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$95+ Cheap flights from Reagan-National (DCA) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
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Find cheap flights from Reagan-National to Las Vegas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl are usually found in August or November, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Reagan-National to Las Vegas

Cheapest flights from Reagan-National to Las Vegas
Explore the most affordable flight options available from Reagan-National to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.

This deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 pm -
1 stop8h 44m
Mon 10/1210:30 am -
1 stop8h 28m
Deal found 8/4$164
This deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 pm -
1 stop8h 44m
Thu 9/1711:52 am -
1 stop7h 07m
Deal found 8/5$181
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am -
Nonstop5h 07m
Tue 9/111:45 am -
Nonstop4h 50m
Deal found 8/4$189
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am -
Nonstop5h 07m
Mon 8/3111:45 am -
Nonstop4h 50m
Deal found 8/4$193
This deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 pm -
1 stop8h 31m
Fri 10/1610:30 am -
1 stop8h 28m
Deal found 8/8$194
This deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 am -
1 stop6h 46m
Mon 9/216:45 am -
1 stop7h 14m
Deal found 8/4$195
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am -
Nonstop5h 10m
Sat 8/2912:20 am -
1 stop7h 50m
Deal found 8/7$199
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am -
Nonstop5h 10m
Tue 9/19:45 am -
2 stops8h 10m
Deal found 8/7$204
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:35 pm -
1 stop8h 00m
Mon 8/319:45 am -
1 stop8h 10m
Deal found 8/6$209
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am -
Nonstop5h 07m
Wed 9/211:45 am -
Nonstop4h 50m
Deal found 8/5$219
This American Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:00 am -
Nonstop5h 07m
Wed 9/911:41 am -
Nonstop4h 54m
Deal found 8/8$220

Find flight deals from Reagan-National to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$164

One-way from

$95
(Southwest)

Popular in

July

Cheapest in

August

Average price

$386

Good round-trip deal

$413 or less

Good one-way deal

$239 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Las Vegas Harry Reid Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Fri 8/28

4:20 pm-7:45 pm

1 stop6h 25m

Las Vegas Harry Reid Intl

Tue 9/1

8:00 am-6:00 pm

1 stop7h 00m

$239

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Sun 8/30

6:05 am-11:30 am

2 stops8h 25m

Las Vegas Harry Reid Intl

Fri 9/4

12:05 pm-9:55 pm

1 stop6h 50m

$244

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Wed 9/2

3:30 pm-6:55 pm

1 stop6h 25m

Las Vegas Harry Reid Intl

Sat 9/5

1:10 pm-8:55 pm

Nonstop4h 45m

$259

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Wed 11/4

11:55 am-4:41 pm

1 stop7h 46m

Las Vegas Harry Reid Intl

Wed 11/11

12:15 pm-10:15 pm

1 stop7h 00m

$264

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Thu 8/20

7:45 am-12:38 pm

1 stop7h 53m

Las Vegas Harry Reid Intl

Mon 8/24

10:45 pm-8:36 am

1 stop6h 51m

$269

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Fri 10/23

4:00 pm-10:06 pm

1 stop9h 06m

Las Vegas Harry Reid Intl

Mon 10/26

11:35 pm-8:35 am

1 stop6h 00m

$269

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Sun 9/6

2:00 pm-6:39 pm

1 stop7h 39m

Las Vegas Harry Reid Intl

Sun 9/13

11:50 pm-8:55 am

1 stop6h 05m

$318

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Thu 9/10

4:35 pm-8:10 pm

1 stop6h 35m

Las Vegas Harry Reid Intl

Sat 9/12

12:20 am-11:10 am

1 stop7h 50m

$324

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Tue 10/20

6:05 am-11:30 am

2 stops8h 25m

Las Vegas Harry Reid Intl

Wed 10/21

10:40 am-10:55 pm

2 stops9h 15m

$335

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Tue 9/1

10:58 am-6:24 pm

1 stop10h 26m

Las Vegas Harry Reid Intl

Tue 9/8

11:59 pm-10:44 am

1 stop7h 45m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Showing 1-10 of 24 resultsSorted by cheapest first
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2
3

Compare providers for flights from Reagan-National to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Las Vegas in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Las Vegas

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?

The best time to book flights from Washington, D.C. Reagan-National Airport to Las Vegas is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $376). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in June is currently the most expensive (average of $563). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to LAS?

Find hourly flight availability from Reagan-National to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 9, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Las Vegas as you normally would.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Las Vegas?

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Las Vegas flights typically cost between $271 and $541 in October.
The cheapest round-trip price found within the last 5 days was $164 on Frontier (Oct 6-Oct 12).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated August 9, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Las Vegas, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,216 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,216 reviews
Southwest
8.0
Very good
4,216 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,500 reviews
Southwest
8.0
Very good
4,216 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,894 reviews
Southwest
8.0
Very good
4,216 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,030 reviews
Southwest
8.0
Very good
4,216 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Frontier
5.6
Fair
2,719 reviews
Southwest
8.0
Very good
4,216 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Washington, D.C. Reagan-National?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Las Vegas. You should not have trouble finding flights to Harry Reid Intl from Washington, D.C. Reagan-National; the airport handles an average of 2 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Las Vegas airport from Washington, D.C. Reagan-National. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Las Vegas?

    Southwest, United Airlines, and Delta can get you from Washington, D.C. Reagan-National Airport to Las Vegas in just under 6h 25m. Your travel time can differ by up to 1h 28m. The distance between Washington, D.C. Reagan-National Airport and Las Vegas is about 2082 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Las Vegas round-trip?

    According to our current data, Frontier ($150), Alaska Airlines ($188), and Southwest ($200) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Las Vegas. You may be able to fly from Washington, D.C. Reagan-National Airport to Las Vegas for 69% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Las Vegas one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $76. Southwest flights start at $103 while deals on American Airlines start at $128 one-way.

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Las Vegas?

    On average you can expect to pay $1,257 for a flight from Washington, D.C. Reagan-National Airport to Las Vegas. The cheapest flight overall is $124 while the most popular route, (Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl) is currently priced at $209.

  • Can I find deals for flights from Reagan-National to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Las Vegas.

  • Can I find deals for business class flights from Reagan-National to Las Vegas?

    Yes. Cheapflights offers flight deals from Reagan-National to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $376). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in June is currently the most expensive (average of $563). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
Mesquite
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

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Alternative routes for Reagan-National to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Las Vegas flights
Baltimore to Las Vegas flights
Dulles Intl to Reno flights
Reagan-National to Reno flights
Baltimore to Reno flights

Top 7 airlines flying from Reagan-National to Las Vegas

Discover the top 7 airlines that operate flights from Reagan-National to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$299FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$188Average$376FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$200Average$547FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$469FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$596FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$265Average$384FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$285Average$552FlexibilityNo cancel feeOn-time71%

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