NT$3,839 Cheap Flights from Washington (IAD) to Las Vegas (LAS)

View NT$3,839 flight on Wed, 2025/9/3Opens 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 NT$3,839 for one-way flights and NT$7,676 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$7,676 Roundtrip, found 2 days ago
NT$7,676
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$7,676 found 2 days ago
United
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$8,046 Roundtrip, found 2 days ago
NT$8,046
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$8,046 found 2 days ago
United
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$8,412 Roundtrip, found 2 days ago
NT$8,412
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$8,412 found 2 days ago
Delta
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$8,904 Roundtrip, found 2 days ago
NT$8,904
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$8,904 found 2 days ago
United
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$9,273 Roundtrip, found 2 days ago
NT$9,273
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$9,273 found 2 days ago
Delta
Mon, Aug 18 - Wed, Aug 27
IAD
Washington
LAS
Las Vegas
NT$9,649 Roundtrip, found 19 hours ago
NT$9,649
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, Aug 18 from Washington to Las Vegas, returning Wed, Aug 27, priced at NT$9,649 found 19 hours ago
Delta
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$10,100 Roundtrip, found 2 days ago
NT$10,100
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$10,100 found 2 days ago
Delta
Mon, Aug 18 - Wed, Aug 27
IAD
Washington
LAS
Las Vegas
NT$10,268 Roundtrip, found 19 hours ago
NT$10,268
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, Aug 18 from Washington to Las Vegas, returning Wed, Aug 27, priced at NT$10,268 found 19 hours ago
Delta
Wed, Sep 3 - Wed, Sep 10
IAD
Washington
LAS
Las Vegas
NT$10,470 Roundtrip, found 2 days ago
NT$10,470
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 3 from Washington to Las Vegas, returning Wed, Sep 10, priced at NT$10,470 found 2 days ago
American Airlines
Mon, Aug 18 - Wed, Aug 27
IAD
Washington
LAS
Las Vegas
NT$11,016 Roundtrip, found 19 hours ago
NT$11,016
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Mon, Aug 18 from Washington to Las Vegas, returning Wed, Aug 27, priced at NT$11,016 found 19 hours ago
Flights from Washington (IAD) to Las Vegas (LAS)
Origin airport
Washington Dulles Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
NT$7,676
Distance
3297 km
Average flight time
2 hours 56 mins

Chantilly to Las Vegas Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chantilly to Las Vegas will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Las Vegas.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to LAS flights that won’t make your bank account wince. Ready to temporarily leave behind Chantilly for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LAS with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Harry Reid Airport (formerly McCarran Airport)?
If you're planning on traveling from IAD to Harry Reid Airport (formerly McCarran Airport), round-trip journeys start from NT$7,676. 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 canceled 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 kilometers. Put together a playlist of your favorite 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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