Las Vegas (LAS) to Washington (IAD) flight deal in economy from $179

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesLAS

Harry Reid International Airport

Las Vegas, United States
United StatesIAD

Washington Dulles International Airport

Washington, United States
$396 USD
-55%$179 USD
Verified about 10 hours ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Monday, October 12th, 2026

9 round-trip options

Returning
Sat, Oct 17, 2026•5 Day Trip
$309 USD
Google Flights
Returning
Mon, Oct 19, 2026•7 Day Trip
$299 USD
Google Flights
Returning
Tue, Oct 20, 2026•8 Day Trip
$273 USD
Google Flights
Returning
Wed, Oct 21, 2026•9 Day Trip
$273 USD
Google Flights
Returning
Thu, Oct 22, 2026•10 Day Trip
$358 USD
Google Flights
Returning
Fri, Oct 23, 2026•11 Day Trip
$357 USD
Google Flights
Returning
Sat, Oct 24, 2026•12 Day Trip
$299 USD
Google Flights
Returning
Sun, Oct 25, 2026•13 Day Trip
$412 USD
Google Flights
Returning
Mon, Oct 26, 2026•14 Day Trip
$341 USD
Google Flights