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Cheap flights from Colorado to California from $44

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to California departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Colorado to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:29 pm - 11:50 pm
DEN
-
SAN
2h 21mnonstop
Frontier Logo
6:25 am - 10:01 am
SAN
-
DEN
2h 36mnonstop
$82Frontier
Wed, May 20 - Sun, May 24
Frontier Logo
6:00 am - 7:26 am
DEN
-
ONT
2h 26mnonstop
Frontier Logo
6:00 am - 9:22 am
ONT
-
DEN
2h 22mnonstop
$86Frontier
Sun, May 3 - Tue, May 12
Frontier Logo
8:41 am - 10:05 am
DEN
-
ONT
2h 24mnonstop
Frontier Logo
6:00 am - 9:22 am
ONT
-
DEN
2h 22mnonstop
$87Frontier
Tue, May 12 - Sun, May 17
Frontier Logo
10:29 pm - 11:50 pm
DEN
-
SAN
2h 21mnonstop
Frontier Logo
6:25 am - 10:01 am
SAN
-
DEN
2h 36mnonstop
$88Frontier
Wed, May 13 - Wed, May 20
Frontier Logo
8:41 am - 10:05 am
DEN
-
ONT
2h 24mnonstop
Frontier Logo
10:50 am - 2:12 pm
ONT
-
DEN
2h 22mnonstop
$88Frontier
Tue, May 12 - Tue, May 19
Frontier Logo
10:29 pm - 11:50 pm
DEN
-
SAN
2h 21mnonstop
Frontier Logo
7:34 pm - 3:25 am
SAN
-
DEN
6h 51m
1 stop
$89Frontier
Wed, May 13 - Wed, May 20
Frontier Logo
7:12 am - 8:42 am
DEN
-
SAN
2h 30mnonstop
Frontier Logo
6:25 am - 10:01 am
SAN
-
DEN
2h 36mnonstop
$91Frontier
Thu, May 21 - Tue, May 26
Frontier Logo
10:29 pm - 11:49 pm
DEN
-
ONT
2h 20mnonstop
Frontier Logo
6:00 am - 9:22 am
ONT
-
DEN
2h 22mnonstop
$91Frontier
Wed, May 13 - Thu, May 14
Multiple Airlines Logo
12:34 pm - 12:19 pm
DEN
-
SNA
24h 45m
1 stop
Multiple Airlines Logo
4:33 pm - 3:25 am
SNA
-
DEN
9h 52m
1 stop
$152Multiple Airlines
Wed, May 20 - Tue, May 26
Alaska Airlines Logo
1:02 pm - 9:44 am
DEN
-
SJC
21h 42m
1 stop
Alaska Airlines Logo
6:43 am - 11:59 pm
SJC
-
DEN
16h 16m
1 stop
$223Alaska Airlines
Tue, May 5 - Tue, May 12

Frontier flights from Colorado to California

Our best Frontier deals on Colorado to California flight tickets
Frontier
May 20
DEN10:29 pmDenver Intl
2h 21m
SAN11:50 pmSan Diego
May 24
SAN6:25 amSan Diego
2h 36m
DEN10:01 amDenver Intl
$82
Frontier
May 3
DEN6:00 amDenver Intl
2h 26m
ONT7:26 amOntario
May 12
ONT6:00 amOntario
2h 22m
DEN9:22 amDenver Intl
$86
Frontier
May 12
DEN8:41 amDenver Intl
2h 24m
ONT10:05 amOntario
May 17
ONT6:00 amOntario
2h 22m
DEN9:22 amDenver Intl
$87

Alaska Airlines flights from Colorado to California

Our best Alaska Airlines deals on Colorado to California flight tickets
Alaska Airlines
May 5
DEN7:06 pmDenver Intl
20h 02m
1 stop
SJC2:08 pmSan Jose
May 13
SJC7:06 amSan Jose
15h 43m
1 stop
DEN11:49 pmDenver Intl
$223
Alaska Airlines
May 6
DEN1:02 pmDenver Intl
7h 02m
1 stop
SJC7:04 pmSan Jose
May 12
SJC12:44 pmSan Jose
4h 41m
1 stop
DEN6:25 pmDenver Intl
$243
Alaska Airlines
May 19
DEN6:40 amDenver Intl
17h 19m
1 stop
SJC10:59 pmSan Jose
May 20
SJC7:06 amSan Jose
15h 43m
1 stop
DEN11:49 pmDenver Intl
$253

momondo 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, momondo users made 832,500 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Colorado to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 5/20

10:29 pm-11:50 pm

Nonstop2h 21m

San Diego

Sun 5/24

6:25 am-10:01 am

Nonstop2h 36m

$82

DenverOntario

DEN - ONT

DENONT

Denver Intl

Sun 5/3

6:00 am-7:26 am

Nonstop2h 26m

Ontario

Tue 5/12

6:00 am-9:22 am

Nonstop2h 22m

$86

DenverOntario

DEN - ONT

DENONT

Denver Intl

Tue 5/12

8:41 am-10:05 am

Nonstop2h 24m

Ontario

Sun 5/17

6:00 am-9:22 am

Nonstop2h 22m

$87

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 5/13

10:29 pm-11:50 pm

Nonstop2h 21m

San Diego

Wed 5/20

6:25 am-10:01 am

Nonstop2h 36m

$88

DenverOntario

DEN - ONT

DENONT

Denver Intl

Tue 5/12

8:41 am-10:05 am

Nonstop2h 24m

Ontario

Tue 5/19

10:50 am-2:12 pm

Nonstop2h 22m

$88

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 5/13

10:29 pm-11:50 pm

Nonstop2h 21m

San Diego

Wed 5/20

7:34 pm-3:25 am

1 stop6h 51m

$89

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Thu 5/21

7:12 am-8:42 am

Nonstop2h 30m

San Diego

Tue 5/26

6:25 am-10:01 am

Nonstop2h 36m

$91
Quickest round-trip

DenverOntario

DEN - ONT

DENONT

Denver Intl

Wed 5/13

10:29 pm-11:49 pm

Nonstop2h 20m

Ontario

Thu 5/14

6:00 am-9:22 am

Nonstop2h 22m

$91

DenverSanta Ana

DEN - SNA

DENSNA

Denver Intl

Wed 5/20

12:34 pm-12:19 pm

1 stop24h 45m

Santa Ana J. Wayne/Orange Cnty

Tue 5/26

4:33 pm-3:25 am

1 stop9h 52m

$152

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Tue 5/5

1:02 pm-9:44 am

1 stop21h 42m

San Jose

Tue 5/12

6:43 am-11:59 pm

1 stop16h 16m

$223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

How to get the cheapest flight ticket from Colorado to California

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 California?

The month of September is another great option to travel to California, with average flight prices from Colorado averaging around $171.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Colorado to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $304. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $664.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the morning when flights can be purchased for as low as $342. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $902 on average. Flights to California from Colorado in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Colorado to California flight route?

Fly from Denver Intl to Ontario for the best Colorado - California flight prices

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $204 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Colorado for as low as $150 on momondo.

What cabin class options are available on Colorado to California flights?

There are 4 cabin classes available to choose from on Colorado to California 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 Colorado to California flights?

No. A direct flight is the cheapest option for a flight between Colorado to California.

Cheap Colorado to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to California

Best Price Found

$56

Fastest flight time

1h 35m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in California

418 airports
The best one-way flight to California from Colorado in the past 72 hours is $56. The best round-trip flight deal from Colorado to California found on momondo in the last 72 hours is $105.
The fastest flight from Colorado to California takes 1h 35m
Direct flights go from Colorado to California on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Breeze Airways.
There are 418 airports in California. From Colorado there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Colorado to California

  • When did momondo last update prices for flights from Colorado to California?

    Prices for flights from Colorado to California refresh daily.

  • How many operators does momondo search for flights from Colorado to California?

  • How old do you have to be to fly from Colorado to California?

    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 Colorado to California.

  • What documentation or ID do you need to fly to California?

    The required travel and health documents for your California 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 California. 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 Colorado to California?

Best airlines flying from Colorado to California

Compare and see reviews for airlines that fly from Colorado to California with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $51Free CancellationRating
5.7
2,986 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $68Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $78Free CancellationRating
7.9
8,422 reviews
Search Delta flights
Allegiant AirPriceFrom $84Free CancellationRating
7.3
706 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $100Free CancellationRating
7.9
12,262 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
9,603 reviews
Search United Airlines flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,328 reviews
Search Southwest flights
Breeze AirwaysPriceFrom $126Free CancellationRating
8.1
280 reviews
Search Breeze Airways flights
American AirlinesPriceFrom $151Free CancellationRating
7.1
11,618 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to California?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to California for you.

Can I find flights from Colorado to California with flexible booking policies on momondo?

momondo does allow users to show only those flights to California from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to California?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to California.

I’m not ready to book a flight from Colorado to California right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to California from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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