How long is the flight from Las Vegas to Washington, D.C.?

There are many flights that can get you from Las Vegas to Washington, D.C. in 4h 25m. Fly via Frontier, Alaska Airlines, or Southwest to get the fastest option. Airlines will cover a distance of 2099 mi. This flight may include one or multiple stops.

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

Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $134. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $144 and $228, respectively. Users have found that Delta is 65% cheaper than the other options available to this destination.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $99 and $119 on JetBlue and United Airlines, respectively.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Las Vegas to Washington, D.C.?

While some choose either Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National or Las Vegas Harry Reid Intl - Baltimore/Washington, Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl is the most popular route from Las Vegas to Washington, D.C..

What are the cheapest flights from Las Vegas to Washington, D.C.?

Looking at all options, your cheapest flight can be booked for $80. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $146 on average, our data indicates $878 when flying from Las Vegas to Washington, D.C..

What are the most reliable airlines from Las Vegas to Washington, D.C.?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to Washington, D.C. on time: Ethiopian Air (89%), Austrian Airlines (89%), Brussels Airlines (89%).

What are the most popular airlines that fly from Las Vegas to Washington, D.C.?

United Airlines, Frontier and Southwest are the most popular airlines when flying from Las Vegas to Washington, D.C..

Most accurate provider : When it comes to deals on Las Vegas-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Las Vegas-Washington, D.C. 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 Las Vegas-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Las Vegas to Washington, D.C.?

Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Harry Reid Intl; the airport handles an average of 7 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Las Vegas to Washington, D.C.?

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

Can I find deals for business class flights from Las Vegas to Washington, D.C.?

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

$99+ Cheap Flights from Las Vegas to Washington, D.C.

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in September or August, booked 34 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Las Vegas to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Thu 9/1710:46 pm -

Nonstop4h 34m

Sun 9/206:00 am -

Nonstop4h 58m

Deal found 8/21

$146

Sat 10/312:59 am -

1 stop7h 34m

Tue 10/66:00 am -

Nonstop4h 58m

Deal found 8/18

$150

Thu 10/1512:40 am -

1 stop7h 54m

Sun 10/186:00 am -

Nonstop5h 04m

Deal found 8/20

$151

Thu 9/176:45 am -

1 stop7h 14m

Sun 9/207:00 am -

1 stop6h 46m

Deal found 8/21

$157

Tue 10/209:54 pm -

1 stop8h 33m

Thu 10/225:40 am -

1 stop7h 56m

Deal found 8/18

$182

Sat 9/56:40 am -

1 stop8h 03m

Tue 9/86:45 am -

1 stop8h 44m

Deal found 8/21

$198

Sat 9/127:30 am -

1 stop11h 25m

Sat 9/1910:22 am -

1 stop15h 04m

Deal found 8/21

$223

Tue 9/1510:04 pm -

1 stop8h 21m

Sat 9/199:25 pm -

1 stop28h 20m

Deal found 8/22

$231

Tue 9/157:30 am -

1 stop11h 27m

Wed 9/1610:22 am -

1 stop15h 04m

Deal found 8/21

$232

Tue 9/2912:59 pm -

2 stops17h 26m

Thu 10/16:22 pm -

1 stop17h 25m

Deal found 8/20

$233

Sat 9/127:30 am -

1 stop13h 40m

Sat 9/199:04 pm -

1 stop28h 41m

Deal found 8/22

$233

Tue 10/610:04 pm -

1 stop8h 21m

Tue 10/135:40 am -

1 stop8h 04m

Deal found 8/18

$235

Best flights from Las Vegas to Washington, D.C.
Discover carefully curated flight deals from Las Vegas to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Tue 9/229:40 am -

1 stop9h 19m

Sun 9/277:00 am -

1 stop6h 46m

Deal found 8/22

$332

Tue 9/292:51 pm -

1 stop24h 23m

Sat 10/37:02 am -

1 stop12h 09m

Deal found 8/19

$337

Sat 10/2410:15 pm -

Nonstop4h 25m

Thu 10/299:55 pm -

Nonstop5h 10m

Deal found 8/21

$357

Sat 12/1911:59 pm -

Nonstop4h 29m

Wed 12/305:28 pm -

1 stop7h 50m

Deal found 8/18

$381

Tue 9/1510:30 am -

1 stop10h 29m

Sat 9/267:00 am -

1 stop11h 32m

Deal found 8/18

$337

Wed 8/266:00 am -

1 stop12h 59m

Wed 9/21:59 pm -

1 stop9h 00m

Deal found 8/22

$356

Sat 9/126:35 am -

Nonstop4h 30m

Sat 9/1910:55 am -

1 stop6h 30m

Deal found 8/22

$363

Tue 10/2712:08 pm -

1 stop8h 51m

Tue 11/106:46 pm -

1 stop18h 05m

Deal found 8/20

$337

Thu 12/108:00 am -

2 stops11h 56m

Mon 12/148:00 am -

1 stop9h 42m

Deal found 8/22

$384

Thu 10/295:40 pm -

Nonstop4h 25m

Mon 11/28:05 pm -

1 stop6h 45m

Deal found 8/20

$363

Sat 10/310:44 am -

2 stops9h 15m

Mon 10/58:00 am -

1 stop10h 10m

Deal found 8/19

$384

Sat 9/261:10 pm -

Nonstop4h 45m

Mon 10/56:50 pm -

1 stop7h 30m

Deal found 8/21

$367

Fri 11/131:57 pm -

1 stop7h 43m

Sat 11/1412:56 pm -

Nonstop5h 21m

Deal found 8/19

$385

Thu 10/15:40 pm -

Nonstop4h 25m

Wed 10/142:15 pm -

1 stop7h 35m

Deal found 8/20

$367

Fri 9/46:19 pm -

1 stop18h 41m

Sun 9/610:59 am -

1 stop8h 49m

Deal found 8/22

$419

Thu 9/310:50 am -

1 stop9h 10m

Sat 9/56:05 am -

2 stops12h 53m

Deal found 8/22

$398

Tue 10/68:00 am -

1 stop6h 50m

Tue 10/137:35 pm -

Nonstop5h 10m

Deal found 8/22

$367

Thu 9/103:45 pm -

Nonstop4h 40m

Wed 9/165:40 pm -

1 stop7h 30m

Deal found 8/19

$367

Thu 10/157:01 am -

1 stop7h 49m

Mon 10/197:02 am -

2 stops19h 31m

Deal found 8/22

$445

Sat 12/1911:59 pm -

Nonstop4h 29m

Mon 12/288:06 pm -

Nonstop5h 16m

Deal found 8/18

$455

Sat 9/1210:50 pm -

1 stop10h 05m

Sat 9/194:55 pm -

1 stop8h 15m

Deal found 8/22

$377

Thu 12/106:00 am -

1 stop10h 01m

Mon 12/145:38 pm -

2 stops20h 59m

Deal found 8/22

$463

Wed 9/168:55 am -

2 stops9h 00m

Sat 9/196:55 am -

1 stop9h 20m

Deal found 8/18

$382

Tue 10/612:59 am -

1 stop7h 29m

Wed 10/73:47 pm -

1 stop7h 41m

Deal found 8/20

$474

Sat 10/177:45 am -

2 stops10h 05m

Tue 10/206:05 am -

2 stops8h 50m

Deal found 8/22

$387

Thu 9/1011:57 pm -

Nonstop4h 33m

Wed 9/166:00 pm -

Nonstop5h 08m

Deal found 8/21

$483

Thu 9/176:45 am -

1 stop5h 55m

Sat 9/196:05 am -

2 stops9h 15m

Deal found 8/18

$396

Sat 10/310:15 pm -

Nonstop4h 25m

Sat 10/106:20 pm -

Nonstop5h 10m

Deal found 8/19

$401

Thu 9/109:05 am -

Nonstop4h 40m

Wed 9/166:10 am -

1 stop8h 55m

Deal found 8/19

$403

Tue 10/209:15 am -

Nonstop4h 30m

Thu 10/226:50 pm -

1 stop7h 30m

Deal found 8/20

$417

Last-minute flights from Las Vegas to Washington, D.C.
Discover last-minute flight deals from Las Vegas to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

Sat 9/56:40 am -

1 stop8h 03m

Tue 9/86:45 am -

1 stop8h 44m

Deal found 8/21

$198

Wed 9/912:59 am -

1 stop7h 34m

Sat 9/126:00 am -

Nonstop4h 58m

Deal found 8/18

$226

Sat 9/127:30 am -

1 stop11h 25m

Sat 9/1910:22 am -

1 stop15h 04m

Deal found 8/22

$223

Sat 9/127:30 am -

1 stop13h 40m

Sat 9/199:04 pm -

1 stop28h 41m

Deal found 8/22

$233

Tue 9/1510:04 pm -

1 stop8h 21m

Sat 9/199:25 pm -

1 stop28h 20m

Deal found 8/22

$231

Tue 9/157:30 am -

1 stop11h 27m

Wed 9/1610:22 am -

1 stop15h 04m

Deal found 8/21

$232

Wed 9/1610:06 pm -

1 stop9h 11m

Sat 9/196:00 am -

Nonstop4h 58m

Deal found 8/18

$228

Thu 9/1710:46 pm -

Nonstop4h 34m

Sun 9/206:00 am -

Nonstop4h 58m

Deal found 8/21

$146

Thu 9/176:45 am -

1 stop7h 14m

Sun 9/207:00 am -

1 stop6h 46m

Deal found 8/21

$157

Thu 9/175:20 pm -

2 stops15h 13m

Sat 9/196:00 am -

Nonstop4h 58m

Deal found 8/18

$227

Tue 9/2910:46 pm -

Nonstop4h 34m

Sat 10/39:33 am -

1 stop25h 34m

Deal found 8/18

$216

Tue 9/2912:59 pm -

2 stops17h 26m

Thu 10/16:22 pm -

1 stop17h 25m

Deal found 8/20

$233

One-way flights from Las Vegas to Washington, D.C.
Search for one-way flight options from Las Vegas to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Fri 10/1612:52 am -

1 stop16h 25m

Deal found 8/18

$99

Sat 10/2410:43 pm -

Nonstop4h 37m

Deal found 8/18

$102

Tue 11/1711:48 pm -

1 stop8h 19m

Deal found 8/18

$110

Wed 10/219:57 pm -

1 stop13h 12m

Deal found 8/21

$113

Mon 11/911:35 pm -

1 stop6h 36m

Deal found 8/18

$114

Wed 10/79:51 pm -

1 stop13h 18m

Deal found 8/19

$115

Wed 9/912:59 pm -

2 stops25h 19m

Deal found 8/20

$117

Wed 9/239:51 pm -

1 stop13h 16m

Deal found 8/21

$118

Sat 9/2610:46 pm -

Nonstop4h 34m

Deal found 8/21

$118

Tue 10/610:46 pm -

Nonstop4h 34m

Deal found 8/22

$119

Tue 10/2012:59 pm -

2 stops17h 28m

Deal found 8/21

$120

Fri 9/1810:04 pm -

1 stop16h 14m

Deal found 8/22

$120

Find flight deals from Las Vegas to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$146
One-way from	$99 (Kiwi.com)
Popular in	March
Cheapest in	September
Average price	$287
Good round-trip deal	$253 or less
Good one-way deal	$168 or less

Provider with most accurate pricing for Las Vegas Harry Reid Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Washington, D.C. (WAS) flights.

Search Deals

From Las Vegas Harry Reid Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($45 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 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 Las Vegas Harry Reid Intl to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasWashington, D.C.

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

LASDCA

Las Vegas Harry Reid Intl

Tue 9/22

9:40 am-9:59 pm

1 stop9h 19m

Washington, D.C. Reagan-National

Sun 9/27

7:00 am-10:46 am

1 stop6h 46m

$332

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 9/29

2:51 pm-6:14 pm

1 stop24h 23m

Washington, D.C. Dulles Intl

Sat 10/3

7:02 am-4:11 pm

1 stop12h 09m

$337

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 9/15

10:30 am-11:59 pm

1 stop10h 29m

Washington, D.C. Dulles Intl

Sat 9/26

7:00 am-3:32 pm

1 stop11h 32m

$337

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 10/27

12:08 pm-11:59 pm

1 stop8h 51m

Washington, D.C. Dulles Intl

Tue 11/10

6:46 pm-9:51 am

1 stop18h 05m

$337

Las VegasWashington, D.C.

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

LASDCA

Las Vegas Harry Reid Intl

Wed 8/26

6:00 am-9:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Wed 9/2

1:59 pm-7:59 pm

1 stop9h 00m

$356

Quickest round-trip

Las VegasBaltimore

LAS Las Vegas Harry Reid Intl - BWI Baltimore/Washington

LASBWI

Las Vegas Harry Reid Intl

Sat 10/24

10:15 pm-5:40 am

Nonstop4h 25m

Baltimore/Washington

Thu 10/29

9:55 pm-12:05 am

Nonstop5h 10m

$357

Las VegasBaltimore

LAS Las Vegas Harry Reid Intl - BWI Baltimore/Washington

LASBWI

Las Vegas Harry Reid Intl

Sat 9/12

6:35 am-2:05 pm

Nonstop4h 30m

Baltimore/Washington

Sat 9/19

10:55 am-2:25 pm

1 stop6h 30m

$363

Las VegasBaltimore

LAS Las Vegas Harry Reid Intl - BWI Baltimore/Washington

LASBWI

Las Vegas Harry Reid Intl

Thu 10/29

5:40 pm-1:05 am

Nonstop4h 25m

Baltimore/Washington

Mon 11/2

8:05 pm-11:50 pm

1 stop6h 45m

$363

Las VegasWashington, D.C.

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

LASDCA

Las Vegas Harry Reid Intl

Sat 9/26

1:10 pm-8:55 pm

Nonstop4h 45m

Washington, D.C. Reagan-National

Mon 10/5

6:50 pm-11:20 pm

1 stop7h 30m

$367

Las VegasBaltimore

LAS Las Vegas Harry Reid Intl - BWI Baltimore/Washington

LASBWI

Las Vegas Harry Reid Intl

Thu 10/1

5:40 pm-1:05 am

Nonstop4h 25m

Baltimore/Washington

Wed 10/14

2:15 pm-6:50 pm

1 stop7h 35m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Las Vegas to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Washington, D.C. in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy1 star	Trust 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 Las Vegas-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Las Vegas-Washington, D.C. 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 Las Vegas-Washington, D.C. 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 Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.

LAS-WAS

LAS-IAD

LAS-DCA

LAS-BWI

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 Las Vegas to Washington, D.C.

LAS-WAS

LAS-IAD

LAS-DCA

LAS-BWI

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

Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $355). Flying from Las Vegas to Washington, D.C. in March is currently the most expensive (average of $515). 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 LAS to WAS?

It’s optimal to fly from Las Vegas to Washington, D.C. in the evening. By choosing this option you can save up to 56% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Las Vegas to Washington, D.C.

The most flights from LAS to WAS are scheduled on a Friday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

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

Airfare is below average for this route at the moment.

Las Vegas to Washington, D.C. flights typically cost between $203 and $406 in September.
The cheapest round-trip price found within the last 5 days was $146 on Frontier (Sep 17-Sep 20).

What’s the top layover airport for flights from Las Vegas to Washington, D.C.?

Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Las Vegas to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Las Vegas to Washington, D.C.?

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $155.

What’s the fastest layover option from Las Vegas to Washington, D.C.?

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 8h 09m.

Which airport typically offers the quickest layover for flights from Las Vegas to Washington, D.C.?

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 57m.

How often are flights from Las Vegas to Washington, D.C. delayed?

About 14% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Las Vegas to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from Las Vegas to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Las Vegas to Washington, D.C.?

Travelers seeking maximum savings on their Las Vegas to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Las Vegas to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Washington, D.C. trip

Our travel experts

Ramsey Qubein

Expert on IAD and LAS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Las Vegas to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Southwest

8.0

Very good

4,213 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Delta

7.8

Good

8,514 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

United Airlines

7.4

Good

10,113 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

American Airlines

7.1

Good

11,983 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Frontier

5.6

Fair

2,656 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

What airport do you fly from for flights from Las Vegas to Washington, D.C.?
Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Harry Reid Intl; the airport handles an average of 7 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.
How long is the flight from Las Vegas to Washington, D.C.?
There are many flights that can get you from Las Vegas to Washington, D.C. in 4h 25m. Fly via Frontier, Alaska Airlines, or Southwest to get the fastest option. Airlines will cover a distance of 2099 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Las Vegas to Washington, D.C. round-trip?
Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $134. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $144 and $228, respectively. Users have found that Delta is 65% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Las Vegas to Washington, D.C. one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $99 and $119 on JetBlue and United Airlines, respectively.
What are the most popular routes from Las Vegas to Washington, D.C.?
While some choose either Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National or Las Vegas Harry Reid Intl - Baltimore/Washington, Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl is the most popular route from Las Vegas to Washington, D.C..
What are the most reliable airlines from Las Vegas to Washington, D.C.?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to Washington, D.C. on time: Ethiopian Air (89%), Austrian Airlines (89%), Brussels Airlines (89%).
What are the cheapest flights from Las Vegas to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $80. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $146 on average, our data indicates $878 when flying from Las Vegas to Washington, D.C..
Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Washington, D.C..
Can I find deals for business class flights from Las Vegas to Washington, D.C.?
Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. 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 Las Vegas to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $355). Flying from Las Vegas to Washington, D.C. in March is currently the most expensive (average of $515). 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.

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Top 6 airlines flying from Las Vegas to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$134	Average$329	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$144	Average$317	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$198	Average$472	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$228	Average$559	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$234	Average$474	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$286	Average$447	FlexibilityNo cancel fee	On-time62%

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$99+ Cheap flights from Las Vegas (LAS) to Washington, D.C. (WAS)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Las Vegas to Washington, D.C.

Cheapest flights from Las Vegas to Washington, D.C.Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Best flights from Las Vegas to Washington, D.C.Discover carefully curated flight deals from Las Vegas to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Discover carefully curated flight deals from Las Vegas to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Las Vegas to Washington, D.C.Discover last-minute flight deals from Las Vegas to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

Discover last-minute flight deals from Las Vegas to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Las Vegas to Washington, D.C.Search for one-way flight options from Las Vegas to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Search for one-way flight options from Las Vegas to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

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Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Compare providers for flights from Las Vegas to Washington, D.C.

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 Las Vegas to Washington, D.C. in August.

Best time to book a flight from Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Las Vegas to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 23, 2026.

It’s optimal to fly from Las Vegas to Washington, D.C. in the evening. By choosing this option you can save up to 56% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Las Vegas to Washington, D.C.

The most flights from LAS to WAS are scheduled on a Friday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

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

Airfare is below average for this route at the moment.

Las Vegas to Washington, D.C. flights typically cost between $203 and $406 in September.The cheapest round-trip price found within the last 5 days was $146 on Frontier (Sep 17-Sep 20).

What’s the top layover airport for flights from Las Vegas to Washington, D.C.?

Share of 1-stop round-trip flights from Las Vegas to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Las Vegas to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Las Vegas to Washington, D.C.?

Average round-trip fare for 1-stop flights from Las Vegas to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $155.

What’s the fastest layover option from Las Vegas to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Las Vegas to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 8h 09m.

Which airport typically offers the quickest layover for flights from Las Vegas to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Las Vegas to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 57m.

How often are flights from Las Vegas to Washington, D.C. delayed?

About 14% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Las Vegas to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from Las Vegas to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Las Vegas to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Washington, D.C.. Price data was last updated on August 22, 2026.

Travelers seeking maximum savings on their Las Vegas to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Las Vegas to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Washington, D.C. trip

Our travel experts

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Las Vegas to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Las Vegas to Washington, D.C.?

How long is the flight from Las Vegas to Washington, D.C.?

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

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

What are the most popular routes from Las Vegas to Washington, D.C.?

What are the most reliable airlines from Las Vegas to Washington, D.C.?

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Best flights from Las Vegas to Washington, D.C.
Discover carefully curated flight deals from Las Vegas to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Las Vegas to Washington, D.C.
Discover last-minute flight deals from Las Vegas to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Las Vegas to Washington, D.C.
Search for one-way flight options from Las Vegas to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Las Vegas to Washington, D.C. flights typically cost between $203 and $406 in September.
The cheapest round-trip price found within the last 5 days was $146 on Frontier (Sep 17-Sep 20).