Fly nonstop from Washington DC to Las Vegas for $158 round-trip on Frontier.
Seen below, we found seats departing IAD on Tuesday, January 27, returning from LAS on Wednesday, February 4.
Other dates are also available for travel in January/February.
For booking info, see our Fare Details.
Neon image via Shutterstock
All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.