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$73+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Denver Intl are usually found in January or September, booked 55 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Irvine to Denver

Keep the following information in mind while searching for Irvine to Denver flight deals. Data was last updated June 12, 2025.

Round-trip from

$133
(Frontier)

One-way from

$73
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$223
From Irvine to Denver Intl
Search Deals
One-way flight from Irvine to Denver Intl
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Highest demand for flights based on searches. 9% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Irvine to Denver

Cheapest flights from Irvine to Denver
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 June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:15 amLAX - DEN
Nonstop2h 36mFrontier
Mon 8/1110:55 pmDEN - LAX
Nonstop2h 32mFrontier
Deal found 6/10$133
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/3012:45 pmLAX - DEN
Nonstop2h 24mUnited Airlines
Sat 8/305:55 pmDEN - LAX
Nonstop2h 32mUnited Airlines
Deal found 6/11$140
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/58:20 pmLAX - DEN
Nonstop2h 24mDelta
Wed 8/612:30 pmDEN - LAX
Nonstop2h 26mDelta
Deal found 6/10$151
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:58 pmLAX - DEN
1 stop7h 01mHawaiian Airlines
Sun 11/96:43 pmDEN - LAX
1 stop6h 20mHawaiian Airlines
Deal found 6/10$246
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/47:46 amLAX - DEN
Nonstop2h 24mAmerican Airlines
Fri 7/45:36 pmDEN - LAX
Nonstop2h 42mAmerican Airlines
Deal found 6/11$278

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 June 12, 2025.
Use the filters below to find and compare flights from Irvine to Denver that are best for you.

Fly from

Irvine

Fly to

Denver

Route

Depart

Return

Price

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Sat 8/9

6:15 am-9:51 am

Nonstop2h 36m

Denver Intl

Mon 8/11

10:55 pm-12:27 am

Nonstop2h 32m

$133

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Sat 8/30

12:45 pm-4:09 pm

Nonstop2h 24m

Denver Intl

Sat 8/30

5:55 pm-7:27 pm

Nonstop2h 32m

$140

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 8/5

8:20 pm-11:44 pm

Nonstop2h 24m

Denver Intl

Wed 8/6

12:30 pm-1:56 pm

Nonstop2h 26m

$151

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Thu 11/6

3:58 pm-11:59 pm

1 stop7h 01m

Denver Intl

Sun 11/9

6:43 pm-12:03 am

1 stop6h 20m

$246

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 8/6

8:05 am-3:10 pm

2 stops6h 05m

Denver Intl

Wed 8/13

8:20 am-1:15 pm

1 stop5h 55m

$252

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Mon 8/25

10:42 pm-5:21 pm

2 stops17h 39m

Denver Intl

Thu 8/28

11:40 am-5:18 pm

1 stop6h 38m

$274

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 6/24

6:10 am-11:29 am

1 stop4h 19m

Denver Intl

Tue 6/24

6:47 pm-9:54 pm

1 stop4h 07m

$279

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Sat 8/9

7:06 am-10:30 am

Nonstop2h 24m

$73

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Thu 8/7

8:20 pm-11:44 pm

Nonstop2h 24m

$79

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Mon 9/15

3:48 pm-3:59 am

1 stop11h 11m

$82

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 15 results
1
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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.
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

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Denver, you should look to book at least 55 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, October is the cheapest month in which you can book a flight from Irvine to Denver (average of $197). Flying from Irvine to Denver in March is currently the most expensive (average of $278). 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 June 12, 2025.

When flying from Irvine to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 June 8, 2025.

Travelers seeking maximum savings on their Irvine to Denver flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday 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 June 12, 2025.

The most flights from IR9 to DEN are scheduled on a Wednesday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (61 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Irvine to Denver. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly into for flights to Denver from Irvine?

    If you book a flight to Denver from Irvine, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 84 flights from Irvine to Denver Intl per day from 5 different airlines.

  • How popular is this Irvine to Denver flight route?

    This flight path from Irvine to Denver Intl was viewed by 374 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Irvine to Denver one-way?

    One-way options have recently been found by users for as low as $73 on United Airlines. Other airlines that offer cheap prices include Delta from $79 and Southwest from $84 one-way.

  • What are the most reliable airlines from Irvine to Denver?

    No one likes to see their flight delayed. When booking a flight from Irvine to Denver consider choosing EL AL (91%), Frontier (85%) or Air France (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Irvine to Denver?

    On average you can expect to pay $902 for a flight from Irvine to Denver. The cheapest flight overall is $75 while the most popular route, (Los Angeles - Denver Intl) is currently priced at $120.

  • Can I find deals for flights from Irvine to Denver that include hotel bookings?

    Yes. In addition to deals on Irvine to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Denver.

  • Can I find deals for business class flights from Irvine to Denver?

    Yes. Cheapflights offers flight deals from Irvine to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irvine to Denver?

    Currently, October is the cheapest month in which you can book a flight from Irvine to Denver (average of $197). Flying from Irvine to Denver in March is currently the most expensive (average of $278). 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.

See more FAQs

Traveling to a place near Irvine?

Book flights to Irvine if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
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Idaho Springs
Greeley
Limon

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Top 5 airlines flying from Irvine to Denver

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$135FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$103Average$282FlexibilityNo cancel feeOn-time63%
DeltaCheapest$116Average$275FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$130Average$304FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$139Average$232FlexibilityNo cancel feeOn-time71%

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