$54 Cheap Frontier Airlines flights Washington (IAD) to Las Vegas (LAS)

View $54 flight on Mon, Jan 12, 2026Opens in a new window

$54 Cheap Frontier Airlines flights Washington (IAD) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $54 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jan 26 - Tue, Feb 10
IAD
Washington
LAS
Las Vegas
$108 Roundtrip, found 1 day ago
$108
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Washington to Las Vegas, returning Tue, Feb 10, priced at $108 found 1 day ago
Frontier Airlines
Sun, Jan 25 - Tue, Feb 10
IAD
Washington
LAS
Las Vegas
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jan 25 from Washington to Las Vegas, returning Tue, Feb 10, priced at $133 found 1 day ago
Frontier Airlines
Mon, Jan 26 - Thu, Feb 12
IAD
Washington
LAS
Las Vegas
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Washington to Las Vegas, returning Thu, Feb 12, priced at $150 found 1 day ago
Frontier Airlines
Tue, Jan 6 - Sat, Jan 17
IAD
Washington
LAS
Las Vegas
$151 Roundtrip, found 1 day ago
$151
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jan 6 from Washington to Las Vegas, returning Sat, Jan 17, priced at $151 found 1 day ago
Frontier Airlines
Thu, Jan 22 - Tue, Feb 10
IAD
Washington
LAS
Las Vegas
$171 Roundtrip, found 1 day ago
$171
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Washington to Las Vegas, returning Tue, Feb 10, priced at $171 found 1 day ago
Frontier Airlines
Fri, Jan 2 - Sat, Jan 17
IAD
Washington
LAS
Las Vegas
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jan 2 from Washington to Las Vegas, returning Sat, Jan 17, priced at $175 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.

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
Delta
Distance
3297 km
Average flight time
3 hours 6 mins