$189 Cheap Delta flights Washington (IAD) to Las Vegas (LAS)

View $189 flight on Tue, Jun 23, 2026Opens in a new window

$189 Cheap Delta flights Washington (IAD) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $189 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 23 - Thu, Jun 25
IAD
Washington
LAS
Las Vegas
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 23 from Washington to Las Vegas, returning Thu, Jun 25, priced at $339 found 2 days ago
Delta
Tue, Jun 23 - Thu, Jun 25
IAD
Washington
LAS
Las Vegas
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 23 from Washington to Las Vegas, returning Thu, Jun 25, priced at $459 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Las Vegas (LAS)

April is typically the cheapest month to fly

From $160 - $363 per traveler.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
3297 km
Average flight time
3 hours 7 mins

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