Cheap Flights from Las Vegas (LAS) to Denver (DEN)

You can find one-way and return flights from LAS to DEN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LAS to DEN ticket fares go up or down.

The cheapest months to fly from LAS to DEN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

You have 3 airlines offering direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.). Here are the carriers:
* Southwest Airlines operates 67 direct flights from LAS to DEN every week.
* United operates 48 direct flights from LAS to DEN every week.
* Frontier Airlines operates 42 direct flights from LAS to DEN every week.

To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

You'll find plenty of options for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.). There are approximately 22 nonstop flights per day. For even more choices, look at flights that include layovers, as there are around 181 connecting flights per day. Some common connection points include San Diego Intl. (SAN), Los Angeles Intl. (LAX), and Sky Harbor Intl. (PHX).

The earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.) typically departs around 12:05 AM local time. This service is operated by Frontier Airlines. It's a seasonal service, active in June, July, and August. An early departure like this can be great for maximizing your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Harry Reid International Airport (LAS) to Denver, CO (DEN-Denver Intl.) on a Sunday, with around 157 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and Frontier Airlines. Flight schedules are fairly consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.

The most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Frontier Airlines, Southwest Airlines and Alaska Airlines, offer flights during this window. Many travellers prefer this because it allows for an early arrival in Denver, giving you more time to enjoy your day.

A nonstop flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.) typically takes around 2 hours, covering a distance of approximately 1,009 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 7 hours 30 minutes. Flights with two or more stops can take even longer, averaging about 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

You can fly business class or first class between LAS and DEN. Airlines that offer business class service on this route include:

• Alaska Airlines
• Frontier Airlines
• Delta
• American Airlines

First class cabins are available on:

• Alaska Airlines
• United
• Delta
• American Airlines

It's easy to earn miles on a Las Vegas, NV (LAS) to Denver, CO (DEN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Denver from Harry Reid International Airport (LAS), you can fly directly into Denver International Airport (DEN). Some flights may connect through major hubs like Portland International Airport (PDX), Seattle - Tacoma International Airport (SEA), or San Diego International Airport (SAN) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Las Vegas, NV (LAS) to Denver, CO (DEN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Las Vegas, NV (LAS) to Denver, CO (DEN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.