For winter travel, fly nonstop to Vegas from DC for $95 round-trip on American.
Seen below, we found seats in Basic Economy, departing DCA on Friday, December 1, returning from LAS on Saturday, December 9. Economy seats for these dates are $175 round-trip.
Other dates are also available for travel from December 1 through December 16.
See our fare details for booking info.
Need a hotel in Vegas? Here's what's available for the above dates on Hotelwatchdog.