$88 Cheap Alaska Airlines flights Los Angeles (LAX) to Denver (DEN)

View $88 flight on Thu, Sep 11, 2025Opens in a new window

$88 Cheap Alaska Airlines flights Los Angeles (LAX) to Denver (DEN)

Prices were available within the past 7 days and start at $88 for one-way flights and $142 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Sep 11 - Mon, Sep 15
LAX
Los Angeles
DEN
Denver
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Sep 11 from Los Angeles to Denver, returning Mon, Sep 15, priced at $142 just found
Alaska Airlines
Wed, Nov 12 - Wed, Nov 19
LAX
Los Angeles
DEN
Denver
$176 Roundtrip, just found
$176
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Nov 12 from Los Angeles to Denver, returning Wed, Nov 19, priced at $176 just found
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, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
860 mi
Average flight time
3 hours 23 mins

Frequently asked questions

How much is an Alaska Airlines flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
Set the "Price (lowest to highest)" filter on Expedia to look for cheap Alaska Airlines round-trip flights from $142 from LAX to DEN. Affordable one-way tickets from $88 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAX to DEN with Alaska Airlines?
Alaska Airlines flights to Denver are usually cheaper in the off-peak months of January and November. Whether you're after a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) with Alaska Airlines?
Start searching one to three months ahead of your departure date to get cheaper fares on Alaska Airlines flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
Simply enter your dates, hit search and tick the "Nonstop" filter on Expedia to browse any direct flights from LAX to DEN with Alaska Airlines or other airlines.
What is the earliest Alaska Airlines flight from LAX to DEN?
Sort your results by "Early Morning" and "Morning" to find the earliest departures from LAX to DEN. Leaving early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Denver?
Alaska Airlines flights from Los Angeles Intl. Airport (LAX) to Denver touch down at Denver Intl. Airport (DEN). This is the main gateway to this city.
Why fly with Alaska Airlines from LAX to DEN?
Offering a rewarding loyalty program and top-tier customer service, Alaska Airlines is a popular option for many passengers heading from LAX to DEN. What's more, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
It's generally possible to change or cancel your flight, although there may be additional fees if your booking was made more than 24 hours ago. Need to keep your options open? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you have to revise your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.