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

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
United StatesLAS

Harry Reid International Airport

Las Vegas, United States
$390 USD
-54%$179 USD
Verified about 7 hours ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Friday, October 2nd, 2026

10 round-trip options

Returning
Wed, Oct 7, 2026•5 Day Trip
$321 USD
Google Flights
Returning
Thu, Oct 8, 2026•6 Day Trip
$352 USD
Google Flights
Returning
Fri, Oct 9, 2026•7 Day Trip
$436 USD
Google Flights
Returning
Sat, Oct 10, 2026•8 Day Trip
$347 USD
Google Flights
Returning
Sun, Oct 11, 2026•9 Day Trip
$664 USD
Google Flights
Returning
Mon, Oct 12, 2026•10 Day Trip
$352 USD
Google Flights
Returning
Tue, Oct 13, 2026•11 Day Trip
$321 USD
Google Flights
Returning
Wed, Oct 14, 2026•12 Day Trip
$321 USD
Google Flights
Returning
Thu, Oct 15, 2026•13 Day Trip
$352 USD
Google Flights
Returning
Fri, Oct 16, 2026•14 Day Trip
$415 USD
Google Flights