$70+ Cheap flights from Irvine, CA 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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Find cheap flights from Irvine 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.Cheapflights Tip: The best prices from Irvine to Denver Intl are usually found in September or October, booked 42 days in advance, depart on a Friday or Wednesday and return on a Thursday
Cheap flight deals from Irvine to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to DenverExplore the most affordable flight options available from Irvine to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
Explore the most affordable flight options available from Irvine to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/39:09 pm
LAX
- DEN
1 stop5h 39m
Frontier
Mon 8/1010:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/10![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/39:09 pm
LAX
- DEN
1 stop5h 39m
Frontier
Wed 8/510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/9![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Thu 8/62:01 pm
LAX
- DEN
1 stop6h 48m
Frontier
Mon 8/1010:13 pm
DEN
- LAX
1 stop14h 09m
Frontier
Deal found 7/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/82:01 pm
LAX
- DEN
1 stop6h 48m
Frontier
Tue 8/116:00 am
DEN
- LAX
1 stop6h 22m
Frontier
Deal found 7/10![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 7/8. 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 8/46:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Mon 8/1010:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/8![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/39:09 pm
LAX
- DEN
Nonstop2h 35m
Frontier
Mon 9/76:00 am
DEN
- LAX
1 stop6h 22m
Frontier
Deal found 7/8![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/132:01 pm
LAX
- DEN
1 stop4h 45m
Frontier
Mon 8/179:15 am
DEN
- LAX
1 stop4h 51m
Frontier
Deal found 7/9![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/41:56 pm
LAX
- DEN
1 stop6h 53m
Frontier
Fri 8/710:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/9![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 8/79:09 pm
LAX
- DEN
1 stop5h 41m
Frontier
Tue 8/117:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Deal found 7/10![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/186:55 am
LAX
- DEN
1 stop10h 05m
Frontier
Mon 8/249:15 am
DEN
- LAX
1 stop7h 05m
Frontier
Deal found 7/9![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/82:01 pm
LAX
- DEN
1 stop4h 46m
Frontier
Sat 8/156:00 am
DEN
- LAX
1 stop6h 22m
Frontier
Deal found 7/9![Frontier logo]()
$136
Best flights from Irvine to DenverDiscover carefully curated flight deals from Irvine to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
Discover carefully curated flight deals from Irvine to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:25 pm
LAX
- DEN
Nonstop2h 20m
Southwest
Sat 9/1911:25 am
DEN
- LAX
1 stop6h 50m
Southwest
Deal found 7/11![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 7/10. 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.
Wed 8/58:00 am
LAX
- DEN
Nonstop2h 28m
Delta
Wed 8/57:55 pm
DEN
- LAX
Nonstop2h 33m
Delta
Deal found 7/10![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 7/10. 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 11/112:29 pm
LAX
- DEN
Nonstop2h 27m
United Airlines
Fri 11/131:29 pm
DEN
- LAX
Nonstop2h 34m
United Airlines
Deal found 7/10![United Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 8/138:29 pm
LAX
- DEN
Nonstop2h 23m
Delta
Mon 8/177:41 am
DEN
- LAX
Nonstop2h 29m
Delta
Deal found 7/10![Delta logo]()
$168
This Southwest deal was found by Cheapflights users on 7/7. 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 12/55:50 pm
LAX
- DEN
Nonstop2h 20m
Southwest
Sat 12/128:45 pm
DEN
- LAX
Nonstop2h 35m
Southwest
Deal found 7/7![Southwest logo]()
$169
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 pm
LAX
- DEN
Nonstop2h 20m
Southwest
Sat 9/191:35 pm
DEN
- LAX
2 stops6h 15m
Southwest
Deal found 7/11![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/9. 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 9/177:45 pm
LAX
- DEN
Nonstop2h 15m
Southwest
Tue 9/299:00 am
DEN
- LAX
2 stops6h 00m
Southwest
Deal found 7/9![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:10 pm
LAX
- DEN
1 stop5h 15m
Southwest
Sat 9/121:35 pm
DEN
- LAX
2 stops6h 15m
Southwest
Deal found 7/11![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 7/7. 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 8/62:50 pm
LAX
- DEN
1 stop4h 20m
Southwest
Tue 8/118:55 pm
DEN
- LAX
Nonstop2h 30m
Southwest
Deal found 7/7![Southwest logo]()
$194
This Southwest deal was found by Cheapflights users on 7/8. 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 8/135:40 pm
LAX
- DEN
1 stop4h 00m
Southwest
Sat 8/151:35 pm
DEN
- LAX
2 stops6h 15m
Southwest
Deal found 7/8![Southwest logo]()
$209
Last-minute flights from Irvine to DenverDiscover last-minute flight deals from Irvine to Denver. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Denver. Data last updated July 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/39:09 pm
LAX
- DEN
1 stop5h 39m
Frontier
Mon 8/1010:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/10![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/39:09 pm
LAX
- DEN
1 stop5h 39m
Frontier
Wed 8/510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/9![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 7/8. 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 8/46:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Mon 8/1010:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/8![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/41:56 pm
LAX
- DEN
1 stop6h 53m
Frontier
Fri 8/710:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/9![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Thu 8/62:01 pm
LAX
- DEN
1 stop6h 48m
Frontier
Mon 8/1010:13 pm
DEN
- LAX
1 stop14h 09m
Frontier
Deal found 7/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 8/79:09 pm
LAX
- DEN
1 stop5h 41m
Frontier
Tue 8/117:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Deal found 7/10![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/82:01 pm
LAX
- DEN
1 stop6h 48m
Frontier
Tue 8/116:00 am
DEN
- LAX
1 stop6h 22m
Frontier
Deal found 7/10![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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 8/86:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Sat 8/810:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Deal found 7/7![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/82:01 pm
LAX
- DEN
1 stop4h 46m
Frontier
Sat 8/156:00 am
DEN
- LAX
1 stop6h 22m
Frontier
Deal found 7/9![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/132:01 pm
LAX
- DEN
1 stop4h 45m
Frontier
Mon 8/179:15 am
DEN
- LAX
1 stop4h 51m
Frontier
Deal found 7/9![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/186:55 am
LAX
- DEN
1 stop10h 05m
Frontier
Mon 8/249:15 am
DEN
- LAX
1 stop7h 05m
Frontier
Deal found 7/9![Frontier logo]()
$135
One-way flights from Irvine to DenverSearch for one-way flight options from Irvine to Denver. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
Search for one-way flight options from Irvine to Denver. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Trip.com deal was found by Cheapflights users on 7/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:10 pm
LAX
- DEN
1 stop5h 57m
Frontier
Deal found 7/9![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/82:01 pm
LAX
- DEN
1 stop6h 48m
Frontier
Deal found 7/9![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/212:39 pm
LAX
- DEN
1 stop7h 28m
Frontier
Deal found 7/8![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/179:09 pm
LAX
- DEN
1 stop5h 39m
Frontier
Deal found 7/9![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/1910:15 am
LAX
- DEN
1 stop24h 04m
Frontier
Deal found 7/8![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Tue 11/39:56 pm
LAX
- DEN
1 stop4h 56m
Frontier
Deal found 7/10![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 7/9. 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 9/76:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/9![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 11/162:39 pm
LAX
- DEN
1 stop7h 28m
Frontier
Deal found 7/9![Frontier logo]()
$78
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Mon 10/125:44 pm
LAX
- DEN
Nonstop2h 29m
United Airlines
Deal found 7/11![United Airlines logo]()
$79
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:35 am
LAX
- DEN
Nonstop2h 32m
American Airlines
Deal found 7/11![American Airlines logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 10/14:10 pm
LAX
- DEN
1 stop5h 57m
Frontier
Deal found 7/8![Frontier logo]()
$81
Find flight deals from Irvine to Denver
Keep the following information in mind while searching for Irvine to Denver flight deals. Data was last updated July 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $70 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $249 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine 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 July 12, 2026.
Use the filters below to find and compare flights from Irvine to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 9/17
3:25 pm-6:45 pm
Nonstop2h 20m
Denver Intl
Sat 9/19
11:25 am-5:15 pm
1 stop6h 50m
$167
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 8/5
8:00 am-11:28 am
Nonstop2h 28m
Denver Intl
Wed 8/5
7:55 pm-9:28 pm
Nonstop2h 33m
$167
Quickest round-trip
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 8/13
8:29 pm-11:52 pm
Nonstop2h 23m
Denver Intl
Mon 8/17
7:41 am-9:10 am
Nonstop2h 29m
$168
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Sat 12/5
5:50 pm-9:10 pm
Nonstop2h 20m
Denver Intl
Sat 12/12
8:45 pm-10:20 pm
Nonstop2h 35m
$169
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 9/16
12:25 pm-3:45 pm
Nonstop2h 20m
Denver Intl
Sat 9/19
1:35 pm-6:50 pm
2 stops6h 15m
$172
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 9/17
7:45 pm-11:00 pm
Nonstop2h 15m
Denver Intl
Tue 9/29
9:00 am-2:00 pm
2 stops6h 00m
$182
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 9/9
12:10 pm-6:25 pm
1 stop5h 15m
Denver Intl
Sat 9/12
1:35 pm-6:50 pm
2 stops6h 15m
$182
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 11/11
2:29 pm-5:56 pm
Nonstop2h 27m
Denver Intl
Fri 11/13
1:29 pm-3:03 pm
Nonstop2h 34m
$185
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 8/6
2:50 pm-8:10 pm
1 stop4h 20m
Denver Intl
Tue 8/11
8:55 pm-10:25 pm
Nonstop2h 30m
$194
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 8/13
5:40 pm-10:40 pm
1 stop4h 00m
Denver Intl
Sat 8/15
1:35 pm-6:50 pm
2 stops6h 15m
$209
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Irvine to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Irvine with our price prediction graph.
LAX-DEN
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Irvine to Denver
IR9-DEN
LAX-DEN
What is the cheapest time of day to fly from IR9 to DEN?
Find hourly flight availability from Irvine 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 July 12, 2026.
One of the essential ways to save on airfare from Irvine 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 26% on airfare.
Weekly flight availability from Irvine to Denver
Explore weekly flight availability from Irvine 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 July 12, 2026.
The most flights from IR9 to DEN are scheduled on a Friday (94 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (51 on average).
How much does it cost to fly round-trip from Irvine to Denver?
What is the cheapest day to fly from Irvine to Denver?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Denver. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Irvine to Denver flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 12, 2026.
Read through reviews of airlines operating flights from Irvine to Denver, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Irvine 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
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Alternative routes for Irvine to Denver
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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 July 12, 2026.
Search flights from Irvine to Denver by cabin class
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Irvine and Denver flights
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Popular flight searches
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Irvine to Denver flights
Consider these flights traveling from Irvine to Denver.
Top 7 airlines flying from Irvine to Denver
Discover the top 7 airlines that operate flights from Irvine 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 July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$29 | Average$163 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$95 | Average$272 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$324 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$141 | Average$306 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$316 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$151 | Average$327 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$425 | Average$563 | FlexibilityNo cancel fee | On-time75% |