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$59+ Cheap flights from Los Angeles to Denver (LAX - 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Los Angeles to Denver Intl are usually found in January or October, booked 75 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Los Angeles to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$86
(Frontier)

One-way from

$59
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$162

Good round-trip deal

$153 or less

Good one-way deal

$128 or less
From Los Angeles to Denver Intl
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One-way flight from Los Angeles to Denver Intl
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Highest demand for flights based on searches. 10% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Los Angeles to Denver Intl.
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Price to beat on a one-way flight from Los Angeles to Denver Intl.
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Find flight deals from Los Angeles to Denver

Cheapest flights from Los Angeles to Denver
Explore the most affordable flight options available from Los Angeles to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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.
Fri 10/39:03 pmLAX - DEN
Nonstop2h 33mFrontier
Sat 10/46:39 pmDEN - LAX
Nonstop2h 34mFrontier
Deal found 9/10$87
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:44 amLAX - DEN
Nonstop2h 34mFrontier
Fri 10/176:00 amDEN - LAX
Nonstop2h 35mFrontier
Deal found 9/10$89
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:17 pmLAX - DEN
Nonstop2h 35mFrontier
Sun 10/266:00 amDEN - LAX
Nonstop2h 35mFrontier
Deal found 9/10$90
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:37 pmLAX - DEN
Nonstop2h 36mFrontier
Tue 9/3010:55 pmDEN - LAX
Nonstop2h 32mFrontier
Deal found 9/10$93
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:31 amLAX - DEN
Nonstop2h 32mFrontier
Sun 12/1410:51 pmDEN - LAX
Nonstop2h 39mFrontier
Deal found 9/11$94
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:20 amLAX - DEN
Nonstop2h 36mFrontier
Sat 10/46:39 pmDEN - LAX
Nonstop2h 34mFrontier
Deal found 9/10$98
This Frontier deal was found by Cheapflights users on 9/9. 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 9/276:45 amLAX - DEN
Nonstop2h 33mFrontier
Tue 9/3010:55 pmDEN - LAX
Nonstop2h 32mFrontier
Deal found 9/9$99
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:20 amLAX - DEN
Nonstop2h 36mMultiple Airlines
Tue 10/71:44 pmDEN - LAX
1 stop8h 41mMultiple Airlines
Deal found 9/10$103
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:20 amLAX - DEN
Nonstop2h 36mFrontier
Sat 10/1110:55 pmDEN - LAX
Nonstop2h 30mFrontier
Deal found 9/10$104
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 10/24:31 pmLAX - DEN
1 stop5h 17mFrontier
Fri 10/36:34 pmDEN - LAX
Nonstop2h 34mFrontier
Deal found 9/10$106
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:32 pmLAX - DEN
1 stop11h 28mFrontier
Mon 10/610:55 pmDEN - LAX
Nonstop2h 32mFrontier
Deal found 9/10$107
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:44 amLAX - DEN
Nonstop2h 34mFrontier
Sun 10/126:00 amDEN - LAX
1 stop4h 26mFrontier
Deal found 9/10$108

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles 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 September 11, 2025.
Use the filters below to find and compare flights from Los Angeles to Denver that are best for you.

Fly from

Los Angeles

Fly to

Denver

Route

Depart

Return

Price

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 10/1

6:00 am-12:00 pm

1 stop5h 00m

Denver Intl

Tue 10/14

6:23 pm-11:54 pm

1 stop6h 31m

$137

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Mon 11/10

10:21 am-9:49 pm

1 stop10h 28m

Denver Intl

Thu 11/13

6:00 am-3:22 pm

1 stop10h 22m

$143

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 9/24

1:23 pm-9:22 pm

1 stop6h 59m

Denver Intl

Mon 9/29

6:00 am-1:08 pm

1 stop8h 08m

$144

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Sat 10/4

9:50 am-2:50 pm

1 stop4h 00m

Denver Intl

Wed 10/8

5:30 am-10:53 am

1 stop6h 23m

$145

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Sat 11/1

5:45 am-11:47 am

1 stop5h 02m

Denver Intl

Sat 11/1

6:23 pm-10:50 pm

1 stop5h 27m

$153

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Thu 10/2

8:04 am-11:28 am

Nonstop2h 24m

Denver Intl

Sun 10/5

6:30 am-8:01 am

Nonstop2h 31m

$157

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Fri 10/3

7:00 pm-10:27 pm

Nonstop2h 27m

Denver Intl

Sun 10/5

8:00 am-9:30 am

Nonstop2h 30m

$165

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Thu 10/9

12:54 pm-4:17 pm

Nonstop2h 23m

Denver Intl

Mon 10/13

6:00 am-7:30 am

Nonstop2h 30m

$165

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Fri 10/17

8:25 pm-11:50 pm

Nonstop2h 25m

Denver Intl

Sun 10/19

6:15 am-7:45 am

Nonstop2h 30m

$165

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Fri 10/3

2:59 pm-6:22 pm

Nonstop2h 23m

Denver Intl

Sun 10/5

6:30 am-8:01 am

Nonstop2h 31m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 24 results
1
2
3

The best insider tips for Los Angeles to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Los Angeles to Denver trip
Airlines
Frontier

Frontier offers UpFront Plus seats with a guaranteed empty middle seat for extra comfort.


Frontier's Economy Bundle includes a carry-on bag, seat selection, and no cancellation fees.

Read more about Frontierby Marisa Garcia
United Airlines

Basic Economy on United allows only a personal item, no carry-on bags without extra fees.


United Economy Plus offers extra legroom seats at the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Southwest

Enjoy free snacks and non-alcoholic beverages, plus a complimentary drink on special occasions.


Southwest offers free messaging and high-speed Wi-Fi for a fee on all flights.

Read more about Southwestby Marisa Garcia
Airports
LAX

For shorter security lines, try the Tom Bradley International Terminal, especially in the morning and midday hours.

Read more about LAXby Ramsey Qubein
DEN

Use the A Line train for a 37-minute ride from DEN to Union Station, running every 15 minutes.

Read more about DENby Emily Zemler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAX

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Los Angeles to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Los Angeles 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 Los Angeles to Denver

How far ahead should I book a flight from Los Angeles to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Denver. Price data was last updated on August 29, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Los Angeles to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Los Angeles to Denver?

Currently, October is the cheapest month in which you can book a flight from Los Angeles to Denver (average of $197). Flying from Los Angeles 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 LAX to DEN?

Find hourly flight availability from Los Angeles 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 11, 2025.

It’s optimal to fly from Los Angeles to Denver in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Los Angeles to Denver?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Denver. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Los Angeles to Denver flight should consider departing on Saturday afternoons 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.

How much does it cost to fly round-trip from Los Angeles to Denver?

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 11, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Los Angeles to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Los Angeles to Denver?

    Booking a flight from Los Angeles (LAX) to Denver Intl (DEN) is your only option if you wish to fly from Los Angeles to Denver. On a typical day, there are 75 flights from Los Angeles to Denver Intl, all of which are around 2h 18m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Los Angeles to Denver.

  • How popular is this Los Angeles to Denver flight route?

    The Los Angeles to Denver Intl flight path was viewed by 401 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Los Angeles to Denver?

    Delta and Frontier can get you from Los Angeles to Denver in just under 5h. Your travel time can differ by up to 5h 28m. The distance between Los Angeles and Denver is about 860 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Los Angeles to Denver round-trip?

    According to our current data, Frontier ($57), Delta ($116), and Southwest ($139) offers the cheapest pricing from Los Angeles to Denver. Users have found that Frontier is 69% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Los Angeles to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Los Angeles to Denver on time: Air France (85%), Cathay Pacific (84%), SkyWest Airlines (84%).

  • What are the cheapest flights from Los Angeles to Denver?

    On average you can expect to pay $721 for a flight from Los Angeles to Denver. The cheapest flight overall is $70 while the most popular route, (Los Angeles - Denver Intl) is currently priced at $73.

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

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

  • How can I find direct flights from Los Angeles to Denver?

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

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

    Yes. Cheapflights offers flight deals from Los Angeles 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 Los Angeles to Denver?

    Currently, October is the cheapest month in which you can book a flight from Los Angeles to Denver (average of $197). Flying from Los Angeles 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Broomfield
Greeley
Lone Tree
Lakewood
Cripple Creek
Thornton
Silverthorne
Frisco
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Los Angeles to Denver

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Top 5 airlines flying from Los Angeles to Denver

Discover the top 5 airlines that operate flights from Los Angeles 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$145FlexibilityNo cancel feeOn-time62%
DeltaCheapest$116Average$226FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$139Average$237FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$149Average$252FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$155Average$290FlexibilityNo cancel feeOn-time69%

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