Seattle to Las Vegas $158 Round-Trip, Nonstop, for Late Summer Travel

Fly nonstop from Seattle to Las Vegas for $158 round-trip on Southwest.

Searching Southwest, we found seats departing SEA on Wednesday, September 6, returning from LAS on Tuesday, September 12.

Other dates are also available for travel through September 20.

See our fare details for booking info.

Need a hotel in Vegas? Here's what's available for the above dates on Hotelwatchdog.