United States · 1,982 miles (3,189 km)

Las Vegas (LAS) to Buffalo (BUF) flights

3 airlines fly nonstop from Las Vegas (LAS) to Buffalo (BUF): American Airlines, Delta Air Lines and Southwest Airlines. The two airports are 1,982 miles (3,189 km) apart. American Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 26 ways to fly it with one stop, through Denver, Chicago and Chicago and more.

Airlines flying nonstop from LAS to BUF

Book LAS to BUF with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

LAS to BUF with one stop

26 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Denver (DEN)United Airlines and Southwest Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines and Southwest Airlines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Southwest Airlines logo
    +1
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Frontier Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    American Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    United Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    American Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Los Angeles (LAX)American Airlines, Alaska Airlines and 4 more, then JetBlue Airways
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +3
    JetBlue Airways logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    American Airlines logo
  • Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
See all 26 in Routes

LAS to BUF: common questions

Which airlines fly nonstop from LAS to BUF?

American Airlines (oneworld), Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Las Vegas (LAS) to Buffalo (BUF).

How far is Las Vegas from Buffalo by plane?

Las Vegas (LAS) and Buffalo (BUF) are 1,982 miles (3,189 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book LAS to BUF award flights?

17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does LAS to BUF cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LAS to BUF with taxes and fees.

Where can I connect between Las Vegas and Buffalo?

The most direct connections are through Denver (DEN), Chicago (ORD), Chicago (MDW), Detroit (DTW) and Minneapolis (MSP). On 23 of them the same airline flies both flights, for example United Airlines through Denver.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.