$40+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Apr 14 — Apr 211
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from California to Colorado 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 Colorado
Cheapest
Best
Last-minute
One-way
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 March 15, 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 March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/156:25 am
SAN
- DEN
Nonstop2h 36m
Frontier
Sat 5/167:12 am
DEN
- SAN
Nonstop2h 30m
Frontier
Deal found 3/14![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/39:28 pm
SAN
- DEN
Nonstop2h 33m
Frontier
Tue 4/710:30 pm
DEN
- SAN
Nonstop2h 32m
Frontier
Deal found 3/11![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/236:25 am
SAN
- DEN
Nonstop2h 37m
Frontier
Sun 4/267:00 am
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/15![Frontier logo]()
$67
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Thu 4/236:25 am
SAN
- DEN
Nonstop2h 37m
Frontier
Sat 4/256:30 pm
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/15![Frontier logo]()
$68
This Flightnetwork deal was found by Cheapflights users on 3/14. 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.
Wed 4/2210:30 am
SAN
- DEN
Nonstop2h 37m
Frontier
Sun 4/267:00 am
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/14![Frontier logo]()
$69
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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.
Thu 4/236:25 am
SAN
- DEN
Nonstop2h 37m
Frontier
Mon 4/2710:29 pm
DEN
- SAN
Nonstop2h 30m
Frontier
Deal found 3/11![Frontier logo]()
$71
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 5/86:25 am
SAN
- DEN
Nonstop2h 36m
Frontier
Sun 5/107:12 am
DEN
- SAN
Nonstop2h 30m
Frontier
Deal found 3/15![Frontier logo]()
$72
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Mon 4/2012:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Tue 4/2810:29 pm
DEN
- LAS
Nonstop2h 07m
Frontier
Deal found 3/15![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 3/10. 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 3/176:00 am
LAS
- DEN
Nonstop2h 01m
Frontier
Tue 3/247:05 pm
DEN
- LAS
Nonstop2h 10m
Frontier
Deal found 3/10![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 3/14. 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 5/126:25 am
SAN
- DEN
Nonstop2h 36m
Frontier
Sun 5/177:12 am
DEN
- SAN
Nonstop2h 30m
Frontier
Deal found 3/14![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 3/11. 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.
Wed 4/19:21 pm
LAS
- DEN
Nonstop1h 59m
Frontier
Tue 4/72:30 pm
DEN
- LAS
Nonstop2h 05m
Frontier
Deal found 3/11![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/712:00 pm
SAN
- DEN
Nonstop2h 34m
Frontier
Thu 4/96:15 am
DEN
- SAN
Nonstop2h 37m
Frontier
Deal found 3/13![Frontier logo]()
$81
Best flights from California to ColoradoDiscover carefully curated flight deals from California to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
Discover carefully curated flight deals from California to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 5/93:15 pm
SAN
- DEN
1 stop3h 45m
Southwest
Sun 5/108:35 pm
DEN
- SAN
1 stop3h 50m
Southwest
Deal found 3/14![Southwest logo]()
$132
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:59 pm
ONT
- DEN
1 stop5h 00m
United Airlines
Tue 5/266:00 am
DEN
- ONT
1 stop7h 12m
United Airlines
Deal found 3/11![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:40 am
SFO
- DEN
1 stop5h 05m
Delta
Tue 5/196:19 pm
DEN
- SFO
1 stop6h 38m
Delta
Deal found 3/11![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
SMF
- DEN
1 stop16h 56m
Alaska Airlines
Mon 4/206:20 pm
DEN
- SMF
1 stop15h 56m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 3/12. 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.
Thu 5/146:55 pm
SAN
- DEN
1 stop4h 30m
Southwest
Fri 5/156:25 pm
DEN
- SAN
1 stop4h 35m
Southwest
Deal found 3/12![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 3/10. 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.
Thu 4/305:25 pm
SAN
- DEN
1 stop4h 40m
Southwest
Sun 5/312:25 pm
DEN
- SAN
1 stop4h 20m
Southwest
Deal found 3/10![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:35 pm
SAN
- DEN
1 stop6h 48m
Delta
Sat 4/116:30 am
DEN
- SAN
1 stop4h 25m
Delta
Deal found 3/12![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 3/10. 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.
Tue 4/217:15 pm
SFO
- DEN
Nonstop2h 35m
Southwest
Tue 4/288:25 pm
DEN
- SFO
Nonstop2h 45m
Southwest
Deal found 3/10![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:12 am
BUR
- DEN
Nonstop2h 29m
United Airlines
Tue 6/26:00 am
DEN
- BUR
1 stop6h 49m
United Airlines
Deal found 3/12![United Airlines logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:51 pm
SJC
- DEN
1 stop8h 08m
Alaska Airlines
Mon 5/187:51 pm
DEN
- SJC
1 stop19h 22m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:12 am
SMF
- DEN
2 stops10h 17m
Delta
Wed 4/226:55 am
DEN
- SMF
1 stop6h 14m
Delta
Deal found 3/12![Delta logo]()
$228
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:56 pm
RNO
- DEN
1 stop27h 28m
Alaska Airlines
Sat 4/186:20 pm
DEN
- RNO
1 stop5h 18m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 3/10. 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.
Tue 5/52:20 pm
LAX
- DEN
2 stops5h 20m
Southwest
Tue 5/126:45 am
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 3/10![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:36 am
SJC
- DEN
1 stop9h 04m
Delta
Mon 5/186:05 am
DEN
- SJC
2 stops12h 10m
Delta
Deal found 3/12![Delta logo]()
$228
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:15 pm
SNA
- DEN
Nonstop2h 24m
United Airlines
Sun 4/198:10 am
DEN
- SNA
Nonstop2h 34m
United Airlines
Deal found 3/10![United Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:35 am
SJC
- DEN
2 stops9h 54m
Delta
Thu 5/71:08 pm
DEN
- SJC
1 stop7h 57m
Delta
Deal found 3/10![Delta logo]()
$228
This Southwest deal was found by Cheapflights users on 3/10. 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.
Sat 4/187:00 am
LAX
- DEN
1 stop4h 25m
Southwest
Tue 4/216:45 am
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 3/10![Southwest logo]()
$212
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:00 am
BUR
- DEN
Nonstop2h 27m
United Airlines
Wed 4/157:12 pm
DEN
- BUR
Nonstop2h 37m
United Airlines
Deal found 3/10![United Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:45 pm
LAX
- DEN
1 stop7h 14m
Alaska Airlines
Wed 5/66:00 am
DEN
- LAX
1 stop8h 43m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 3/10. 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.
Mon 5/114:05 pm
LAS
- DEN
Nonstop1h 55m
Southwest
Fri 5/158:50 pm
DEN
- LAS
Nonstop2h 00m
Southwest
Deal found 3/10![Southwest logo]()
$214
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:53 pm
SFO
- DEN
1 stop4h 48m
Delta
Fri 5/153:49 pm
DEN
- SFO
1 stop6h 41m
Delta
Deal found 3/11![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:10 am
SNA
- DEN
Nonstop2h 24m
United Airlines
Tue 4/77:15 pm
DEN
- SNA
Nonstop2h 32m
United Airlines
Deal found 3/10![United Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:35 am
SJC
- DEN
1 stop12h 09m
Alaska Airlines
Tue 4/71:16 pm
DEN
- SJC
1 stop21h 42m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 3/10. 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.
Thu 4/95:10 am
LAX
- DEN
1 stop4h 40m
Southwest
Wed 4/156:45 am
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 3/10![Southwest logo]()
$214
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:29 pm
ONT
- DEN
1 stop5h 59m
Delta
Mon 4/206:27 pm
DEN
- ONT
1 stop6h 17m
Delta
Deal found 3/15![Delta logo]()
$244
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:00 am
SNA
- DEN
Nonstop2h 24m
United Airlines
Sun 4/128:10 am
DEN
- SNA
Nonstop2h 34m
United Airlines
Deal found 3/10![United Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:49 pm
ONT
- DEN
1 stop16h 01m
Alaska Airlines
Tue 4/286:00 am
DEN
- ONT
2 stops9h 19m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 3/14. 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.
Tue 4/218:30 am
LAS
- DEN
1 stop4h 10m
Southwest
Tue 4/289:10 am
DEN
- LAS
2 stops5h 10m
Southwest
Deal found 3/14![Southwest logo]()
$218
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:50 pm
BUR
- DEN
1 stop4h 39m
Delta
Sat 4/256:55 am
DEN
- BUR
2 stops15h 47m
Delta
Deal found 3/11![Delta logo]()
$245
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:00 am
SNA
- DEN
Nonstop2h 24m
United Airlines
Sat 4/48:10 am
DEN
- SNA
Nonstop2h 34m
United Airlines
Deal found 3/10![United Airlines logo]()
$273
Last-minute flights from California to ColoradoDiscover last-minute flight deals from California to Colorado. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from California to Colorado. Data last updated March 15, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/10. 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 3/176:00 am
LAS
- DEN
Nonstop2h 01m
Frontier
Tue 3/247:05 pm
DEN
- LAS
Nonstop2h 10m
Frontier
Deal found 3/10![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 3/11. 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.
Wed 4/19:21 pm
LAS
- DEN
Nonstop1h 59m
Frontier
Tue 4/72:30 pm
DEN
- LAS
Nonstop2h 05m
Frontier
Deal found 3/11![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/39:28 pm
SAN
- DEN
Nonstop2h 33m
Frontier
Tue 4/710:30 pm
DEN
- SAN
Nonstop2h 32m
Frontier
Deal found 3/11![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/712:00 pm
SAN
- DEN
Nonstop2h 34m
Frontier
Thu 4/96:15 am
DEN
- SAN
Nonstop2h 37m
Frontier
Deal found 3/13![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 3/10. 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 4/76:00 am
LAS
- DEN
Nonstop2h 05m
Frontier
Tue 4/72:30 pm
DEN
- LAS
Nonstop2h 05m
Frontier
Deal found 3/10![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 3/13. 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.
Mon 4/139:28 pm
SAN
- DEN
Nonstop2h 33m
Frontier
Wed 4/156:18 pm
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/13![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/1412:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Wed 4/1512:05 pm
DEN
- LAS
Nonstop2h 06m
Frontier
Deal found 3/11![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Mon 4/2012:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Tue 4/2810:29 pm
DEN
- LAS
Nonstop2h 07m
Frontier
Deal found 3/15![Frontier logo]()
$77
This Flightnetwork deal was found by Cheapflights users on 3/14. 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.
Wed 4/2210:30 am
SAN
- DEN
Nonstop2h 37m
Frontier
Sun 4/267:00 am
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/14![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/236:25 am
SAN
- DEN
Nonstop2h 37m
Frontier
Sun 4/267:00 am
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/15![Frontier logo]()
$67
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Thu 4/236:25 am
SAN
- DEN
Nonstop2h 37m
Frontier
Sat 4/256:30 pm
DEN
- SAN
Nonstop2h 34m
Frontier
Deal found 3/15![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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.
Thu 4/236:25 am
SAN
- DEN
Nonstop2h 37m
Frontier
Mon 4/2710:29 pm
DEN
- SAN
Nonstop2h 30m
Frontier
Deal found 3/11![Frontier logo]()
$71
One-way flights from California to ColoradoSearch for one-way flight options from California to Colorado. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
Search for one-way flight options from California to Colorado. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/29:21 pm
LAS
- DEN
Nonstop1h 59m
Frontier
Deal found 3/12![Frontier logo]()
$40
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 3/13![Frontier logo]()
$41
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/2412:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 3/12![Frontier logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Sun 4/512:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 3/12![Frontier logo]()
$48
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:04 pm
LAS
- DEN
Nonstop2h 09m
Frontier
Deal found 3/13![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/309:20 pm
LAS
- DEN
Nonstop1h 59m
Frontier
Deal found 3/12![Frontier logo]()
$50
This Super.com deal was found by Cheapflights users on 3/13. 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.
Wed 5/1312:29 am
LAS
- DEN
Nonstop1h 56m
Frontier
Deal found 3/13![Frontier logo]()
$51
This Super.com deal was found by Cheapflights users on 3/14. 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.
Fri 4/246:51 pm
LAS
- DEN
Nonstop2h 03m
Frontier
Deal found 3/14![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sat 5/239:37 am
SAN
- DEN
Nonstop2h 30m
Frontier
Deal found 3/10![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 3/14. 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.
Wed 4/812:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 3/14![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/78:05 pm
SAN
- DEN
Nonstop2h 39m
Hawaiian Airlines
Deal found 3/11![Hawaiian Airlines logo]()
$55
This Frontier deal was found by Cheapflights users on 3/13. 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.
Fri 4/1012:59 am
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 3/13![Frontier logo]()
$56
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 March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $63 (Kiwi.com) |
One-way from | $40 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $243 |
Good round-trip deal | $100 or less |
Good one-way deal | $66 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 March 15, 2026.
Use the filters below to find and compare flights from California to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sat 5/9
3:15 pm-8:00 pm
1 stop3h 45m
Denver Intl
Sun 5/10
8:35 pm-11:25 pm
1 stop3h 50m
$132
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Thu 5/14
6:55 pm-12:25 am
1 stop4h 30m
Denver Intl
Fri 5/15
6:25 pm-10:00 pm
1 stop4h 35m
$137
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Thu 4/30
5:25 pm-11:05 pm
1 stop4h 40m
Denver Intl
Sun 5/3
12:25 pm-3:45 pm
1 stop4h 20m
$137
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 5/20
6:59 pm-12:59 am
1 stop5h 00m
Denver Intl
Tue 5/26
6:00 am-12:12 pm
1 stop7h 12m
$197
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 4/21
7:15 pm-10:50 pm
Nonstop2h 35m
Denver Intl
Tue 4/28
8:25 pm-10:10 pm
Nonstop2h 45m
$197
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Tue 5/5
2:20 pm-8:40 pm
2 stops5h 20m
Denver Intl
Tue 5/12
6:45 am-12:10 pm
2 stops6h 25m
$207
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Sat 4/18
7:00 am-12:25 pm
1 stop4h 25m
Denver Intl
Tue 4/21
6:45 am-12:10 pm
2 stops6h 25m
$212
Quickest round-trip
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
Mon 5/11
4:05 pm-7:00 pm
Nonstop1h 55m
Denver Intl
Fri 5/15
8:50 pm-9:50 pm
Nonstop2h 00m
$214
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Thu 4/9
5:10 am-10:50 am
1 stop4h 40m
Denver Intl
Wed 4/15
6:45 am-12:10 pm
2 stops6h 25m
$214
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 5/16
5:40 am-11:45 am
1 stop5h 05m
Denver Intl
Tue 5/19
6:19 pm-11:57 pm
1 stop6h 38m
$217
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LAS-DEN
SAN-DEN
SJC-DEN
SMF-DEN
ONT-DEN
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
USCA-USCO
LAS-DEN
SAN-DEN
SJC-DEN
SMF-DEN
What is the cheapest month to book a flight from California to Colorado?
Currently, January is the cheapest month in which you can book a flight from California to Colorado (average of $38). Flying from California to Colorado in May is currently the most expensive (average of $68). 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 March 15, 2026.
It’s typically best to fly out from California to Colorado in the afternoon. Doing so could potentially save you 12% 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 March 15, 2026.
The most flights from USCA to USCO are scheduled on a Friday (91 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (59 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 March 15, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for California to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Colorado by cabin class
Find flights from California to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Colorado flights
Browse other California and Colorado flight options. Last updated on March 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to California after your stay in Colorado
California to Colorado flights
Consider these flights traveling from California to Colorado.
Top 10 airlines flying from California to Colorado
Discover the top 10 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 March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$174 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$56 | Average$115 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$66 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$68 | Average$177 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$107 | Average$375 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$372 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$119 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$123 | Average$204 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$308 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$389 | FlexibilityNo cancel fee | On-time71% |