S$206 Cheap Flights from Washington to Las Vegas

View S$206 flight on Wed, 5 Nov, 2025Opens 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$206 for one-way flights and S$410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$410 Return, found 2 days ago
S$410
Return
found 2 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$410 found 2 days ago
Delta
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$472 Return, found 2 days ago
S$472
Return
found 2 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$472 found 2 days ago
Delta
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$500 Return, found 2 days ago
S$500
Return
found 2 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$500 found 2 days ago
Delta
Mon, 22 Dec - Wed, 24 Dec
IAD
Washington
LAS
Las Vegas
S$500 Return, found 6 hours ago
S$500
Return
found 6 hours ago
Select Delta flight, departing Mon, 22 Dec from Washington to Las Vegas, returning Wed, 24 Dec, priced at S$500 found 6 hours ago
United
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$512 Return, found 2 days ago
S$512
Return
found 2 days ago
Select United flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$512 found 2 days ago
Delta
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$538 Return, found 2 days ago
S$538
Return
found 2 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$538 found 2 days ago
United
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$543 Return, found 2 days ago
S$543
Return
found 2 days ago
Select United flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$543 found 2 days ago
Delta
Mon, 22 Dec - Wed, 24 Dec
IAD
Washington
LAS
Las Vegas
S$552 Return, found 6 hours ago
S$552
Return
found 6 hours ago
Select Delta flight, departing Mon, 22 Dec from Washington to Las Vegas, returning Wed, 24 Dec, priced at S$552 found 6 hours ago
Delta
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$562 Return, found 2 days ago
S$562
Return
found 2 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$562 found 2 days ago
American Airlines
Tue, 21 Oct - Tue, 28 Oct
IAD
Washington
LAS
Las Vegas
S$612 Return, found 2 days ago
S$612
Return
found 2 days ago
Select American Airlines flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at S$612 found 2 days ago

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

May is typically the cheapest month to fly

From S$156 - S$641 per traveller.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Harry Reid Airport (formerly McCarran Airport)?
If you're planning on travelling from IAD to Harry Reid Airport (formerly McCarran Airport), round-trip journeys start from S$410. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Harry Reid Airport (formerly McCarran Airport)?
The majority of flights can be cancelled online, but every airline has different terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to LAS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to LAS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to LAS?
Expect to be up above the clouds for a while, as the flight distance from Washington Dulles Intl. Airport (IAD) to LAS is 3,300 kilometres. Put together a playlist of your favourite podcasts before leaving home to keep yourself entertained during your trip.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to LAS?
Check out the deals on offer with United Airlines (UA) if you want to travel directly from IAD to LAS. This popular carrier offers 60 flights every month, so you're sure to find one that fits your travel schedule.
Are IAD to LAS flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Dulles Intl. Airport to LAS can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd prefer to play it safe and start your trip planning early, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines release their prices so far in advance. Our top tip? Check back often as updates are made frequently.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$410
Distance
3297 km
Average flight time
2 hours 2 mins

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Perfect flights from Washington to Las Vegas

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

Explore a world of travel with Expedia

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