$65+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Apr 17 — Apr 241
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 May, booked 70 days in advance, depart on a Friday or Tuesday and return on a Friday
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 March 18, 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 March 18, 2026.
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.
Thu 4/232:44 pm
LAX
- DEN
Nonstop2h 32m
Frontier
Tue 4/289:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/13![Frontier logo]()
$86
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
LAX
- DEN
Nonstop2h 32m
Frontier
Tue 4/219:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/15![Frontier logo]()
$87
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:40 am
LAX
- DEN
Nonstop2h 32m
Frontier
Tue 5/1210:39 pm
DEN
- LAX
Nonstop2h 37m
Frontier
Deal found 3/15![Frontier logo]()
$88
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:15 am
LAX
- DEN
Nonstop2h 32m
Frontier
Wed 4/299:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/15![Frontier logo]()
$89
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:24 pm
LAX
- DEN
Nonstop2h 28m
Frontier
Mon 5/410:29 pm
DEN
- LAX
Nonstop2h 42m
Frontier
Deal found 3/13![Frontier logo]()
$90
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 5/76:30 am
LAX
- DEN
Nonstop2h 34m
Frontier
Mon 5/1110:39 pm
DEN
- LAX
Nonstop2h 37m
Frontier
Deal found 3/15![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 3/17. 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 5/78:59 pm
LAX
- DEN
Nonstop2h 39m
Frontier
Sat 5/910:39 pm
DEN
- LAX
Nonstop2h 37m
Frontier
Deal found 3/17![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 3/17. 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 4/214:17 pm
LAX
- DEN
Nonstop2h 32m
Frontier
Sat 4/259:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/17![Frontier logo]()
$94
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.
Mon 5/46:15 am
LAX
- DEN
Nonstop2h 30m
Frontier
Sat 5/910:39 pm
DEN
- LAX
Nonstop2h 37m
Frontier
Deal found 3/13![Frontier logo]()
$97
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:40 am
LAX
- DEN
Nonstop2h 32m
Frontier
Thu 5/710:39 pm
DEN
- LAX
Nonstop2h 37m
Frontier
Deal found 3/15![Frontier logo]()
$98
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.
Mon 5/46:15 am
LAX
- DEN
Nonstop2h 30m
Frontier
Mon 5/410:29 pm
DEN
- LAX
Nonstop2h 42m
Frontier
Deal found 3/13![Frontier logo]()
$99
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:15 am
LAX
- DEN
Nonstop2h 30m
Frontier
Sun 5/36:00 am
DEN
- LAX
Nonstop2h 41m
Frontier
Deal found 3/13![Frontier logo]()
$100
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 March 18, 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 March 18, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:35 am
LAX
- DEN
1 stop5h 30m
Southwest
Wed 4/296:55 pm
DEN
- LAX
1 stop4h 05m
Southwest
Deal found 3/13![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 3/17. 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 5/22:30 pm
LAX
- DEN
Nonstop2h 25m
Delta
Mon 5/47:25 am
DEN
- LAX
Nonstop2h 36m
Delta
Deal found 3/17![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/65:00 am
LAX
- DEN
Nonstop2h 26m
United Airlines
Sat 4/117:45 am
DEN
- LAX
Nonstop2h 36m
United Airlines
Deal found 3/16![United Airlines logo]()
$257
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 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:35 pm
LAX
- DEN
Nonstop2h 25m
Southwest
Mon 4/208:55 pm
DEN
- LAX
Nonstop2h 30m
Southwest
Deal found 3/13![Southwest logo]()
$199
This Delta deal was found by Cheapflights users on 3/17. 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 4/187:59 pm
LAX
- DEN
Nonstop2h 20m
Delta
Sun 4/197:25 am
DEN
- LAX
Nonstop2h 36m
Delta
Deal found 3/17![Delta logo]()
$257
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:20 pm
LAX
- DEN
2 stops5h 20m
Southwest
Tue 4/216:45 am
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 3/15![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 3/16. 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 4/212:20 pm
LAX
- DEN
2 stops5h 20m
Southwest
Wed 4/226:45 am
DEN
- LAX
2 stops6h 25m
Southwest
Deal found 3/16![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 3/16. 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 4/184:35 pm
LAX
- DEN
Nonstop2h 25m
Southwest
Sun 4/198:30 am
DEN
- LAX
Nonstop2h 30m
Southwest
Deal found 3/16![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 3/17. 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 4/1712:10 pm
LAX
- DEN
1 stop5h 05m
Southwest
Sat 4/1812:55 pm
DEN
- LAX
2 stops5h 45m
Southwest
Deal found 3/17![Southwest logo]()
$282
Last-minute flights from Irvine to DenverDiscover last-minute flight deals from Irvine to Denver. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Denver. Data last updated March 18, 2026 and is based on user searches.
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
LAX
- DEN
Nonstop2h 32m
Frontier
Tue 4/219:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/15![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 4/144:17 pm
LAX
- DEN
Nonstop2h 32m
Frontier
Fri 4/176:00 am
DEN
- LAX
Nonstop2h 41m
Frontier
Deal found 3/16![Frontier logo]()
$103
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:24 pm
LAX
- DEN
Nonstop2h 28m
Frontier
Mon 4/206:00 am
DEN
- LAX
Nonstop2h 41m
Frontier
Deal found 3/13![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 3/17. 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 4/214:17 pm
LAX
- DEN
Nonstop2h 32m
Frontier
Sat 4/259:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/17![Frontier logo]()
$94
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:15 am
LAX
- DEN
Nonstop2h 32m
Frontier
Wed 4/299:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/13![Frontier logo]()
$88
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.
Thu 4/232:44 pm
LAX
- DEN
Nonstop2h 32m
Frontier
Tue 4/289:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/13![Frontier logo]()
$86
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
LAX
- DEN
Nonstop2h 30m
Frontier
Mon 4/2710:29 pm
DEN
- LAX
Nonstop2h 42m
Frontier
Deal found 3/13![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 3/17. 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.
Tue 4/284:17 pm
LAX
- DEN
Nonstop2h 32m
Frontier
Sat 5/29:30 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Deal found 3/17![Frontier logo]()
$93
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.
Wed 4/293:49 pm
LAX
- DEN
1 stop4h 55m
Frontier
Wed 5/610:39 pm
DEN
- LAX
Nonstop2h 37m
Frontier
Deal found 3/13![Frontier logo]()
$101
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:15 am
LAX
- DEN
Nonstop2h 30m
Frontier
Sun 5/36:00 am
DEN
- LAX
Nonstop2h 41m
Frontier
Deal found 3/13![Frontier logo]()
$100
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 March 18, 2026.
Search for one-way flight options from Irvine to Denver. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 5/1910:20 pm
LAX
- DEN
1 stop20h 05m
Frontier
Deal found 3/17![Frontier logo]()
$65
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.
Wed 5/279:40 am
LAX
- DEN
Nonstop2h 32m
Frontier
Deal found 3/15![Frontier logo]()
$66
This CheapOair deal was found by Cheapflights users on 3/17. 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.
Wed 6/34:31 pm
LAX
- DEN
Nonstop2h 35m
Frontier
Deal found 3/17![Frontier logo]()
$69
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.
Mon 4/134:07 pm
LAX
- DEN
1 stop10h 52m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$70
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.
Mon 4/1310:53 pm
LAX
- DEN
1 stop24h 26m
Frontier
Deal found 3/14![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 3/17. 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 4/108:58 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 3/17![Frontier logo]()
$73
This WAYA deal was found by Cheapflights users on 3/17. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:53 pm
LAX
- DEN
1 stop9h 12m
Frontier
Deal found 3/17![Frontier logo]()
$75
This Trip.com deal was found by Cheapflights users on 3/17. 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.
Tue 3/316:30 pm
LAX
- DEN
1 stop8h 29m
Frontier
Deal found 3/17![Frontier logo]()
$78
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 March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $86 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $243 |
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 March 18, 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 Los Angeles
Wed 4/29
6:35 am-1:05 pm
1 stop5h 30m
Denver Intl
Wed 4/29
6:55 pm-10:00 pm
1 stop4h 05m
$197
Quickest round-trip
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Sat 4/18
4:35 pm-8:00 pm
Nonstop2h 25m
Denver Intl
Mon 4/20
8:55 pm-10:25 pm
Nonstop2h 30m
$199
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Sat 5/2
2:30 pm-5:55 pm
Nonstop2h 25m
Denver Intl
Mon 5/4
7:25 am-9:01 am
Nonstop2h 36m
$237
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Tue 4/14
2:20 pm-8:40 pm
2 stops5h 20m
Denver Intl
Tue 4/21
6:45 am-12:10 pm
2 stops6h 25m
$247
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Mon 4/6
5:00 am-8:26 am
Nonstop2h 26m
Denver Intl
Sat 4/11
7:45 am-9:21 am
Nonstop2h 36m
$257
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Sat 4/18
7:59 pm-11:19 pm
Nonstop2h 20m
Denver Intl
Sun 4/19
7:25 am-9:01 am
Nonstop2h 36m
$257
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Tue 4/21
2:20 pm-8:40 pm
2 stops5h 20m
Denver Intl
Wed 4/22
6:45 am-12:10 pm
2 stops6h 25m
$257
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Sat 4/18
4:35 pm-8:00 pm
Nonstop2h 25m
Denver Intl
Sun 4/19
8:30 am-10:00 am
Nonstop2h 30m
$273
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Mon 5/4
3:45 pm-11:59 pm
1 stop7h 14m
Denver Intl
Wed 5/6
6:00 am-1:43 pm
1 stop8h 43m
$277
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles Los Angeles
Fri 4/17
12:10 pm-6:15 pm
1 stop5h 05m
Denver Intl
Sat 4/18
12:55 pm-5:40 pm
2 stops5h 45m
$282
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
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 Irvine to Denver
IR9-DEN
LAX-DEN
How far ahead should I book a flight from Irvine to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Denver. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to Denver, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Irvine to Denver?
Currently, August is the cheapest month in which you can book a flight from Irvine to Denver (average of $45). Flying from Irvine to Denver in March is currently the most expensive (average of $77). 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 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 March 18, 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 27% on airfare.
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 March 14, 2026.
Travelers seeking maximum savings on their Irvine to Denver flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 18, 2026.
The most flights from IR9 to DEN are scheduled on a Monday (83 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (54 on average).
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 March 18, 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.
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
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
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Englewood
Fort Morgan
Brighton
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Other flights to Denver
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Top 6 airlines flying from Irvine to Denver
Discover the top 6 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$154 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$66 | Average$213 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$294 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$135 | Average$300 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$282 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$148 | Average$260 | FlexibilityNo cancel fee | On-time71% |