HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$53+ Cheap flights from Colorado to California

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to California with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to California

Keep the following information in mind while searching for Colorado to California flight deals. Data was last updated June 30, 2025.

Round-trip from

$100
(Frontier)

One-way from

$53
(Priceline)

Popular in

June

Cheapest in

September

Average price

$228

Good round-trip deal

$36 or less

Good one-way deal

$50 or less
From Colorado to California
Search Deals
One-way flight from Colorado to California
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Colorado to California.
Search Deals
Price to beat on a one-way flight from Colorado to California.
Search Deals

Find flight deals from Colorado to California

Cheapest flights from Colorado to California
Explore the most affordable flight options available from Colorado to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:47 pmDEN - LAS
Nonstop2h 04mFrontier
Tue 9/912:59 amLAS - DEN
Nonstop2h 01mFrontier
Deal found 6/28$100
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1110:29 pmDEN - ONT
1 stop18h 51mFrontier
Mon 7/149:41 pmONT - DEN
1 stop11h 36mFrontier
Deal found 6/29$115
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:46 amDEN - SJC
Nonstop2h 40mFrontier
Mon 9/112:01 pmSJC - DEN
Nonstop2h 46mFrontier
Deal found 6/29$120
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:43 amDEN - RNO
Nonstop2h 21mFrontier
Sun 9/711:59 amRNO - DEN
Nonstop2h 20mFrontier
Deal found 6/28$123
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:00 amDEN - SAN
1 stop4h 24mFrontier
Thu 8/147:04 pmSAN - DEN
1 stop7h 56mFrontier
Deal found 6/30$124
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/239:43 amDEN - SNA
Nonstop2h 28mFrontier
Tue 7/2911:56 amSNA - DEN
Nonstop2h 32mFrontier
Deal found 6/29$130
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/181:33 pmDEN - LAX
1 stop7h 19mFrontier
Mon 7/217:45 pmLAX - DEN
1 stop7h 15mFrontier
Deal found 6/30$132
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:29 pmDEN - SFO
Nonstop2h 50mFrontier
Thu 8/286:26 amSFO - DEN
Nonstop2h 40mFrontier
Deal found 6/28$139
This Southwest deal was found by Cheapflights users on 6/30. 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.
Sat 8/162:50 pmDEN - SFO
Nonstop2h 35mSouthwest
Mon 8/185:30 amSFO - DEN
Nonstop2h 25mSouthwest
Deal found 6/30$157
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:04 pmDEN - SAN
Nonstop2h 23mHawaiian Airlines
Mon 12/153:15 pmSAN - DEN
Nonstop2h 18mHawaiian Airlines
Deal found 6/30$157
This Southwest deal was found by Cheapflights users on 6/29. 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 8/2110:05 amDEN - LAX
Nonstop2h 30mSouthwest
Mon 8/253:15 pmLAX - DEN
Nonstop2h 25mSouthwest
Deal found 6/29$157
This CheapOair deal was found by Cheapflights users on 6/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/310:15 amDEN - BUR
Nonstop2h 33mFrontier
Sun 7/612:33 pmBUR - DEN
Nonstop2h 29mFrontier
Deal found 6/27$158

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to California 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 June 30, 2025.
Use the filters below to find and compare flights from Colorado to California that are best for you.

Fly from

Colorado

Fly to

California

Route

Depart

Return

Price

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sat 9/6

7:47 pm-8:51 pm

Nonstop2h 04m

Las Vegas Harry Reid Intl

Tue 9/9

12:59 am-4:00 am

Nonstop2h 01m

$100

DenverOntario

DEN - ONT

DENONT

Denver Intl

Fri 7/11

10:29 pm-4:20 pm

1 stop18h 51m

Ontario

Mon 7/14

9:41 pm-10:17 am

1 stop11h 36m

$115

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Thu 8/28

9:46 am-11:26 am

Nonstop2h 40m

San Jose

Mon 9/1

12:01 pm-3:47 pm

Nonstop2h 46m

$120

DenverReno

DEN - RNO

DENRNO

Denver Intl

Fri 9/5

9:43 am-11:04 am

Nonstop2h 21m

Reno

Sun 9/7

11:59 am-3:19 pm

Nonstop2h 20m

$123

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Sun 8/10

7:00 am-10:24 am

1 stop4h 24m

San Diego

Thu 8/14

7:04 pm-4:00 am

1 stop7h 56m

$124

DenverSanta Ana

DEN - SNA

DENSNA

Denver Intl

Wed 7/23

9:43 am-11:11 am

Nonstop2h 28m

Santa Ana J. Wayne/Orange Cnty

Tue 7/29

11:56 am-3:28 pm

Nonstop2h 32m

$130

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Fri 7/18

1:33 pm-7:52 pm

1 stop7h 19m

Los Angeles

Mon 7/21

7:45 pm-4:00 am

1 stop7h 15m

$132

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sun 8/17

10:29 pm-12:19 am

Nonstop2h 50m

San Francisco

Thu 8/28

6:26 am-10:06 am

Nonstop2h 40m

$139

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 8/16

7:55 pm-9:35 pm

Nonstop2h 40m

San Francisco

Mon 8/18

5:30 am-8:55 am

Nonstop2h 25m

$157

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 8/21

12:32 pm-1:58 pm

Nonstop2h 26m

Los Angeles

Mon 8/25

8:25 pm-11:49 pm

Nonstop2h 24m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 58 results
1
2
3
...
6

Best time to book a flight from Colorado to California

Have a flexible travel schedule? Discover the best time to fly to California from Colorado 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 Colorado to California

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

Currently, January is the cheapest month in which you can book a flight from Colorado to California (average of $246). Flying from Colorado to California in March is currently the most expensive (average of $326). 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 CO to CA?

Find hourly flight availability from Colorado to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to California as you normally would.

Weekly flight availability from Colorado to California

Explore weekly flight availability from Colorado to California. 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 June 30, 2025.

The most flights from USCO to USCA are scheduled on a Monday (102 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (76 on average).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated June 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Colorado to California to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,529 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • How popular is this Colorado to California flight route?

    Within the past month, 407 users have taken a look at flights from Colorado to California.

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

    The cheapest airlines for a one-way flight from Colorado to California are Frontier ($53), United Airlines ($69), and Southwest ($79).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to California 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 Colorado to California?

    Currently, January is the cheapest month in which you can book a flight from Colorado to California (average of $246). Flying from Colorado to California in March is currently the most expensive (average of $326). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to California

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Seattle flights
Los Angeles to John F Kennedy Intl flights
Los Angeles to Seattle flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
Los Angeles to Newark flights
John F Kennedy Intl to Atlanta flights
Atlanta to John F Kennedy Intl flights
LaGuardia to Dallas/Fort Worth flights
Newark to Fort Lauderdale flights
San Francisco to John F Kennedy Intl flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Seattle flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Miami flights
Los Angeles to Honolulu flights
Newark to Miami flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Dallas/Fort Worth flights
Atlanta to LaGuardia flights
Newark to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
LaGuardia to Atlanta flights
Newark to Atlanta flights
San Francisco to Las Vegas flights
Newark to Seattle flights
LaGuardia to Fort Lauderdale flights
Dallas/Fort Worth to Denver flights
Ontario to Seattle flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to Los Angeles flights
LaGuardia to Orlando flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Miami flights
O'Hare Intl to LaGuardia flights
Los Angeles to San Francisco flights
Los Angeles to O'Hare Intl flights
Atlanta to Newark flights
O'Hare Intl to Newark flights
Dallas/Fort Worth to Orlando flights
Newark to Orlando flights
John F Kennedy Intl to Dallas/Fort Worth flights

Top 9 airlines flying from Colorado to California

Discover the top 9 airlines that operate flights from Colorado to California. 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$150FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$51Average$98FlexibilityNo cancel feeOn-time88%
Breeze AirwaysCheapest$95Average$148FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$104Average$317FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$118Average$342FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$139Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$140Average$416FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$164Average$197FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$175Average$356FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.