$50 Cheap Flights from Los Angeles (LAX) to Denver (DEN)

View $50 flight on Wed, May 21, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Los Angeles to Denver (LAX-DEN)

Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 3 - Wed, May 7
LAX
Los Angeles
DEN
Denver
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 3 from Los Angeles to Denver, returning Wed, May 7, priced at $100 just found
Frontier Airlines
Tue, May 13 - Thu, May 22
LAX
Los Angeles
DEN
Denver
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 13 from Los Angeles to Denver, returning Thu, May 22, priced at $119 found 1 day ago
Frontier Airlines
Tue, May 20 - Tue, May 27
LAX
Los Angeles
DEN
Denver
$123 Roundtrip, just found
$123
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 20 from Los Angeles to Denver, returning Tue, May 27, priced at $123 just found
Frontier Airlines
Fri, May 9 - Tue, May 13
LAX
Los Angeles
DEN
Denver
$124 Roundtrip, just found
$124
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 9 from Los Angeles to Denver, returning Tue, May 13, priced at $124 just found
Frontier Airlines
Tue, May 20 - Tue, May 27
LAX
Los Angeles
DEN
Denver
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 20 from Los Angeles to Denver, returning Tue, May 27, priced at $133 just found
Frontier Airlines
Fri, May 9 - Tue, May 13
LAX
Los Angeles
DEN
Denver
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 9 from Los Angeles to Denver, returning Tue, May 13, priced at $134 just found
Frontier Airlines
Sat, May 10 - Thu, May 15
LAX
Los Angeles
DEN
Denver
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 10 from Los Angeles to Denver, returning Thu, May 15, priced at $139 just found
Southwest Airlines
Wed, May 14 - Wed, May 21
LAX
Los Angeles
DEN
Denver
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, May 14 from Los Angeles to Denver, returning Wed, May 21, priced at $159 found 4 hours ago
United
Wed, May 21 - Thu, May 22
LAX
Los Angeles
DEN
Denver
$177 Roundtrip, just found
$177
Roundtrip
just found
Select United flight, departing Wed, May 21 from Los Angeles to Denver, returning Thu, May 22, priced at $177 just found
Alaska Airlines
Wed, May 28 - Fri, May 30
LAX
Los Angeles
DEN
Denver
$199 Roundtrip, found 15 hours ago
$199
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Wed, May 28 from Los Angeles to Denver, returning Fri, May 30, priced at $199 found 15 hours ago
Flights from Los Angeles (LAX) to Denver (DEN)
Origin airport
Los Angeles Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$100
Distance
860 mi

Los Angeles to Denver Flights

The cheapest times to fly from Los Angeles to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Los Angeles to Denver are during the month of May. You can find some of the cheapest flights from Los Angeles to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Los Angeles to Denver

Sunday is one of the best days to book for cheap flights from Los Angeles to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Los Angeles to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Los Angeles to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $50 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Los Angeles to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Los Angeles to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) cost?
Score cheap return tickets from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) starting from $132. Snag a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and Frontier Airlines flight leaving LAX on May 19 2025 and touching down at DEN. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from LAX to DEN?
The cheapest flights from LAX to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
Fly direct from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) with 5 carriers, including:

  • United Airlines
  • Southwest Airlines
  • Delta Air Lines
  • American Airlines
  • Frontier Airlines

What is the cheapest airline that flies from LAX to DEN?
With tickets starting at $69 for a one-way flight from LAX to DEN, American Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAX on May 21 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
With an average of 20 nonstop flights that operate from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) every day, you’ll be taking off on vacation soon enough.
What are the most popular departure times for flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
Flights between LAX and DEN are their busiest at 8 AM. For a less crowded experience and potentially cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from LAX to DEN?
If you fly on a Thursday, you’ll get the largest range of options for flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN).
What is the earliest flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
The first flight of the day out of Los Angeles Intl. Airport (LAX) is at around 5:00AM UTC-8. Board this plane and you’ll reach Denver Intl. Airport (DEN) at approximately 8:27AM UTC-7. The total travel time is 2h 27m.
How long does it take to fly from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
The average flight time from LAX to DEN is 2 hours and 27 minutes, covering a distance of 860 mi.
What airline has the least delays from LAX to DEN?
Consider booking with American Airlines if you’d like to fly straight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) without any delays. This airline has the strongest track record for punctuality, with an on-time score of 86%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
To land at Denver Intl. Airport (DEN) without delays, select a flight that takes off from Los Angeles Intl. Airport (LAX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Denver from Los Angeles Intl. Airport (LAX)?
Compare your flight options from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN). This is the only airport in Denver you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) last-minute?
Last-minute fares from LAX to DEN are usually more expensive. For the best rates, start searching for flights early. That being said, if you can play around with your travel dates, it’s possible to score a cheap ticket right before your trip.
Is it cheaper to book a LAX to DEN flight and hotel package?
You’ll generally save money by booking a LAX to DEN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
In most instances, you can cancel or reschedule your LAX to DEN flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you need more details, go to our Customer Service portal.

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*Available to One Key members.