Direct (nonstop) flights from Las Vegas to Buffalo
1 airline flys nonstop from Harry Reid International Airport (LAS) to Buffalo Niagara International (BUF). It's 1,986 miles (3,196 km), about 4h 20m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Las Vegas to Buffalo with one stop · direct emits 336 kg CO₂ per passenger
Looking for the return flight?
BUF → LAS: Flights from Buffalo to Las VegasOther direct flights from Las Vegas
Direct flights from Buffalo (BUF)
Frequently Asked Questions
How long is the direct flight from Las Vegas to Buffalo?
A nonstop flight from Las Vegas (LAS) to Buffalo (BUF) takes approximately 4 hours and 20 minutes. The distance is 1,986 miles (3,196 km).
Which airlines fly nonstop from Las Vegas to Buffalo?
Just Southwest Airlines.
Is there a nonstop flight from Las Vegas to Buffalo?
Yes. 1 airline: Southwest Airlines.
How far is Las Vegas from Buffalo?
The flight distance from Las Vegas to Buffalo is 1,986 miles (3,196 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Las Vegas to Buffalo?
At 4h 20m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Las Vegas to Buffalo?
Roughly 336 kg CO2 per passenger one-way. That's about the same as driving 1,680 km.
Is the return flight from Buffalo to Las Vegas also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Las Vegas to Buffalo?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Harry Reid International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.