£68 Cheap Flights from Denver (DEN) to Las Vegas (LAS)

One-way flights typically cost between £128 and £552 and return flights often range between £250 and £940. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid 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 Denver, CO (DEN-Denver Intl.) (DEN) to Las Vegas, NV (LAS-Harry Reid Intl.) (LAS) will differ from traveller to traveller. If you like to fly early, United 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 Denver, CO (DEN-Denver Intl.) (DEN) to Las Vegas, NV (LAS-Harry Reid Intl.) (LAS), which is brilliant 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 earliest flight from Denver International Airport (DEN) to Harry Reid International Airport (LAS) typically departs at approximately 12:00 AM local time, operated by Frontier Airlines. This is a seasonal service active in September and October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Denver International Airport (DEN) to Harry Reid International Airport (LAS) on a Friday, with around 169 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Frontier Airlines, and United Airlines. Friday offers notably more flight options compared to other days of the week.

The most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) are in the early morning, from 6am to 9am. About 28% of passengers prefer this time. Many major carriers, including Southwest Airlines and Frontier Airlines, offer flights during this window. This timing works well because you can get an early start to your day in Las Vegas, arriving with plenty of time to check into your accommodation and begin exploring.

It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) 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 booked your Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid 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.