S$245 Cheap Flights from Washington to Las Vegas

View S$245 flight on Wed, 27 May, 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$245 for one-way flights and S$480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$480 Return, found 6 days ago
S$480
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$480 found 6 days ago
Delta
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$492 Return, found 6 days ago
S$492
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$492 found 6 days ago
Delta
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$530 Return, found 6 days ago
S$530
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$530 found 6 days ago
Delta
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$537 Return, found 6 days ago
S$537
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$537 found 6 days ago
United
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$543 Return, found 6 days ago
S$543
Return
found 6 days ago
Select United flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$543 found 6 days ago
Delta
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$554 Return, found 6 days ago
S$554
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$554 found 6 days ago
Delta
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$579 Return, found 6 days ago
S$579
Return
found 6 days ago
Select Delta flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$579 found 6 days ago
United
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$581 Return, found 6 days ago
S$581
Return
found 6 days ago
Select United flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$581 found 6 days ago
United
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$592 Return, found 6 days ago
S$592
Return
found 6 days ago
Select United flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$592 found 6 days ago
American Airlines
Thu, 16 Apr - Wed, 22 Apr
IAD
Washington
LAS
Las Vegas
S$672 Return, found 6 days ago
S$672
Return
found 6 days ago
Select American Airlines flight, departing Thu, 16 Apr from Washington to Las Vegas, returning Wed, 22 Apr, priced at S$672 found 6 days ago

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

May is typically the cheapest month to fly

From S$159 - S$639 per traveller.
Washington to Las Vegas route information
Origin airport
Washington Dulles Intl.
Destination airport
Harry Reid Intl.
Return price
S$479
Distance
3297 km
Average flight time
5 hours 35 mins

Perfect flights from Washington to Las Vegas

Your Journey from Washington to Las Vegas

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Choosing Your Ideal Flight

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Maximizing Value with Washington to Las Vegas Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Harry Reid Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$245 and roundtrip prices from S$480*.
 

Pre-Flight Essentials

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Added Convenience on Your Washington to Las Vegas Flight

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Beyond the Flight – Exploring 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.

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$480. 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.

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