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

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

What airlines fly to California?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to California from Colorado according to our data. Frontier is the first choice among our users, with 52% of people opting to fly with this airline when traveling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

As of September 2025, 252 flights take off from Colorado and land in California each day. The most common flight departure time for this route is 7:00PM, with 41% of daily flights taking off at noon.

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

The number of flights available between Colorado and California is 1,764 per week as of September 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

How long is the flight from Colorado to California?

Flight times from Colorado to California vary, but if you’re flying out of Aspen and flying into Los Angeles (one of the most popular routes), then the duration is 2h 16m on average. Another popular route from Colorado to California is flying from Montrose to Los Angeles, which will take roughly 2h 20m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Colorado to California refresh daily.

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

There are 7 operators available for flights from Colorado to California as of September 2025.

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

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 Colorado to California.

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

The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$38 Cheap Flights from Colorado to California in 2025/26

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Find the cheapest flights from Colorado to California

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:29 pm - 11:50 pmDEN-SAN

2h 21mnonstop

9:03 pm - 12:46 amSAN-DEN

2h 43mnonstop

$81Frontier

Find Deal

Mon, Oct 13 - Mon, Oct 20

10:29 pm - 11:50 pmDEN-ONT

2h 21mnonstop

6:53 am - 10:18 amONT-DEN

2h 25mnonstop

$81Frontier

Find Deal

Wed, Oct 8 - Wed, Oct 22

9:00 pm - 10:30 pmDEN-SAN

2h 30mnonstop

6:30 am - 10:00 amSAN-DEN

2h 30mnonstop

$91United Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

8:55 pm - 10:25 pmDEN-SAN

2h 30mnonstop

4:50 pm - 9:35 pmSAN-DEN

3h 45m1 stop

$96Southwest

Find Deal

Fri, Dec 5 - Mon, Dec 8

8:50 pm - 10:15 pmDEN-SAN

2h 25mnonstop

5:55 pm - 12:30 amSAN-DEN

5h 35m1 stop

$97United Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

5:50 am - 9:45 amDEN-SAN

4h 55m1 stop

9:00 pm - 12:25 amSAN-DEN

2h 25mnonstop

$101Southwest

Find Deal

Fri, Nov 7 - Sun, Nov 9

3:00 pm - 4:23 pmDEN-SAN

2h 23mnonstop

8:15 am - 11:34 amSAN-DEN

2h 19mnonstop

$127Alaska Airlines

Find Deal

Thu, Oct 23 - Tue, Nov 4

12:43 pm - 2:09 pmDEN-LAX

2h 26mnonstop

8:25 pm - 11:50 pmLAX-DEN

2h 25mnonstop

$137Delta

Find Deal

Tue, Oct 14 - Tue, Oct 14

3:00 pm - 9:57 amDEN-SJC

19h 57m1 stop

7:00 am - 7:06 pmSJC-DEN

11h 06m1 stop

$177Alaska Airlines

Find Deal

Wed, Oct 22 - Thu, Oct 30

6:20 pm - 9:48 pmDEN-PSP

4h 28m1 stop

3:45 pm - 11:21 pmPSP-DEN

6h 36m1 stop

$229Delta

Find Deal

Fri, Dec 5 - Mon, Dec 8

Delta flights from Colorado to California

Our best Delta deals on Colorado to California flight tickets

Delta

Oct 14

DEN12:43 pmDenver Intl

2h 26m

LAX2:09 pmLos Angeles

Oct 14

LAX8:25 pmLos Angeles

2h 25m

DEN11:50 pmDenver Intl

$137

Find similar

Delta

Dec 5

DEN6:20 pmDenver Intl

4h 28m

1 stop

PSP9:48 pmPalm Springs

Dec 8

PSP3:45 pmPalm Springs

6h 36m

1 stop

DEN11:21 pmDenver Intl

$229

Find similar

Delta

Sep 29

DEN7:21 pmDenver Intl

4h 55m

1 stop

SMF11:16 pmSacramento Intl

Oct 3

SMF12:35 pmSacramento Intl

4h 47m

1 stop

DEN6:22 pmDenver Intl

$327

Find similar

Frontier flights from Colorado to California

Our best Frontier deals on Colorado to California flight tickets

Frontier

Oct 13

DEN10:29 pmDenver Intl

2h 21m

SAN11:50 pmSan Diego

Oct 20

SAN9:03 pmSan Diego

2h 43m

DEN12:46 amDenver Intl

$81

Find similar

Frontier

Oct 24

DEN8:30 amDenver Intl

2h 27m

SAN9:57 amSan Diego

Oct 27

SAN9:03 pmSan Diego

2h 43m

DEN12:46 amDenver Intl

$82

Find similar

Frontier

Oct 28

DEN10:29 pmDenver Intl

2h 21m

SAN11:50 pmSan Diego

Nov 1

SAN5:28 pmSan Diego

2h 31m

DEN8:59 pmDenver Intl

$83

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Mon 10/13

10:29 pm-11:50 pm

Nonstop2h 21m

San Diego

Mon 10/20

9:03 pm-12:46 am

Nonstop2h 43m

$81

DenverOntario

DEN - ONT

DENONT

Denver Intl

Wed 10/8

10:29 pm-11:50 pm

Nonstop2h 21m

Ontario

Wed 10/22

6:53 am-10:18 am

Nonstop2h 25m

$81

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Fri 12/5

9:00 pm-10:30 pm

Nonstop2h 30m

San Diego

Sun 12/7

6:30 am-10:00 am

Nonstop2h 30m

$91

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Fri 12/5

8:55 pm-10:25 pm

Nonstop2h 30m

San Diego

Mon 12/8

4:50 pm-9:35 pm

1 stop3h 45m

$96

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Thu 10/23

8:50 pm-10:15 pm

Nonstop2h 25m

San Diego

Mon 10/27

5:55 pm-12:30 am

1 stop5h 35m

$97

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Fri 11/7

5:50 am-9:45 am

1 stop4h 55m

San Diego

Sun 11/9

9:00 pm-12:25 am

Nonstop2h 25m

$101

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Thu 10/23

3:00 pm-4:23 pm

Nonstop2h 23m

San Diego

Tue 11/4

8:15 am-11:34 am

Nonstop2h 19m

$127

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Tue 10/14

12:43 pm-2:09 pm

Nonstop2h 26m

Los Angeles

Tue 10/14

8:25 pm-11:50 pm

Nonstop2h 25m

$137

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Wed 10/22

3:00 pm-9:57 am

1 stop19h 57m

San Jose

Thu 10/30

7:00 am-7:06 pm

1 stop11h 06m

$177

DenverPalm Springs

DEN - PSP

DENPSP

Denver Intl

Fri 12/5

6:20 pm-9:48 pm

1 stop4h 28m

Palm Springs

Mon 12/8

3:45 pm-11:21 pm

1 stop6h 36m

$229

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How to get the cheapest flight ticket from Colorado to California

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 California?

The month of February is another great option to travel to California, with average flight prices from Colorado averaging around $159.

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

The cheapest day to depart from Colorado to California is on a Friday. Travelers who choose to depart for California on a Friday will often find tickets for as low as $312. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $677.

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

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $351. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $928 on average. Flights to California from Colorado in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Colorado to California flight route?

Fly from Denver Intl to Ontario for the best Colorado - California flight prices

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

You are more likely to see cheaper flights to California from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $186 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Colorado for as low as $148 on momondo.

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

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

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

Cheap Colorado to California flight deals and tips

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

Best Price Found	$81
Fastest flight time	1h 55m
Direct flights	Every day
Airports in California	1 airport

The best one-way flight to California from Colorado in the past 72 hours is $81. The best round-trip flight deal from Colorado to California found on momondo in the last 72 hours is $94.

The fastest flight from Colorado to California takes 1h 55m

Direct flights go from Colorado to California every day.

There is 1 airport near California: Las Vegas Harry Reid Intl (LAS)

Search flight deals

When did momondo last update prices for flights from Colorado to California?
Prices for flights from Colorado to California refresh daily.
How many operators does momondo search for flights from Colorado to California?
There are 7 operators available for flights from Colorado to California as of September 2025.
How old do you have to be to fly from Colorado to California?
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 Colorado to California.
What documentation or ID do you need to fly to California?
The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to California?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to California is Boeing 737 MAX 8 (14.36% of total bookings). The next most popular plane models are Airbus A321neo (13.24%), Airbus A320neo (11.01%), and Boeing 737-800 (8.49%).

Best airlines flying from Colorado to California

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
Allegiant Air	PriceFrom $57	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,732 reviews	Search Hawaiian Airlines flights
Breeze Airways	PriceFrom $98	Free Cancellation	Rating 8.0 208 reviews	Search Breeze Airways flights
Delta	PriceFrom $104	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
Southwest	PriceFrom $120	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $127	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $144	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $144	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to California for you.

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

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

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

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 Colorado to California.

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

Yes momondo offers price alerts on flights to California 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.

An easier way to manage your California trip

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Find better results for your trip to California

Popular cities in California

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $47

Flights to Orlandofrom $60

Flights to Las Vegasfrom $48

Flights to San Franciscofrom $53

Flights to Washington, D.C.from $49

Flights to Bostonfrom $73

Flights to Atlantafrom $51

Flights to Dallasfrom $56

Flights to Seattlefrom $86

Cheap flights from Colorado to California from $42

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 California departing on 10/13. 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

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Find the cheapest flights from Colorado to California

Cheap round-trip flights

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Cheap last minute flights

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Delta flights from Colorado to California

Our best Delta deals on Colorado to California flight tickets

Frontier flights from Colorado to California

Our best Frontier deals on Colorado to California flight tickets

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

See travel insights to California from

How to get the cheapest flight ticket from Colorado to California

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 California?

The month of February is another great option to travel to California, with average flight prices from Colorado averaging around $159.

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

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

What is the cheapest Colorado to California flight route?

Fly from Denver Intl to Ontario for the best Colorado - California flight prices

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

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

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

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

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

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

What airlines fly to California?

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

As of September 2025, 252 flights take off from Colorado and land in California each day. The most common flight departure time for this route is 7:00PM, with 41% of daily flights taking off at noon.

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

The number of flights available between Colorado and California is 1,764 per week as of September 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

How long is the flight from Colorado to California?

Cheap Colorado to California flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in California

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

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

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

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

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

Best airlines flying from Colorado to California

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

Why use momondo?

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

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

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

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

An easier way to manage your California 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 California

Popular cities in California

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