Washington (IAD) to Las Vegas (LAS) flight deal in economy from $189
IADWashington Dulles International Airport
Washington, United States
LASHarry Reid International Airport
Las Vegas, United States
$322 USD
-41%$189 USD
Verified 1 day agoJuly 2026
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Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Saturday, July 4th, 2026
0 round-trip options
No flight details available for this date.