$47+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from California to Denver 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 California to Denver
Keep the following information in mind while searching for California to Denver flight deals. Data was last updated May 1, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $79 (Frontier) |
One-way from | $47 (Cheapflightsfares) |
Popular in | December |
Cheapest in | January |
Average price | $191 |
Good round-trip deal | $92 or less |
Good one-way deal | $103 or less |
Find flight deals from California to Denver
Cheapest flights from California to DenverExplore 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 May 1, 2025.
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 May 1, 2025.
This Frontier deal was found by Cheapflights users on 4/30. 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.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/30. 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.
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/30. 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.
This Southwest deal was found by Cheapflights users on 4/29. 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.
This Southwest deal was found by Cheapflights users on 4/30. 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.
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 May 1, 2025.
Use the filters below to find and compare flights from California to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Thu 5/22
10:29 pm-1:30 am
Nonstop2h 01m
Denver Intl
Sun 5/25
10:29 pm-11:36 pm
Nonstop2h 07m
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Fri 7/11
5:21 pm-8:44 pm
Nonstop2h 23m
Denver Intl
Sun 7/13
7:40 am-9:00 am
Nonstop2h 20m
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 6/29
6:37 am-10:12 am
Nonstop2h 35m
Denver Intl
Wed 7/2
9:36 pm-11:34 pm
Nonstop2h 58m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Sat 7/19
6:15 am-9:51 am
Nonstop2h 36m
Denver Intl
Sun 7/27
10:55 pm-12:27 am
Nonstop2h 32m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sat 6/7
6:25 am-10:00 am
Nonstop2h 35m
Denver Intl
Tue 6/10
9:29 pm-10:58 pm
Nonstop2h 29m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Tue 6/3
12:04 pm-3:32 pm
Nonstop2h 28m
Denver Intl
Sat 6/7
9:42 am-11:16 am
Nonstop2h 34m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Wed 5/21
2:08 pm-12:05 am
1 stop8h 57m
Denver Intl
Wed 6/4
10:22 pm-11:29 pm
Nonstop2h 07m
San JoseDenver
SJC - DEN
SJCDEN
San Jose
Thu 5/29
12:13 pm-3:50 pm
Nonstop2h 37m
Denver Intl
Thu 6/5
9:42 am-11:18 am
Nonstop2h 36m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Wed 5/21
6:15 am-9:10 am
Nonstop1h 55m
Denver Intl
Wed 5/28
4:35 pm-7:55 pm
1 stop4h 20m
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 5/21
3:10 pm-6:25 pm
Nonstop2h 15m
Denver Intl
Sat 5/24
4:05 pm-5:25 pm
Nonstop2h 20m
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.
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 May 1, 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 May 1, 2025.
The most flights from USCA to DEN are scheduled on a Wednesday (95 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (33 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 May 1, 2025.
Read through reviews of airlines operating flights from California to Denver, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
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.
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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.
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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$142 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$294 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$110 | Average$289 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$116 | Average$338 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$133 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$141 | Average$274 | FlexibilityNo cancel fee | On-time71% |