$38 Find Cheap Flights from Colorado to California

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Colorado to California departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Low season

January

High season

March

Cheapest flight

$38
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Denver to San Francisco

Flights from Colorado to California: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Colorado to California 
Verified travelerFlew with Qantas AirwaysDEN-LAXSep 2024
You don’t have to arrive two hours early since it is a domestic flight
ChristineFlew with SouthwestDEN-LGBAug 2024
I always fly Southwest. I actually don’t mind they are moving to Assigned seating. Easy boarding. On time. Smooth landing. Long Beach is small airport and easy to Navigate.
AndrewFlew with United AirlinesDEN-LAXApr 2024
New DIA security for 2024 is much better
RalphFlew with SouthwestDEN-PSPFeb 2024
If you really want a better seat make sure you upgrade.

FAQs for booking flights from Colorado to California

  • How does KAYAK find such low prices on flights from Colorado to California?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to California.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to California?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Colorado to California is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to California?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Colorado to California with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to California?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Colorado to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Colorado to California

Need help choosing which airline to fly with from Colorado to California? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
SouthwestOverall score based on 4333 reviews
8.2Boarding
7.6Entertainment
7.1Food
8.7Crew
8.1Comfort
Airline reviews

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

8.0 ExcellentStephen, Feb 2025AUS - SAN
Read more Southwest reviews

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a not a great airport.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a hell hole of an airport. It is the new LaGuardia. Everything Cobbled together. Security gates closed. Terri directional signage

I will be flying again Southwest Airlines. Friendly crew, comfortable and affordable.

The plane arrived 25 minutes late, and the Wi-Fi was slower than it usually is.

Forget beverage, they didn't even have water for half the passangers?

Can not wait for seating change to reduce the amount of pre boards - it’s disheartening the abuse. And then then deplaning

The crew was nice. Boarding sucked. Instead of loading from the back to the front people just sat wherever and you had to wait for them to move to get to a seat. And the flight was 25 minutes delayed.

I boarded last because of my boarding assignment and was given a middle seat at the back of the plane. I’m 6”1” so it was really tight. I wish I just had a seat assignment instead of a general boarding group. My bag was way at the front and my seat at the back. Was never offered a beverage and had no room to move.

Seats are much much more comfortable than United, which is what I usually fly

If I pay extra for "comfort+" I expect leg room where I can stretch my legs. I was seated with an attendant's seat blocking my feet. Knee space was fine but my feet had less room than the non-"comfort+" seats. Also, don't go cheap on food when you have flights of 3+ hours. It's insulting.

Only one side of the heafphone jack work. Crew was friendly and helpful.

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

They separated our seats and moved us to the back of the plane. Hundreds of dollars and thousands of miles used and this was my platinum member experience.

AC barely worked on a 50 minute flight. It was very warm the whole flight. Flight was very bumpy and hard landing.

Got on the plane and then needed to deboard the plane because they didn’t have any pilots?

The flight was canceled two hours before departure, it took over five hours to rebook us on another flight.

First, the flight was schedule to leave at 12:08. Delayed to 12:38. It is 12:58 and I am sitting at the gate. The staff are not communicating with us (just tell me it’s gonna be five hours if that’s the case, quit hufflepuffing around like you’re trying to board us when the plane isn’t even here and you don’t know where your crew are. I’m still waiting for any communication about the further delay. This is a rebooked flight from a cancelled flight yesterday, when the airline failed to fulfill its fiduciary responsibility to hotel and cover transport for overnight cancelations. Asking about the food on the flight? What food?!? Delta doesn’t serve meals unless you pay for them and you really want me to give delta a high rating for passing out processed snacks (fun size!)? Can we be for real. Delta is cementing itself in history as one of the cheap, stingy, outdated, glory days are over airlines, and it shows. I took this flight knowing delta was going to provide below level service but this is beyond burgers!! I can’t believe a multi billion or dollar company looked straight in my eyes yesterday and I told me this wasn’t their fault and there for the extra cost in hotel and hundreds of dollars in Ubers are MY RESPONSIBILITY. The only thing I am at fault for is believing delta is reputable company worthy of my dollars. I’m not even sure I want to be compensated unless it is cash because I would rather die never traveling again than to put money in their pockets.

Rough day of travel all the way around. Wrong info given to us multiple times and mistakes in their booking making our trip 10 hours longer than planned. I’m bummed because I fly Delta all the time and love them. Mistakes happen. Just bummed that this was a rare trip our whole family was traveling together.

The agents was very rude and they charged me $50 for a carry-on bag saying that it was too big and then I saw someone going on a plane with the same size bag as me

For the most part united was a good experience, how ever when they came by with the snacks and water, they completely passed by my wife and I. As we were in separate rows. On a 5 hr flight we were not offered water

Fantastic crew. Flight was delayed at last minute but we were given updates every 20 minutes and the crew was so friendly and considerate. I miss the touch screens on the back of the seats, wish they would bring that back though.

Awful. Worst airline I have ever been on. Crew were among the rudest people I have ever dealt with. United staff members were rude and disrespectful. My flight was delayed, causing me to miss a connecting flight. I understand things happen, but when staff start lying about what actually happened, that is when I have an issue. Just be honest, really it isn’t that hard. I’m being very honest with this review and I don’t find this difficult what so ever. In fact, because of United Airlines, my Christmas holiday was off to a really rocky start. As someone who has traveled across the world, it has only been United that I have had a truly awful experience.

Boarding always seems a bit chaotic. Seat spacing could leave more for leg room.

Good flight. On time. Boarding and seating was easy. Crew were really friendly, yet professional. Bathroom (by cockpit) was small but serviceable. Some the seats were showing some notable wear & tear, but were comfy. Very happy UA customer. TY! 🤛🏽💗

We arrived early and finally made it to our gate almost an hour after.

We were delayed 3x and because I didn’t purchase my tickets directly from United Airlines I was told I Have to take care of it myself so I called Underpricer and they helped me but before I changed my flights I took the risk of sticking by what my tickets were and was lucky to have gotten on the original all flight with only 15 mins before take off. not sure if I will do this again

Everything good until we waited for jet bridge at SFO. Then pilot gets on speaker & said it won’t reach plane- too short, need to go to different gate. Then 5 min later, adjusted plane/jetbridge & all ok?!?

Was a pain having to leave the plane and reboard but glad the plane was fixed

Bigger seats. Board back to front! Disembark front to back!

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

This flight didn’t happen because AA agents didn’t let us board the flight

Plane was pretty clean, staff was friendly and helpful, flight left about on time arrived early. Took a long time to board and get off the plane - carry on items didn't have enough room so people had to move all around to find places.

The service and food needs to improve to catch up with other international flights

Would have been good to have a meal since it was a 5.5 hour flight

We boarded after several delays due to mechanical failure and a gate change. The seat cushion in the exit row was very compressed and offered no cushion, making the four-hour journey reasonably uncomfortable. The WiFi worked for a few people, but for most, it did not, and you cannot get entertainment unless you can connect—American Airlines flights do not have seatback screens, and you must use your mobile phone.

AA is always pretty solid. Was on time all the way around today so can’t complain!

My boarding pass wouldn't pull up in the app very easily and had to really dig through my email. That caused a delay in TSA..

RE Food: Wish there was a choice for No Rating. Flew from Honolulu to Los Angeles on a Red-Eye flight (11:00 pm to 7:30 am). Other than a package of cookies with a beverage choice offered soon after take-off, and a beverage choice shortly before landing, no other food choices were offered. Everyone slept or rested for most of the trip. Nothing to rate. RE Entertainment: Everyone was sleeping most of the flight. Only saw one passenger watch about 30 minutes of entertainment on his iPad. I never attempted to access any entertainment options.

No frills for sure. No gate announcements about flight delay, not even water to drink on the flight.

they delayed my flight which ended up, causing my layover flight to leave without me, resulting in me missing a flight and having to stay overnight in Houston international. I got no compensation other than a flight to my original location only a day later. i’ve never experienced such a unprofessional situation

The plane was clean, the crew was friendly and helpful. It’s a low cost airline so there was no food, drinks or in flight entertainment but we didn’t expect any of these things. In the room for improvement department, they should install USB ports in seats to charge mobile devices.

The seats were extremely hard and uncomfortable, even for a budget airline.

Boarding was very well executed. Got my bag right away.

I was surprised that all baggage, including carry on, were charged. Each additional bag went up in cost. Really disappointed in the additional costs.

Overall experience good. There was no food and seats were not terribly comfortable.

Charges unexpected. For seat that didnt recline. Please reverse extra seat and carryon charge. Bad business that is a bait and switch.

I couldn’t check in because the app didn’t work. It took 3 Frontier employees at the counter to get me checked in. Flight left 3 hours after departure time

Stop changing gates at sfo. When you are elderly going back for it’s not fun.

Book cheap flights from Colorado to California

Recent round-trip flight deals

3/23Sun
nonstopFrontier
2h 16mDEN-LAS
3/25Tue
nonstopFrontier
1h 57mLAS-DEN
$76
5/1Thu
nonstopFrontier
2h 53mDEN-SFO
5/5Mon
nonstopFrontier
2h 39mSFO-DEN
$77
4/4Fri
nonstopUnited Airlines
2h 23mDEN-ONT
4/6Sun
nonstopUnited Airlines
2h 19mONT-DEN
$97
4/26Sat
nonstopSouthwest
2h 20mDEN-ONT
5/1Thu
nonstopSouthwest
2h 15mONT-DEN
$117
4/26Sat
nonstopSouthwest
2h 20mDEN-ONT
5/1Thu
1 stopSouthwest
4h 15mONT-DEN
$127
3/17Mon
1 stopUnited Airlines
5h 39mDEN-ONT
4/7Mon
nonstopUnited Airlines
2h 19mONT-DEN
$147
4/6Sun
1 stopDelta
6h 12mDEN-LAS
4/11Fri
1 stopDelta
4h 43mLAS-DEN
$177
5/19Mon
1 stopDelta
5h 54mDEN-LAS
5/28Wed
1 stopDelta
4h 24mLAS-DEN
$183
4/3Thu
1 stopAmerican Airlines
5h 23mDEN-LAS
4/7Mon
1 stopAmerican Airlines
3h 56mLAS-DEN
$188
4/4Fri
1 stopAmerican Airlines
5h 45mDEN-LAS
4/7Mon
1 stopAmerican Airlines
4h 42mLAS-DEN
$194

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Recent one-way flight deals

4/1Tue
nonstopFrontier
2h 55mDEN-SFO
$38
3/29Sat
nonstopFrontier
2h 10mDEN-LAS
$38
4/2Wed
nonstopDelta
2h 40mDEN-LAX
$69
4/27Sun
nonstopUnited Airlines
2h 50mDEN-SFO
$71
4/1Tue
1 stopSouthwest
5h 00mDEN-SFO
$81
4/8Tue
2 stopsSouthwest
6h 10mDEN-ONT
$84
5/13Tue
1 stopDelta
3h 41mDEN-LAS
$89
5/8Thu
1 stopUnited Airlines
5h 21mDEN-LAS
$90
8/19Tue
nonstopAmerican Airlines
2h 39mDEN-LAX
$99
4/7Mon
1 stopAmerican Airlines
6h 12mDEN-SFO
$100

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Last minute flights from Colorado to California

Last minute flight, train and bus deals

3/8Sat
nonstopFrontier
2h 37mDEN-SAN
3/18Tue
nonstopFrontier
2h 28mSAN-DEN
$128
3/8Sat
nonstopFrontier
2h 37mDEN-SAN
3/16Sun
nonstopFrontier
2h 31mSAN-DEN
$138
3/8Sat
multi-stopDelta
4h 30mDEN-SAN
3/17Mon
multi-stopDelta
4h 13mSAN-DEN
$307
3/8Sat
multi-stopDelta
7h 44mDEN-SAN
3/15Sat
multi-stopDelta
5h 43mSAN-DEN
$327
3/8Sat
multi-stopAmerican Airlines
5h 30mDEN-PSP
3/11Tue
multi-stopAmerican Airlines
3h 45mPSP-DEN
$397
3/7Fri
multi-stopUnited Airlines
4h 37mDEN-LAS
3/11Tue
nonstopUnited Airlines
1h 55mLAS-DEN
$454
3/5Wed
nonstopUnited Airlines
2h 10mDEN-LAS
3/10Mon
nonstopUnited Airlines
1h 55mLAS-DEN
$464
3/5Wed
multi-stopSouthwest
6h 30mDEN-LAS
3/10Mon
multi-stopSouthwest
3h 55mLAS-DEN
$504
3/7Fri
multi-stopSouthwest
4h 20mDEN-BUR
3/24Mon
multi-stopSouthwest
4h 30mBUR-DEN
$509
3/4Tue
nonstopAmerican Airlines
3h 02mDEN-LAX
4/1Tue
nonstopAmerican Airlines
2h 25mLAX-DEN
$644

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Everything you need to know for your flight to California

Cabin class types available on flights to Colorado

Cabin classes available on flights to Colorado. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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