$109 Cheap Flights from Washington (DCA) to Las Vegas (LAS)

View $109 flight on Sat, Dec 13, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $109 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Nov 14 - Sat, Nov 15
DCA
Washington
LAS
Las Vegas
$182 Roundtrip, found 2 hours ago
$182
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Washington to Las Vegas, returning Sat, Nov 15, priced at $182 found 2 hours ago
Frontier Airlines
Sat, Nov 8 - Mon, Nov 10
DCA
Washington
LAS
Las Vegas
$187 Roundtrip, just found
$187
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Nov 8 from Washington to Las Vegas, returning Mon, Nov 10, priced at $187 just found
American Airlines
Sat, Dec 6 - Sat, Dec 13
DCA
Washington
LAS
Las Vegas
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 6 from Washington to Las Vegas, returning Sat, Dec 13, priced at $197 found 1 day ago
Frontier Airlines
Wed, Nov 5 - Fri, Nov 7
DCA
Washington
LAS
Las Vegas
$203 Roundtrip, just found
$203
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Nov 5 from Washington to Las Vegas, returning Fri, Nov 7, priced at $203 just found
Frontier Airlines
Mon, Nov 3 - Wed, Nov 5
DCA
Washington
LAS
Las Vegas
$207 Roundtrip, just found
$207
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 3 from Washington to Las Vegas, returning Wed, Nov 5, priced at $207 just found
Frontier Airlines
Sat, Sep 13 - Tue, Sep 16
DCA
Washington
LAS
Las Vegas
$210 Roundtrip, found 1 hour ago
$210
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Sep 13 from Washington to Las Vegas, returning Tue, Sep 16, priced at $210 found 1 hour ago
Frontier Airlines
Sun, Nov 16 - Tue, Nov 18
DCA
Washington
LAS
Las Vegas
$211 Roundtrip, just found
$211
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Nov 16 from Washington to Las Vegas, returning Tue, Nov 18, priced at $211 just found
Southwest Airlines
Sat, Dec 6 - Sat, Dec 13
DCA
Washington
LAS
Las Vegas
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Washington to Las Vegas, returning Sat, Dec 13, priced at $217 found 1 day ago
Alaska Airlines
Tue, Nov 4 - Sat, Nov 15
DCA
Washington
LAS
Las Vegas
$226 Roundtrip, found 6 days ago
$226
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Washington to Las Vegas, returning Sat, Nov 15, priced at $226 found 6 days ago
Hawaiian Airlines
Thu, Dec 4 - Wed, Dec 10
DCA
Washington
LAS
Las Vegas
$236 Roundtrip, found 15 hours ago
$236
Roundtrip
found 15 hours ago
Select Hawaiian Airlines flight, departing Thu, Dec 4 from Washington to Las Vegas, returning Wed, Dec 10, priced at $236 found 15 hours ago

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

September is typically the cheapest month to fly

From $138 - $273 per traveler.

Graph displaying average flight prices per month

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 $215
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $215
Flights from Washington (DCA) to Las Vegas (LAS)
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
$181
Distance
2083 mi
Average flight time
3 hours 39 mins

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 November. 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 $109 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.

 

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 $109 or cheap return flight from $182 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)?
November 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.

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*Available to One Key members.