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Cheap Flights from Washington (IAD) to Las Vegas (LAS)

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Open Photo by McCarran International Airport

Cheap Flights from Washington to Las Vegas (IAD-LAS)

Prices were available within the past 7 days and start at AED 1,770 for roundtrip flights, for the period specified. Prices and availability are subject to change.
Frontier Airlines
Saturday, 10 October, 2026 - Tuesday, 13 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,770
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Saturday, 10 October, 2026 from Washington to Las Vegas, returning Tuesday, 13 October, 2026, priced at AED 1,770 Found 2 days ago
Frontier Airlines
Sunday, 11 October, 2026 - Tuesday, 13 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,800
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sunday, 11 October, 2026 from Washington to Las Vegas, returning Tuesday, 13 October, 2026, priced at AED 1,800 Found 2 days ago
Frontier Airlines
Friday, 9 October, 2026 - Thursday, 15 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,830
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Friday, 9 October, 2026 from Washington to Las Vegas, returning Thursday, 15 October, 2026, priced at AED 1,830 Found 2 days ago
Frontier Airlines
Monday, 12 October, 2026 - Thursday, 15 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,850
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Monday, 12 October, 2026 from Washington to Las Vegas, returning Thursday, 15 October, 2026, priced at AED 1,850 Found 2 days ago
Frontier Airlines
Thursday, 8 October, 2026 - Monday, 12 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,870
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Thursday, 8 October, 2026 from Washington to Las Vegas, returning Monday, 12 October, 2026, priced at AED 1,870 Found 2 days ago
Frontier Airlines
Saturday, 10 October, 2026 - Thursday, 15 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,920
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Saturday, 10 October, 2026 from Washington to Las Vegas, returning Thursday, 15 October, 2026, priced at AED 1,920 Found 2 days ago
Frontier Airlines
Sunday, 11 October, 2026 - Thursday, 15 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,940
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sunday, 11 October, 2026 from Washington to Las Vegas, returning Thursday, 15 October, 2026, priced at AED 1,940 Found 2 days ago
Frontier Airlines
Sunday, 11 October, 2026 - Monday, 12 October, 2026
IAD
Washington
LAS
Las Vegas
AED 1,960
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sunday, 11 October, 2026 from Washington to Las Vegas, returning Monday, 12 October, 2026, priced at AED 1,960 Found 2 days ago
Frontier Airlines
Saturday, 10 October, 2026 - Sunday, 11 October, 2026
IAD
Washington
LAS
Las Vegas
AED 2,030
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Saturday, 10 October, 2026 from Washington to Las Vegas, returning Sunday, 11 October, 2026, priced at AED 2,030 Found 2 days ago
Frontier Airlines
Sunday, 11 October, 2026 - Sunday, 11 October, 2026
IAD
Washington
LAS
Las Vegas
AED 2,050
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sunday, 11 October, 2026 from Washington to Las Vegas, returning Sunday, 11 October, 2026, priced at AED 2,050 Found 2 days ago
Frontier Airlines
Friday, 9 October, 2026 - Friday, 9 October, 2026
IAD
Washington
LAS
Las Vegas
AED 2,540
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Friday, 9 October, 2026 from Washington to Las Vegas, returning Friday, 9 October, 2026, priced at AED 2,540 Found 2 days ago

Travel information

Origin airport
Washington Dulles Intl. Airport
Destination airport
Harry Reid Intl. Airport
Distance
3,316 km away
Airlines serving
Alaska Airlines, Frontier Airlines, United, Delta, American Airlines, Sun Country Airlines
Popular airline
Alaska Airlines
Roundtrip price
AED 1,770
Average flight time
5 hours 56 mins
*Available to One Key members.