Cheap Alaska Airlines flights Seattle (SEA) to Las Vegas (LAS)

Apply the "Price (lowest to highest)" filter on Expedia to find cheap Alaska Airlines round-trip flights from SEA to LAS. Affordable one-way fares are available too.*

*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.

January is one of the least expensive months to travel to Las Vegas with Alaska Airlines. You could also find great deals on return and one-way fares in June.

Alaska Airlines has direct flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS), with 49 weekly departures. Just choose the "Nonstop" and "Airline" filters during your search on Expedia to see all direct Alaska Airlines flights to LAS.

From wheels-up to touchdown, a nonstop Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS) takes approximately 2h 33m.

Alaska Airlines has the most flights from Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS) on Sunday. With up to 8 daily departures, you'll get the most flexibility and choice on this day.

Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Las Vegas touch down at Harry Reid Intl. Airport (LAS). This is the main entry point to this destination.

For the Seattle - Tacoma Intl. Airport (SEA) to Harry Reid Intl. Airport (LAS) route, Alaska Airlines typically operates Boeing 737-900 and Boeing 737 MAX 9 planes. Keep in mind that last-minute changes are possible for operational demands, meaning your flight could be on another aircraft.

Changes are generally free within 24 hours of booking, but your airline may charge a fee after that. For more information about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without extra charges, check the "Changes included" or "No cancel fee" filter when planning your next trip.