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

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The best prices from San Francisco to Denver Intl are usually found in August or January, booked 15 days in advance, depart on a Tuesday or Saturday and return on a Saturday

How to find the cheapest flight from
San Francisco (SFO) to Denver (DEN)

All the information you need to plan the best SFO to DEN flight in 2021: compare San Francisco to Denver flight prices with the expected peak season, weather and rainfall in Denver.
SFO - DEN
Price
$138 - $243
DEN
Temperature
30.2 - 73.4 °F
DEN
Precipitation
0.5 - 2.3 inches

Popular in

November

High demand for flights, 20% potential price rise

Cheapest in

August

Best time to find cheap flights, 29% potential price drop

Round-trip from

$138

From San Francisco to Denver Intl

One-way from

$59

One-way flight from San Francisco to Denver Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Denver?

Thursday flights are generally found to be more expensive for flights from San Francisco to Denver. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Denver.

How far in advance should I book a flight from San Francisco to Denver?

To save up to 11% on this flight, we recommend booking at least 15 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Denver from $178 1-2 weeks out and tickets from $211 for flights departing within the next 72 hours.

When is the cheapest time to fly from San Francisco to Denver (SFO - DEN)?

One of the essential ways to save on airfare from San Francisco to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

What is the cheapest month to fly from San Francisco to Denver?

Flights from San Francisco to Denver lean towards being more expensive in November. Prices are generally better when you fly from San Francisco to Denver in August, with the cheapest ticket starting at $86.

Cheap flights from San Francisco to Denver in October, November 2021

The best prices found for SFO to DEN flights for October, November
10 Nov - 22 Nov
$83pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
30 Nov - 3 Dec
$84pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
17 Nov - 22 Nov
$86pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

San Francisco to Denver 2021 flight deals

Cheap flights to Denver from San Francisco found for this year
8 Dec - 11 Dec
$55pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
SFO
San Francisco
8 Dec - 11 Dec
$60pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
10 Nov - 22 Nov
$83pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

Non-stop flights to Denver from San Francisco

Save time with San Francisco to Denver direct flight deals
8 Dec - 11 Dec
$60pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
7 Dec - 11 Dec
$61pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
7 Dec - 11 Dec
$75pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Denver

Late deals on round-trip flights to Denver from San Francisco, departing today and this week
26 Oct - 8 Nov
$100pp
SFO
San Francisco
Frontier
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
30 Oct - 9 Nov
$103pp
SFO
San Francisco
Frontier
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
26 Oct - 9 Nov
$107pp
SFO
San Francisco
Frontier
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
SFO
San Francisco

One-way flights to Denver Intl from San Francisco

The cheapest one-way flights from San Francisco to Denver
5:55 am - 9:36 am
United Airlines
Nonstop
2h 41m
SFO - DEN
United Airlines
$59
United
8:51 pm - 12:29 am
Frontier
Nonstop
2h 38m
SFO - DEN
Frontier
$71
Flights by SU
3:00 am - 1:40 pm
Multiple Airlines
1 Stop
9h 40m
SFO - DEN
Multiple Airlines
$72
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Denver</span> flights.

Flight FAQs

From San Francisco to Denver

What airports do I use to fly from San Francisco to Denver?

To fly from San Francisco to Denver, you need to book a flight from San Francisco (SFO) to Denver Intl (DEN). Nonstop flights to Denver Intl from San Francisco take 2h 25m on average. When it comes time to book airfare, you have a few options: there are 25 outbound flights from San Francisco to Denver Intl offered by 8 different airlines.

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 to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from San Francisco to Denver for under $100. The cheapest flight booked recently is on Frontier for just $51, but on average you can expect to pay $84.

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

Cheapflights has at least 20 direct flights from San Francisco to Denver under $100. A good price for a nonstop flight from San Francisco to Denver is less than $90.

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

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

What days are nonstop flights available from San Francisco to Denver?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Thursday, Friday.

How popular is this San Francisco to Denver flight route?

The San Francisco to Denver Intl flight path was viewed by 226 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from San Francisco to Denver on average per day?

On average, you can expect to see 16 flights from San Francisco to Denver a day.
Early Morning (Midnight to 6am) - 19% of flight departures
Morning (6am - Noon) - 75% of flight departures
Afternoon (Noon - 6pm) - 6% of flight departures

How long is the flight from San Francisco to Denver?

For as low as $51, Frontier can have you in Denver from San Francisco in 7h 27m. The distance from San Francisco to Denver is about 970 mi.

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

Flying on Frontier is currently your cheapest option to Denver, with prices starting at $51. Frontier is 73% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most reliable airlines from San Francisco to Denver?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Denver on time: Asiana Airlines (89%), Frontier (88%), Air Canada (83%).

What are the cheapest flights from San Francisco to Denver?

Looking at all options, your cheapest flight can be booked for $60. While the most popular route (San Francisco - Denver Intl) can be booked for $83 on average our data indicates $475 when flying from San Francisco to Denver

What are the most popular airlines that fly from San Francisco to Denver?

The most popular airlines flying from San Francisco to Denver are Major Airline, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Denver, CO

Do I need a COVID test to fly to Denver from San Francisco?

Information is based on travel restrictions for travel to Denver Intl within the United States

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Denver Intl.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Denver Intl.

Do I need a test to fly back to San Francisco from Denver?

Returning to San Francisco from Denver Intl

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Denver, CO

Alternative routes for San Francisco to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Denver

Things to know before you go - useful duration and weather info for your trip from San Francisco to Denver.
Flight duration from SFO to DEN
2h 44m
Average temperature for October in Denver
66.2 °F
Avg rainfall for October in Denver
0.9 ″

Airports servicing San Francisco

Airports servicing Denver

Top 6 airlines flying from San Francisco to Denver Intl

The chart below displays the airlines Cheapflights users traveling from San Francisco to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$57 $166 No cancel fee 71%
Frontier
$68 $189 No cancel fee 62%
Southwest
$83 $304 No cancel fee 63%
Delta
$87 $178 No cancel fee N/A
United Airlines
$93 $255 No cancel fee 69%
Spirit Airlines
$109 $276 No cancel fee 65%

Hourly flight availability from San Francisco to Denver

See what time of day planes typically take off from San Francisco towards Denver.
Afternoon Noon to 6 PM 58% of SFO to DEN departures
Morning 6 AM to noon 23% of SFO to DEN departures
Early morning Midnight to 6 AM 17% of SFO to DEN departures
Evening 6 PM to midnight 2% of SFO to DEN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Denver
See how many times per day planes take to the skies headed from San Francisco to Denver.
Sunday
23 daily flights
Monday
34 daily flights
Tuesday
27 daily flights
Wednesday
32 daily flights
Thursday
28 daily flights
Friday
20 daily flights
Saturday
13 daily flights
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