Cheap flights from California to Denver from $48
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Denver departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from California to Denver
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 Denver?
The cheapest month to fly to Denver from California is in January. Flight prices, which tend to average around $141, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until September to fly from California, when ticket prices are also cheap, with an average price of $166.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $229. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $319.
What is the cheapest time of day to depart on your flight to Denver?
The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $222. Flights at noon are often more expensive with an average ticket price of $295.
What is the cheapest California to Denver Intl flight route?
Fly from Ontario to Denver Intl for the best California - Denver Intl flight prices
How far in advance should I book a flight to Denver?
You are more likely to see cheaper flights to Denver from California when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $187 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from California for as low as $143 on momondo.
What cabin class options are available on California to Denver Intl flights?
There are 4 cabin classes available to choose from on California to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from California to Denver Intl?
Frontier, Southwest, and Hawaiian Airlines are the most popular carriers operating from California to Denver Intl
What airlines fly to Denver?
Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from California according to our data. Frontier is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 8 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to Denver on average per day?
The number of flights available between California and Denver is 253 per day as of June 2025. The most frequent departure time is 4:00PM, with 38% of daily flights leaving in the afternoon.
How many flights depart from California to Denver on average per week?
As of June 2025, 1,775 flights take off from California and land in Denver each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.
Cheap California to Denver flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Denver
Best Price Found | $48 |
|---|---|
Fastest flight time | 1h 50m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Denver | 1 airport |
When did momondo last update prices for flights from California to Denver Intl Airport?
Prices for flights from California to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from California to Denver Intl Airport?
As of June 2025, there are 7 operators available to choose from for flights from California to Denver Intl Airport.
How old do you have to be to fly from California to Denver Intl Airport?
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 California to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport 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 Denver Intl Airport. 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 California to Denver?
momondo data reveals that the most frequently booked plane model on the route from California to Denver is Boeing 737 MAX 8, representing 12.29% of all bookings. The subsequent popular models are Airbus A321neo at 11.28%, Airbus A320neo at 11.14%, and Boeing 737-800 at 9.27%.
Best airlines flying from California to Denver
Compare and see reviews for airlines that fly from California to Denver with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $87 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $103 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from California to Denver?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from California.
Can I find flights from California to Denver with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Denver from California with this policy.
How can momondo help me find flights from California to Denver?
momondo provides multiple filters to help you find the best flight to Denver from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from California to Denver right now. Can momondo alert me if prices change?
If you are not ready to book a flight from California to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.