Cheap Flights To Las Vegas (LAS) | 2026 Deals, Routes & Tips

Finding Cheap Flights To Las Vegas

Las Vegas is served by Harry Reid International Airport (LAS), one of the busiest airports in the United States and a major hub for leisure travel. It offers an immense domestic network into LAS with flights from virtually every major U.S. city, a strong selection of international routes arriving in Las Vegas, and is renowned for having some of the most competitive airfares in the country due to intense competition among airlines.

The airport provides exceptional connectivity into Las Vegas from across the United States, with a very high frequency of flights from California, the Northeast, the Midwest, and Florida to LAS. Key international destinations into Las Vegas include direct flights from London (LGW), Frankfurt (FRA), Seoul (ICN), Tokyo (NRT), Mexico City (MEX), and numerous cities in Canada and Central America.

Las Vegas is a major base for Spirit Airlines and Frontier Airlines flying into LAS, and a focus city for Southwest Airlines arriving in Las Vegas. It is also served by all major U.S. network carriers (American, Delta, United) and many international airlines into LAS. This high concentration of low-cost carriers creates fierce fare wars for flights to Las Vegas.

To secure cheap flights to Las Vegas, book domestic arrivals into LAS 1-2 months in advance, using Spirit, Frontier, or Southwest for the best deals to Las Vegas. For international travel into LAS, book 2-4 months ahead. Use flight comparison tools aggressively for flights to Las Vegas. Flying into LAS on weekdays (Tuesday-Thursday) is significantly cheaper. LAS is famous for last-minute deals and error fares into Las Vegas. For the lowest fares to LAS, be flexible with dates and set price alerts. The airport is a prime market for flash sales into Las Vegas, especially from the West Coast and Midwest.