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S$166 Cheap Flights from Washington to Las Vegas

View S$166 flight on Sat, 29 Aug, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Harry Reid Intl. Airport (LAS)

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

Prices were available within the past 7 days and start at S$166 for one-way flights and S$332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 29 Aug - Sun, 30 Aug
IAD
Washington
LAS
Las Vegas
S$332 Return, found 4 days ago
S$332
Return
found 4 days ago
Select Delta flight, departing Sat, 29 Aug from Washington to Las Vegas, returning Sun, 30 Aug, priced at S$332 found 4 days ago
Delta
Fri, 4 Dec - Mon, 7 Dec
IAD
Washington
LAS
Las Vegas
S$335 Return, found 5 days ago
S$335
Return
found 5 days ago
Select Delta flight, departing Fri, 4 Dec from Washington to Las Vegas, returning Mon, 7 Dec, priced at S$335 found 5 days ago
Delta
Fri, 4 Sept - Fri, 11 Sept
IAD
Washington
LAS
Las Vegas
S$348 Return, found 2 days ago
S$348
Return
found 2 days ago
Select Delta flight, departing Fri, 4 Sept from Washington to Las Vegas, returning Fri, 11 Sept, priced at S$348 found 2 days ago
United
Sat, 29 Aug - Sun, 30 Aug
IAD
Washington
LAS
Las Vegas
S$353 Return, found 4 days ago
S$353
Return
found 4 days ago
Select United flight, departing Sat, 29 Aug from Washington to Las Vegas, returning Sun, 30 Aug, priced at S$353 found 4 days ago
Delta
Fri, 4 Dec - Mon, 7 Dec
IAD
Washington
LAS
Las Vegas
S$393 Return, found 5 days ago
S$393
Return
found 5 days ago
Select Delta flight, departing Fri, 4 Dec from Washington to Las Vegas, returning Mon, 7 Dec, priced at S$393 found 5 days ago
Delta
Sat, 29 Aug - Sun, 30 Aug
IAD
Washington
LAS
Las Vegas
S$398 Return, found 4 days ago
S$398
Return
found 4 days ago
Select Delta flight, departing Sat, 29 Aug from Washington to Las Vegas, returning Sun, 30 Aug, priced at S$398 found 4 days ago
Delta
Fri, 4 Sept - Fri, 11 Sept
IAD
Washington
LAS
Las Vegas
S$399 Return, found 2 days ago
S$399
Return
found 2 days ago
Select Delta flight, departing Fri, 4 Sept from Washington to Las Vegas, returning Fri, 11 Sept, priced at S$399 found 2 days ago
Delta
Sat, 29 Aug - Sun, 30 Aug
IAD
Washington
LAS
Las Vegas
S$403 Return, found 4 days ago
S$403
Return
found 4 days ago
Select Delta flight, departing Sat, 29 Aug from Washington to Las Vegas, returning Sun, 30 Aug, priced at S$403 found 4 days ago
United
Sat, 29 Aug - Sun, 30 Aug
IAD
Washington
LAS
Las Vegas
S$405 Return, found 4 days ago
S$405
Return
found 4 days ago
Select United flight, departing Sat, 29 Aug from Washington to Las Vegas, returning Sun, 30 Aug, priced at S$405 found 4 days ago
American Airlines
Fri, 4 Dec - Mon, 7 Dec
IAD
Washington
LAS
Las Vegas
S$618 Return, found 5 days ago
S$618
Return
found 5 days ago
Select American Airlines flight, departing Fri, 4 Dec from Washington to Las Vegas, returning Mon, 7 Dec, priced at S$618 found 5 days ago

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

July is typically the cheapest month to fly

From S$116 - S$473 per traveller.

Book with confidence

Perfect flights from Washington to Las Vegas

Your Journey from Washington to Las Vegas

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Book Your Flight from Washington to Las Vegas with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Washington to Las Vegas

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