£77 Cheap Flights from Washington (DCA) to Las Vegas (LAS)

View £77 flight on Tue, 21 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 £77 for one-way flights and £172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 21 Oct - Wed, 22 Oct
DCA
Washington
LAS
Las Vegas
£172 Return, found 3 days ago
£172
Return
found 3 days ago
Select American Airlines flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Wed, 22 Oct, priced at £172 found 3 days ago
Delta
Wed, 22 Oct - Tue, 28 Oct
DCA
Washington
LAS
Las Vegas
£190 Return, found 3 days ago
£190
Return
found 3 days ago
Select Delta flight, departing Wed, 22 Oct from Washington to Las Vegas, returning Tue, 28 Oct, priced at £190 found 3 days ago
JetBlue Airways
Tue, 21 Oct - Wed, 22 Oct
DCA
Washington
LAS
Las Vegas
£204 Return, found 3 days ago
£204
Return
found 3 days ago
Select JetBlue Airways flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Wed, 22 Oct, priced at £204 found 3 days ago
American Airlines
Tue, 21 Oct - Wed, 22 Oct
DCA
Washington
LAS
Las Vegas
£213 Return, found 3 days ago
£213
Return
found 3 days ago
Select American Airlines flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Wed, 22 Oct, priced at £213 found 3 days ago
JetBlue Airways
Sat, 25 Oct - Sat, 1 Nov
DCA
Washington
LAS
Las Vegas
£214 Return, found 3 days ago
£214
Return
found 3 days ago
Select JetBlue Airways flight, departing Sat, 25 Oct from Washington to Las Vegas, returning Sat, 1 Nov, priced at £214 found 3 days ago
JetBlue Airways
Sat, 4 Oct - Wed, 8 Oct
DCA
Washington
LAS
Las Vegas
£215 Return, found 5 days ago
£215
Return
found 5 days ago
Select JetBlue Airways flight, departing Sat, 4 Oct from Washington to Las Vegas, returning Wed, 8 Oct, priced at £215 found 5 days ago
JetBlue Airways
Sat, 25 Oct - Thu, 30 Oct
DCA
Washington
LAS
Las Vegas
£218 Return, found 3 days ago
£218
Return
found 3 days ago
Select JetBlue Airways flight, departing Sat, 25 Oct from Washington to Las Vegas, returning Thu, 30 Oct, priced at £218 found 3 days ago
Delta
Tue, 21 Oct - Wed, 22 Oct
DCA
Washington
LAS
Las Vegas
£219 Return, found 3 days ago
£219
Return
found 3 days ago
Select Delta flight, departing Tue, 21 Oct from Washington to Las Vegas, returning Wed, 22 Oct, priced at £219 found 3 days ago
JetBlue Airways
Sat, 25 Oct - Sat, 1 Nov
DCA
Washington
LAS
Las Vegas
£220 Return, found 3 days ago
£220
Return
found 3 days ago
Select JetBlue Airways flight, departing Sat, 25 Oct from Washington to Las Vegas, returning Sat, 1 Nov, priced at £220 found 3 days ago
Alaska Airlines
Wed, 28 Jan - Sat, 7 Feb
DCA
Washington
LAS
Las Vegas
£223 Return, found 2 days ago
£223
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 28 Jan from Washington to Las Vegas, returning Sat, 7 Feb, priced at £223 found 2 days ago

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

October is typically the cheapest month to fly

From £102 - £228 per traveller.
Flight from Washington to Las Vegas route information
Origin airport
Ronald Reagan Washington National
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£172
Distance
3333 km

Compare flights from Washington to Las Vegas easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Las Vegas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Harry Reid Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ronald Reagan Washington National to Harry Reid Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Ronald Reagan Washington National (DCA) to Harry Reid Intl. (LAS)

The easiest way to view the best deals on flights from Washington to Las Vegas today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ronald Reagan Washington National to Harry Reid Intl. start at just £172 and range up to £223.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Las Vegas
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Las Vegas flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to Harry Reid Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £172. 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.

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