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
- American Airlinesoneworld · bookable with 9 programsWho books it

- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

- Southwest AirlinesNot in an allianceWho books it

Book LAS to BUF with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks American Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
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





- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Chicago (MDW)Southwest Airlines the whole way


- Via Detroit (DTW)Delta Air Lines the whole way





- Via Minneapolis (MSP)Delta Air Lines and Southwest Airlines the whole way

+1


- Via Phoenix (PHX)Southwest Airlines the whole way




- Via Nashville (BNA)Southwest Airlines the whole way




- Via Dallas (DFW)American Airlines the whole way



- Via Dallas (DAL)Southwest Airlines the whole way


- Via Dulles (IAD)United Airlines the whole way



- Via Washington (DCA)American Airlines the whole way



- Via Baltimore (BWI)Southwest Airlines the whole way


- Via Los Angeles (LAX)American Airlines, Alaska Airlines and 4 more, then JetBlue Airways

+3

- Via Philadelphia (PHL)American Airlines the whole way

+1

- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way





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.