$139 Cheap Flights from Las Vegas (LAS) to Washington (DCA)

View $139 flight on Wed, Feb 18, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $139 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Oct 14 - Wed, Oct 22
LAS
Las Vegas
DCA
Washington
$210 Roundtrip, found 22 hours ago
$210
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Oct 14 from Las Vegas to Washington, returning Wed, Oct 22, priced at $210 found 22 hours ago
Frontier Airlines
Tue, Oct 7 - Wed, Oct 22
LAS
Las Vegas
DCA
Washington
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Oct 7 from Las Vegas to Washington, returning Wed, Oct 22, priced at $220 found 2 days ago
Frontier Airlines
Tue, Oct 14 - Mon, Nov 3
LAS
Las Vegas
DCA
Washington
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Oct 14 from Las Vegas to Washington, returning Mon, Nov 3, priced at $234 found 1 day ago
Frontier Airlines
Fri, Oct 31 - Sat, Nov 8
LAS
Las Vegas
DCA
Washington
$243 Roundtrip, found 22 hours ago
$243
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Las Vegas to Washington, returning Sat, Nov 8, priced at $243 found 22 hours ago
Frontier Airlines
Tue, Oct 21 - Wed, Oct 29
LAS
Las Vegas
DCA
Washington
$249 Roundtrip, found 22 hours ago
$249
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Las Vegas to Washington, returning Wed, Oct 29, priced at $249 found 22 hours ago
JetBlue Airways
Fri, Oct 31 - Wed, Nov 5
LAS
Las Vegas
DCA
Washington
$256 Roundtrip, found 2 hours ago
$256
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Fri, Oct 31 from Las Vegas to Washington, returning Wed, Nov 5, priced at $256 found 2 hours ago
Frontier Airlines
Tue, Oct 14 - Mon, Oct 27
LAS
Las Vegas
DCA
Washington
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Oct 14 from Las Vegas to Washington, returning Mon, Oct 27, priced at $257 found 1 day ago
American Airlines
Fri, Nov 14 - Mon, Nov 17
LAS
Las Vegas
DCA
Washington
$267 Roundtrip, found 4 hours ago
$267
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Las Vegas to Washington, returning Mon, Nov 17, priced at $267 found 4 hours ago
Southwest Airlines
Thu, Dec 11 - Wed, Dec 17
LAS
Las Vegas
DCA
Washington
$287 Roundtrip, found 2 hours ago
$287
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Thu, Dec 11 from Las Vegas to Washington, returning Wed, Dec 17, priced at $287 found 2 hours ago
Delta
Wed, Feb 4 - Sun, Feb 8
LAS
Las Vegas
DCA
Washington
$287 Roundtrip, just found
$287
Roundtrip
just found
Select Delta flight, departing Wed, Feb 4 from Las Vegas to Washington, returning Sun, Feb 8, priced at $287 just found

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

January is typically the cheapest month to fly

From $138 - $350 per traveler.

Alternative airports near Washington

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $152
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center40 min
Flights from $152
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 36 minutes. Flights from $206
IAD
Washington Dulles Intl.
Average driving time to city center36 min
Flights from $206

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA) cost?
Lock in a cheap one-way flight from $139 or cheap return flight from $210 from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
Planning your trip for October can help you save, as it's the cheapest month for flights between LAS and DCA. You'll typically find the lowest prices during off-peak months.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
You can fly straight from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA) on an American Airlines flight.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LAS to DCA flight.
How many flights per day from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
On average, only 1 direct flight departs each day from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA). Seeking more options? Use Expedia's filters to find flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
More travelers fly between LAS and DCA at 12 PM than at any other point in the day. Rather go when it's quieter? Try choosing a quieter departure window and you could save on your ticket as well.
What day of the week has the most flights from LAS to DCA?
If you travel on a Tuesday, you'll get the largest range of options for flights from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
The first flight of the day out of Harry Reid Intl. Airport (LAS) is at around 12:53PM UTC-8. Board this flight and you'll arrive at Ronald Reagan Washington National Airport (DCA) at approximately 8:23PM UTC-5. The total flight duration is 4h 30m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
Flights from LAS to DCA have an average travel time of 4 hours and 30 minutes. The distance between the two is 2,100 mi.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Washington from Harry Reid Intl. Airport (LAS)?
Take a direct flight from Harry Reid Intl. Airport (LAS) to Washington and touch down at one of these hubs:

  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
  • Washington Dulles Intl. Airport (IAD)
  • Ronald Reagan Washington National Airport (DCA)

Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your ticket from LAS to DCA shortly before your trip is typically more expensive. But if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a LAS to DCA flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to DCA flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)?
If you booked your LAS to DCA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$209
Distance
2083 mi
Average flight time
8 hours 46 mins

Book with confidence

Book with confidence

Las Vegas to Washington Flights

The cheapest times to fly from Las Vegas to Washington

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 Las Vegas to Washington are during the month of October. You can find some of the cheapest flights from Las Vegas to Washington with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Washington: 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 Las Vegas to Washington

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 Las Vegas to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 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 Las Vegas to Washington 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 Las Vegas to Washington 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.

 

Las Vegas to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.