 27%, Evening flights for 13%, and Night flights for 6%.

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

One-way fares from San Francisco to Denver are currently lower than usual. Average one-way flight prices are about $158, which is 43% below the typical average for this route.

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

Night flights have the fewest delays on this route, while afternoon 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 San Francisco to Denver route, 19% of flights were delayed in the past three months, with delays averaging 2h 33m.

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

• Las Vegas Harry Reid Intl (LAS) – 57% of one-stop connections
• Salt Lake City (SLC) – 14% of one-stop connections
• San Diego (SAN) – 12% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 9% of one-stop connections

Yes. Flexible dates can save you up to 25% on flights from San Francisco to Denver. Wednesday is the cheapest departure day at $373 return on average, while Monday is the most expensive at $491, a difference of $118.

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

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

• United Airlines
• Southwest
• Frontier

Flying via Portland (PDX) gives the shortest average 1-stop total travel time of 5h 43m, compared to 6h 04m via Phoenix Sky Harbor Intl (PHX) and 6h 45m via Las Vegas Harry Reid Intl (LAS).

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

Ball Arena is one of the most viewed places in Denver on KAYAK.

Among airlines operating San Francisco to Denver 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

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

The RTD bus service connects Denver Airport with the city and departs every 15m from the airport. The bus stop is located at the DEN Transit Center at the south end of Jeppesen Terminal. There is also an information counter in the arrivals hall if you have any questions about routes, fares, or directions. Day passes can be purchased for approximately $9 in cash (no change given) at the bus driver or with credit cards at the ticket machines.

If you land at Jeppesen Terminal and fancy authentic American cuisine, opt for the Boulder Beer Tap House at level 5 on the west side of the terminal. Here you can consume scrumptious snacks, warm dishes, and craft beer. For Mexican food, the Cantina Grill at level 6 is also a good option to get something hearty to eat.

Explore the city and its surroundings conveniently with your own four wheels and rent a car directly from one of the companies located at the airport. The airport has its own car rental center which can be reached with a courtesy shuttle departing from Jeppesen Terminal at level 5, island 4. Companies operating at the airport include Avis, Thrifty, and Enterprise, which are at your service 24/7.

The Westin Denver International Airport Hotel is just a few steps from the terminal building and provides transit flyers, late arrivals, or early departing passengers with a nearby bed. Apart from its over 500 rooms, the hotel boasts a conference center, pool, and gym, as well as various restaurants.