$65+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Jul 26 — Aug 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 June 26, 2026.
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 June 26, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/22. 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.
Tue 8/116:00 am
LAS
- DEN
Nonstop2h 05m
Frontier
Wed 8/1210:00 am
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/22![Frontier logo]()
$106
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:53 pm
LAS
- DEN
Nonstop2h 07m
Frontier
Tue 8/1112:47 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/22![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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.
Wed 7/16:30 am
LAX
- DEN
Nonstop2h 32m
Frontier
Wed 7/297:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Deal found 6/23![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 6/23. 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.
Thu 10/158:51 pm
LAX
- DEN
Nonstop2h 34m
Frontier
Sat 10/2412:17 pm
DEN
- LAX
Nonstop2h 42m
Frontier
Deal found 6/23![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 6/21. 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.
Thu 8/206:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Sun 8/2310:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 6/21![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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 8/139:05 pm
LAX
- DEN
Nonstop2h 37m
Frontier
Mon 8/1710:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 6/23![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Mon 9/2812:59 am
LAS
- DEN
Nonstop1h 53m
Frontier
Sat 10/310:30 pm
DEN
- LAS
Nonstop2h 01m
Frontier
Deal found 6/22![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/16:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Thu 8/610:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 6/25![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 6/21. 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.
Thu 10/18:51 pm
LAX
- DEN
Nonstop2h 34m
Frontier
Sat 10/3110:29 pm
DEN
- LAX
Nonstop2h 34m
Frontier
Deal found 6/21![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Mon 7/2012:59 am
LAS
- DEN
Nonstop1h 49m
Frontier
Tue 7/2812:47 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/22![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 6/24. 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.
Sat 10/36:15 am
LAX
- DEN
Nonstop2h 25m
Frontier
Tue 10/612:02 pm
DEN
- LAX
Nonstop2h 42m
Frontier
Deal found 6/24![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 6/22. 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.
Wed 8/56:00 am
LAS
- DEN
Nonstop2h 05m
Frontier
Wed 8/512:47 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/22![Frontier logo]()
$117
Best flights from California to DenverDiscover carefully curated flight deals from California to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
Discover carefully curated flight deals from California to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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.
Wed 7/226:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Thu 7/235:35 pm
DEN
- ONT
1 stop14h 57m
Frontier
Deal found 6/21![Frontier logo]()
$176
This Southwest deal was found by Cheapflights users on 6/24. 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.
Wed 7/157:45 pm
LAX
- DEN
Nonstop2h 20m
Southwest
Sat 7/188:40 pm
DEN
- LAX
Nonstop2h 35m
Southwest
Deal found 6/24![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sat 8/156:49 pm
LAX
- DEN
Nonstop2h 29m
United Airlines
Tue 8/185:45 pm
DEN
- LAX
Nonstop2h 34m
United Airlines
Deal found 6/22![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 6/25. 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 9/235:01 pm
SAN
- DEN
1 stop4h 39m
Delta
Thu 9/245:30 am
DEN
- SAN
1 stop4h 11m
Delta
Deal found 6/25![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/86:19 pm
LAS
- DEN
1 stop15h 14m
Alaska Airlines
Wed 7/1511:32 am
DEN
- LAS
1 stop7h 07m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Wed 9/237:30 am
SNA
- DEN
1 stop5h 19m
Multiple Airlines
Sun 9/2710:32 pm
DEN
- SNA
2 stops41h 31m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 6/25. 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.
Wed 10/75:30 am
ONT
- DEN
2 stops6h 05m
Southwest
Sat 10/108:45 am
DEN
- ONT
Nonstop2h 20m
Southwest
Deal found 6/25![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 6/23. 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 8/16:00 am
ONT
- DEN
1 stop4h 47m
Delta
Wed 8/56:28 pm
DEN
- ONT
1 stop6h 06m
Delta
Deal found 6/23![Delta logo]()
$197
This Super.com deal was found by Cheapflights users on 6/21. 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.
Thu 7/306:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Thu 8/68:45 am
DEN
- ONT
Nonstop2h 19m
Frontier
Deal found 6/21![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 6/25. 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 8/228:55 am
LAX
- DEN
Nonstop2h 20m
Southwest
Mon 8/248:05 am
DEN
- LAX
2 stops7h 25m
Southwest
Deal found 6/25![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 6/25. 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 8/151:06 pm
ONT
- DEN
1 stop5h 55m
Delta
Tue 8/185:35 am
DEN
- ONT
1 stop4h 17m
Delta
Deal found 6/25![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 6/25. 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.
Wed 8/197:30 am
LAX
- DEN
1 stop5h 50m
Southwest
Tue 8/2512:05 pm
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 6/25![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 6/24. 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.
Mon 8/171:06 pm
ONT
- DEN
1 stop5h 55m
Delta
Tue 8/186:28 pm
DEN
- ONT
1 stop6h 06m
Delta
Deal found 6/24![Delta logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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.
Wed 7/156:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Sun 7/1910:29 pm
DEN
- ONT
1 stop10h 34m
Frontier
Deal found 6/21![Frontier logo]()
$232
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/215:00 am
ONT
- DEN
Nonstop2h 20m
United Airlines
Tue 7/286:00 am
DEN
- ONT
1 stop7h 12m
United Airlines
Deal found 6/23![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/25. 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 9/1912:55 pm
LAX
- DEN
1 stop6h 15m
Southwest
Tue 9/2212:05 pm
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 6/25![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 6/24. 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 8/81:06 pm
ONT
- DEN
1 stop5h 55m
Delta
Mon 8/105:35 am
DEN
- ONT
1 stop4h 17m
Delta
Deal found 6/24![Delta logo]()
$210
This Southwest deal was found by Cheapflights users on 6/25. 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 8/183:25 pm
LAX
- DEN
1 stop5h 25m
Southwest
Wed 8/199:00 am
DEN
- LAX
2 stops6h 00m
Southwest
Deal found 6/25![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 12/35:00 am
ONT
- DEN
Nonstop2h 11m
United Airlines
Tue 12/87:05 pm
DEN
- ONT
Nonstop2h 15m
United Airlines
Deal found 6/25![United Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 6/25. 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 9/261:04 pm
ONT
- DEN
1 stop5h 36m
Delta
Mon 9/285:30 am
DEN
- ONT
1 stop4h 32m
Delta
Deal found 6/25![Delta logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 9/185:10 pm
OAK
- DEN
1 stop5h 34m
Alaska Airlines
Sun 9/206:17 am
DEN
- OAK
1 stop5h 49m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 8/221:18 pm
ONT
- DEN
Nonstop2h 21m
United Airlines
Mon 8/247:30 pm
DEN
- ONT
Nonstop2h 23m
United Airlines
Deal found 6/25![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 6/24. 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 8/82:35 pm
LAS
- DEN
Nonstop1h 55m
Southwest
Mon 8/107:00 pm
DEN
- LAS
Nonstop1h 55m
Southwest
Deal found 6/24![Southwest logo]()
$221
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 8/810:50 am
SMF
- DEN
Nonstop2h 26m
United Airlines
Wed 8/127:25 pm
DEN
- SMF
Nonstop2h 35m
United Airlines
Deal found 6/23![United Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 10/165:04 pm
OAK
- DEN
1 stop5h 48m
Alaska Airlines
Sun 10/186:58 pm
DEN
- OAK
1 stop17h 27m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 9/1010:54 am
SAN
- DEN
1 stop6h 27m
Delta
Mon 9/1410:45 am
DEN
- SAN
1 stop6h 11m
Delta
Deal found 6/25![Delta logo]()
$238
This Travelocity deal was found by Cheapflights users on 6/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:34 pm
LAS
- DEN
Nonstop2h 08m
Multiple Airlines
Thu 7/28:00 am
DEN
- LAS
1 stop6h 11m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 8/82:50 pm
OAK
- DEN
1 stop7h 40m
Alaska Airlines
Fri 8/147:59 pm
DEN
- OAK
1 stop14h 58m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 6/21. 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.
Fri 7/35:00 pm
LAX
- DEN
1 stop5h 05m
Southwest
Sat 7/186:35 am
DEN
- LAX
1 stop5h 20m
Southwest
Deal found 6/21![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 8/98:45 am
SNA
- DEN
Nonstop2h 24m
United Airlines
Wed 8/127:40 am
DEN
- SNA
Nonstop2h 27m
United Airlines
Deal found 6/22![United Airlines logo]()
$306
Last-minute flights from California to DenverDiscover last-minute flight deals from California to Denver. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from California to Denver. Data last updated June 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/22. 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 6/306:30 am
LAX
- DEN
Nonstop2h 32m
Frontier
Sat 7/47:00 am
DEN
- LAX
Nonstop2h 33m
Frontier
Deal found 6/22![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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.
Wed 7/16:30 am
LAX
- DEN
Nonstop2h 32m
Frontier
Wed 7/297:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Deal found 6/23![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 6/22. 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 7/146:00 am
LAS
- DEN
Nonstop2h 05m
Frontier
Sat 7/1810:29 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/22![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 7/156:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Wed 7/229:15 am
DEN
- LAX
1 stop4h 46m
Frontier
Deal found 6/22![Frontier logo]()
$127
This eDestinos deal was found by Cheapflights users on 6/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Sat 7/2510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 6/24![Frontier logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:00 am
LAS
- DEN
Nonstop2h 05m
Frontier
Wed 7/2210:29 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/24![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Mon 7/2012:59 am
LAS
- DEN
Nonstop1h 49m
Frontier
Tue 7/2812:47 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/22![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Mon 7/2012:59 am
LAS
- DEN
Nonstop1h 49m
Frontier
Sat 7/2510:29 pm
DEN
- LAS
Nonstop2h 00m
Frontier
Deal found 6/24![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/219:40 am
LAX
- DEN
Nonstop2h 33m
Frontier
Wed 7/229:15 am
DEN
- LAX
1 stop4h 46m
Frontier
Deal found 6/22![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/23. 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 7/216:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Wed 7/297:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Deal found 6/23![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Wed 7/226:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Mon 7/2710:36 pm
DEN
- LAX
1 stop15h 25m
Frontier
Deal found 6/21![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/286:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Tue 8/47:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Deal found 6/25![Frontier logo]()
$117
One-way flights from California to DenverSearch for one-way flight options from California to Denver. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
Search for one-way flight options from California to Denver. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Super.com deal was found by Cheapflights users on 6/23. 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 7/16:30 am
LAX
- DEN
Nonstop2h 32m
Frontier
Deal found 6/23![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 6/23. 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 7/36:30 am
LAX
- DEN
Nonstop2h 32m
Frontier
Deal found 6/23![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/2312:57 am
LAS
- DEN
Nonstop1h 51m
Frontier
Deal found 6/22![Frontier logo]()
$69
This Super.com deal was found by Cheapflights users on 6/23. 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.
Mon 8/316:00 am
LAS
- DEN
Nonstop2h 05m
Frontier
Deal found 6/23![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 6/24. 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 9/219:15 pm
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 6/24![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 6/24. 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.
Thu 9/109:15 pm
LAS
- DEN
Nonstop2h 00m
Frontier
Deal found 6/24![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 7/146:25 am
SAN
- DEN
Nonstop2h 38m
Frontier
Deal found 6/21![Frontier logo]()
$72
This Frontier deal was found by Cheapflights users on 6/22. 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 10/192:55 pm
ONT
- DEN
Nonstop2h 22m
Frontier
Deal found 6/22![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 6/21. 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.
Sat 7/256:25 am
SAN
- DEN
Nonstop2h 38m
Frontier
Deal found 6/21![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/1412:59 am
LAS
- DEN
Nonstop1h 51m
Frontier
Deal found 6/25![Frontier logo]()
$74
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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.
Sat 8/16:25 am
SAN
- DEN
Nonstop2h 38m
Frontier
Deal found 6/21![Frontier logo]()
$74
This Cheapflightsfares deal was found by Cheapflights users on 6/22. 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.
Tue 7/2810:00 am
SAN
- DEN
Nonstop2h 41m
Frontier
Deal found 6/22![Frontier logo]()
$75
Find flight deals from California to Denver
Keep the following information in mind while searching for California to Denver flight deals. Data was last updated June 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $106 (Cheapflightsfares) |
One-way from | $65 (Super.com) |
Popular in | June |
Cheapest in | September |
Average price | $274 |
Good round-trip deal | $127 or less |
Good one-way deal | $140 or less |
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 June 26, 2026.
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
Cheapest round-trip
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 7/22
6:00 am-9:24 am
Nonstop2h 24m
Denver Intl
Thu 7/23
5:35 pm-7:32 am
1 stop14h 57m
$176
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 7/15
7:45 pm-11:05 pm
Nonstop2h 20m
Denver Intl
Sat 7/18
8:40 pm-10:15 pm
Nonstop2h 35m
$177
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Sat 8/15
6:49 pm-10:18 pm
Nonstop2h 29m
Denver Intl
Tue 8/18
5:45 pm-7:19 pm
Nonstop2h 34m
$177
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 10/7
5:30 am-12:35 pm
2 stops6h 05m
Denver Intl
Sat 10/10
8:45 am-10:05 am
Nonstop2h 20m
$192
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Sat 8/22
8:55 am-12:15 pm
Nonstop2h 20m
Denver Intl
Mon 8/24
8:05 am-2:30 pm
2 stops7h 25m
$192
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Wed 9/23
5:01 pm-10:40 pm
1 stop4h 39m
Denver Intl
Thu 9/24
5:30 am-8:41 am
1 stop4h 11m
$197
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Sat 8/1
6:00 am-11:47 am
1 stop4h 47m
Denver Intl
Wed 8/5
6:28 pm-11:34 pm
1 stop6h 06m
$197
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Sat 8/15
1:06 pm-8:01 pm
1 stop5h 55m
Denver Intl
Tue 8/18
5:35 am-8:52 am
1 stop4h 17m
$197
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Thu 7/30
6:00 am-9:24 am
Nonstop2h 24m
Denver Intl
Thu 8/6
8:45 am-10:04 am
Nonstop2h 19m
$201
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 8/19
7:30 am-2:20 pm
1 stop5h 50m
Denver Intl
Tue 8/25
12:05 pm-5:30 pm
2 stops6h 25m
$202
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LAX-DEN
LAS-DEN
SAN-DEN
ONT-DEN
SMF-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 Denver
USCA-DEN
LAX-DEN
LAS-DEN
SAN-DEN
ONT-DEN
What is the cheapest month to book a flight from California to Denver?
Currently, January is the cheapest month in which you can book a flight from California to Denver (average of $209). Flying from California to Denver in June is currently the most expensive (average of $348). 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 June 26, 2026.
One of the essential ways to save on airfare from California to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.
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 June 26, 2026.
The most flights from USCA to DEN are scheduled on a Friday (100 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (58 on average).
How much does it cost to fly round-trip from California to Denver?
How far ahead should I book a flight from California to Denver?
Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from California to Denver?
Use this chart to determine the cheapest time to fly round-trip from California to Denver. Price data was last updated on June 20, 2026.
Travelers seeking maximum savings on their California to Denver flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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
Denver flight routes
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for California to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Search flights from California to Denver by cabin class
Find flights from California to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Denver flights
Browse other California and Denver flight options. Last updated on June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
California to Denver flights
Consider these flights traveling from California to Denver.
Top 8 airlines flying from California to Denver
Discover the top 8 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 June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$190 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$68 | Average$167 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$88 | Average$505 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$114 | Average$300 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$349 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$141 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$410 | FlexibilityNo cancel fee | On-time71% |