Las Vegas (LAS) to Washington (IAD) flight deal in economy from $179
LASHarry Reid International Airport
Las Vegas, United States
IADWashington Dulles International Airport
Washington, United States
$396 USD
-55%$179 USD
Verified about 8 hours agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Thursday, October 15th, 2026
9 round-trip options
Returning
Tue, Oct 20, 2026•5 Day Trip
$273 USD
Returning
Thu, Oct 22, 2026•7 Day Trip
$358 USD
Returning
Fri, Oct 23, 2026•8 Day Trip
$357 USD
Returning
Sat, Oct 24, 2026•9 Day Trip
$299 USD
Returning
Sun, Oct 25, 2026•10 Day Trip
$412 USD
Returning
Mon, Oct 26, 2026•11 Day Trip
$358 USD
Returning
Tue, Oct 27, 2026•12 Day Trip
$273 USD
Returning
Wed, Oct 28, 2026•13 Day Trip
$317 USD
Returning
Thu, Oct 29, 2026•14 Day Trip
$352 USD