
$184 Cheap United flights Washington (IAD) to Las Vegas (LAS)
Prices were available within the past 7 days and start at $184 for one-way flights and $311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 1 - Tue, Jan 6
IAD
Washington
LAS
Las Vegas
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Find the cheapest month to fly from Washington (IAD) to Las Vegas (LAS)
May is typically the cheapest month to fly
From $122 - $486 per traveler.
Alternative airports near Las Vegas
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Harry Reid Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United |
Popular airline | Delta |
Distance | 3297 km |
Average flight time | 3 hours 6 mins |
Most Popular United Routes from Washington
Most Popular United Routes from Las Vegas
- Newark Liberty Intl. Airport to Boston (EWR - BOS)
- Chicago to Salt Lake City (ORD - SLC)
- Houston to Philadelphia (IAH - PHL)
- Newark Liberty Intl. Airport to Lexington (EWR - LEX)
- Tampa to Newark Liberty Intl. Airport (TPA - EWR)
- Los Angeles to Miami (LAX - MIA)
- Atlanta to Denver (ATL - DEN)
- Boston to Vienna (BOS - VIE)
- Dallas to Manila (DFW - MNL)
- Amarillo to Burlington (AMA - BTV)
Popular Domestic Routes in Harry Reid Intl.
- Portland to Salt Lake City (PDX - SLC)
- Asheville to Chicago (AVL - ORD)
- Boston to Rome (BOS - FCO)
- Newark Liberty Intl. Airport to Boston (EWR - BOS)
- Houston to Philadelphia (IAH - PHL)
- Newark Liberty Intl. Airport to Lexington (EWR - LEX)
- Atlanta to Denver (ATL - DEN)
- Dallas to Manila (DFW - MNL)
- Seattle to Fayetteville (SEA - XNA)
- Portland to Atlanta (PDX - ATL)