Cheap flights from San Francisco International to Denver (SFO - DEN)

Flight FAQs

From San Francisco International to Denver

Are flight prices decreasing from San Francisco to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Denver Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Denver Intl. Policies will vary by airline.

Which airlines flying from San Francisco to Denver Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Francisco to Denver Intl have new flexible policies in place due to COVID-19. United Airlines, Frontier, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from San Francisco International to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from San Francisco International to Denver for under $100. The cheapest flight booked recently is on Frontier for just $50, but on average you can expect to pay $63.

Are there nonstop flights from San Francisco International to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco International to Denver under $100. A good price for a nonstop flight from San Francisco International to Denver is less than $63.

Are there last-minute flights available from San Francisco International to Denver for under $100?

There are currently 20+ open flights from San Francisco International to Denver within the next 7 days for less than $100.

How popular is this flight route?

Flights from San Francisco to Denver Intl have been viewed 226 times in the past calendar month.

Does it rain more in San Francisco or Denver?

San Francisco will have greater rainfall in 0 compared to Denver over the next 15 days.

Is San Francisco weather warmer or cooler than Denver?

Temperatures around the 90 °F's can be experienced in July. The weather in Denver is hotter than in San Francisco. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from San Francisco International to Denver?

Departing from San Francisco International to Denver will take you 2h 27m. All flights are typically nonstop.

What is the cheapest airline to fly from San Francisco International to Denver round-trip?

Frontier, at $50, was found to be the cheapest airline from San Francisco International to Denver.. You may be able to fly from San Francisco International to Denver for 74% less than the average price by searching for this airline.

What are the cheapest airlines to fly from San Francisco International to Denver one-way?

The cheapest airlines for a one-way flight from San Francisco International to Denver are Frontier ($25) and United Airlines ($48).