Find Allegiant Air(G4) flights from Pittsburgh to Las Vegas

At the moment, you can catch a nonstop flight from Pittsburgh to Las Vegas with the following airlines, including: Spirit Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 4 hours 52 minutes to fly from Pittsburgh to Las Vegas.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Pittsburgh to Las Vegas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 1 flight per week flying from Pittsburgh to Las Vegas. You can check the weekly schedule for popular airlines on this route below: Spirit Airlines: -/-/-/-/-/-/- -- NK2465 (17:49)

The cheapest months to fly from Pittsburgh to Las Vegas is September, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Pittsburgh to Las Vegas on December 15, 2025 with Spirit Airlines, with prices starting at TWD 2,871.

You can land at any one of the following hubs in Las Vegas, with Pittsburgh International Airport to Harry Reid International Airport (PIT-LAS) is by far the most common option on this route: Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) Harry Reid International Airport (LAS) Nellis Air Force Base (LSV).

The time difference between Las Vegas and Pittsburgh is 3h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.