$78+ Cheap flights from Irvine, CA to Denver (DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Oct 19 — Oct 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 February or October, booked 53 days in advance, depart on a Wednesday or Saturday 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 September 19, 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 September 19, 2026.
This Orbitz deal was found by Cheapflights users on 9/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
Nonstop2h 31m
Tue 12/810:50 pm -
1 stop17h 35m
Deal found 9/18![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/246:05 am -
Nonstop2h 25m
Mon 10/2610:55 pm -
Nonstop2h 34m
Deal found 9/19![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/146:05 am -
Nonstop2h 25m
Fri 10/1610:55 pm -
Nonstop2h 34m
Deal found 9/19![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/248:11 am -
1 stop8h 38m
Tue 10/2710:55 pm -
Nonstop2h 28m
Deal found 9/18![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 9/19. 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 10/216:05 am -
Nonstop2h 25m
Sat 10/249:00 am -
Nonstop2h 45m
Deal found 9/19![Frontier logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/135:15 pm -
1 stop5h 28m
Tue 10/207:31 am -
1 stop25h 18m
Deal found 9/18![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Wed 10/282:03 pm -
Nonstop2h 32m
Sat 10/311:10 pm -
Nonstop2h 36m
Deal found 9/16![Frontier logo]()
$106
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:01 pm -
Nonstop2h 33m
Tue 10/201:10 pm -
Nonstop2h 30m
Deal found 9/16![Frontier logo]()
$108
This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 am -
Nonstop2h 25m
Tue 10/1310:55 pm -
Nonstop2h 34m
Deal found 9/15![Frontier logo]()
$109
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 September 19, 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 September 19, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:20 am -
2 stops5h 55m
Sat 10/318:00 am -
1 stop4h 45m
Deal found 9/14![Southwest logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:05 pm -
1 stop6h 21m
Mon 11/97:03 am -
1 stop8h 18m
Deal found 9/15![Alaska Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 pm -
Nonstop2h 27m
Sun 11/296:00 am -
Nonstop2h 35m
Deal found 9/15![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:00 pm -
1 stop8h 55m
Tue 10/2010:45 am -
1 stop6h 46m
Deal found 9/16![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:15 am -
1 stop5h 10m
Mon 11/28:10 pm -
1 stop4h 15m
Deal found 9/14![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:10 pm -
Nonstop2h 28m
Mon 12/216:00 pm -
Nonstop2h 41m
Deal found 9/17![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/18. 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 11/117:20 am -
2 stops6h 10m
Sun 11/158:50 pm -
1 stop4h 20m
Deal found 9/18![Southwest logo]()
$284
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:00 am -
Nonstop2h 26m
Sun 11/296:00 am -
Nonstop2h 35m
Deal found 9/15![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 9/19. 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.
Sun 10/118:55 am -
Nonstop2h 15m
Fri 10/161:45 pm -
Nonstop2h 30m
Deal found 9/19![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 10/245:25 am -
2 stops5h 55m
Mon 10/261:15 pm -
2 stops5h 15m
Deal found 9/17![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 9/16. 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.
Thu 10/298:25 am -
1 stop3h 55m
Sun 11/17:15 pm -
2 stops5h 50m
Deal found 9/16![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 9/16. 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.
Thu 11/55:00 am -
2 stops5h 10m
Mon 11/97:15 pm -
2 stops5h 55m
Deal found 9/16![Southwest logo]()
$320
Last-minute flights from Irvine to DenverDiscover last-minute flight deals from Irvine to Denver. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Denver. Data last updated September 19, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/72:01 pm -
Nonstop2h 31m
Wed 10/1410:55 pm -
Nonstop2h 34m
Deal found 9/18![Frontier logo]()
$98
This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 am -
Nonstop2h 25m
Tue 10/1310:55 pm -
Nonstop2h 34m
Deal found 9/15![Frontier logo]()
$109
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/135:15 pm -
1 stop5h 28m
Tue 10/207:31 am -
1 stop25h 18m
Deal found 9/18![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/146:05 am -
Nonstop2h 25m
Fri 10/1610:55 pm -
Nonstop2h 34m
Deal found 9/19![Frontier logo]()
$102
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 am -
Nonstop2h 25m
Wed 10/2110:55 pm -
Nonstop2h 34m
Deal found 9/16![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 9/19. 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 10/216:05 am -
Nonstop2h 25m
Sat 10/249:00 am -
Nonstop2h 45m
Deal found 9/19![Frontier logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/246:05 am -
Nonstop2h 25m
Mon 10/2610:55 pm -
Nonstop2h 34m
Deal found 9/19![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/248:11 am -
1 stop8h 38m
Tue 10/2710:55 pm -
Nonstop2h 28m
Deal found 9/18![Frontier logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:42 am -
Nonstop2h 29m
Sat 10/319:10 am -
Nonstop2h 37m
Deal found 9/17![Frontier logo]()
$106
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 September 19, 2026.
Search for one-way flight options from Irvine to Denver. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:05 am -
Nonstop2h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$78
This Southwest deal was found by Cheapflights users on 9/17. 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.
Mon 11/25:40 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$79
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
Nonstop2h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 9/226:05 am -
Nonstop2h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 9/17. 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 10/911:40 am -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$82
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:31 pm -
Nonstop2h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:33 pm -
1 stop16h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 11/146:00 am -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 9/17. 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.
Wed 9/308:44 am -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 9/15. 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.
Wed 11/115:15 pm -
1 stop5h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$88
This Southwest deal was found by Cheapflights users on 9/17. 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.
Tue 12/158:55 am -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$89
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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $96 (Frontier) |
One-way from | $78 (Super.com) |
Popular in | July |
Cheapest in | February |
Average price | $232 |
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 7,457,451 searches. Data last updated September 19, 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
Quickest round-trip
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Tue 12/15
12:25 pm-3:45 pm
Nonstop2h 20m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$79
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Thu 12/17
8:30 am-11:57 am
Nonstop2h 27m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$79
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Mon 10/19
5:00 am-8:24 am
Nonstop2h 24m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$79
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Wed 12/2
6:40 am-10:05 am
Nonstop2h 25m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$79
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Mon 11/16
8:33 pm-11:59 pm
Nonstop2h 26m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$79
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Thu 11/5
12:00 pm-6:00 pm
1 stop5h 00m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$89
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Tue 11/3
7:20 am-2:30 pm
2 stops6h 10m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$94
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Tue 11/17
8:33 pm-11:59 pm
Nonstop2h 26m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$100
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Sat 12/12
7:00 am-2:24 pm
1 stop6h 24m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
Los AngelesDenver
LAX Los Angeles - DEN Denver Intl
LAXDEN
Los Angeles
Wed 11/4
7:20 am-2:30 pm
2 stops6h 10m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
Showing 1-10 of 22 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
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 September 19, 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 September 19, 2026.
The most flights from IR9 to DEN are scheduled on a Friday (100 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (40 on average).
How much does it cost to fly round-trip from Irvine to Denver?
Airfare is below average for this route at the moment.
Irvine to Denver flights typically cost between $147 and $308 in November.The cheapest round-trip price found within the last 5 days was $96 on Frontier (Nov 6-Nov 8).
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 September 12, 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 September 19, 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
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
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
Westminster
Lakewood
Centennial
Black Hawk
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Frisco
Winter Park
Limon
Englewood
Manitou Springs
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 Irvine 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 September 19, 2026.
Search flights from Irvine to Denver by cabin class
Find flights from Irvine to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and Denver flights
Browse other Irvine and Denver flight options. Last updated on September 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$349 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$338 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$166 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$327 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$537 | FlexibilityNo cancel fee | On-time75% |