$89 Cheap Alaska Airlines flights Chicago (ORD) to Las Vegas (LAS)

You can find affordable round-trip Alaska Airlines flights from $178 from ORD to LAS by sorting your results from “Price (lowest to highest)” on Expedia. Or search for options from $89 for a one-way trip.**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.

Alaska Airlines flights to Las Vegas are often more affordable in the off-peak months of January and June. Whether you’re searching for a return or one-way ticket, you could find a better deal then.

Start searching one to three months before your departure to get cheaper fares on Alaska Airlines flights from O’Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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.

To find out if there’s a direct journey from ORD to LAS with Alaska Airlines or another airline, check the “Nonstop” filter when looking for tickets.

To find the earliest departure from ORD to LAS with Alaska Airlines, filter your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’ll experience fewer 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.

Alaska Airlines flights from O’Hare Intl. Airport (ORD) to Las Vegas come in to Harry Reid Intl. Airport (LAS). This is the main gateway here.

Alaska Airlines makes traveling from ORD to LAS enjoyable with top-tier customer service and a rewarding loyalty program. You could even start collecting points with Mileage Plan. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to cancel or reschedule your flight, although additional fees may apply if your booking was made over 24 hours ago. Prefer to keep your options open? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you have to revise your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.