Colorado

Cheap flights from Irvine, CA to Colorado

LAX — DEN
Dec 3 — Dec 101
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Find flight deals from Irvine to Colorado

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

February

Average price

$262
Provider with most accurate pricing for Los Angeles-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Denver Intl flights.
Highest demand for flights based on searches. 10% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Insights

Everything you need to know about your flight from Irvine to Colorado

What is the cheapest time of day to fly from IR9 to CO?

It’s optimal to fly from Irvine to Colorado in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Irvine to Colorado?

Travelers seeking maximum savings on their Irvine to Colorado flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Colorado

Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Irvine to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

  • How popular is this Irvine to Colorado flight route?

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

    One-way options have recently been found by users for as low as $29 on Frontier. Other airlines that offer cheap prices include Allegiant Air from $52 and Southwest from $78 one-way.

  • What are the most popular routes from Irvine to Colorado?

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

    Consider United Airlines (92%), Asiana Airlines (92%) or LATAM Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from Irvine to Colorado.

  • What are the cheapest flights from Irvine to Colorado?

    Looking at all options, your cheapest flight can be booked for $82. While the most popular route (Los Angeles - Denver Intl) can be booked for $47 on average, our data indicates $746 when flying from Irvine to Colorado.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Irvine to Colorado

Top 9 airlines flying from Irvine to Colorado

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$188FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$91Average$130FlexibilityNo cancel feeOn-time88%
DeltaCheapest$99Average$318FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$128Average$218FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$139Average$302FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$157Average$382FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$157Average$428FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$170Average$384FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$300Average$599FlexibilityNo cancel feeOn-time75%

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