Find Cheap Flights from Denver to San Francisco (DEN - SFO)

Flights overview

Useful information for finding cheap flights from Denver to San Francisco and booking your next trip

Cheapest round-trip flights	$134	Frontier Nonstop 3 hr Sat, May 9 — Sun, May 10	The cheapest round-trip flight from Denver to San Francisco is currently $134
Cheapest one-way flight	$74	Frontier Nonstop 3 hr Wed, Jun 3	The cheapest one-way flight from Denver to San Francisco is currently $74
Cheapest nonstop flights	$148	Frontier Nonstop 3 hr Sat, May 9 — Sun, May 10	The cheapest nonstop round-trip flight from Denver to San Francisco is currently $148
Last-minute weekend getaway	$222	Frontier 1 stop 11 hr Sat, Apr 25 — Mon, Apr 27	The cheapest last-minute weekend getaway from Denver to San Francisco is currently $222
Cheapest business class flights	$362	Frontier Nonstop 3 hr Sat, May 9 — Mon, May 11	The cheapest business class round-trip flight from Denver to San Francisco is currently $362

Fastest flight	2 hr 35 min	The fastest nonstop flight from Denver to San Francisco takes 2 hr 35 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Denver to San Francisco is typically January. The most expensive month to fly is typically July.

January Cheapest	Typical prices: $70–260
July Most expensive	Typical prices: $145–225

Popular airlines from Denver to San Francisco

United

Nonstop

from $257

Typical price: $175–380

63 weekly nonstop flights

DEN - SFO Every day

793 weekly connecting flights

DEN - SFO Every day
Southwest

Nonstop

from $277

Typical price: $195–420

24 weekly nonstop flights

DEN - SFO Every day

321 weekly connecting flights

DEN - SFO Every day
Frontier

Nonstop

from $134

Typical price: $105–235

11 weekly nonstop flights

DEN - SFO Every day

30 weekly connecting flights

DEN - SFO Every day
American

from $297

Typical price: $220–550

102 weekly connecting flights

DEN - SFO Every day
Delta

from $277

Typical price: $220–530

102 weekly connecting flights

DEN - SFO Every day
Alaska

from $267

Typical price: $240–570

65 weekly connecting flights

DEN - SFO Every day

Popular airports near Denver

Denver International Airport (DEN)

Denver United States 38 min 19 mi
Colorado Springs Airport (COS)

Colorado Springs United States 1 hr 27 min 66 mi
Centennial Airport (APA)

Denver United States 27 min 14 mi
Eagle County Regional Airport (EGE)

Vail United States 2 hr 19 min 103 mi

Popular airports near San Francisco

San Francisco International Airport (SFO)

San Francisco United States 20 min 11 mi
Oakland San Francisco Bay Airport (OAK)

Oakland United States 28 min 11 mi
Sacramento International Airport (SMF)

Sacramento United States 1 hr 35 min 78 mi
San Jose Mineta International Airport (SJC)

San Jose United States 52 min 39 mi

Frequently asked questions about flying from Denver to San Francisco

The cheapest flights from Denver to San Francisco are usually in January. Typical ticket prices in January range from $70 to $260.

The cheapest round-trip flight from Denver to San Francisco recently found on Google Flights was with Frontier from $134. The cheapest one-way flight was with Frontier from $74.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to San Francisco is $257, flying from May 16 to May 18.
The cheapest Southwest flight from Denver to San Francisco is $277, flying from May 16 to May 18.
The cheapest Frontier flight from Denver to San Francisco is $134, flying from May 9 to May 10.
The cheapest American flight from Denver to San Francisco is $297, flying from May 9 to May 10.
The cheapest Delta flight from Denver to San Francisco is $277, flying from May 16 to May 18.
The cheapest Alaska flight from Denver to San Francisco is $267, flying from May 9 to May 11.

The cheapest round-trip flight from Denver to San Francisco starts at $134 from Sat, May 9 to Sun, May 10. The cheapest one-way flight starts at $74 and departs on Wed, Jun 3.

2 hr 35 min is the shortest flight time from Denver to San Francisco.

Apr–Dec is when most people visit San Francisco, with crowds peaking in summer. Although average temperatures are higher then, mornings and evenings often have damp, chilly fog. In summer, street fairs and cultural institutions offer free outdoor entertainment. Winter visitors will find the opera and ballet seasons in full swing. Major annual events include Chinese New Year (Feb), Bay to Breakers footrace (May), San Francisco Pride parade and festival (Jun), and San Francisco Fleet Week (Oct).

It's easy to use Google Flights to find the cheapest days to fly from Denver to San Francisco.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Denver to San Francisco really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Denver to San Francisco.

In terms of nonstop flights, United is the most popular. United offers 63 nonstop flights and 793 connecting flights per week. United flies from Denver International Airport (DEN) to San Francisco International Airport (SFO) .

Other popular airlines flying from Denver to San Francisco are:

Southwest offers 24 nonstop flights and 321 connecting flights per week. Southwest flies from Denver International Airport (DEN) to San Francisco International Airport (SFO) .
Frontier offers 11 nonstop flights and 30 connecting flights per week. Frontier flies from Denver International Airport (DEN) to San Francisco International Airport (SFO) .
American offers 102 connecting flights per week. American flies from Denver International Airport (DEN) to San Francisco International Airport (SFO) .
Delta offers 102 connecting flights per week. Delta flies from Denver International Airport (DEN) to San Francisco International Airport (SFO) .
Alaska offers 65 connecting flights per week. Alaska flies from Denver International Airport (DEN) to San Francisco International Airport (SFO) .

The number of connecting flights refers to distinct flights with at least one stop between Denver and San Francisco.

The cheapest round-trip flight from Denver to San Francisco recently found on Google Flights was with Frontier from $134. The cheapest one-way flight was with Frontier from $74.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to San Francisco is $257, flying from May 16 to May 18.
The cheapest Southwest flight from Denver to San Francisco is $277, flying from May 16 to May 18.
The cheapest Frontier flight from Denver to San Francisco is $134, flying from May 9 to May 10.
The cheapest American flight from Denver to San Francisco is $297, flying from May 9 to May 10.
The cheapest Delta flight from Denver to San Francisco is $277, flying from May 16 to May 18.
The cheapest Alaska flight from Denver to San Francisco is $267, flying from May 9 to May 11.

United, Southwest and Frontier fly direct from Denver to San Francisco.

There are 63 United direct flights from Denver to San Francisco per week. Flights are available every day.
There are 24 Southwest direct flights from Denver to San Francisco per week. Flights are available every day.
There are 11 Frontier direct flights from Denver to San Francisco per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Denver and San Francisco at price $222 is offered by Frontier from Sat, Apr 25 to Mon, Apr 27.

United, Southwest and Frontier fly direct from Denver to San Francisco.

There are 63 United direct flights from Denver to San Francisco per week. Flights are available every day.
There are 24 Southwest direct flights from Denver to San Francisco per week. Flights are available every day.
There are 11 Frontier direct flights from Denver to San Francisco per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Denver to San Francisco on a daily basis.

The cheapest direct (nonstop) round-trip flights between Denver and San Francisco start at $148 from Sat, May 9 to Sun, May 10 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Denver to San Francisco, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Denver and San Francisco start at $362 from Sat, May 9 to Mon, May 11 with Frontier.

The cheapest economy class round-trip flights between Denver and San Francisco start at $134 from Sat, May 9 to Sun, May 10.

To book business class trips from Denver to San Francisco, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Denver and San Francisco starts at $222 from Sat, Apr 25 to Mon, Apr 27 with Frontier.

The cheapest last-minute deal between Denver and San Francisco at price $222 is offered by Frontier from Sat, Apr 25 to Mon, Apr 27.

To find last-minute flight deals from Denver to San Francisco, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.