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

As of September 2025, 1,736 flights take off from California and land in Denver each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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 53% 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.

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

The number of flights available between California and Denver is 248 per day as of September 2025. The most frequent departure time is 2:00PM, with 40% of daily flights leaving in the afternoon.

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

Frontier, Hawaiian Airlines, and Southwest are the most popular carriers operating from California to Denver Intl

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 Los Angeles 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.

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 September 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.

$40 Cheap Flights from California to Denver in 2025/26

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:59 am - 3:58 amLAS-DEN

1h 59mnonstop

7:00 am - 8:05 amDEN-LAS

2h 05mnonstop

$66Frontier

Find Deal

qua, dez 10 - seg, dez 15

8:48 pm - 11:53 pmLAS-DEN

2h 05mnonstop

6:25 am - 7:29 amDEN-LAS

2h 04mnonstop

$67Frontier

Find Deal

qui, nov 6 - dom, nov 9

8:15 pm - 11:50 pmSAN-DEN

2h 35mnonstop

9:40 pm - 11:05 pmDEN-SAN

2h 25mnonstop

$91Southwest

Find Deal

ter, out 7 - qui, out 16

10:32 am - 2:00 pmSAN-DEN

2h 28mnonstop

10:29 pm - 11:50 pmDEN-SAN

2h 21mnonstop

$98Multiple Airlines

Find Deal

ter, out 14 - ter, out 21

10:21 am - 7:06 pmLAS-DEN

7h 45m1 stop

2:37 pm - 3:46 pmDEN-LAS

2h 09mnonstop

$100Multiple Airlines

Find Deal

sáb, nov 15 - qua, nov 19

4:35 pm - 10:20 pmSAN-DEN

4h 45m1 stop

9:40 pm - 11:05 pmDEN-SAN

2h 25mnonstop

$101Southwest

Find Deal

qui, out 16 - seg, out 20

6:53 am - 10:21 amSAN-DEN

2h 28mnonstop

7:47 am - 9:12 amDEN-SAN

2h 25mnonstop

$103United Airlines

Find Deal

qui, out 16 - dom, out 19

6:00 pm - 12:29 amSAN-DEN

5h 29m1 stop

7:45 am - 9:14 amDEN-SAN

2h 29mnonstop

$120United Airlines

Find Deal

sex, out 24 - sex, out 31

3:51 pm - 7:16 pmSAN-DEN

2h 25mnonstop

6:00 am - 7:34 amDEN-SAN

2h 34mnonstop

$137Alaska Airlines

Find Deal

sex, nov 21 - dom, nov 23

1:30 pm - 7:10 pmSJC-DEN

4h 40m1 stop

3:00 pm - 9:57 amDEN-SJC

19h 57m1 stop

$177Alaska Airlines

Find Deal

ter, out 7 - ter, out 21

Southwest flights from California to Denver

Our best Southwest deals on California to Denver flight tickets

Southwest

Oct 7

SAN8:15 pmSan Diego

2h 35m

DEN11:50 pmDenver Intl

Oct 16

DEN9:40 pmDenver Intl

2h 25m

SAN11:05 pmSan Diego

$91

Find similar

Southwest

Oct 16

SAN4:35 pmSan Diego

4h 45m

1 stop

DEN10:20 pmDenver Intl

Oct 20

DEN9:40 pmDenver Intl

2h 25m

SAN11:05 pmSan Diego

$101

Find similar

Southwest

Oct 7

SAN6:25 amSan Diego

4h 50m

1 stop

DEN12:15 pmDenver Intl

Oct 15

DEN8:10 amDenver Intl

4h 45m

1 stop

SAN11:55 amSan Diego

$110

Find similar

Frontier flights from California to Denver

Our best Frontier deals on California to Denver flight tickets

Frontier

Dec 10

LAS12:59 amLas Vegas Harry Reid Intl

1h 59m

DEN3:58 amDenver Intl

Dec 15

DEN7:00 amDenver Intl

2h 05m

LAS8:05 amLas Vegas Harry Reid Intl

$66

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Frontier

Nov 6

LAS8:48 pmLas Vegas Harry Reid Intl

2h 05m

DEN11:53 pmDenver Intl

Nov 9

DEN6:25 amDenver Intl

2h 04m

LAS7:29 amLas Vegas Harry Reid Intl

$67

Find similar

Frontier

Oct 14

ONT7:04 amOntario

2h 27m

DEN10:31 amDenver Intl

Oct 18

DEN10:29 pmDenver Intl

2h 21m

ONT11:50 pmOntario

$68

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qua 12/10

12:59 am-3:58 am

Nonstop1h 59m

Denver Intl

seg 12/15

7:00 am-8:05 am

Nonstop2h 05m

$66

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qui 11/6

8:48 pm-11:53 pm

Nonstop2h 05m

Denver Intl

dom 11/9

6:25 am-7:29 am

Nonstop2h 04m

$67

San DiegoDenver

SAN - DEN

SANDEN

San Diego

ter 10/7

8:15 pm-11:50 pm

Nonstop2h 35m

Denver Intl

qui 10/16

9:40 pm-11:05 pm

Nonstop2h 25m

$91

San DiegoDenver

SAN - DEN

SANDEN

San Diego

ter 10/14

10:32 am-2:00 pm

Nonstop2h 28m

Denver Intl

ter 10/21

10:29 pm-11:50 pm

Nonstop2h 21m

$98

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

sáb 11/15

10:21 am-7:06 pm

1 stop7h 45m

Denver Intl

qua 11/19

2:37 pm-3:46 pm

Nonstop2h 09m

$100

San DiegoDenver

SAN - DEN

SANDEN

San Diego

qui 10/16

4:35 pm-10:20 pm

1 stop4h 45m

Denver Intl

seg 10/20

9:40 pm-11:05 pm

Nonstop2h 25m

$101

San DiegoDenver

SAN - DEN

SANDEN

San Diego

qui 10/16

6:53 am-10:21 am

Nonstop2h 28m

Denver Intl

dom 10/19

7:47 am-9:12 am

Nonstop2h 25m

$103

San DiegoDenver

SAN - DEN

SANDEN

San Diego

sex 10/24

6:00 pm-12:29 am

1 stop5h 29m

Denver Intl

sex 10/31

7:45 am-9:14 am

Nonstop2h 29m

$120

San DiegoDenver

SAN - DEN

SANDEN

San Diego

sex 11/21

3:51 pm-7:16 pm

Nonstop2h 25m

Denver Intl

dom 11/23

6:00 am-7:34 am

Nonstop2h 34m

$137

San JoseDenver

SJC - DEN

SJCDEN

San Jose

ter 10/7

1:30 pm-7:10 pm

1 stop4h 40m

Denver Intl

ter 10/21

3:00 pm-9:57 am

1 stop19h 57m

$177

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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 $141, 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 October to fly from California, when ticket prices are also cheap, with an average price of $167.

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 Saturday when prices can be found for as low as $252. 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 $312.

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 $239. Flights in the morning are often more expensive with an average ticket price of $274.

What is the cheapest California to Denver Intl flight route?

Fly from San Diego 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 $190 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 $150 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	$75
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 $75. 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 near Denver: 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 September 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 Boeing 737 MAX 8, representing 13.05% of all bookings. The subsequent popular models are Airbus A321neo at 13.03%, Airbus A320neo at 10.63%, and Boeing 737-800 at 8.73%.

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 3,173 reviews	Search Frontier flights
Allegiant Air	PriceFrom $88	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,729 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $117	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $121	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $136	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $148	Free Cancellation	Rating 7.2 10,000 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 $40

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 10/23. 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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Southwest flights from California to Denver

Our best Southwest deals on California to Denver flight tickets

Frontier flights from California to Denver

Our best Frontier deals on California to Denver flight tickets

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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

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 Saturday when prices can be found for as low as $252. 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 $312.

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 $239. Flights in the morning are often more expensive with an average ticket price of $274.

What is the cheapest California to Denver Intl flight route?

Fly from San Diego 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, Hawaiian Airlines, and Southwest 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 248 per day as of September 2025. The most frequent departure time is 2:00PM, with 40% of daily flights leaving in the afternoon.

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

As of September 2025, 1,736 flights take off from California and land in Denver each week. The most common flight departure day for this route is Mon, with 18% 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

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