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

The number of flights available between California and Denver is 105 per day as of December 2025. The most frequent departure time is 4:00PM, with 45% of daily flights leaving in the afternoon.

How long does it take to fly to Denver?

Flight times vary depending on what airport in California you fly out of and what airport in Denver you fly into. For example, flying from Santa Ana to Denver takes 2h 15m on average. On the other hand, flying from San Diego to Denver takes 2h 19m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

As of December 2025, 736 flights take off from California and land in Denver each week. The most common flight departure day for this route is Wed, with 39% of weekly flights taking off on this day.

What is the cheapest airline that flies from California to Denver Intl?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from California to Denver Intl

What airlines fly to Denver?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from California according to our data. Frontier is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 8 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from California to Denver Intl Airport?

Prices for flights from California to Denver Intl Airport refresh daily.

How many operators does momondo search for flights from California to Denver Intl Airport?

As of December 2025, there are 8 operators available to choose from for flights from California to Denver Intl Airport.

How old do you have to be to fly from California to Denver Intl Airport?

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 California to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport 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 Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$39 Cheap Flights from California to Denver in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 am - 10:00 am

SAN

DEN

2h 35mnonstop

8:00 pm - 9:41 pm

DEN

SAN

2h 41mnonstop

$58Frontier

Fri, Feb 27 - Tue, Mar 3

7:11 am - 10:42 am

SAN

DEN

2h 31mnonstop

10:29 pm - 12:08 am

DEN

SAN

2h 39mnonstop

$59Frontier

Wed, Feb 18 - Thu, Feb 26

6:36 am - 10:14 am

SAN

DEN

2h 38mnonstop

10:36 pm - 12:15 am

DEN

SAN

2h 39mnonstop

$60Frontier

Thu, Jan 8 - Thu, Jan 15

6:25 am - 10:00 am

SAN

DEN

2h 35mnonstop

6:44 am - 8:24 am

DEN

SAN

2h 40mnonstop

$63Frontier

Mon, Feb 16 - Sun, Feb 22

7:40 am - 10:42 am

LAS

DEN

2h 02mnonstop

6:13 pm - 7:23 pm

DEN

LAS

2h 10mnonstop

$69Frontier

Wed, Jan 14 - Tue, Jan 20

10:34 am - 2:05 pm

SAN

DEN

2h 31mnonstop

6:00 am - 7:40 am

DEN

SAN

2h 40mnonstop

$69Frontier

Sat, Feb 7 - Fri, Feb 13

11:47 am - 3:23 pm

SAN

DEN

2h 36mnonstop

12:34 pm - 2:13 pm

DEN

SAN

2h 39mnonstop

$79Multiple Airlines

Thu, Jan 8 - Sun, Jan 11

6:02 am - 11:38 am

FAT

DEN

4h 36m1 stop

1:10 pm - 10:36 pm

DEN

FAT

10h 26m1 stop

$183Alaska Airlines

Sat, Feb 21 - Sat, Feb 21

7:06 pm - 11:38 am

FAT

DEN

15h 32m1 stop

6:45 pm - 10:36 pm

DEN

FAT

4h 51m1 stop

$202Alaska Airlines

Sun, Mar 1 - Wed, Mar 4

7:52 pm - 6:41 pm

FAT

DEN

21h 49m1 stop

7:39 pm - 9:51 am

DEN

FAT

15h 12m1 stop

$212Alaska Airlines

Thu, Feb 5 - Sun, Feb 8

Frontier flights from California to Denver

Our best Frontier deals on California to Denver flight tickets

Frontier

Feb 27

SAN6:25 amSan Diego

2h 35m

DEN10:00 amDenver Intl

Mar 3

DEN8:00 pmDenver Intl

2h 41m

SAN9:41 pmSan Diego

$58

Find similar

Frontier

Feb 18

SAN7:11 amSan Diego

2h 31m

DEN10:42 amDenver Intl

Feb 26

DEN10:29 pmDenver Intl

2h 39m

SAN12:08 amSan Diego

$59

Find similar

Frontier

Jan 8

SAN6:36 amSan Diego

2h 38m

DEN10:14 amDenver Intl

Jan 15

DEN10:36 pmDenver Intl

2h 39m

SAN12:15 amSan Diego

$60

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United Airlines flights from California to Denver

Our best United Airlines deals on California to Denver flight tickets

United Airlines

Jan 8

SAN11:10 amSan Diego

2h 31m

DEN2:41 pmDenver Intl

Jan 11

DEN9:05 pmDenver Intl

2h 32m

SAN10:37 pmSan Diego

$117

Find similar

United Airlines

Dec 31

LAX7:25 pmLos Angeles

2h 27m

DEN10:52 pmDenver Intl

Jan 1

DEN6:00 amDenver Intl

2h 40m

LAX7:40 amLos Angeles

$157

Find similar

United Airlines

Jan 17

BUR9:00 amBurbank Bob Hope

2h 26m

DEN12:26 pmDenver Intl

Jan 21

DEN11:15 amDenver Intl

2h 41m

BUR12:56 pmBurbank Bob Hope

$262

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Fly from

Fly to

Route

Depart

Return

Price

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Fri 2/27

6:25 am-10:00 am

Nonstop2h 35m

Denver Intl

Tue 3/3

8:00 pm-9:41 pm

Nonstop2h 41m

$58

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Wed 2/18

7:11 am-10:42 am

Nonstop2h 31m

Denver Intl

Thu 2/26

10:29 pm-12:08 am

Nonstop2h 39m

$59

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/8

6:36 am-10:14 am

Nonstop2h 38m

Denver Intl

Thu 1/15

10:36 pm-12:15 am

Nonstop2h 39m

$60

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Mon 2/16

6:25 am-10:00 am

Nonstop2h 35m

Denver Intl

Sun 2/22

6:44 am-8:24 am

Nonstop2h 40m

$63

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Wed 1/14

7:40 am-10:42 am

Nonstop2h 02m

Denver Intl

Tue 1/20

6:13 pm-7:23 pm

Nonstop2h 10m

$69

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Sat 2/7

10:34 am-2:05 pm

Nonstop2h 31m

Denver Intl

Fri 2/13

6:00 am-7:40 am

Nonstop2h 40m

$69

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/8

11:47 am-3:23 pm

Nonstop2h 36m

Denver Intl

Sun 1/11

12:34 pm-2:13 pm

Nonstop2h 39m

$79

FresnoDenver

FAT - DEN

FATDEN

Fresno Airterminal

Sat 2/21

6:02 am-11:38 am

1 stop4h 36m

Denver Intl

Sat 2/21

1:10 pm-10:36 pm

1 stop10h 26m

$183

FresnoDenver

FAT - DEN

FATDEN

Fresno Airterminal

Sun 3/1

7:06 pm-11:38 am

1 stop15h 32m

Denver Intl

Wed 3/4

6:45 pm-10:36 pm

1 stop4h 51m

$202

FresnoDenver

FAT - DEN

FATDEN

Fresno Airterminal

Thu 2/5

7:52 pm-6:41 pm

1 stop21h 49m

Denver Intl

Sun 2/8

7:39 pm-9:51 am

1 stop15h 12m

$212

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How to get the cheapest flight ticket from California to Denver

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 Denver?

The cheapest month to fly to Denver from California is in January. Flight prices, which tend to average around $139, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until September to fly from California, when ticket prices are also cheap, with an average price of $169.

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $256. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $316.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $242. Flights in the afternoon are often more expensive with an average ticket price of $286.

What is the cheapest California to Denver Intl flight route?

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

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

You are more likely to see cheaper flights to Denver from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $192 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from California for as low as $148 on momondo.

What cabin class options are available on California to Denver Intl flights?

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

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

Cheap California to Denver flight deals and tips

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

Best Price Found	$106
Fastest flight time	1h 50m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from California in the past 72 hours is $106. The best round-trip flight deal from California to Denver found on momondo in the last 72 hours is $127.

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

Direct flights go from California to Denver every day.

There is 1 airport in Denver. From California there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from California to Denver Intl Airport?
Prices for flights from California to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from California to Denver Intl Airport?
As of December 2025, there are 8 operators available to choose from for flights from California to Denver Intl Airport.
How old do you have to be to fly from California to Denver Intl Airport?
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 California to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport 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 Denver Intl Airport. 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 California to Denver?
momondo data reveals that the most frequently booked plane model on the route from California to Denver is Airbus A321neo, representing 14.64% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 13.77%, Airbus A320neo at 9.02%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.61%.

Best airlines flying from California to Denver

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.8 3,081 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $68	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Allegiant Air	PriceFrom $88	Free Cancellation	Rating 7.2 700 reviews	Search Allegiant Air flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Alaska Airlines	PriceFrom $102	Free Cancellation	Rating 8.0 11,479 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $117	Free Cancellation	Rating 7.9 4,251 reviews	Search Southwest flights
United Airlines	PriceFrom $135	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
American Airlines	PriceFrom $148	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from California.

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

Yes. momondo enables you to select and highlight flights to Denver from California with this policy.

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

momondo provides multiple filters to help you find the best flight to Denver from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from California to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.

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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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Cheap flights from California to Denver from $39

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 Denver departing on 12/31. 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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Frontier flights from California to Denver

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How to get the cheapest flight ticket from California to Denver

What is the cheapest month to fly to Denver?

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $256. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $316.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $242. Flights in the afternoon are often more expensive with an average ticket price of $286.

What is the cheapest California to Denver Intl flight route?

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

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

What cabin class options are available on California to Denver Intl flights?

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

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

What is the cheapest airline that flies from California to Denver Intl?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from California to Denver Intl

What airlines fly to Denver?

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

The number of flights available between California and Denver is 105 per day as of December 2025. The most frequent departure time is 4:00PM, with 45% of daily flights leaving in the afternoon.

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

As of December 2025, 736 flights take off from California and land in Denver each week. The most common flight departure day for this route is Wed, with 39% of weekly flights taking off on this day.

How long does it take to fly to Denver?

Cheap California to Denver flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

When did momondo last update prices for flights from California to Denver Intl Airport?

How many operators does momondo search for flights from California to Denver Intl Airport?

How old do you have to be to fly from California to Denver Intl Airport?

What documentation or ID do you need to fly to Denver Intl Airport?

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

Best airlines flying from California to Denver

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

Traveling to a place near Denver?

Why use momondo?

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

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

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

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

An easier way to manage your Denver 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 the United States

Airports servicing Colorado