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$50+ Cheap flights from California to Colorado

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from California to Colorado

Keep the following information in mind while searching for California to Colorado flight deals. Data was last updated July 31, 2025.

Round-trip from

$76
(Cheapflightsfares)

One-way from

$50
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$217

Good round-trip deal

$88 or less

Good one-way deal

$46 or less
From California to Colorado
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One-way flight from California to Colorado
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Highest demand for flights based on searches. 11% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from California to Colorado.
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Price to beat on a one-way flight from California to Colorado.
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Find flight deals from California to Colorado

Cheapest flights from California to Colorado
Explore the most affordable flight options available from California to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:59 amONT - DEN
Nonstop2h 21mFrontier
Sun 10/128:31 amDEN - ONT
Nonstop2h 20mFrontier
Deal found 7/29$76
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:59 amLAS - DEN
Nonstop2h 00mFrontier
Sat 10/1810:29 pmDEN - LAS
Nonstop2h 03mFrontier
Deal found 7/30$101
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:46 pmLAX - DEN
Nonstop2h 35mFrontier
Wed 11/1210:55 pmDEN - LAX
Nonstop2h 30mFrontier
Deal found 7/30$106
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:21 amSAN - DEN
Nonstop2h 41mFrontier
Mon 8/1810:29 pmDEN - SAN
Nonstop2h 23mFrontier
Deal found 7/29$117
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 9/512:06 pmSMF - DEN
Nonstop2h 39mFrontier
Sun 9/79:46 amDEN - SMF
Nonstop2h 35mFrontier
Deal found 7/28$121
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:08 pmBUR - DEN
Nonstop2h 31mFrontier
Sun 11/99:48 amDEN - BUR
Nonstop2h 30mFrontier
Deal found 7/29$127
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:56 amSNA - DEN
Nonstop2h 32mFrontier
Sat 9/610:40 amDEN - SNA
Nonstop2h 33mFrontier
Deal found 7/29$130
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/308:18 amLAS - DEN
Nonstop2h 06mMultiple Airlines
Sun 8/3111:40 amDEN - LAS
1 stop6h 30mMultiple Airlines
Deal found 7/29$133
This Southwest deal was found by Cheapflights users on 7/31. 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.
Tue 9/98:50 amSAN - DEN
Nonstop2h 25mSouthwest
Tue 9/237:00 pmDEN - SAN
Nonstop2h 25mSouthwest
Deal found 7/31$137
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:04 amLAX - DEN
Nonstop2h 24mDelta
Wed 10/17:21 pmDEN - LAX
Nonstop2h 32mDelta
Deal found 7/31$139
This Southwest deal was found by Cheapflights users on 7/31. 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 8/3010:45 amLAS - DEN
Nonstop2h 00mSouthwest
Thu 9/49:35 pmDEN - LAS
Nonstop1h 55mSouthwest
Deal found 7/31$147
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Mon 8/186:37 amSFO - DEN
Nonstop2h 40mFrontier
Thu 8/219:45 amDEN - SFO
Nonstop2h 44mFrontier
Deal found 7/31$147

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Colorado 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 July 31, 2025.
Use the filters below to find and compare flights from California to Colorado that are best for you.

Fly from

California

Fly to

Colorado

Route

Depart

Return

Price

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Wed 10/8

12:59 am-4:20 am

Nonstop2h 21m

Denver Intl

Sun 10/12

8:31 am-9:51 am

Nonstop2h 20m

$76

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Tue 10/7

12:59 am-3:59 am

Nonstop2h 00m

Denver Intl

Sat 10/18

10:29 pm-11:32 pm

Nonstop2h 03m

$101

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 8/26

6:45 am-10:21 am

Nonstop2h 36m

Denver Intl

Thu 8/28

10:55 pm-12:27 am

Nonstop2h 32m

$106

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Fri 8/15

11:21 am-3:02 pm

Nonstop2h 41m

Denver Intl

Mon 8/18

10:29 pm-11:52 pm

Nonstop2h 23m

$117

SacramentoDenver

SMF - DEN

SMFDEN

Sacramento Intl

Fri 9/5

12:06 pm-3:45 pm

Nonstop2h 39m

Denver Intl

Sun 9/7

9:46 am-11:21 am

Nonstop2h 35m

$121

BurbankDenver

BUR - DEN

BURDEN

Burbank Bob Hope

Thu 11/6

12:08 pm-3:39 pm

Nonstop2h 31m

Denver Intl

Sun 11/9

9:48 am-11:18 am

Nonstop2h 30m

$127

Santa AnaDenver

SNA - DEN

SNADEN

Santa Ana J. Wayne/Orange Cnty

Sat 8/16

11:56 am-3:28 pm

Nonstop2h 32m

Denver Intl

Sat 9/6

10:40 am-12:13 pm

Nonstop2h 33m

$130

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sat 8/30

8:18 am-11:24 am

Nonstop2h 06m

Denver Intl

Sun 8/31

11:40 am-5:10 pm

1 stop6h 30m

$133

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Tue 9/9

8:50 am-12:15 pm

Nonstop2h 25m

Denver Intl

Tue 9/23

7:00 pm-8:25 pm

Nonstop2h 25m

$137

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 10/1

8:04 am-11:28 am

Nonstop2h 24m

Denver Intl

Wed 10/1

7:21 pm-8:53 pm

Nonstop2h 32m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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

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

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

Currently, October is the cheapest month in which you can book a flight from California to Colorado (average of $197). Flying from California to Colorado 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 CO?

Find hourly flight availability from California to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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

Weekly flight availability from California to Colorado

Explore weekly flight availability from California to Colorado. 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 July 31, 2025.

The most flights from USCA to USCO are scheduled on a Thursday (97 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (56 on average).

How much does it cost to fly round-trip from California to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from California to Colorado 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

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from California to Colorado. 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 California to Colorado flight route?

    The California to Colorado flight path was viewed by 387 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $50. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from California to Colorado for a low price.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from California to Colorado (average of $197). Flying from California to Colorado 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from California to Colorado

Discover the top 9 airlines that operate flights from California to Colorado. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$144FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$71Average$130FlexibilityNo cancel feeOn-time88%
Breeze AirwaysCheapest$98Average$175FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$98Average$232FlexibilityNo cancel feeOn-time85%
DeltaCheapest$108Average$318FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$116Average$418FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$119Average$372FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$130Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$141Average$386FlexibilityNo cancel feeOn-time71%

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