Cheap Flights From San Francisco Intl. (SFO) To Harry Reid Intl. (LAS)

If you'd prefer to fly direct from San Francisco Intl. Airport (SFO) to McCarran Intl. Airport (LAS), you're not short on options. Below are the best airlines that will get you to Las Vegas without any fuss:

• United Airlines - (UA) with 186 flights every month
• Southwest Airlines - (WN) with 99 flights every month
• Alaska Airlines - (AS) with 82 flights every month
• Frontier Airlines - (F9) with 60 flights every month

Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.