Cheap flights from Colorado (CO) to San Francisco (SFO)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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

All the information you need to plan the best null to SFO flight in 2022: compare Colorado to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
When is the cheapest time to fly from Colorado to San Francisco (CO - SFO)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to San Francisco as you normally would.

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

August can be a great time to fly to San Francisco from Colorado with a flight ticket averaging about $176. Cheapflights users have found deals in the month of August for as cheap as $76. The most expensive prices can be found in the month of November.

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

To save on the cost of your flight from Colorado to San Francisco, book at least 15 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $159 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $197.

Cheap flights from Colorado to San Francisco in January, February 2022

The best prices found for Colorado to SFO flights for January, February
2 Feb - 8 Feb
$59pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
9 Feb - 15 Feb
$63pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
8 Feb - 15 Feb
$67pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl

Colorado to San Francisco 2022 flight deals

Cheap flights to San Francisco from Colorado found for this year
2 Feb - 8 Feb
$59pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
9 Feb - 15 Feb
$63pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
8 Feb - 15 Feb
$67pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl

Non-stop flights to San Francisco from Colorado

Save time with Colorado to San Francisco direct flight deals
2 Feb - 8 Feb
$59pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
9 Feb - 15 Feb
$63pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
8 Feb - 15 Feb
$67pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Colorado to San Francisco

Late deals on round-trip flights to San Francisco from Colorado, departing today and this week
26 Jan - 7 Feb
$75pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
28 Jan - 1 Feb
$83pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
28 Jan - 30 Jan
$85pp
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl

One-way flights to San Francisco from Colorado

The cheapest one-way flights from Colorado to San Francisco
1:45 am - 3:23 am
United Airlines
Nonstop
2h 38m
DEN - SFO
United Airlines
$64
United
1:30 am - 8:34 am
Delta
1 Stop
8h 04m
DEN - SFO
Delta
$73
Delta
4:39 pm - 5:43 am
Multiple Airlines
1 Stop
14h 04m
DEN - SFO
Multiple Airlines
$75
Kiwi.com

Related info for your journey

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

Flight FAQs

From Colorado to San Francisco

What airport do you fly into for flights to San Francisco from Colorado?

Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Colorado. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

Some of our airline partners flying from Colorado to San Francisco have new flexible policies in place due to COVID-19. United Airlines, Frontier, and American Airlines 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 Colorado to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Colorado to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $59, but on average you can expect to pay $81.

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

Cheapflights has at least 20 direct flights from Colorado to San Francisco under $100. A good price for a nonstop flight from Colorado to San Francisco is less than $81.

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

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

How popular is this Colorado to San Francisco flight route?

The Colorado to San Francisco flight path was viewed by 230 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

$37 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $64 and $73, respectively.

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

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

What are the most popular routes from Colorado to San Francisco?

While some choose either Colorado Springs - San Francisco or Grand Junction Regnl - San Francisco, Denver Intl - San Francisco is the most popular route from Colorado to San Francisco.

What are the cheapest flights from Colorado to San Francisco?

Looking for the cheapest flight from Colorado to San Francisco? While on average our users pay $387, our data indicates the cheapest price to be $47. The most popular route (Denver Intl - San Francisco), is priced around $101.

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

No one likes to see their flight delayed. When booking a flight from Colorado to San Francisco consider choosing ANA (96%), Frontier (87%) or United Airlines (75%) as they are the most reliable in getting you off to your destination on time.

COVID Restrictions

View COVID Travel Restrictions for San Francisco, CA

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

Information is based on travel restrictions for travel to San Francisco within the United States

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

COVID-19 testing requirements
Visitors from Colorado must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Francisco.

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

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

Returning to Colorado from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Colorado.

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

Hide COVID Travel Restrictions for San Francisco, CA

Departure points for flights from Colorado to San Francisco

Select to see more specific information for flights to San Francisco from all departure points in Colorado.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from Colorado to San Francisco.
Flight duration from Colorado to SFO
2h 42m
Average temperature for January in San Francisco
59.0 °F
Avg rainfall for January in San Francisco
2.2 ″

Airports servicing

Colorado Springs (COS)
Denver (DEN)
Durango (DRO)
Vail Eagle County (EGE)
Loveland Northern Colorado (FNL)

Airports servicing San Francisco

Top 6 airlines flying from Colorado to San Francisco

The chart below displays the airlines Cheapflights users traveling from Colorado to San Francisco 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 $335 No cancel fee 71%
Frontier
$58 $164 No cancel fee 62%
Delta
$87 $320 No cancel fee N/A
United Airlines
$93 $440 No cancel fee 69%
Southwest
$98 $286 No cancel fee 63%
Alaska Airlines
$179 $521 No cancel fee 75%
Home North America USA California San Francisco Cheap flights from Colorado to San Francisco