DEN

$26 Find Cheap Flights from California to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Denver departing on 8/18. 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.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from California to Denver

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from California to Denver

Tue, Jun 9 - Wed, Jun 17
Frontier Logo
12:59 am - 3:58 am
LAS
-
DEN
1h 59mnonstop
Frontier Logo
4:26 pm - 5:29 pm
DEN
-
LAS
2h 03mnonstop
$56Frontier
Tue, Jun 16 - Wed, Jun 24
Frontier Logo
12:59 am - 3:58 am
LAS
-
DEN
1h 59mnonstop
Frontier Logo
4:26 pm - 5:29 pm
DEN
-
LAS
2h 03mnonstop
$75Frontier
Tue, Jun 9 - Tue, Jun 9
Frontier Logo
6:30 am - 9:30 am
LAS
-
DEN
2h 00mnonstop
Frontier Logo
12:47 pm - 1:48 pm
DEN
-
LAS
2h 01mnonstop
$83Frontier
Thu, Jun 18 - Sun, Jun 21
Multiple Airlines Logo
8:16 am - 3:58 am
BUR
-
DEN
18h 42m
2 stops
Multiple Airlines Logo
7:26 pm - 8:03 am
DEN
-
BUR
13h 37m
1 stop
$272Multiple Airlines
Tue, Jul 14 - Wed, Jul 22
Delta Logo
7:00 am - 11:58 pm
SJC
-
DEN
15h 58m
1 stop
Delta Logo
7:31 am - 5:12 pm
DEN
-
SJC
10h 41m
1 stop
$295Delta
Wed, Aug 19 - Wed, Aug 26
Alaska Airlines Logo
3:13 pm - 9:13 pm
OAK
-
DEN
5h 00m
1 stop
Alaska Airlines Logo
6:17 am - 11:06 am
DEN
-
OAK
5h 49m
1 stop
$303Alaska Airlines
Thu, Aug 20 - Sat, Aug 22
Alaska Airlines Logo
5:10 pm - 11:56 pm
OAK
-
DEN
5h 46m
1 stop
Alaska Airlines Logo
1:43 pm - 11:10 pm
DEN
-
OAK
10h 27m
1 stop
$304Alaska Airlines
Tue, Jun 30 - Sat, Jul 4
Multiple Airlines Logo
5:02 pm - 11:30 pm
SJC
-
DEN
5h 28m
1 stop
Multiple Airlines Logo
7:00 am - 7:37 pm
DEN
-
SJC
13h 37m
1 stop
$304Multiple Airlines
Tue, Jun 9 - Thu, Jun 11
Southwest Logo
7:40 pm - 11:05 pm
OAK
-
DEN
2h 25mnonstop
Southwest Logo
10:10 pm - 11:45 pm
DEN
-
OAK
2h 35mnonstop
$317Southwest
Tue, Sep 22 - Tue, Sep 29
Southwest Logo
6:40 pm - 10:05 pm
OAK
-
DEN
2h 25mnonstop
Southwest Logo
4:15 pm - 9:15 pm
DEN
-
OAK
6h 00m
1 stop
$323Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$26
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Ontario to Denver

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

Insights shared by verified travelers who flew the route from California to Denver 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Delta
LAX
-
DEN
Apr 2025
It’s an easy short flight, so a quick recharge nap is nice. A neck pillow is recommended.
Verified travelerFlew with Lufthansa
PSP
-
DEN
Mar 2024
Palm Springs is beautiful airport, check in your tickets before arriving. Busy drop off but still manageable.
Verified travelerFlew with United Airlines
SFO
-
DEN
Mar 2024
Get TSA PRE and CLEAR. Life will be easy.
MichaelFlew with United Airlines
LAX
-
DEN
Mar 2024
Arrive early if you have carry-on luggage. Eat before you get on the plane.
BrianFlew with United Airlines
SBP
-
DEN
Jan 2024
Don’t arrive too early since it’s a small airport.

FAQs for booking flights from California to Denver

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

    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 California to Denver.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from 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 California to Denver?

    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 to Denver with an airline and back to California with another airline.

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

    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 to Denver from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Lakewood
Dillon
Broomfield
Englewood
Greenwood Village
Lone Tree
Central City
Limon
Brighton
Wheat Ridge
Fort Morgan
Evergreen
Erie

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)