Airlines with flights from Las Vegas to Buffalo
There are 7 airlines with scheduled flights between LAS and BUF. Both Southwest and American Airlines operates non-stop flights from Harry Reid International Airport to Buffalo Niagara International and the flight time is 4 hours and 18 minutes.
Choose airline
Schedules
Non-stop with Southwest Airlines
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Total flight time: 4 hours and 18 minutes
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Low-cost airline
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Las Vegas is a Southwest Airlines focus city (Operating base ).
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3 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with American Airlines
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Total flight time: 4 hours and 20 minutes
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One World Alliance
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First class available
Flight
The timetable & schedule information was updated at 2026-04-21
Via Chicago with Southwest Airlines
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Total flight time: 5h 40m - 9h 40m.
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Low-cost airline
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Las Vegas is a Southwest Airlines focus city (Operating base ).
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108 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)
Flight
WN1655
WN958
WN1655
WN807
WN4110
WN4110
WN2730
WN4110
WN4110
WN2659
WN4110
WN4110
WN748
WN758
The timetable & schedule information was updated at 2026-04-21
Via Denver with Southwest Airlines
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Total flight time: 5h 40m - 9h 40m.
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Low-cost airline
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Las Vegas is a Southwest Airlines focus city (Operating base ).
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45 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)
Flight
WN958
WN1083
WN117
WN117
WN2259
WN2259
WN2708
WN1761
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
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Total flight time: 5h 43m - 7h 59m.
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Sky Team Alliance
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89 flights per week
Flight
DL3642
DL3637
DL978
DL3639
The timetable & schedule information was updated at 2026-04-21
Via Denver with United Airlines
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Total flight time: 5h 57m - 8h 16m.
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50 flights per week
Flight
UA248
The timetable & schedule information was updated at 2026-04-21

There are 7 airlines with scheduled flights between LAS and BUF. Both Southwest and American Airlines operates non-stop flights from Harry Reid International Airport to Buffalo Niagara International and the flight time is 4 hours and 18 minutes.
Via Atlanta with Frontier
Via New York with JetBlue
Via Minneapolis with Sun Country Airlines