$65 Cheap Flights from Washington (DCA) to Las Vegas (LAS)

View $65 flight on Sat, Jan 31, 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Jan 31 - Mon, Feb 2
DCA
Washington
LAS
Las Vegas
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jan 31 from Washington to Las Vegas, returning Mon, Feb 2, priced at $130 just found
Frontier Airlines
Sun, Dec 7 - Thu, Dec 11
DCA
Washington
LAS
Las Vegas
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 7 from Washington to Las Vegas, returning Thu, Dec 11, priced at $134 just found
Frontier Airlines
Sun, Dec 7 - Thu, Dec 11
DCA
Washington
LAS
Las Vegas
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 7 from Washington to Las Vegas, returning Thu, Dec 11, priced at $138 just found
Frontier Airlines
Sun, Dec 7 - Thu, Dec 11
DCA
Washington
LAS
Las Vegas
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 7 from Washington to Las Vegas, returning Thu, Dec 11, priced at $142 just found
Frontier Airlines
Sat, Dec 6 - Wed, Dec 10
DCA
Washington
LAS
Las Vegas
$144 Roundtrip, just found
$144
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Dec 6 from Washington to Las Vegas, returning Wed, Dec 10, priced at $144 just found
Frontier Airlines
Sun, Dec 7 - Thu, Dec 11
DCA
Washington
LAS
Las Vegas
$146 Roundtrip, just found
$146
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 7 from Washington to Las Vegas, returning Thu, Dec 11, priced at $146 just found
JetBlue Airways
Mon, Nov 24 - Sat, Dec 6
DCA
Washington
LAS
Las Vegas
$166 Roundtrip, found 6 days ago
$166
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Nov 24 from Washington to Las Vegas, returning Sat, Dec 6, priced at $166 found 6 days ago
Southwest Airlines
Tue, Jan 6 - Mon, Jan 12
DCA
Washington
LAS
Las Vegas
$310 Roundtrip, found 22 hours ago
$310
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Jan 6 from Washington to Las Vegas, returning Mon, Jan 12, priced at $310 found 22 hours ago
Alaska Airlines
Tue, Jan 20 - Sat, Jan 24
DCA
Washington
LAS
Las Vegas
$318 Roundtrip, just found
$318
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 20 from Washington to Las Vegas, returning Sat, Jan 24, priced at $318 just found
Delta
Sat, Dec 6 - Wed, Dec 10
DCA
Washington
LAS
Las Vegas
$319 Roundtrip, just found
$319
Roundtrip
just found
Select Delta flight, departing Sat, Dec 6 from Washington to Las Vegas, returning Wed, Dec 10, priced at $319 just found

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

January is typically the cheapest month to fly

From $138 - $327 per traveler.

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $236
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $236

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS) cost?
Secure a cheap one-way flight from $65 or cheap return flight from $130 from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
January is the least expensive month to fly from DCA to LAS. Planning your trip for the off-season is often the key to finding a great deal.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
When jetting out of Ronald Reagan Washington National Airport (DCA), you can get on a direct flight to Harry Reid Intl. Airport (LAS) with American Airlines.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from DCA to LAS. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
On average, Ronald Reagan Washington National Airport (DCA) only offers 1 nonstop flight to Harry Reid Intl. Airport (LAS) every day. For more choices, try our easy-to-use filters. Just enter your travel details, then choose "1 Stop" or "2+ Stops" to find flights with layovers.
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
More passengers fly between DCA and LAS at 7 AM than at any other time of day. Prefer a quieter experience? Travel outside of rush hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from DCA to LAS?
Travel on a Friday if you're looking for the biggest selection of flights from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
The earliest flight leaving Ronald Reagan Washington National Airport (DCA) is at around 7:43AM UTC-5. Board this plane and you'll arrive at Harry Reid Intl. Airport (LAS) at approximately 10:14AM UTC-8. The overall travel time is 5h 31m.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
Flights from DCA to LAS have an average travel time of 5 hours and 31 minutes. The distance between these two airports is 2,100 mi.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
Book a flight from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Ronald Reagan Washington National Airport (DCA)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from Ronald Reagan Washington National Airport (DCA). Check out your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your plane ticket from DCA to LAS right before your journey is generally more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a DCA to LAS flight and hotel package?
You'll typically save money by securing a DCA to LAS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Harry Reid Intl. Airport (LAS)?
In most instances, you can cancel or reschedule your DCA to LAS flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$130
Distance
2083 mi
Average flight time
3 hours 23 mins

Book with confidence

Washington to Las Vegas Flights

The cheapest times to fly from Washington to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Las Vegas are during the month of January. You can find some of the cheapest flights from Washington to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Las Vegas

Sunday is one of the best days to book for cheap flights from Washington to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Las Vegas Flights

Explore a world of travel with Expedia

*Available to One Key members.