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$29+ Cheap flights from California to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from California to Denver

Keep the following information in mind while searching for California to Denver flight deals. Data was last updated November 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$70
(Kiwi.com)

One-way from

$29
(Priceline)

Popular in

June

Cheapest in

January

Average price

$204

Good round-trip deal

$127 or less

Good one-way deal

$101 or less
Provider with most accurate pricing for Los Angeles-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Denver Intl flights.
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From California to Denver Intl
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One-way flight from California to Denver Intl
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Highest demand for flights based on searches. 9% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from California to Denver Intl.
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Price to beat on a one-way flight from California to Denver Intl.
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Find flight deals from California to Denver

Cheapest flights from California to Denver
Explore the most affordable flight options available from California to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:47 pmSAN - DEN
Nonstop2h 33mFrontier
Sun 1/410:29 pmDEN - SAN
Nonstop2h 30mFrontier
Deal found 11/1$71
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:25 amSAN - DEN
Nonstop2h 38mFrontier
Tue 12/305:43 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 11/1$72
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:34 amSAN - DEN
Nonstop2h 38mFrontier
Tue 12/305:43 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 11/2$74
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:59 amLAS - DEN
Nonstop1h 59mFrontier
Wed 12/3110:37 pmDEN - LAS
Nonstop2h 05mFrontier
Deal found 11/1$76
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:36 amSAN - DEN
Nonstop2h 38mFrontier
Thu 11/2710:29 pmDEN - SAN
Nonstop2h 30mFrontier
Deal found 11/3$76
This Cheapflightsfares deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:47 pmSAN - DEN
Nonstop2h 33mFrontier
Sun 12/285:43 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 11/3$78
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:59 amLAS - DEN
Nonstop2h 00mFrontier
Tue 12/96:30 amDEN - LAS
Nonstop2h 09mFrontier
Deal found 11/2$82
This Cheapflightsfares deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:30 pmSAN - DEN
1 stop4h 39mFrontier
Sun 12/75:43 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 11/1$82
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:59 amLAS - DEN
Nonstop2h 00mFrontier
Wed 12/106:30 amDEN - LAS
Nonstop2h 09mFrontier
Deal found 11/2$83
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:31 pmSAN - DEN
Nonstop2h 37mFrontier
Fri 11/286:20 amDEN - SAN
Nonstop2h 41mFrontier
Deal found 11/2$83
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:34 amLAX - DEN
Nonstop2h 32mFrontier
Wed 12/3110:51 pmDEN - LAX
Nonstop2h 39mFrontier
Deal found 11/1$83
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:13 pmLAS - DEN
1 stop21h 27mFrontier
Sun 12/710:37 pmDEN - LAS
Nonstop2h 05mFrontier
Deal found 11/2$84

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from California to Denver that are best for you.

Fly from

California

Fly to

Denver

Route

Depart

Return

Price

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 12/11

6:30 am-6:08 pm

1 stop10h 38m

Denver Intl

Sun 12/14

7:33 am-8:38 am

Nonstop2h 05m

$84

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 12/4

12:59 am-3:58 am

Nonstop1h 59m

Denver Intl

Sun 12/7

10:37 pm-11:42 pm

Nonstop2h 05m

$86

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sun 11/30

12:59 am-3:58 am

Nonstop1h 59m

Denver Intl

Wed 12/3

6:30 am-7:39 am

Nonstop2h 09m

$89

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 12/11

10:43 am-9:59 pm

1 stop10h 16m

Denver Intl

Tue 12/16

10:29 pm-7:37 am

1 stop10h 08m

$110

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Tue 12/23

6:00 am-9:04 am

Nonstop2h 04m

Denver Intl

Thu 12/25

10:37 pm-11:42 pm

Nonstop2h 05m

$116

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Fri 2/6

6:30 am-10:01 am

Nonstop2h 31m

Denver Intl

Mon 2/9

7:45 am-9:20 am

Nonstop2h 35m

$117

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Tue 3/3

8:00 am-11:19 am

Nonstop2h 19m

Denver Intl

Wed 3/4

8:20 am-9:45 am

Nonstop2h 25m

$117

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Fri 2/27

3:15 pm-6:33 pm

Nonstop2h 18m

Denver Intl

Mon 3/2

7:04 pm-8:27 pm

Nonstop2h 23m

$117

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 2/19

8:00 am-11:19 am

Nonstop2h 19m

Denver Intl

Mon 2/23

7:04 pm-8:27 pm

Nonstop2h 23m

$117

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Fri 1/30

1:24 pm-4:43 pm

Nonstop2h 19m

Denver Intl

Mon 2/2

7:34 pm-8:58 pm

Nonstop2h 24m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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Best time to book a flight from California to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to Denver

What is the cheapest month to book a flight from California to Denver?

Currently, January is the cheapest month in which you can book a flight from California to Denver (average of $24). Flying from California to Denver in July is currently the most expensive (average of $65). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to DEN?

Find hourly flight availability from California to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

One of the essential ways to save on airfare from California to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

What is the cheapest day to fly from California to Denver?

Use this chart to determine the cheapest time to fly round-trip from California to Denver. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their California to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from California to Denver

Explore weekly flight availability from California to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from USCA to DEN are scheduled on a Sunday (97 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (41 on average).

Related info for your journey

Find useful and relevant information for your journey from California to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from California?

    Located just 18.5 mi from the city center, Denver Intl (DEN) is the airport most travelers will use when flying to Denver from California.

  • How popular is this California to Denver flight route?

    Flights from California to Denver Intl have been viewed 408 times in the past calendar month.

  • How long is the flight from California to Denver?

    Airlines like Frontier, Alaska Airlines, and Hawaiian Airlines fly from California to Denver in about 2h 19m. The time it takes to get you to your destination can typically vary by up to 8h 19m. The distance from California to Denver is about 852 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from California to Denver one-way?

    The cheapest airlines for a one-way flight from California to Denver are Frontier ($29), United Airlines ($59), and Delta ($59).

  • What are the most popular routes from California to Denver?

    While some choose either Ontario - Denver Intl or San Francisco - Denver Intl, Los Angeles - Denver Intl is the most popular route from California to Denver.

  • What are the most reliable airlines from California to Denver?

    No one likes to see their flight delayed. When booking a flight from California to Denver consider choosing SWISS (100%), SAUDIA (100%) or Air France (98%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from California to Denver?

    Looking for the cheapest flight from California to Denver? While on average our users pay $604, our data indicates the cheapest price to be $61. The most popular route (Los Angeles - Denver Intl), is priced around $54.

  • Can I find deals for flights from California to Denver that include hotel bookings?

    Yes. In addition to deals on California to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Denver.

  • Can I find deals for business class flights from California to Denver?

    Yes. Cheapflights offers flight deals from California to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to Denver?

    Currently, January is the cheapest month in which you can book a flight from California to Denver (average of $24). Flying from California to Denver in July is currently the most expensive (average of $65). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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Alternative routes for California to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from California to Denver

Discover the top 8 airlines that operate flights from California to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$166FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$68Average$192FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$88Average$128FlexibilityNo cancel feeOn-time88%
DeltaCheapest$98Average$264FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$101Average$185FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$118Average$296FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$133Average$321FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$155Average$326FlexibilityNo cancel feeOn-time71%

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