$40 Cheap Flights from Tucson (TUS) to Las Vegas (LAS)

Popular airlines from Tucson International Airport (TUS) to Harry Reid Intl. Airport (LAS)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Tucson to Las Vegas (TUS-LAS)

Prices were available within the past 7 days and start at $40 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Southwest Airlines
Frontier Airlines
American Airlines
Delta
United
Flights from Tucson (TUS) to Las Vegas (LAS)
Origin airport
Tucson Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$109
Distance
364 mi
Average flight time
1 hour 23 mins

Tucson to Las Vegas Flights

The cheapest times to fly from Tucson to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tucson to Las Vegas are during the month of May. You can find some of the cheapest flights from Tucson to Las Vegas with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Tucson to Las Vegas

Sunday is one of the best days to book for cheap flights from Tucson to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Tucson to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tucson to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $40 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tucson to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tucson to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS) cost?
You can book cheap return flights starting at $120 from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving TUS on May 14 2025 and touching down at LAS. The price was last updated on April 20 2025 and has not changed since.
What is the cheapest month to fly from TUS to LAS?
The cheapest flights from TUS to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
Catch a direct flight with Southwest Airlines and go straight from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS).
What is the cheapest airline that flies from TUS to LAS?
Jet off from TUS to LAS with Frontier Airlines. This airline currently has the cheapest one-way fare on this route, starting from $55. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from TUS on May 27 2025. Prices were last updated on April 20 2025 and have not changed since.
How many flights per day from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
Daily, an average of 3 direct flights operate from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS). Select the departure time that best suits your travel plans.
What are the most popular departure times for flights from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
More people fly between TUS and LAS at 4 PM than at any other point in the day. Rather skip the crowds? Travel outside of rush hours and you’re likely to save on your fare as well.
What day of the week has the most flights from TUS to LAS?
Sunday has the most flights from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS). Consider traveling on this day and you’ll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
Catch the earliest flight at around 7:00AM UTC-7, departing from Tucson Intl. Airport (TUS). You’ll be flying for about 1h 25m, landing at Harry Reid Intl. Airport (LAS) at approximately 7:25AM UTC-8.
How long does it take to fly from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
It usually takes 1 hour and 26 minutes to travel the 370 mi from TUS to LAS.
What airline has the least delays from TUS to LAS?
Southwest Airlines has the best track record for on-time direct flights from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS), with an on-time score of 88%. Use the Expedia App to view your flight schedule before you leave and get immediate updates about any trip changes.
What is the best time to fly from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
To touch down at Harry Reid Intl. Airport (LAS) without delays, pick a flight that takes off from Tucson Intl. Airport (TUS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Las Vegas from Tucson Intl. Airport (TUS)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from Tucson Intl. Airport (TUS). Browse the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute fares from TUS to LAS are typically more expensive. For the lowest prices, start looking for flights well in advance. That being said, if you can play around with your travel dates, it’s possible to find a cheap ticket right before your journey.
Is it cheaper to book a TUS to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a TUS to LAS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and select from our wide range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Tucson Intl. Airport (TUS) to Harry Reid Intl. Airport (LAS)?
If you booked your TUS to LAS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.