What is the cheapest airline that flies from California to Colorado?

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from California to Colorado

What airlines fly to Colorado?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Colorado from California according to our data. Frontier is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 9 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

As of October 2025, 775 flights take off from California and land in Colorado each week. The most common flight departure day for this route is Thu, with 39% of weekly flights taking off on this day.

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

As of October 2025, there are 110 flights per day flying from California to Colorado. The most common time of day flights depart is 2:00PM, with 41% of flights taking off in the afternoon.

How long is the flight from California to Colorado?

Flight times from California to Colorado vary, but if you’re flying out of San Diego and flying into Denver (one of the most popular routes), then the duration is 2h 13m on average. Another popular route from California to Colorado is flying from Sacramento to Denver, which will take roughly 2h 15m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from California to Colorado?

Prices for flights from California to Colorado were last updated today.

How many operators does momondo search for flights from California to Colorado?

As of October 2025, there are 8 operators available to choose from for flights from California to Colorado.

How old do you have to be to fly from California to Colorado?

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 California to Colorado.

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

The travel and health documents required for your trip to Colorado 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 Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$29 Cheap Flights from California to Colorado in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:04 amLAS-DEN

2h 04mnonstop

6:35 am - 12:41 pmDEN-LAS

7h 06m1 stop

$67Frontier

Find Deal

Sat, Dec 27 - Sat, Jan 3

12:59 am - 3:59 amLAS-DEN

2h 00mnonstop

10:29 pm - 11:29 pmDEN-LAS

2h 00mnonstop

$68Frontier

Find Deal

Mon, Nov 10 - Tue, Nov 18

7:30 pm - 10:55 pmSAN-DEN

2h 25mnonstop

9:25 pm - 10:55 pmDEN-SAN

2h 30mnonstop

$117Southwest

Find Deal

Thu, Nov 20 - Sun, Nov 23

6:30 am - 12:10 pmSAN-DEN

4h 40m1 stop

9:55 pm - 11:25 pmDEN-SAN

2h 30mnonstop

$122Southwest

Find Deal

Thu, Jan 1 - Sun, Jan 4

8:45 am - 12:08 pmSMF-DEN

2h 23mnonstop

8:22 am - 10:03 amDEN-SMF

2h 41mnonstop

$197United Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

9:10 am - 12:22 pmLAX-ASE

2h 12mnonstop

12:01 pm - 1:30 pmASE-LAX

2h 29mnonstop

$253Delta

Find Deal

Thu, Nov 13 - Sun, Nov 16

9:10 am - 12:22 pmLAX-ASE

2h 12mnonstop

12:01 pm - 1:30 pmASE-LAX

2h 29mnonstop

$273Delta

Find Deal

Thu, Nov 13 - Mon, Nov 17

8:32 am - 7:31 pmLAX-ASE

9h 59m2 stops

12:25 pm - 6:07 pmASE-LAX

6h 42m1 stop

$316American Airlines

Find Deal

Tue, Nov 18 - Sun, Nov 23

8:32 am - 7:31 pmLAX-ASE

9h 59m2 stops

7:34 am - 2:50 pmASE-LAX

8h 16m1 stop

$326American Airlines

Find Deal

Tue, Nov 18 - Sun, Nov 23

4:21 pm - 7:48 pmLAX-ASE

2h 27mnonstop

4:59 pm - 9:19 pmASE-LAX

5h 20m1 stop

$341United Airlines

Find Deal

Sun, Feb 15 - Fri, Feb 20

Frontier flights from California to Colorado

Our best Frontier deals on California to Colorado flight tickets

Frontier

Dec 27

LAS6:00 amLas Vegas Harry Reid Intl

2h 04m

DEN9:04 amDenver Intl

Jan 3

DEN6:35 amDenver Intl

7h 06m

1 stop

LAS12:41 pmLas Vegas Harry Reid Intl

$67

Find similar

Frontier

Nov 10

LAS12:59 amLas Vegas Harry Reid Intl

2h 00m

DEN3:59 amDenver Intl

Nov 18

DEN10:29 pmDenver Intl

2h 00m

LAS11:29 pmLas Vegas Harry Reid Intl

$68

Find similar

Frontier

Dec 23

SAN4:47 pmSan Diego

2h 33m

DEN8:20 pmDenver Intl

Dec 28

DEN5:43 pmDenver Intl

2h 32m

SAN7:15 pmSan Diego

$69

Find similar

United Airlines flights from California to Colorado

Our best United Airlines deals on California to Colorado flight tickets

United Airlines

Dec 4

SMF8:45 amSacramento Intl

2h 23m

DEN12:08 pmDenver Intl

Dec 11

DEN8:22 amDenver Intl

2h 41m

SMF10:03 amSacramento Intl

$197

Find similar

United Airlines

Nov 5

LAX9:15 amLos Angeles

2h 21m

ASE12:36 pmAspen Pitkin County

Nov 6

ASE1:40 pmAspen Pitkin County

2h 27m

LAX3:07 pmLos Angeles

$345

Find similar

United Airlines

Nov 6

LAX9:15 amLos Angeles

2h 21m

ASE12:36 pmAspen Pitkin County

Nov 13

ASE5:12 pmAspen Pitkin County

6h 35m

1 stop

LAX10:47 pmLos Angeles

$386

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sat 12/27

6:00 am-9:04 am

Nonstop2h 04m

Denver Intl

Sat 1/3

6:35 am-12:41 pm

1 stop7h 06m

$67

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Mon 11/10

12:59 am-3:59 am

Nonstop2h 00m

Denver Intl

Tue 11/18

10:29 pm-11:29 pm

Nonstop2h 00m

$68

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 11/20

7:30 pm-10:55 pm

Nonstop2h 25m

Denver Intl

Sun 11/23

9:25 pm-10:55 pm

Nonstop2h 30m

$117

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

6:30 am-12:10 pm

1 stop4h 40m

Denver Intl

Sun 1/4

9:55 pm-11:25 pm

Nonstop2h 30m

$122

SacramentoDenver

SMF - DEN

SMFDEN

Sacramento Intl

Thu 12/4

8:45 am-12:08 pm

Nonstop2h 23m

Denver Intl

Thu 12/11

8:22 am-10:03 am

Nonstop2h 41m

$197

Los AngelesAspen

LAX - ASE

LAXASE

Los Angeles

Thu 11/13

9:10 am-12:22 pm

Nonstop2h 12m

Aspen Pitkin County

Sun 11/16

12:01 pm-1:30 pm

Nonstop2h 29m

$253

Los AngelesAspen

LAX - ASE

LAXASE

Los Angeles

Thu 11/13

9:10 am-12:22 pm

Nonstop2h 12m

Aspen Pitkin County

Mon 11/17

12:01 pm-1:30 pm

Nonstop2h 29m

$273

Los AngelesAspen

LAX - ASE

LAXASE

Los Angeles

Tue 11/18

8:32 am-7:31 pm

2 stops9h 59m

Aspen Pitkin County

Sun 11/23

12:25 pm-6:07 pm

1 stop6h 42m

$316

Los AngelesAspen

LAX - ASE

LAXASE

Los Angeles

Tue 11/18

8:32 am-7:31 pm

2 stops9h 59m

Aspen Pitkin County

Sun 11/23

7:34 am-2:50 pm

1 stop8h 16m

$326

Los AngelesAspen

LAX - ASE

LAXASE

Los Angeles

Sun 2/15

4:21 pm-7:48 pm

Nonstop2h 27m

Aspen Pitkin County

Fri 2/20

4:59 pm-9:19 pm

1 stop5h 20m

$341

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How to get the cheapest flight ticket from California 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 California, with most prices found around $139. The month of September is another great option to travel to Colorado, with average flight prices from California averaging around $169.

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

The cheapest day to depart from California to Colorado is on a Friday when prices can be found for as low as $253. On the other hand, Sunday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $312.

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 $238. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $276 per ticket.

What is the cheapest California to Colorado flight route?

Fly from Santa Ana J. Wayne/Orange Cnty to Colorado Springs for the best California - 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 California when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $190 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from California for as low as $148 on momondo.

What cabin class options are available on California to Colorado flights?

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

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

Cheap California to Colorado flight deals and tips

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

Best Price Found	$70
Fastest flight time	1h 50m
Direct flights	Every day
Airports in Colorado	1 airport

The best one-way flight to Colorado from California in the past 72 hours is $70. The best round-trip flight deal from California to Colorado found on momondo in the last 72 hours is $97.

The fastest flight from California to Colorado takes 1h 50m

Direct flights go from California to Colorado every day.

There is 1 airport near Colorado: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from California to Colorado?
Prices for flights from California to Colorado were last updated today.
How many operators does momondo search for flights from California to Colorado?
As of October 2025, there are 8 operators available to choose from for flights from California to Colorado.
How old do you have to be to fly from California to Colorado?
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 California to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado 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 Colorado. 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 California to Colorado?
Based on momondo bookings for flights between California and Colorado, the leading plane model is Boeing 737 MAX 8, making up 13.81% of the total bookings. Other popular models include Airbus A321neo with 13.21%, Airbus A320neo with 10.16%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 8.68%.

Best airlines flying from California to Colorado

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.8 3,123 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $68	Free Cancellation	Rating 7.8 2,798 reviews	Search Hawaiian Airlines flights
Allegiant Air	PriceFrom $79	Free Cancellation	Rating 7.2 694 reviews	Search Allegiant Air flights
Breeze Airways	PriceFrom $98	Free Cancellation	Rating 8.1 222 reviews	Search Breeze Airways flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 7,999 reviews	Search Delta flights
Alaska Airlines	PriceFrom $101	Free Cancellation	Rating 8.0 11,220 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $118	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
United Airlines	PriceFrom $133	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
American Airlines	PriceFrom $155	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights

Why use momondo?

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

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

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

Flights from California to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from California to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to Colorado.

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

Yes. momondo can track prices for California to Colorado flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Colorado trip

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Popular cities in Colorado

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Cheap flights from California to Colorado from $29

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Colorado departing on 1/11. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from California to Colorado

Cheap round-trip flights

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Cheap last minute flights

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Frontier flights from California to Colorado

Our best Frontier deals on California to Colorado flight tickets

United Airlines flights from California to Colorado

Our best United Airlines deals on California to Colorado flight tickets

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How to get the cheapest flight ticket from California 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 California, with most prices found around $139. The month of September is another great option to travel to Colorado, with average flight prices from California averaging around $169.

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 $238. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $276 per ticket.

What is the cheapest California to Colorado flight route?

Fly from Santa Ana J. Wayne/Orange Cnty to Colorado Springs for the best California - Colorado flight prices

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

What cabin class options are available on California to Colorado flights?

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

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

What is the cheapest airline that flies from California to Colorado?

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from California to Colorado

What airlines fly to Colorado?

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

As of October 2025, there are 110 flights per day flying from California to Colorado. The most common time of day flights depart is 2:00PM, with 41% of flights taking off in the afternoon.

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

As of October 2025, 775 flights take off from California and land in Colorado each week. The most common flight departure day for this route is Thu, with 39% of weekly flights taking off on this day.

How long is the flight from California to Colorado?

Cheap California to Colorado flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from California to Colorado?

How many operators does momondo search for flights from California to Colorado?

How old do you have to be to fly from California to Colorado?

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

What is the most popular plane model from California to Colorado?

Best airlines flying from California to Colorado

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

Why use momondo?

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

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

How can momondo help me find flights from California to Colorado?

I’m not ready to book a flight from California 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