Direct (nonstop) flights from Buffalo to Las Vegas

1 airline flys nonstop from Buffalo Niagara International (BUF) to Harry Reid International Airport (LAS). It's 1,986 miles (3,196 km), about 4h 55m in the air. Operated by Southwest Airlines.

BUF
Buffalo Niagara International
🇺🇸 Buffalo, USA
LAS
Harry Reid International Airport
🇺🇸 Las Vegas, USA
Flight Time
4h 55m
Distance
1,986 mi
3,196 km
CO₂/pax
336 kg
−32 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
-3h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
BUF → LAS
Flight Time
4h 55m
Distance
1,986 mi

Alternative Routes

Other ways to fly from Buffalo to Las Vegas with one stop · direct emits 336 kg CO₂ per passenger

BUF MDW (Chicago) LAS
Leg 1: 1h 40m (467 mi) Leg 2: 3h 55m (1,520 mi) Total: ~5h 35m 🍃 368 kg CO₂ (+10% vs. direct)
Leg 1
BUF → MDW
1h 40m · 467 mi
View BUF to MDW flights →
Leg 2
MDW → LAS
3h 55m · 1,520 mi
View MDW to LAS flights →
BUF MSP (Minneapolis) LAS
Leg 1: 2h 10m (734 mi) Leg 2: 3h 27m (1,299 mi) Total: ~5h 37m 🍃 381 kg CO₂ (+13% vs. direct)
Leg 1
BUF → MSP
2h 10m · 734 mi
View BUF to MSP flights →
Leg 2
MSP → LAS
3h 27m · 1,299 mi
View MSP to LAS flights →
BUF DEN (Denver) LAS
Leg 1: 3h 35m (1,359 mi) Leg 2: 2h 3m (628 mi) Total: ~5h 38m 🍃 371 kg CO₂ (+10% vs. direct)
Leg 1
BUF → DEN
3h 35m · 1,359 mi
View BUF to DEN flights →
Leg 2
DEN → LAS
2h 3m · 628 mi
View DEN to LAS flights →
BUF DTW (Detroit) LAS
Leg 1: 1h 17m (241 mi) Leg 2: 4h 27m (1,748 mi) Total: ~5h 44m 🍃 365 kg CO₂ (+9% vs. direct)
Leg 1
BUF → DTW
1h 17m · 241 mi
View BUF to DTW flights →
Leg 2
DTW → LAS
4h 27m · 1,748 mi
View DTW to LAS flights →
BUF PHX (Phoenix) LAS
Leg 1: 4h 40m (1,911 mi) Leg 2: 1h 11m (255 mi) Total: ~5h 51m 🍃 395 kg CO₂ (+18% vs. direct)
Leg 1
BUF → PHX
4h 40m · 1,911 mi
View BUF to PHX flights →
Leg 2
PHX → LAS
1h 11m · 255 mi
View PHX to LAS flights →

Frequently Asked Questions

How long is the direct flight from Buffalo to Las Vegas?

A nonstop flight from Buffalo (BUF) to Las Vegas (LAS) takes approximately 4 hours and 55 minutes. The distance is 1,986 miles (3,196 km).

Which airlines fly nonstop from Buffalo to Las Vegas?

Just Southwest Airlines.

Is there a nonstop flight from Buffalo to Las Vegas?

Yes. 1 airline: Southwest Airlines.

How far is Buffalo from Las Vegas?

The flight distance from Buffalo to Las Vegas 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 Buffalo to Las Vegas?

At 4h 55m, 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 Buffalo to Las Vegas?

Roughly 336 kg CO2 per passenger one-way. That's about the same as driving 1,680 km.

Is the return flight from Las Vegas to Buffalo 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 Buffalo to Las Vegas?

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 Buffalo Niagara International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.