Cheap flights from Colorado to San Francisco from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to San Francisco departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
10:29 pm - 12:14 amDEN-SFO
2h 45mnonstop
Frontier Logo
8:09 pm - 11:50 pmSFO-DEN
2h 41mnonstop
$118Frontier
Find Deal
Fri, Oct 31 - Sun, Nov 16
Frontier Logo
8:41 pm - 10:30 pmDEN-SFO
2h 49mnonstop
Frontier Logo
11:57 pm - 9:01 amSFO-DEN
8h 04m1 stop
$119Frontier
Find Deal
Wed, Sep 17 - Mon, Sep 22
 Logo
11:40 am - 4:24 pmDEN-SFO
5h 44m1 stop
 Logo
11:57 pm - 9:01 amSFO-DEN
8h 04m1 stop
Sat, Sep 27 - Mon, Sep 29
Southwest Logo
4:50 pm - 11:05 pmMTJ-SFO
7h 15m1 stop
Southwest Logo
8:30 am - 4:05 pmSFO-MTJ
6h 35m1 stop
$217Southwest
Find Deal
Wed, Oct 22 - Tue, Oct 28
United Airlines Logo
1:38 pm - 5:50 pmDRO-SFO
5h 12m1 stop
United Airlines Logo
5:00 am - 12:36 pmSFO-DRO
6h 36m1 stop
$218United Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 3
United Airlines Logo
7:08 am - 8:48 amASE-SFO
2h 40mnonstop
United Airlines Logo
7:25 am - 1:51 pmSFO-ASE
5h 26m1 stop
$219United Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21
American Airlines Logo
7:30 am - 1:11 pmMTJ-SFO
6h 41m1 stop
American Airlines Logo
8:30 am - 6:03 pmSFO-MTJ
8h 33m2 stops
$222American Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
American Airlines Logo
7:30 am - 2:41 pmMTJ-SFO
8h 11m1 stop
American Airlines Logo
10:16 am - 7:19 pmSFO-MTJ
8h 03m1 stop
$223American Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
 Logo
4:47 pm - 9:17 pmCOS-SFO
5h 30m1 stop
 Logo
8:00 am - 2:58 pmSFO-COS
29h 58m2 stops
Mon, Nov 3 - Wed, Nov 5
Southwest Logo
6:15 pm - 10:05 pmCOS-SFO
4h 50m1 stop
Southwest Logo
4:20 pm - 12:35 amSFO-COS
7h 15m1 stop
$300Southwest
Find Deal
Fri, Oct 24 - Mon, Oct 27

Frontier flights from Colorado to San Francisco

Our best Frontier deals on Colorado to San Francisco flight tickets
Frontier
Oct 31
DEN10:29 pmDenver Intl
2h 45m
SFO12:14 amSan Francisco
Nov 16
SFO8:09 pmSan Francisco
2h 41m
DEN11:50 pmDenver Intl
Frontier
Sep 17
DEN8:41 pmDenver Intl
2h 49m
SFO10:30 pmSan Francisco
Sep 22
SFO11:57 pmSan Francisco
8h 04m
1 stop
DEN9:01 amDenver Intl
Frontier
Sep 26
DEN6:29 pmDenver Intl
6h 46m
1 stop
SFO12:15 amSan Francisco
Oct 4
SFO10:49 amSan Francisco
2h 41m
DEN2:30 pmDenver Intl

American Airlines flights from Colorado to San Francisco

Our best American Airlines deals on Colorado to San Francisco flight tickets
American Airlines
Oct 22
MTJ7:30 amMontrose County
6h 41m
1 stop
SFO1:11 pmSan Francisco
Oct 28
SFO8:30 amSan Francisco
8h 33m
2 stops
MTJ6:03 pmMontrose County
American Airlines
Oct 30
MTJ7:30 amMontrose County
8h 11m
1 stop
SFO2:41 pmSan Francisco
Nov 5
SFO10:16 amSan Francisco
8h 03m
1 stop
MTJ7:19 pmMontrose County
American Airlines
Oct 30
MTJ7:30 amMontrose County
6h 41m
1 stop
SFO1:11 pmSan Francisco
Nov 5
SFO7:10 amSan Francisco
11h 09m
2 stops
MTJ7:19 pmMontrose County

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Colorado to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 10/31

10:29 pm-12:14 am

Nonstop2h 45m

San Francisco

Sun 11/16

8:09 pm-11:50 pm

Nonstop2h 41m

$118

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 9/17

8:41 pm-10:30 pm

Nonstop2h 49m

San Francisco

Mon 9/22

11:57 pm-9:01 am

1 stop8h 04m

$119

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 9/27

11:40 am-4:24 pm

1 stop5h 44m

San Francisco

Mon 9/29

11:57 pm-9:01 am

1 stop8h 04m

$162

MontroseSan Francisco

MTJ - SFO

MTJSFO

Montrose County

Wed 10/22

4:50 pm-11:05 pm

1 stop7h 15m

San Francisco

Tue 10/28

8:30 am-4:05 pm

1 stop6h 35m

$217

DurangoSan Francisco

DRO - SFO

DROSFO

Durango La Plata County

Sat 11/1

1:38 pm-5:50 pm

1 stop5h 12m

San Francisco

Mon 11/3

5:00 am-12:36 pm

1 stop6h 36m

$218

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Fri 9/19

7:08 am-8:48 am

Nonstop2h 40m

San Francisco

Sun 9/21

7:25 am-1:51 pm

1 stop5h 26m

$219

MontroseSan Francisco

MTJ - SFO

MTJSFO

Montrose County

Wed 10/22

7:30 am-1:11 pm

1 stop6h 41m

San Francisco

Tue 10/28

8:30 am-6:03 pm

2 stops8h 33m

$222

MontroseSan Francisco

MTJ - SFO

MTJSFO

Montrose County

Thu 10/30

7:30 am-2:41 pm

1 stop8h 11m

San Francisco

Wed 11/5

10:16 am-7:19 pm

1 stop8h 03m

$223

Colorado SpringsSan Francisco

COS - SFO

COSSFO

Colorado Springs

Mon 11/3

4:47 pm-9:17 pm

1 stop5h 30m

San Francisco

Wed 11/5

8:00 am-2:58 pm

2 stops29h 58m

$267

Colorado SpringsSan Francisco

COS - SFO

COSSFO

Colorado Springs

Fri 10/24

6:15 pm-10:05 pm

1 stop4h 50m

San Francisco

Mon 10/27

4:20 pm-12:35 am

1 stop7h 15m

$300

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Colorado to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $175.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Colorado to San Francisco is on a Friday when prices can be found for as low as $290. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $502.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Colorado to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $297. Flights in the morning are often more expensive with an average ticket price of $408.

What is the cheapest Colorado to San Francisco flight route?

Fly from Grand Junction Regnl to San Francisco for the best Colorado - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $215 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Colorado for as low as $175 on momondo.

What cabin class options are available on Colorado to San Francisco flights?

There are 4 cabin classes available to choose from on Colorado to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Colorado to San Francisco.

Cheap Colorado to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to San Francisco

Best Price Found

$146

Fastest flight time

2h 35m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Colorado in the past 72 hours is $146. The best round-trip flight deal from Colorado to San Francisco found on momondo in the last 72 hours is $185.
The fastest flight from Colorado to San Francisco takes 2h 35m
Direct flights go from Colorado to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
  • When did momondo last update prices for flights from Colorado to San Francisco Airport?

    Prices for flights from Colorado to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Colorado to San Francisco Airport?

  • How old do you have to be to fly from Colorado to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Colorado to San Francisco?

Best airlines flying from Colorado to San Francisco

Compare and see reviews for airlines that fly from Colorado to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $45Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
SouthwestPriceFrom $141Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $171Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Calistoga
Hayward
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
South San Francisco
Vallejo
Redwood City
Pacific Grove
Salinas

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to San Francisco?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Colorado to San Francisco. momondo saves you time and could save you money on your trip.

Can I find flights from Colorado to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Colorado to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Colorado to San Francisco?

Once you have performed a search for Colorado to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Tue 9/2
Tue 9/9

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