Cheap Flights From Washington Dulles Intl. (IAD) To Harry Reid Intl. (LAS)

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

The cheapest flights to Harry Reid Intl. found within the past 7 days were CA $349 round trip and CA $175 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Aug. 18 - Tue, Aug. 19
IAD
Washington
LAS
Las Vegas
CA $349 Roundtrip, found 3 days ago
CA $349
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug. 18 from Washington to Las Vegas, returning Tue, Aug. 19, priced at CA $349 found 3 days ago
Mon, Aug. 18 - Tue, Aug. 19
IAD
Washington
LAS
Las Vegas
CA $351 Roundtrip, found 3 days ago
CA $351
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Aug. 18 from Washington to Las Vegas, returning Tue, Aug. 19, priced at CA $351 found 3 days ago
Sat, Aug. 16 - Sat, Aug. 23
IAD
Washington
LAS
Las Vegas
CA $357 Roundtrip, found 7 hours ago
CA $357
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug. 16 from Washington to Las Vegas, returning Sat, Aug. 23, priced at CA $357 found 7 hours ago
Mon, Sep. 15 - Thu, Sep. 18
IAD
Washington
LAS
Las Vegas
CA $373 Roundtrip, found 18 hours ago
CA $373
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Mon, Sep. 15 from Washington to Las Vegas, returning Thu, Sep. 18, priced at CA $373 found 18 hours ago
Wed, Nov. 5 - Mon, Nov. 10
IAD
Washington
LAS
Las Vegas
CA $393 Roundtrip, found 4 days ago
CA $393
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov. 5 from Washington to Las Vegas, returning Mon, Nov. 10, priced at CA $393 found 4 days ago
Mon, Jul. 21 - Fri, Jul. 25
IAD
Washington
LAS
Las Vegas
CA $401 Roundtrip, found 14 hours ago
CA $401
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Jul. 21 from Washington to Las Vegas, returning Fri, Jul. 25, priced at CA $401 found 14 hours ago
Sun, Jul. 20 - Fri, Jul. 25
IAD
Washington
LAS
Las Vegas
CA $415 Roundtrip, found 14 hours ago
CA $415
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Jul. 20 from Washington to Las Vegas, returning Fri, Jul. 25, priced at CA $415 found 14 hours ago
Mon, Aug. 18 - Tue, Aug. 19
IAD
Washington
LAS
Las Vegas
CA $420 Roundtrip, found 3 days ago
CA $420
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Aug. 18 from Washington to Las Vegas, returning Tue, Aug. 19, priced at CA $420 found 3 days ago
Mon, Aug. 18 - Tue, Aug. 19
IAD
Washington
LAS
Las Vegas
CA $422 Roundtrip, found 3 days ago
CA $422
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Aug. 18 from Washington to Las Vegas, returning Tue, Aug. 19, priced at CA $422 found 3 days ago
Mon, Aug. 18 - Tue, Aug. 19
IAD
Washington
LAS
Las Vegas
CA $426 Roundtrip, found 3 days ago
CA $426
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug. 18 from Washington to Las Vegas, returning Tue, Aug. 19, priced at CA $426 found 3 days ago

Frequently asked questions

Are there direct flights from IAD to LAS?
Be a wise wanderer and lock in a direct flight from Washington Dulles Intl. Airport (IAD) to McCarran Airport with United Airlines. This airline is the best choice if you want to get to Las Vegas as speedily as possible.
What airlines fly from IAD to McCarran Airport?
With United Airlines, you won't have to put up with annoying layovers or standing around waiting to board your next flight. This airline will take you straight from Washington Dulles Intl. Airport (IAD) to McCarran Airport on one of the 60 flights offered on this route every month.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

Popular Flight Routes from Washington (IAD)

Travelers at IAD love to visit these top cities. Roam to the top destinations from Washington (IAD) today with the cheap prices from Travelocity!

Popular Flight Routes from Las Vegas (LAS)

Travelers at LAS love to visit these top cities. Roam to the top destinations from Las Vegas(LAS) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.