฿4,180 Cheap Flights from Washington (DCA) to Las Vegas (LAS)

View ฿4,180 flight on Sat, 18 Oct 2025Opens in a new window

Popular airlines from Ronald Reagan National Airport (DCA) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Washington (DCA) to Las Vegas (LAS)

Prices were available within the past 7 days and start at ฿4,180 for one-way flights and ฿8,355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿8,355 Return, found 7 hours ago
฿8,355
Return
found 7 hours ago
Select Delta flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿8,355 found 7 hours ago
Delta
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿9,175 Return, found 7 hours ago
฿9,175
Return
found 7 hours ago
Select Delta flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿9,175 found 7 hours ago
Delta
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿9,625 Return, found 7 hours ago
฿9,625
Return
found 7 hours ago
Select Delta flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿9,625 found 7 hours ago
Delta
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿10,440 Return, found 7 hours ago
฿10,440
Return
found 7 hours ago
Select Delta flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿10,440 found 7 hours ago
Delta
Sat, 20 Sept - Tue, 23 Sept
DCA
Washington
LAS
Las Vegas
฿10,630 Return, found 20 hours ago
฿10,630
Return
found 20 hours ago
Select Delta flight, departing Sat, 20 Sept from Washington to Las Vegas, returning Tue, 23 Sept, priced at ฿10,630 found 20 hours ago
American Airlines
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿10,800 Return, found 7 hours ago
฿10,800
Return
found 7 hours ago
Select American Airlines flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿10,800 found 7 hours ago
Delta
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿10,885 Return, found 7 hours ago
฿10,885
Return
found 7 hours ago
Select Delta flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿10,885 found 7 hours ago
American Airlines
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿11,610 Return, found 7 hours ago
฿11,610
Return
found 7 hours ago
Select American Airlines flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿11,610 found 7 hours ago
United
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿11,735 Return, found 7 hours ago
฿11,735
Return
found 7 hours ago
Select United flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿11,735 found 7 hours ago
Delta
Sat, 18 Oct - Fri, 24 Oct
DCA
Washington
LAS
Las Vegas
฿11,770 Return, found 7 hours ago
฿11,770
Return
found 7 hours ago
Select Delta flight, departing Sat, 18 Oct from Washington to Las Vegas, returning Fri, 24 Oct, priced at ฿11,770 found 7 hours ago

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

September is typically the cheapest month to fly

From ฿4,479 - ฿8,862 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Las Vegas route information
Origin airport
Ronald Reagan Washington National
Destination airport
Harry Reid Intl.
Return price
฿8,355
Distance
3333 km
Average flight time
3 hours 22 mins

Perfect flights from Washington to Las Vegas

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Las Vegas. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Ronald Reagan Washington National to Harry Reid Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿4,180 and roundtrip prices from ฿8,355. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Harry Reid Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Las Vegas.

Frequently asked questions

How much is a flight from DCA to Harry Reid Airport (formerly McCarran Airport)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Ronald Reagan Washington National Airport (DCA) and Harry Reid Airport (formerly McCarran Airport) was ฿8,355. Fares this cheap don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DCA to Harry Reid Airport (formerly McCarran Airport)?
When it comes to cancellation fees, each airline has a different set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) 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 Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DCA to Harry Reid Airport (formerly McCarran Airport)?
The flight distance from Ronald Reagan Washington National Airport (DCA) to LAS is 3,400 kilometres. Bring a drink, a few snacks and an interesting novel to read. Keep yourself busy in the air and the hours will zip by.
Which airlines fly direct from National Airport to LAS?
Check out the deals on offer with American Airlines (AA) if you want to travel straight from Ronald Reagan Washington National Airport (DCA) to LAS. This carrier offers 30 flights monthly, so you're sure to find one that fits your travel plans.
Are Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) 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 ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices that far in advance. Our top tip? Check back often as updates are made regularly.

Explore a world of travel with Expedia

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฿8,355.00

Baltimore

*Available to Expedia members.