Cheap Spirit Airlines flights Las Vegas (LAS) to Denver (DEN)

Grab budget-friendly return Spirit Airlines flights from LAS to DEN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options for a one-way trip.**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.

Spirit Airlines flights to Denver are usually more affordable in the quieter months of January and November. Whether you’re after a return or one-way ticket, you could find a better deal then.

For cheap Spirit Airlines fares from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

Fill in your dates, hit search and use the “Nonstop” filter on Expedia to find any direct flights from LAS to DEN with Spirit Airlines or other airlines.

To find the earliest departure from LAS to DEN with Spirit Airlines, sort your results by “Early Morning” and “Morning.” Booking an early flight usually means cancellations are less likely.**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.

Denver Intl. Airport (DEN) is the primary Denver hub for Spirit Airlines flights from Harry Reid Intl. Airport (LAS).

Offering a rewarding loyalty program, Spirit Airlines is a top pick for many passengers heading from LAS to DEN. Plus, if you’re a Free Spirit and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee generally applies if you change or cancel your flight more than 24 hours after confirmation. To find flexible plane tickets, select our “Changes included” or “No cancel fee” filter while searching for flights. For more information on canceling or modifying your reservation, head to “Trips,” select your flight and click on “Manage Booking.”