$49 Cheap Southwest Airlines flights Oakland (OAK) to Las Vegas (LAS)

Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Southwest Airlines return flights from $90 from OAK to LAS. Affordable one-way fares from $49 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

For cheap Southwest Airlines fares from Oakland Intl. Airport (OAK) to Harry Reid Intl. Airport (LAS), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest Southwest Airlines flight from OAK to LAS departs at 5:25AM UTC-8, touching down at 6:55AM UTC-8. If you prefer to head off later, the last Southwest Airlines flight leaves OAK at 8:10PM UTC-8 and touches down at LAS at 9:45PM UTC-8. Flying before midday is often a good idea as morning flights are least likely to face cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.