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CA $129 Cheap Flights from Washington (DCA) to Las Vegas (LAS)

View CA $129 flight on Tue, Aug 25, 2026Opens 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 CA $129 for one-way flights and CA $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Aug 16 - Tue, Aug 25
DCA
Washington
LAS
Las Vegas
CA $254 Roundtrip, found 1 day ago
CA $254
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Aug 16 from Washington to Las Vegas, returning Tue, Aug 25, priced at CA $254 found 1 day ago
American Airlines
Tue, Aug 18 - Tue, Aug 25
DCA
Washington
LAS
Las Vegas
CA $255 Roundtrip, found 19 hours ago
CA $255
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Aug 18 from Washington to Las Vegas, returning Tue, Aug 25, priced at CA $255 found 19 hours ago
American Airlines
Tue, Aug 18 - Tue, Aug 25
DCA
Washington
LAS
Las Vegas
CA $313 Roundtrip, found 19 hours ago
CA $313
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Aug 18 from Washington to Las Vegas, returning Tue, Aug 25, priced at CA $313 found 19 hours ago
American Airlines
Tue, Aug 18 - Tue, Aug 25
DCA
Washington
LAS
Las Vegas
CA $343 Roundtrip, found 19 hours ago
CA $343
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Aug 18 from Washington to Las Vegas, returning Tue, Aug 25, priced at CA $343 found 19 hours ago
Delta
Tue, Dec 1 - Mon, Dec 7
DCA
Washington
LAS
Las Vegas
CA $364 Roundtrip, found 13 hours ago
CA $364
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Dec 1 from Washington to Las Vegas, returning Mon, Dec 7, priced at CA $364 found 13 hours ago
American Airlines
Wed, Aug 26 - Thu, Aug 27
DCA
Washington
LAS
Las Vegas
CA $371 Roundtrip, found 6 days ago
CA $371
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Aug 26 from Washington to Las Vegas, returning Thu, Aug 27, priced at CA $371 found 6 days ago
American Airlines
Tue, Aug 18 - Tue, Aug 25
DCA
Washington
LAS
Las Vegas
CA $376 Roundtrip, found 19 hours ago
CA $376
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Aug 18 from Washington to Las Vegas, returning Tue, Aug 25, priced at CA $376 found 19 hours ago
Alaska Airlines
Thu, Aug 20 - Wed, Aug 26
DCA
Washington
LAS
Las Vegas
CA $384 Roundtrip, found 2 days ago
CA $384
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Aug 20 from Washington to Las Vegas, returning Wed, Aug 26, priced at CA $384 found 2 days ago
JetBlue Airways
Tue, Aug 18 - Tue, Aug 25
DCA
Washington
LAS
Las Vegas
CA $433 Roundtrip, found 19 hours ago
CA $433
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Tue, Aug 18 from Washington to Las Vegas, returning Tue, Aug 25, priced at CA $433 found 19 hours ago
United
Tue, Dec 1 - Mon, Dec 7
DCA
Washington
LAS
Las Vegas
CA $510 Roundtrip, found 13 hours ago
CA $510
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Dec 1 from Washington to Las Vegas, returning Mon, Dec 7, priced at CA $510 found 13 hours ago

Frequently asked questions

How much does a flight from Washington, DC (DCA) to Las Vegas, NV (LAS) cost?
You can find cheap one-way flights from CA $129 and cheap return flights from CA $254 DCA to LAS with Expedia. Return flights often range between CA$771 and CA$2,070. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DCA to LAS ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
September is typically the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), with average return fares around CA$454. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. January and August are also good months to find deals on this route.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Two airlines offer direct flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.). Here are the carriers:
  • American Airlines operates 10 direct flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
  • Southwest Airlines operates 8 direct flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
For connecting flights, Frontier Airlines is one of the cheapest, with return tickets starting from around CA$199. Southwest Airlines is one of the cheapest airlines offering nonstop return flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), with prices starting from around CA$213 for flights that can be booked for departure within the next year. These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Washington, DC (DCA) to Las Vegas, NV (LAS)?
To find a cheap flight from Washington, DC (DCA) to Las Vegas, NV (LAS), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. American Airlines offers the most daily flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) is typically September. This month offers a great balance—prices are reasonable at around CA$454 for a return flight, and you'll have plenty of flight options since it's a popular time to travel. September brings pleasant weather to Las Vegas, allowing you to enjoy the city before the peak season crowds. If you're flexible, this month gives you both affordable fares and excellent flight schedules to work with.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll find around 3 nonstop flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.). For even more choices, look at flights that include layovers, as there are approximately 192 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) typically departs around 5:00 AM. This flight is operated by American Airlines and is a seasonal service, active in April and May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll typically find the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) on a Friday, with around 107 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Southwest Airlines, and United. Friday offers notably more flight options compared to other days of the week, making it a great day to consider for your journey.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Southwest Airlines and Frontier Airlines, offer flights during this window. Many travellers prefer these times as it allows for an early start to their trip, getting them to their destination with plenty of time to spare in the day.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
When flying from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), you have a few options. A nonstop flight typically takes around 5 hours 18 minutes, covering a distance of approximately 3,354 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 7 hours 48 minutes. Flights with two or more stops will take even longer, typically around 11 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You can fly business class or first class between DCA and LAS. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas, NV (LAS) from Washington, DC (DCA)?
If you're planning to travel to Las Vegas from Ronald Reagan Washington National (DCA), you can fly directly into Harry Reid International Airport (LAS). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Love Field (DAL), or Los Angeles Intl. (LAX) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA) to Las Vegas, NV (LAS)?
If you booked your Washington, DC (DCA) to Las Vegas, NV (LAS) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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

Origin airport
Ronald Reagan Washington National
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $253
Distance
3333 km
Average flight time
2 hours 51 mins

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Washington to Las Vegas Flights

The easy way to book your flights from Washington to Las Vegas 

With Expedia, it’s simple to find and book flights to Las Vegas from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Harry Reid Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Las Vegas today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ronald Reagan Washington National, DCA to Harry Reid Intl., LAS 

Sort your search results by price to find great deals on your flight from Washington to Las Vegas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Las Vegas from Washington currently is just CA $254 rising to CA $510.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Las Vegas  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Las Vegas from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Las Vegas with Expedia today.

Washington to Las Vegas Flights

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