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

Frontier is the most popular carrier 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 48% 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 day?

As of July 2025, there are 190 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.

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

As of July 2025, 1,334 flights take off from California and land in Colorado each week. The most common flight departure day for this route is Thu, with 24% of weekly flights taking off on this day.

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 July 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.

$30 Cheap Flights from California to Colorado in 2025

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Find the cheapest flights from California to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:58 pm - 4:25 pmSNA-DEN

2h 27mnonstop

10:40 am - 12:13 pmDEN-SNA

2h 33mnonstop

$49Frontier

Find Deal

mié., oct. 1 - sáb., oct. 4

12:59 am - 4:00 amLAS-DEN

2h 01mnonstop

10:29 pm - 11:32 pmDEN-LAS

2h 03mnonstop

$58Frontier

Find Deal

mié., oct. 1 - lun., oct. 13

1:37 pm - 5:13 pmLAX-DEN

2h 36mnonstop

4:00 pm - 5:30 pmDEN-LAX

2h 30mnonstop

$59Frontier

Find Deal

mié., oct. 1 - sáb., oct. 4

8:50 am - 12:15 pmSAN-DEN

2h 25mnonstop

7:00 pm - 8:25 pmDEN-SAN

2h 25mnonstop

$137Southwest

Find Deal

mar., sep. 9 - mar., sep. 23

8:04 am - 11:28 amLAX-DEN

2h 24mnonstop

7:21 pm - 8:53 pmDEN-LAX

2h 32mnonstop

$139Delta

Find Deal

mié., oct. 1 - mié., oct. 1

5:56 pm - 12:28 amSAN-DEN

5h 32m1 stop

7:45 am - 9:09 amDEN-SAN

2h 24mnonstop

$143United Airlines

Find Deal

sáb., ago. 23 - mié., ago. 27

10:45 am - 1:45 pmLAS-DEN

2h 00mnonstop

9:35 pm - 10:30 pmDEN-LAS

1h 55mnonstop

$147Southwest

Find Deal

sáb., ago. 30 - jue., sep. 4

5:05 am - 8:22 amONT-DEN

2h 17mnonstop

1:45 pm - 3:02 pmDEN-ONT

2h 17mnonstop

$157United Airlines

Find Deal

mar., oct. 14 - mar., oct. 14

4:24 pm - 10:05 pmSMF-DEN

4h 41m1 stop

6:58 pm - 10:31 pmDEN-SMF

4h 33m1 stop

$215American Airlines

Find Deal

vie., ago. 29 - dom., ago. 31

6:00 am - 11:51 amOAK-DEN

4h 51m1 stop

6:25 pm - 10:48 pmDEN-OAK

5h 23m1 stop

$217Delta

Find Deal

jue., sep. 4 - sáb., sep. 13

Frontier flights from California to Colorado

Our best Frontier deals on California to Colorado flight tickets

Frontier

Oct 1

SNA12:58 pmSanta Ana J. Wayne/Orange Cnty

2h 27m

DEN4:25 pmDenver Intl

Oct 4

DEN10:40 amDenver Intl

2h 33m

SNA12:13 pmSanta Ana J. Wayne/Orange Cnty

$49

Find similar

Frontier

Oct 1

LAS12:59 amLas Vegas Harry Reid Intl

2h 01m

DEN4:00 amDenver Intl

Oct 13

DEN10:29 pmDenver Intl

2h 03m

LAS11:32 pmLas Vegas Harry Reid Intl

$58

Find similar

Frontier

Oct 1

LAX1:37 pmLos Angeles

2h 36m

DEN5:13 pmDenver Intl

Oct 4

DEN4:00 pmDenver Intl

2h 30m

LAX5:30 pmLos Angeles

$59

Find similar

Alaska Airlines flights from California to Colorado

Our best Alaska Airlines deals on California to Colorado flight tickets

Alaska Airlines

Nov 19

SAN8:15 amSan Diego

2h 19m

DEN11:34 amDenver Intl

Nov 27

DEN6:00 amDenver Intl

2h 51m

SAN7:51 amSan Diego

$147

Find similar

Alaska Airlines

Sep 16

OAK6:15 amOakland

6h 51m

1 stop

DEN2:06 pmDenver Intl

Sep 24

DEN8:00 amDenver Intl

6h 36m

1 stop

OAK1:36 pmOakland

$176

Find similar

Alaska Airlines

Aug 26

OAK6:15 amOakland

6h 51m

1 stop

DEN2:06 pmDenver Intl

Sep 2

DEN9:23 pmDenver Intl

13h 58m

1 stop

OAK10:21 amOakland

$196

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaDenver

SNA - DEN

SNADEN

Santa Ana J. Wayne/Orange Cnty

mié. 10/1

12:58 pm-4:25 pm

Nonstop2h 27m

Denver Intl

sáb. 10/4

10:40 am-12:13 pm

Nonstop2h 33m

$49

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

mié. 10/1

12:59 am-4:00 am

Nonstop2h 01m

Denver Intl

lun. 10/13

10:29 pm-11:32 pm

Nonstop2h 03m

$58

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

mié. 10/1

1:37 pm-5:13 pm

Nonstop2h 36m

Denver Intl

sáb. 10/4

4:00 pm-5:30 pm

Nonstop2h 30m

$59

San DiegoDenver

SAN - DEN

SANDEN

San Diego

mar. 9/9

8:50 am-12:15 pm

Nonstop2h 25m

Denver Intl

mar. 9/23

7:00 pm-8:25 pm

Nonstop2h 25m

$137

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

mié. 10/1

8:04 am-11:28 am

Nonstop2h 24m

Denver Intl

mié. 10/1

7:21 pm-8:53 pm

Nonstop2h 32m

$139

San DiegoDenver

SAN - DEN

SANDEN

San Diego

sáb. 8/23

5:56 pm-12:28 am

1 stop5h 32m

Denver Intl

mié. 8/27

7:45 am-9:09 am

Nonstop2h 24m

$143

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

sáb. 8/30

10:45 am-1:45 pm

Nonstop2h 00m

Denver Intl

jue. 9/4

9:35 pm-10:30 pm

Nonstop1h 55m

$147

OntarioDenver

ONT - DEN

ONTDEN

Ontario

mar. 10/14

5:05 am-8:22 am

Nonstop2h 17m

Denver Intl

mar. 10/14

1:45 pm-3:02 pm

Nonstop2h 17m

$157

SacramentoDenver

SMF - DEN

SMFDEN

Sacramento Intl

vie. 8/29

4:24 pm-10:05 pm

1 stop4h 41m

Denver Intl

dom. 8/31

6:58 pm-10:31 pm

1 stop4h 33m

$215

OaklandDenver

OAK - DEN

OAKDEN

Oakland

jue. 9/4

6:00 am-11:51 am

1 stop4h 51m

Denver Intl

sáb. 9/13

6:25 pm-10:48 pm

1 stop5h 23m

$217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $142. The month of September is another great option to travel to Colorado, with average flight prices from California averaging around $166.

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

The cheapest day to depart from California to Colorado is on a Saturday when prices can be found for as low as $241. 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 $314.

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 afternoon when flights can be purchased for as low as $218. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $288 per ticket.

What is the cheapest California to Colorado flight route?

Fly from San Francisco to Grand Junction Regnl 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 $188 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 $147 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	$30
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 $30. The best round-trip flight deal from California to Colorado found on momondo in the last 72 hours is $49.

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 July 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 Airbus A321neo, making up 12.64% of the total bookings. Other popular models include Boeing 737 MAX 8 with 12.16%, Airbus A320neo with 10.33%, and Boeing 737-800 with 9.32%.

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 5.9 3,239 reviews	Search Frontier flights
Allegiant Air	PriceFrom $71	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Breeze Airways	PriceFrom $98	Free Cancellation	Rating 8.0 191 reviews	Search Breeze Airways flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,611 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $108	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Alaska Airlines	PriceFrom $116	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $119	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $130	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom $141	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 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

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 $54

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Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

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Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from California to Colorado from $30

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 11/12. 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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Price Alerts

Find the cheapest flights from California to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from California to Colorado

Our best Frontier deals on California to Colorado flight tickets

Alaska Airlines flights from California to Colorado

Our best Alaska Airlines deals on California to Colorado flight tickets

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

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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 $142. The month of September is another great option to travel to Colorado, with average flight prices from California averaging around $166.

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 afternoon when flights can be purchased for as low as $218. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $288 per ticket.

What is the cheapest California to Colorado flight route?

Fly from San Francisco to Grand Junction Regnl 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 is the most popular carrier operating from California to Colorado

What airlines fly to Colorado?

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

As of July 2025, there are 190 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 July 2025, 1,334 flights take off from California and land in Colorado each week. The most common flight departure day for this route is Thu, with 24% 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