1. Frontier Airlines: Frontier often offers low-cost flights between New York City (JFK or LGA) and Las Vegas (LAS). Flights can range from $80 to $150 round-trip, excluding baggage fees.
2. Spirit Airlines: Spirit Airlines is known for its ultra-low-cost fares. Flights from New York City (LGA) to Las Vegas (LAS) can be found around $100 to $200 round-trip, but additional charges may apply for baggage, seat selection, etc.
3. Norwegian Air: Norwegian Air sometimes offers competitive prices on transcontinental routes. Flights from New York City (JFK) to Las Vegas (LAS) can range from $150 to $300 round-trip.
4. JetBlue Airways: JetBlue Airways offers nonstop flights between New York City (JFK) and Las Vegas (LAS). Round-trip flights can range from $150 to $400, depending on the travel dates and availability.
5. United Airlines: United Airlines generally has competitive prices on flights from New York City (JFK or EWR) to Las Vegas (LAS). Round-trip flights can range from $200 to $450, depending on the season and demand.
6. American Airlines: American Airlines also offers nonstop service between New York City (JFK) and Las Vegas (LAS). Flights can range from $250 to $500 round-trip, but prices can vary depending on peak travel times.
7. Delta Air Lines: Delta Air Lines flies from New York City (JFK) to Las Vegas (LAS). Flights can range from $250 to $550 round-trip, depending on availability and travel dates.
Remember to compare prices, baggage policies, and other terms before booking your flight to ensure you get the best deal. It's also a good idea to book in advance, especially if traveling during peak seasons or holidays, to secure the lowest fares.