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$45+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$95
(Cheapflightsfares)

One-way from

$45
(eDestinos)

Popular in

March

Cheapest in

January

Average price

$218

Good round-trip deal

$112 or less

Good one-way deal

$103 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. 3% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/246:00 amSFO - DEN
Nonstop2h 39mFrontier
Thu 4/241:24 pmDEN - SFO
Nonstop2h 56mFrontier
Deal found 3/27$95
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/183:15 pmONT - DEN
Nonstop2h 15mSouthwest
Sat 4/197:40 amDEN - ONT
Nonstop2h 20mSouthwest
Deal found 3/27$97
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 4/2412:59 amLAS - DEN
Nonstop1h 57mFrontier
Sun 4/279:59 amDEN - LAS
Nonstop2h 06mFrontier
Deal found 3/28$98
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Wed 4/306:15 amLAX - DEN
Nonstop2h 31mFrontier
Sat 5/38:15 amDEN - LAX
Nonstop2h 37mFrontier
Deal found 3/27$98
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Wed 4/2312:10 pmONT - DEN
Nonstop2h 22mFrontier
Wed 4/3010:00 amDEN - ONT
Nonstop2h 20mFrontier
Deal found 3/27$98
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 5/112:06 pmBUR - DEN
Nonstop2h 26mFrontier
Sun 5/49:40 amDEN - BUR
Nonstop2h 36mFrontier
Deal found 3/28$98
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 4/2412:34 pmSJC - DEN
Nonstop2h 36mFrontier
Sun 4/279:55 amDEN - SJC
Nonstop2h 39mFrontier
Deal found 3/28$100
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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.
Fri 5/212:19 pmSNA - DEN
Nonstop2h 26mFrontier
Mon 5/510:29 amDEN - SNA
Nonstop2h 32mFrontier
Deal found 3/28$115
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Sat 5/106:25 amSAN - DEN
Nonstop2h 31mFrontier
Tue 5/1310:52 amDEN - SAN
Nonstop2h 31mFrontier
Deal found 3/27$116
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/175:25 amSFO - DEN
Nonstop2h 30mSouthwest
Sun 4/208:15 amDEN - SFO
Nonstop2h 40mSouthwest
Deal found 3/27$141
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Sat 5/34:49 pmSFO - DEN
1 stop6h 10mMultiple Airlines
Tue 5/612:49 pmDEN - SFO
Nonstop2h 55mMultiple Airlines
Deal found 3/27$146
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:50 amLAS - DEN
Nonstop1h 50mSouthwest
Sun 4/276:05 amDEN - LAS
1 stop4h 25mSouthwest
Deal found 3/26$147

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 March 28, 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

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 4/24

6:00 am-9:39 am

Nonstop2h 39m

Denver Intl

Thu 4/24

1:24 pm-3:20 pm

Nonstop2h 56m

$95

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Fri 4/18

3:15 pm-6:30 pm

Nonstop2h 15m

Denver Intl

Sat 4/19

7:40 am-9:00 am

Nonstop2h 20m

$97

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 4/24

12:59 am-3:56 am

Nonstop1h 57m

Denver Intl

Sun 4/27

9:59 am-11:05 am

Nonstop2h 06m

$98

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 4/30

6:15 am-9:46 am

Nonstop2h 31m

Denver Intl

Sat 5/3

8:15 am-9:52 am

Nonstop2h 37m

$98

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Wed 4/23

12:10 pm-3:32 pm

Nonstop2h 22m

Denver Intl

Wed 4/30

10:00 am-11:20 am

Nonstop2h 20m

$98

BurbankDenver

BUR - DEN

BURDEN

Burbank Bob Hope

Thu 5/1

12:06 pm-3:32 pm

Nonstop2h 26m

Denver Intl

Sun 5/4

9:40 am-11:16 am

Nonstop2h 36m

$98

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Thu 4/24

12:34 pm-4:10 pm

Nonstop2h 36m

Denver Intl

Sun 4/27

9:55 am-11:34 am

Nonstop2h 39m

$100

Santa AnaDenver

SNA - DEN

SNADEN

Santa Ana J. Wayne/Orange Cnty

Fri 5/2

12:19 pm-3:45 pm

Nonstop2h 26m

Denver Intl

Mon 5/5

10:29 am-12:01 pm

Nonstop2h 32m

$115

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Sat 5/10

6:25 am-9:56 am

Nonstop2h 31m

Denver Intl

Tue 5/13

10:52 am-12:23 pm

Nonstop2h 31m

$116

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Sat 4/26

8:30 am-12:00 pm

Nonstop2h 30m

Denver Intl

Sun 4/27

7:05 am-8:38 am

Nonstop2h 33m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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, October is the cheapest month in which you can book a flight from California to Denver (average of $197). Flying from California to Denver in March is currently the most expensive (average of $278). 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 March 28, 2025.

When flying from California to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 March 28, 2025.

The most flights from USCA to DEN are scheduled on a Thursday (87 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated March 28, 2025.
Read through reviews of airlines operating flights from California to Denver, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 378 times in the past calendar month.

  • 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 ($45), United Airlines ($49), and Southwest ($71).

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

    While some choose either San Francisco - Denver Intl or Ontario - 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 Air China (99%), Singapore Airlines (94%) or Avianca (94%) 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 $664, our data indicates the cheapest price to be $58. The most popular route (Los Angeles - Denver Intl), is priced around $96.

  • 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, October is the cheapest month in which you can book a flight from California to Denver (average of $197). Flying from California to Denver in March is currently the most expensive (average of $278). 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 California?

Book flights to California if you plan to visit one of these locations
Westminster
Lakewood
Black Hawk
Winter Park
Broomfield
Cripple Creek
Silverthorne
Golden
Brighton
Greeley
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Central City
Copper Mountain
Longmont
Thornton
Limon
Dillon

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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 6 airlines flying from California to Denver

Discover the top 6 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$133FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$294FlexibilityNo cancel feeOn-time63%
DeltaCheapest$111Average$297FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$116Average$347FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$140Average$321FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$143Average$327FlexibilityNo cancel feeOn-time71%
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