Cheap flights from Tucson to Las Vegas from $99

The month of February is, on average, the cheapest month to fly to Las Vegas from Tucson, with most prices found around $105. The month of January is another great option to travel to Las Vegas, with average flight prices from Tucson averaging around $159.

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $321. Flights from Tucson to Las Vegas on a Wednesday will generally be more expensive and average around $360. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is at noon when flights can be purchased for as low as $177. Flights to Las Vegas are more costly in the morning, with an average ticket price of $379. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Tucson to Las Vegas Harry Reid Intl for the best Tucson - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Tucson when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $302 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Tucson for as low as $218 on momondo.

There is only 1 cabin class available to choose from on Tucson to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and Southwest are the most popular carriers operating from Tucson to Las Vegas Harry Reid Intl

Southwest, Frontier and American Airlines are the top three most popular airlines that fly to Las Vegas from Tucson according to our data. Southwest is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Phoenix (PHX) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $216.

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 3h 12m.

Phoenix (PHX) has the shortest average layover time for this route: 0h 51m.

The number of flights available between Tucson and Las Vegas is 2 per day as of October 2026. The most frequent departure time is 5:00AM, with 40% of daily flights leaving in the evening.

The number of flights available between Tucson and Las Vegas is 20 per week as of October 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.