S$254 Cheap Flights from Washington to Las Vegas

View S$254 flight on Sat, 17 May,2025Opens in a new window

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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$254 for one-way flights and S$419 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 2 Apr - Mon, 7 Apr
IAD
Washington
LAS
Las Vegas
S$419 Return, found 6 days ago
S$419
Return
found 6 days ago
Select Delta flight, departing Wed, 2 Apr from Washington to Las Vegas, returning Mon, 7 Apr, priced at S$419 found 6 days ago
Delta
Wed, 2 Apr - Mon, 7 Apr
IAD
Washington
LAS
Las Vegas
S$453 Return, found 6 days ago
S$453
Return
found 6 days ago
Select Delta flight, departing Wed, 2 Apr from Washington to Las Vegas, returning Mon, 7 Apr, priced at S$453 found 6 days ago
United
Wed, 2 Apr - Mon, 7 Apr
IAD
Washington
LAS
Las Vegas
S$529 Return, found 6 days ago
S$529
Return
found 6 days ago
Select United flight, departing Wed, 2 Apr from Washington to Las Vegas, returning Mon, 7 Apr, priced at S$529 found 6 days ago
Delta
Fri, 11 Jul - Mon, 14 Jul
IAD
Washington
LAS
Las Vegas
S$538 Return, found 2 days ago
S$538
Return
found 2 days ago
Select Delta flight, departing Fri, 11 Jul from Washington to Las Vegas, returning Mon, 14 Jul, priced at S$538 found 2 days ago
United
Wed, 2 Apr - Mon, 7 Apr
IAD
Washington
LAS
Las Vegas
S$542 Return, found 6 days ago
S$542
Return
found 6 days ago
Select United flight, departing Wed, 2 Apr from Washington to Las Vegas, returning Mon, 7 Apr, priced at S$542 found 6 days ago
United
Fri, 7 Mar - Sat, 22 Mar
IAD
Washington
LAS
Las Vegas
S$555 Return, found 6 days ago
S$555
Return
found 6 days ago
Select United flight, departing Fri, 7 Mar from Washington to Las Vegas, returning Sat, 22 Mar, priced at S$555 found 6 days ago
Delta
Sat, 17 May - Sun, 18 May
IAD
Washington
LAS
Las Vegas
S$562 Return, found 1 day ago
S$562
Return
found 1 day ago
Select Delta flight, departing Sat, 17 May from Washington to Las Vegas, returning Sun, 18 May, priced at S$562 found 1 day ago
United
Sat, 17 May - Sun, 18 May
IAD
Washington
LAS
Las Vegas
S$567 Return, found 1 day ago
S$567
Return
found 1 day ago
Select United flight, departing Sat, 17 May from Washington to Las Vegas, returning Sun, 18 May, priced at S$567 found 1 day ago
American Airlines
Wed, 2 Apr - Mon, 7 Apr
IAD
Washington
LAS
Las Vegas
S$636 Return, found 6 days ago
S$636
Return
found 6 days ago
Select American Airlines flight, departing Wed, 2 Apr from Washington to Las Vegas, returning Mon, 7 Apr, priced at S$636 found 6 days ago
Hawaiian Airlines
Wed, 2 Apr - Mon, 7 Apr
IAD
Washington
LAS
Las Vegas
S$706 Return, found 6 days ago
S$706
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, 2 Apr from Washington to Las Vegas, returning Mon, 7 Apr, priced at S$706 found 6 days ago
Washington to Las Vegas route information
Origin airport
Washington Dulles Intl.
Destination airport
Harry Reid Intl.
Return price
S$418
Distance
3297 km

Flights from Chantilly to Las Vegas

When looking for plane tickets from Chantilly to Las Vegas, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Las Vegas. Look for IAD to LAS airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Las Vegas flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Chantilly Las Vegas flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chantilly to Las Vegas trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Las Vegas flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Chantilly to Las Vegas with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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$419. 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.
*Available to Expedia members.