C$ 150 Find Cheap Flights from San Francisco to Denver – Compare and Save

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.

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

• United Airlines
• Southwest
• Frontier

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

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

• Frontier: a carry-on bag and a checked bag in Economy Class
• United Airlines: a carry-on bag and a checked bag in Economy Class
• Southwest: a carry-on 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.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 333 round-trip via San Diego (SAN), compared to C$ 395 for direct.

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

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

• Las Vegas Harry Reid Intl (LAS) – 61% of one-stop connections
• Salt Lake City (SLC) – 16% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 9% of one-stop connections
• San Diego (SAN) – 6% 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 20% on the San Francisco to Denver route. Tuesday is the cheapest departure day at C$ 354 round-trip on average, while Monday is the most expensive at C$ 441, a difference of C$ 87. 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 San Francisco to Denver route, 18% of flights were delayed in the past 3 months, with delays averaging 2 hours 31 minutes.

Morning is the busiest departure period on San Francisco to Denver flights, with 51% leaving in that window. Afternoon departures account for 31%, Evening flights for 12%, and Night flights for 6%.

Some of the most popular sights in Denver are Colorado Convention Center, 16th Street Mall, and Sheraton Denver Downtown Hotel. These are among the most viewed places in Denver on KAYAK.

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

• Earliest: departs at 5:00 am and lands at 7:40 am
• Latest: departs at 10:35 pm and lands at 1:15 am.

The flight takes about 2h 40m.

Last-minute fares on this route – booked within 2 weeks of departure – run 28% above the route average of C$ 393. Book 8 weeks before departure for the lowest fares.

A direct flight from San Francisco to Denver takes 2h 40m, 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.

One-way fares from San Francisco to Denver are currently lower than usual. Average one-way flight prices are about C$ 166, which is 36% 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 San Francisco to Denver flights are:

• United Airlines: 88% on time
• Frontier: 80% on time
• Southwest: 68% on time

On average, flights on this route are punctual 82% 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 Portland (PDX) gives the shortest average 1-stop total travel time at 5h 37m, compared with 6h 04m via Phoenix Sky Harbor Intl (PHX) and 6h 26m via Salt Lake City (SLC).

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.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around C$ 22 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Ace
· NU Car
· Europcar
· Hertz

Round-trip flights from San Francisco to Denver range from C$ 276 to C$ 530, with an average of C$ 393 over the past 12 months. Anything below C$ 276 counts as a good deal.

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