Cheap Flights from San Francisco (SFO) to Las Vegas (LAS)

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Las Vegas (SFO-LAS)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$29 on Cheapest nonstop routes (e.g. SFO to LAS on Sat, Apr 11), while Frontier Airlines offers Cheapest nonstop round-trips from US$55 departing on Wed, Apr 15 and returning on Fri, Apr 17.

• Which airlines offer direct flights from San Francisco to Las Vegas?

  At the moment, you can catch a nonstop flight from San Francisco to Las Vegas with the following airlines, including: United Airlines Alaska Airlines Frontier Airlines Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from San Francisco to Las Vegas?

  It takes about 1 hour 43 minutes to fly from San Francisco to Las Vegas.

• When is the best time to book flights from San Francisco to Las Vegas?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Las Vegas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from San Francisco to Las Vegas?

  Based on Trip.com data in the past 4 weeks, there is 73 flight per week flying from San Francisco to Las Vegas. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/-/S -- AS718 (08:24)

• How can I find the best deals on flights from San Francisco to Las Vegas?

  To find best deals on flights from San Francisco to Las Vegas, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Apr 11, with one-way flights priced at just US$29.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Las Vegas travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Francisco (SFO) to Las Vegas (LAS) the cheapest?

  The cheapest months to fly from San Francisco to Las Vegas is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Las Vegas on?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from San Francisco to Las Vegas on March 30, 2026 with Frontier Airlines, with prices starting at US$20.

• Which airports can I fly to for Las Vegas from San Francisco?

  You can land at any one of the following hubs in Las Vegas, with San Francisco International Airport to Harry Reid International Airport (SFO-LAS) is by far the most common option on this route: Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) Harry Reid International Airport (LAS) Nellis Air Force Base (LSV).

• Is there any time difference between San Francisco and Las Vegas?

  The time difference between Las Vegas and San Francisco is 0h.

• How do I change or cancel my ticket from San Francisco to Las Vegas?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.