How does KAYAK find such low prices on flights from Colorado to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to San Francisco. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Colorado is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Colorado to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Colorado with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$78 CHEAP FLIGHTS from Colorado to San Francisco

SFO

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Colorado to San Francisco

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to San Francisco

Sat, Oct 25 - Wed, Oct 29

8:41 pm - 10:29 pmDEN-SFO

2h 48mnonstop

6:34 am - 10:18 amSFO-DEN

2h 44mnonstop

$106Frontier

Find Deal

Wed, Oct 15 - Wed, Oct 22

8:39 pm - 10:27 pmDEN-SFO

2h 48mnonstop

6:34 am - 10:18 amSFO-DEN

2h 44mnonstop

$108Frontier

Find Deal

Wed, Oct 15 - Tue, Oct 21

5:01 pm - 11:29 pmCOS-SFO

7h 28m1 stop

11:55 pm - 9:46 amSFO-COS

8h 51m1 stop

$177American Airlines

Find Deal

Tue, Oct 14 - Thu, Oct 16

7:10 pm - 10:45 pmCOS-SFO

4h 35m1 stop

5:40 am - 3:20 pmSFO-COS

8h 40m1 stop

$182Southwest

Find Deal

Thu, Oct 23 - Thu, Oct 30

4:54 pm - 12:17 amCOS-SFO

8h 23m1 stop

7:00 am - 4:02 pmSFO-COS

8h 02m1 stop

$206American Airlines

Find Deal

Sat, Jan 24 - Tue, Jan 27

5:55 pm - 10:57 pmCOS-SFO

6h 02m1 stop

5:00 pm - 10:30 pmSFO-COS

4h 30m1 stop

$217Delta

Find Deal

Sat, Jan 24 - Tue, Jan 27

8:00 am - 12:40 pmCOS-SFO

5h 40m1 stop

6:00 am - 5:14 pmSFO-COS

10h 14m2 stops

$222Delta

Find Deal

Wed, Nov 5 - Tue, Nov 11

12:05 pm - 6:35 pmMTJ-SFO

7h 30m1 stop

5:50 am - 11:20 amSFO-MTJ

4h 30m1 stop

$237Southwest

Find Deal

Thu, Oct 23 - Sun, Oct 26

5:55 pm - 10:57 pmDRO-SFO

6h 02m1 stop

6:30 am - 2:43 pmSFO-DRO

7h 13m1 stop

$238United Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

1:37 pm - 5:50 pmHDN-SFO

5h 13m1 stop

6:30 am - 12:34 pmSFO-HDN

5h 04m1 stop

$249United Airlines

Find Deal

Cheapest round-trip

$106

Typical prices: $123-277

Frontier

Sat 10/25Wed 10/29

DEN - SFO • Non-stop

Cheapest one-way

$78

Typical prices: $107-265

Frontier

Wed 9/24

DEN - SFO • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Francisco!

Useful Info

Low season	January
High season	December
Cheapest flight	$78

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from Denver to San Francisco

How does KAYAK find such low prices on flights from Colorado to San Francisco?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to San Francisco.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to San Francisco?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Colorado to San Francisco?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Colorado with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to San Francisco?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Calistoga

Marina

Pacifica

Capitola

Emeryville

Rohnert Park

Millbrae

Campbell

Mill Valley

Newark

Novato

Windsor

Belmont

Los Altos

West Sacramento

Richmond

Union City

Jenner

Corte Madera

American Canyon

Everything you need to know for your flight to San Francisco

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Francisco

San Francisco (SFO)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SFO

$78 Find Cheap Flights from Colorado to San Francisco

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

Cheap Flights from Colorado to San Francisco

Recent round-trip flight deals from Colorado to San Francisco

Recent one-way flight deals from Colorado to San Francisco

Recent last minute flight deals from Colorado to San Francisco

Recent direct flight deals from Colorado to San Francisco

Everything you should know

Good to know

FAQs for booking flights from Colorado to San Francisco

How does KAYAK find such low prices on flights from Colorado to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to San Francisco.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Colorado to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Colorado with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Francisco?

Everything you need to know for your flight to San Francisco

Information on the airport you'll fly into in San Francisco

Cabin class types available on flights to Colorado

Complete your trip to San Francisco with a hotel stay or car rental

Find direct flights for San Francisco

Flights to other popular destinations

Flights from domestic origins to San Francisco

Choose which airport to fly into in San Francisco

Find deals for your return flight