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

• Earliest: departs at 5:00 am and lands at 7:39 am
• Latest: departs at 10:35 pm and lands at 1:14 am.

The flight takes about 2h 39m.

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

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

Prices vary by airline.

A nonstop flight from San Francisco to Denver takes 2h 39m, 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 San Francisco to Denver range from $200 to $384, with an average of $285 over the past 12 months. Anything below $200 counts as a good deal.

Last-minute fares on this route - booked within 2 weeks of departure - run 28% above the route average of $285. Book 8 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $242 round-trip via San Diego (SAN), compared to $286 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 San Francisco to Denver flights are:

• United Airlines: 88% on time
• Frontier: 79% on time
• Southwest: 66% on time

Overall, flights on this route are on time 81% 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 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 51% of flights leaving in that window. Afternoon departures account for 31%, evening flights for 12%, 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 $106, which is 44% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

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. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

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 3 months, with delays averaging 2 hours 33 minutes.

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 $257 round-trip on average, while Monday is the most expensive at $320, a difference of $63. 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 San Francisco and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest
• Frontier

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.

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among 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

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

Denver International Airport (DEN) has a car rental center. Courtesy shuttles to the center depart from Jeppesen Terminal on Level 5, Island 4.

Yes, the USO lounge at San Francisco International Airport (SFO) is free for active-duty U.S. military members and their dependents. It is located in Terminal 1, landside on the Mezzanine Level. This pre-security lounge provides to-go snack packs, but respite services are not available.

Yes. DEN has Nursing Rooms with privacy, a sink, comfortable seating, a diaper changing table and outlets. One is in the middle of the Jeppesen Terminal on Level 5. Others are in the center of Gates A, B and C. Access is through the intercom next to each room.

Yes. Indoor pet relief stations for pets and service animals are located at the center of the A, B and C Concourses. An outdoor pet relief area is outside the Jeppesen Terminal at Door 200.

RTD bus service connects DEN with downtown Denver and departs approximately every 15 minutes during peak hours. The bus stop is at the DEN Transit Center on the south end of Jeppesen Terminal. An airport information booth is also located on Level 5 near arrivals for directions and general questions.

Yes, Colorado Oasis spa offers massage in the center core of the A Gates, airside.

Long-Term Parking is available at SFO. Parking can be booked in advance to ensure a spot. To get to the terminals, board the AirTrain Blue line in the Long-Term Parking Garage on Level 5.