$187 Cheap American Airlines flights Washington (IAD) to Las Vegas (LAS)

View $187 flight on Tue, Jan 20, 2026Opens in a new window

$187 Cheap American Airlines flights Washington (IAD) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $187 for one-way flights and $390 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jan 12 - Sat, Jan 17
IAD
Washington
LAS
Las Vegas
$390 Roundtrip, found 4 days ago
$390
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 12 from Washington to Las Vegas, returning Sat, Jan 17, priced at $390 found 4 days 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.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $519
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $519
Flights from Washington (IAD) to Las Vegas (LAS)
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
United
Distance
3297 km
Average flight time
3 hours 6 mins