What airlines fly to Colorado?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Colorado from San Francisco according to our data. Frontier is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Francisco to Colorado?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from San Francisco to Colorado

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

41 flights are operational daily from San Francisco to Colorado as of September 2025. The most popular departure time for this route is 4:00PM, with 41% of flights per day taking off at noon.

How many flights depart from San Francisco to Colorado on average per week?

The number of flights available between San Francisco and Colorado is 291 per week as of September 2025. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.

When did momondo last update prices for flights from San Francisco Airport to Colorado?

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

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

There are 6 operators available for flights from San Francisco Airport to Colorado as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$58 Cheap Flights from San Francisco to Colorado in 2025/26

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Find the cheapest flights from San Francisco to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:34 am - 10:18 amSFO-DEN

2h 44mnonstop

8:39 pm - 10:27 pmDEN-SFO

2h 48mnonstop

$106Frontier

Find Deal

Tue, Oct 14 - Wed, Oct 22

8:00 am - 11:42 amSFO-DEN

2h 42mnonstop

10:30 pm - 12:25 amDEN-SFO

2h 55mnonstop

$107Frontier

Find Deal

Wed, Dec 3 - Mon, Dec 8

7:00 am - 4:02 pmSFO-COS

8h 02m1 stop

5:01 pm - 11:29 pmCOS-SFO

7h 28m1 stop

$177American Airlines

Find Deal

Mon, Oct 27 - Wed, Oct 29

11:26 am - 9:44 pmSFO-COS

9h 18m2 stops

5:11 pm - 10:40 pmCOS-SFO

6h 29m1 stop

$182American Airlines

Find Deal

Tue, Jan 20 - Mon, Jan 26

9:55 am - 5:09 pmSFO-COS

6h 14m1 stop

5:49 pm - 10:16 pmCOS-SFO

5h 27m1 stop

$217Delta

Find Deal

Sat, Oct 11 - Sat, Oct 18

10:40 am - 5:52 pmSFO-ASE

6h 12m1 stop

12:10 pm - 5:45 pmASE-SFO

6h 35m1 stop

$217Delta

Find Deal

Sun, Nov 2 - Wed, Nov 5

5:30 am - 11:36 amSFO-DRO

5h 06m1 stop

6:05 pm - 10:55 pmDRO-SFO

5h 50m1 stop

$224United Airlines

Find Deal

Sun, Nov 2 - Wed, Nov 5

7:00 am - 10:48 amSFO-ASE

2h 48mnonstop

3:56 pm - 5:53 pmASE-SFO

2h 57mnonstop

$254United Airlines

Find Deal

Fri, Mar 6 - Mon, Mar 9

5:00 am - 11:25 amSFO-HDN

5h 25m1 stop

12:35 pm - 10:05 pmHDN-SFO

10h 30m1 stop

$254Southwest

Find Deal

Sat, Oct 25 - Mon, Oct 27

5:00 am - 10:35 amSFO-MTJ

4h 35m1 stop

12:20 pm - 10:50 pmMTJ-SFO

11h 30m1 stop

$275Southwest

Find Deal

Fri, Feb 27 - Mon, Mar 2

Frontier flights from San Francisco to Colorado

Our best Frontier deals on San Francisco to Colorado flight tickets

Frontier

Oct 14

SFO6:34 amSan Francisco

2h 44m

DEN10:18 amDenver Intl

Oct 22

DEN8:39 pmDenver Intl

2h 48m

SFO10:27 pmSan Francisco

$106

Find similar

Frontier

Dec 3

SFO8:00 amSan Francisco

2h 42m

DEN11:42 amDenver Intl

Dec 8

DEN10:30 pmDenver Intl

2h 55m

SFO12:25 amSan Francisco

$107

Find similar

Frontier

Oct 21

SFO6:34 amSan Francisco

2h 44m

DEN10:18 amDenver Intl

Oct 23

DEN12:38 pmDenver Intl

2h 46m

SFO2:24 pmSan Francisco

$108

Find similar

American Airlines flights from San Francisco to Colorado

Our best American Airlines deals on San Francisco to Colorado flight tickets

American Airlines

Oct 27

SFO7:00 amSan Francisco

8h 02m

1 stop

COS4:02 pmColorado Springs

Oct 29

COS5:01 pmColorado Springs

7h 28m

1 stop

SFO11:29 pmSan Francisco

$177

Find similar

American Airlines

Jan 20

SFO11:26 amSan Francisco

9h 18m

2 stops

COS9:44 pmColorado Springs

Jan 26

COS5:11 pmColorado Springs

6h 29m

1 stop

SFO10:40 pmSan Francisco

$182

Find similar

American Airlines

Oct 26

SFO12:50 amSan Francisco

7h 57m

1 stop

COS9:47 amColorado Springs

Oct 29

COS5:01 pmColorado Springs

7h 28m

1 stop

SFO11:29 pmSan Francisco

$212

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 10/14

6:34 am-10:18 am

Nonstop2h 44m

Denver Intl

Wed 10/22

8:39 pm-10:27 pm

Nonstop2h 48m

$106

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 12/3

8:00 am-11:42 am

Nonstop2h 42m

Denver Intl

Mon 12/8

10:30 pm-12:25 am

Nonstop2h 55m

$107

San FranciscoColorado Springs

SFO - COS

SFOCOS

San Francisco

Mon 10/27

7:00 am-4:02 pm

1 stop8h 02m

Colorado Springs

Wed 10/29

5:01 pm-11:29 pm

1 stop7h 28m

$177

San FranciscoColorado Springs

SFO - COS

SFOCOS

San Francisco

Tue 1/20

11:26 am-9:44 pm

2 stops9h 18m

Colorado Springs

Mon 1/26

5:11 pm-10:40 pm

1 stop6h 29m

$182

San FranciscoColorado Springs

SFO - COS

SFOCOS

San Francisco

Sat 10/11

9:55 am-5:09 pm

1 stop6h 14m

Colorado Springs

Sat 10/18

5:49 pm-10:16 pm

1 stop5h 27m

$217

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Sun 11/2

10:40 am-5:52 pm

1 stop6h 12m

Aspen Pitkin County

Wed 11/5

12:10 pm-5:45 pm

1 stop6h 35m

$217

San FranciscoDurango

SFO - DRO

SFODRO

San Francisco

Sun 11/2

5:30 am-11:36 am

1 stop5h 06m

Durango La Plata County

Wed 11/5

6:05 pm-10:55 pm

1 stop5h 50m

$224

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Fri 3/6

7:00 am-10:48 am

Nonstop2h 48m

Aspen Pitkin County

Mon 3/9

3:56 pm-5:53 pm

Nonstop2h 57m

$254

San FranciscoHayden

SFO - HDN

SFOHDN

San Francisco

Sat 10/25

5:00 am-11:25 am

1 stop5h 25m

Hayden Yampa Valley

Mon 10/27

12:35 pm-10:05 pm

1 stop10h 30m

$254

San FranciscoMontrose

SFO - MTJ

SFOMTJ

San Francisco

Fri 2/27

5:00 am-10:35 am

1 stop4h 35m

Montrose County

Mon 3/2

12:20 pm-10:50 pm

1 stop11h 30m

$275

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of January is, on average, the cheapest month to fly to Colorado from San Francisco, with most prices found around $192. The month of October is another great option to travel to Colorado, with average flight prices from San Francisco averaging around $195.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from San Francisco to Colorado is on a Friday when prices can be found for as low as $303. On the other hand, Sunday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $375.

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $253. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $349 per ticket.

What is the cheapest San Francisco to Colorado flight route?

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

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

You are more likely to see cheaper flights to Colorado from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $229 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from San Francisco for as low as $179 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco to Colorado 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 San Francisco to Colorado flights?

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

Cheap San Francisco to Colorado flight deals and tips

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

Best Price Found	$121
Fastest flight time	2h 18m
Direct flights	Every day
Airports in Colorado	5 airports

The best one-way flight to Colorado from San Francisco in the past 72 hours is $121. The best round-trip flight deal from San Francisco to Colorado found on momondo in the last 72 hours is $180.

The fastest flight from San Francisco to Colorado takes 2h 18m

Direct flights go from San Francisco to Colorado every day.

There are 5 airports near Colorado: Montrose County (MTJ), Vail Eagle County (EGE), Aspen Pitkin County (ASE), Hayden Yampa Valley (HDN), Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from San Francisco Airport to Colorado?
Prices for flights from San Francisco Airport to Colorado were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Colorado?
There are 6 operators available for flights from San Francisco Airport to Colorado as of September 2025.
How old do you have to be to fly from San Francisco Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Colorado?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to Colorado is Airbus A321neo, representing 13.53% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 12.69%, Airbus A320neo at 10.77%, and Boeing 737-800 at 9.98%.

Best airlines flying from San Francisco to Colorado

Compare and see reviews for airlines that fly from San Francisco to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
Allegiant Air	PriceFrom $88	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
Southwest	PriceFrom $157	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $164	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $175	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
American Airlines	PriceFrom $176	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Colorado from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Colorado from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for San Francisco to Colorado 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 San Francisco to Colorado right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Colorado

Popular cities in Colorado

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Flights to Orlandofrom $60

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Flights to San Franciscofrom $53

Flights to Washington, D.C.from $49

Flights to Bostonfrom $62

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Flights to Dallasfrom $68

Flights to Seattlefrom $69

Cheap flights from San Francisco to Colorado from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Colorado departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from San Francisco to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from San Francisco to Colorado

Our best Frontier deals on San Francisco to Colorado flight tickets

American Airlines flights from San Francisco to Colorado

Our best American Airlines deals on San Francisco to Colorado flight tickets

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Use the filters below to find and compare flights from San Francisco to Colorado that are best for you.

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

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 Colorado?

The month of January is, on average, the cheapest month to fly to Colorado from San Francisco, with most prices found around $192. The month of October is another great option to travel to Colorado, with average flight prices from San Francisco averaging around $195.

What is the cheapest day to depart on your flight to Colorado?

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $253. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $349 per ticket.

What is the cheapest San Francisco to Colorado flight route?

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

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

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

There are 4 cabin classes available to choose from on San Francisco to Colorado 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 San Francisco to Colorado flights?

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

What is the cheapest airline that flies from San Francisco to Colorado?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from San Francisco to Colorado

What airlines fly to Colorado?

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

41 flights are operational daily from San Francisco to Colorado as of September 2025. The most popular departure time for this route is 4:00PM, with 41% of flights per day taking off at noon.

How many flights depart from San Francisco to Colorado on average per week?

The number of flights available between San Francisco and Colorado is 291 per week as of September 2025. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.

Cheap San Francisco to Colorado flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from San Francisco Airport to Colorado?

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

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

What documentation or ID do you need to fly to Colorado?

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

Best airlines flying from San Francisco to Colorado

Compare and see reviews for airlines that fly from San Francisco to Colorado with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo