￥22,200 Cheap Flights from Washington (IAD) to Las Vegas (LAS)

View ￥22,200 flight on Sat, Feb 14, 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 ￥22,200 for one-way flights and ￥54,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥54,130 Roundtrip, found 4 days ago
￥54,130
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥54,130 found 4 days ago
Delta
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥54,240 Roundtrip, found 4 days ago
￥54,240
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥54,240 found 4 days ago
Delta
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥56,920 Roundtrip, found 4 days ago
￥56,920
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥56,920 found 4 days ago
Delta
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥60,260 Roundtrip, found 4 days ago
￥60,260
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥60,260 found 4 days ago
American Airlines
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥64,020 Roundtrip, found 4 days ago
￥64,020
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥64,020 found 4 days ago
United
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥64,080 Roundtrip, found 4 days ago
￥64,080
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥64,080 found 4 days ago
United
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥65,610 Roundtrip, found 4 days ago
￥65,610
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥65,610 found 4 days ago
Alaska Airlines
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥65,850 Roundtrip, found 4 days ago
￥65,850
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥65,850 found 4 days ago
United
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥67,140 Roundtrip, found 4 days ago
￥67,140
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥67,140 found 4 days ago
American Airlines
Fri, Jan 23 - Wed, Jan 28
IAD
Washington
LAS
Las Vegas
￥70,580 Roundtrip, found 4 days ago
￥70,580
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 23 from Washington to Las Vegas, returning Wed, Jan 28, priced at ￥70,580 found 4 days ago

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

May is typically the cheapest month to fly

From ￥18,972 - ￥75,602 per traveler.
Flights from Washington (IAD) to Las Vegas (LAS)
Origin airport
Washington Dulles Intl.
Destination airport
Harry Reid Intl.
Roundtrip price
￥54,130
Distance
3297 km
Average flight time
3 hours 11 mins

Washington 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 Washington to 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 Washington 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 Washington Dulles Intl. Airport (IAD) to McCarran Intl. Airport (LAS)?
If you're traveling between Dulles Intl. Airport and McCarran Intl. Airport (LAS), round-trip journeys start from ￥54,130. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now 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 Dulles Intl. Airport to McCarran Intl. Airport (LAS)?
We get that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Dulles Intl. Airport to McCarran Intl. Airport (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 many hours is the flight from Washington Dulles Intl. Airport (IAD) to McCarran Airport?
The average flight time between Dulles Intl. Airport and Harry Reid Airport (formerly McCarran Airport) is 9 hours and 43 minutes. If you get peckish on longer flights, pack some snacks or fruit in your cabin baggage.
How far is the flight from IAD to McCarran Intl. Airport (LAS)?
Around 3,300 kilometers separates Chantilly and Las Vegas, so pack something to help you fill in a few hours. That latest bestseller you haven't had time to start will be ideal.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to LAS?
A popular option with many travelers, United Airlines (UA) offers 65 monthly flights from Washington Dulles Intl. Airport (IAD) to McCarran Intl. Airport (LAS). Pick the one that fits in with your travel plans and book your fare today.
Are IAD to McCarran Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Washington Dulles Intl. Airport (IAD) to McCarran Intl. Airport (LAS) are available up to 12 months before departure on Expedia. And although you may occasionally score great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

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