$36+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Feb 28 — Mar 71
1 adult, Economy
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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 California to Colorado
Cheapest flights from California to ColoradoExplore 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 January 29, 2026.
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 January 29, 2026.
This Frontier deal was found by Cheapflights users on 1/28. 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.
Tue 3/106:25 am
SAN
- DEN
Nonstop2h 35m
Frontier
Tue 3/1710:29 pm
DEN
- SAN
Nonstop2h 39m
Frontier
Deal found 1/28![Frontier logo]()
$51
This Flightnetwork deal was found by Cheapflights users on 1/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:23 pm
SAN
- DEN
Nonstop2h 33m
Frontier
Sun 3/16:44 am
DEN
- SAN
Nonstop2h 40m
Frontier
Deal found 1/27![Frontier logo]()
$52
This Trip.com deal was found by Cheapflights users on 1/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:11 am
SAN
- DEN
Nonstop2h 31m
Frontier
Thu 2/2610:29 pm
DEN
- SAN
Nonstop2h 39m
Frontier
Deal found 1/29![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:25 am
SAN
- DEN
Nonstop2h 35m
Frontier
Mon 3/210:29 pm
DEN
- SAN
Nonstop2h 39m
Frontier
Deal found 1/26![Frontier logo]()
$55
This Super.com deal was found by Cheapflights users on 1/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:18 pm
SAN
- DEN
Nonstop2h 29m
Frontier
Thu 4/26:15 am
DEN
- SAN
Nonstop2h 37m
Frontier
Deal found 1/28![Frontier logo]()
$56
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Fri 2/278:35 am
SAN
- DEN
Nonstop2h 34m
Frontier
Sun 3/16:44 am
DEN
- SAN
Nonstop2h 40m
Frontier
Deal found 1/27![Frontier logo]()
$57
This Trip.com deal was found by Cheapflights users on 1/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:15 am
SAN
- DEN
Nonstop2h 35m
Frontier
Wed 5/139:30 pm
DEN
- SAN
Nonstop2h 36m
Frontier
Deal found 1/29![Frontier logo]()
$58
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 3/186:25 am
SAN
- DEN
Nonstop2h 35m
Frontier
Sun 3/2210:29 pm
DEN
- SAN
Nonstop2h 39m
Frontier
Deal found 1/27![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:16 pm
SAN
- DEN
Nonstop2h 37m
Frontier
Sat 3/710:29 pm
DEN
- SAN
Nonstop2h 39m
Frontier
Deal found 1/28![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:30 am
LAS
- DEN
Nonstop1h 57m
Frontier
Sun 3/110:34 pm
DEN
- LAS
Nonstop2h 10m
Frontier
Deal found 1/28![Frontier logo]()
$65
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 3/412:59 am
LAS
- DEN
Nonstop1h 57m
Frontier
Sun 3/86:00 am
DEN
- LAS
Nonstop2h 16m
Frontier
Deal found 1/27![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 1/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:59 am
SAN
- DEN
Nonstop2h 29m
Frontier
Thu 3/59:30 am
DEN
- SAN
Nonstop2h 44m
Frontier
Deal found 1/28![Frontier logo]()
$67
Find flight deals from California to Colorado
Keep the following information in mind while searching for California to Colorado flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $51 (Frontier) |
One-way from | $36 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $208 |
Good round-trip deal | $100 or less |
Good one-way deal | $48 or less |
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 January 29, 2026.
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
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Tue 4/7
6:25 am-10:05 am
Nonstop2h 40m
Denver Intl
Sat 4/11
10:30 pm-12:02 am
Nonstop2h 32m
$56
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Fri 2/20
6:00 am-9:29 am
Nonstop2h 29m
Denver Intl
Sun 2/22
6:00 am-7:46 am
Nonstop2h 46m
$80
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Tue 3/10
12:59 am-3:56 am
Nonstop1h 57m
Denver Intl
Mon 3/16
6:11 am-10:51 am
1 stop5h 40m
$94
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Mon 2/23
8:41 pm-11:42 pm
Nonstop2h 01m
Denver Intl
Sat 2/28
10:34 pm-11:44 pm
Nonstop2h 10m
$107
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sun 2/15
6:25 am-10:00 am
Nonstop2h 35m
Denver Intl
Wed 2/18
6:30 am-5:51 pm
1 stop12h 21m
$113
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Fri 3/6
2:16 pm-5:48 pm
Nonstop2h 32m
Denver Intl
Mon 3/9
6:45 pm-8:27 pm
Nonstop2h 42m
$117
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Tue 2/24
6:20 am-9:50 am
Nonstop2h 30m
Denver Intl
Sat 2/28
6:55 am-8:40 am
Nonstop2h 45m
$117
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Thu 4/2
6:32 am-10:09 am
Nonstop2h 37m
Denver Intl
Sun 4/5
7:45 am-9:16 am
Nonstop2h 31m
$117
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Fri 3/6
2:16 pm-5:48 pm
Nonstop2h 32m
Denver Intl
Tue 3/10
1:10 pm-2:49 pm
Nonstop2h 39m
$117
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Thu 3/12
6:30 am-1:29 pm
1 stop5h 59m
Denver Intl
Mon 3/16
6:11 am-10:51 am
1 stop5h 40m
$133
Showing 1-10 of 60 results
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, March is the cheapest month in which you can book a flight from California to Colorado (average of $36). Flying from California to Colorado 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 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 January 29, 2026.
It’s typically best to fly out from California to Colorado in the afternoon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from California to Colorado?
Use this chart to determine the cheapest time to fly round-trip from California to Colorado. Price data was last updated on August 31, 2025.
Travelers seeking maximum savings on their California to Colorado flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 January 29, 2026.
The most flights from USCA to USCO are scheduled on a Wednesday (87 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).
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 January 29, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines 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.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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 California to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$150 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$54 | Average$118 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$66 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$68 | Average$167 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$102 | Average$365 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$104 | Average$193 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$361 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$130 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$394 | FlexibilityNo cancel fee | On-time71% |