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 6h 26m. Fly via Frontier, Spirit Airlines, or Delta 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 Frontier is currently your cheapest option to Washington, D.C., with prices starting at $125. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $221 and $226, respectively. Users have found that Frontier is 61% 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 Alaska Airlines. According to our data, you can fly for as low as $62. Users have also found prices from $66 and $103 on Frontier and American 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 $115. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $174 on average, our data indicates $1,023 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 (92%), Austrian Airlines (90%), Brussels Airlines (90%).

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

United Airlines, Frontier and American Airlines 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Las Vegas-Washington, D.C. flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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 3 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.

$48+ Flights from Las Vegas to Washington, D.C.

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in August or July, booked 44 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 December 18, 2025.

Sun 12/2812:59 amLAS - BWI

1 stop12h 48mFrontier

Thu 1/88:07 pmBWI - LAS

1 stop7h 34mFrontier

Deal found 12/16

$199

Wed 12/2412:59 amLAS - DCA

1 stop18h 00mFrontier

Thu 1/18:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$208

Tue 12/2310:01 pmLAS - BWI

1 stop19h 47mFrontier

Thu 1/111:55 amBWI - LAS

1 stop12h 57mFrontier

Deal found 12/16

$208

Wed 12/2412:59 amLAS - DCA

1 stop9h 02mFrontier

Fri 1/28:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$216

Tue 12/2310:01 pmLAS - BWI

1 stop19h 47mFrontier

Sat 1/35:30 amBWI - LAS

1 stop13h 28mFrontier

Deal found 12/15

$228

Wed 12/246:00 amLAS - DCA

1 stop28h 01mFrontier

Sun 1/48:00 amDCA - LAS

1 stop14h 43mFrontier

Deal found 12/17

$231

Sat 12/206:00 amLAS - DCA

1 stop7h 59mFrontier

Wed 1/76:00 pmDCA - LAS

1 stop7h 53mFrontier

Deal found 12/16

$233

Thu 12/2510:31 pmLAS - BWI

1 stop9h 15mFrontier

Thu 1/111:55 amBWI - LAS

1 stop12h 57mFrontier

Deal found 12/16

$233

Mon 12/226:00 amLAS - DCA

1 stop12h 59mFrontier

Wed 1/78:59 amDCA - LAS

1 stop8h 24mFrontier

Deal found 12/17

$234

Sun 12/2112:59 amLAS - DCA

1 stop18h 00mFrontier

Sat 1/38:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/15

$235

Tue 12/167:24 pmLAS - DCA

1 stop23h 35mFrontier

Wed 1/218:59 amDCA - LAS

1 stop12h 21mFrontier

Deal found 12/16

$237

Sat 12/206:00 amLAS - DCA

1 stop7h 59mFrontier

Thu 1/18:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$241

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 December 18, 2025.

Wed 1/1412:59 amLAS - BWI

1 stop7h 48mFrontier

Sun 1/182:24 pmBWI - LAS

1 stop13h 35mFrontier

Deal found 12/14

$123

Fri 1/1612:59 amLAS - BWI

1 stop8h 04mMultiple Airlines

Tue 1/207:10 amBWI - LAS

2 stops14h 37mMultiple Airlines

Deal found 12/17

$167

Fri 1/301:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Sat 2/711:30 amBWI - LAS

3 stops24h 58mSpirit Airlines

Deal found 12/16

$217

Thu 2/1911:05 amLAS - IAD

1 stop9h 05mDelta

Mon 2/237:30 amIAD - LAS

1 stop10h 32mDelta

Deal found 12/16

$285

Sat 1/178:00 amLAS - DCA

1 stop10h 59mAlaska Airlines

Tue 1/209:59 amDCA - LAS

2 stops15h 01mAlaska Airlines

Deal found 12/17

$305

Sat 1/1711:25 amLAS - DCA

Nonstop4h 30mSouthwest

Tue 1/204:25 pmDCA - LAS

1 stop7h 25mSouthwest

Deal found 12/16

$311

Sat 1/171:55 pmLAS - IAD

Nonstop4h 30mUnited Airlines

Tue 1/208:30 amIAD - LAS

Nonstop5h 27mUnited Airlines

Deal found 12/17

$335

Wed 2/1111:03 pmLAS - BWI

1 stop14h 38mFrontier

Tue 2/176:00 amBWI - LAS

1 stop9h 45mFrontier

Deal found 12/15

$192

Fri 2/2012:59 amLAS - DCA

1 stop9h 01mMultiple Airlines

Wed 2/258:59 amDCA - LAS

1 stop8h 48mMultiple Airlines

Deal found 12/17

$217

Wed 12/246:00 amLAS - DCA

1 stop28h 01mFrontier

Sun 1/48:00 amDCA - LAS

1 stop14h 43mFrontier

Deal found 12/17

$231

Mon 1/126:40 amLAS - BWI

2 stops24h 47mMultiple Airlines

Fri 1/168:43 pmBWI - LAS

1 stop29h 18mMultiple Airlines

Deal found 12/16

$233

Thu 1/1511:00 amLAS - IAD

1 stop9h 10mDelta

Tue 1/207:30 amIAD - LAS

1 stop10h 30mDelta

Deal found 12/16

$285

Fri 1/2312:22 pmLAS - DCA

1 stop6h 37mFrontier

Fri 1/302:00 pmDCA - LAS

1 stop27h 46mFrontier

Deal found 12/16

$253

Wed 1/142:05 pmLAS - BWI

1 stop6h 21mDelta

Tue 1/205:25 pmBWI - LAS

1 stop7h 55mDelta

Deal found 12/14

$287

Sat 1/315:42 pmLAS - BWI

1 stop21h 32mAlaska Airlines

Tue 2/37:14 pmBWI - LAS

1 stop26h 59mAlaska Airlines

Deal found 12/15

$332

Thu 12/259:25 amLAS - DCA

Nonstop4h 25mSouthwest

Thu 1/14:35 pmDCA - LAS

Nonstop5h 15mSouthwest

Deal found 12/15

$335

Sat 2/211:55 pmLAS - IAD

Nonstop4h 25mUnited Airlines

Wed 2/255:45 pmIAD - LAS

Nonstop5h 37mUnited Airlines

Deal found 12/17

$339

Sat 2/2110:05 pmLAS - IAD

1 stop9h 10mMultiple Airlines

Wed 2/257:05 amIAD - LAS

1 stop11h 10mMultiple Airlines

Deal found 12/17

$281

Wed 1/146:00 amLAS - BWI

1 stop6h 38mDelta

Wed 1/217:00 amBWI - LAS

1 stop8h 05mDelta

Deal found 12/14

$287

Thu 12/2512:59 amLAS - DCA

1 stop9h 02mFrontier

Thu 1/18:00 amDCA - LAS

1 stop18h 42mFrontier

Deal found 12/17

$266

Sat 1/316:00 amLAS - IAD

1 stop8h 04mAlaska Airlines

Tue 2/36:04 pmIAD - LAS

1 stop29h 56mAlaska Airlines

Deal found 12/16

$334

Thu 12/2512:59 amLAS - DCA

1 stop9h 02mFrontier

Sat 1/38:00 amDCA - LAS

1 stop18h 42mFrontier

Deal found 12/17

$266

Tue 1/611:40 pmLAS - BWI

1 stop7h 05mSouthwest

Sat 1/1010:20 amBWI - LAS

Nonstop5h 30mSouthwest

Deal found 12/14

$356

Sun 1/185:20 amLAS - IAD

2 stops8h 10mUnited Airlines

Sun 1/186:45 pmIAD - LAS

1 stop8h 14mUnited Airlines

Deal found 12/17

$368

Sat 2/216:00 amLAS - IAD

1 stop8h 27mAlaska Airlines

Wed 2/257:05 amIAD - LAS

2 stops16h 09mAlaska Airlines

Deal found 12/17

$348

Wed 12/243:47 pmLAS - DCA

2 stops27h 12mMultiple Airlines

Fri 1/28:00 amDCA - LAS

1 stop18h 42mMultiple Airlines

Deal found 12/17

$323

Mon 12/226:00 amLAS - DCA

1 stop12h 59mFrontier

Fri 1/98:01 amDCA - LAS

1 stop14h 10mFrontier

Deal found 12/15

$268

Wed 2/181:55 pmLAS - IAD

Nonstop4h 25mUnited Airlines

Mon 2/235:45 pmIAD - LAS

Nonstop5h 37mUnited Airlines

Deal found 12/17

$374

Tue 12/3011:59 pmLAS - BWI

1 stop8h 47mMultiple Airlines

Fri 1/29:34 amBWI - LAS

1 stop13h 30mMultiple Airlines

Deal found 12/17

$327

Tue 1/278:30 amLAS - IAD

Nonstop4h 30mUnited Airlines

Thu 1/2912:35 pmIAD - LAS

Nonstop5h 24mUnited Airlines

Deal found 12/17

$382

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 December 18, 2025 and is based on user searches.

Wed 12/2412:59 amLAS - DCA

1 stop18h 00mFrontier

Thu 1/18:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$208

Tue 1/610:20 pmLAS - BWI

1 stop20h 36mFrontier

Sat 1/105:30 amBWI - LAS

1 stop10h 26mFrontier

Deal found 12/14

$153

Thu 1/88:21 pmLAS - BWI

1 stop12h 28mFrontier

Tue 1/138:00 amBWI - LAS

1 stop30h 42mFrontier

Deal found 12/15

$99

Sat 1/109:32 pmLAS - BWI

1 stop11h 35mFrontier

Sat 1/1712:58 pmBWI - LAS

1 stop13h 51mFrontier

Deal found 12/14

$140

Mon 1/1210:45 pmLAS - BWI

1 stop20h 51mFrontier

Mon 1/1912:34 pmBWI - LAS

1 stop11h 18mFrontier

Deal found 12/15

$138

Mon 1/121:01 amLAS - BWI

1 stop6h 26mMultiple Airlines

Sun 1/182:24 pmBWI - LAS

1 stop13h 35mMultiple Airlines

Deal found 12/14

$149

Mon 1/1210:45 pmLAS - BWI

1 stop20h 51mMultiple Airlines

Mon 1/198:45 pmBWI - LAS

2 stops16h 46mMultiple Airlines

Deal found 12/15

$154

Wed 1/1410:33 pmLAS - BWI

1 stop14h 19mFrontier

Sat 1/1712:58 pmBWI - LAS

1 stop13h 51mFrontier

Deal found 12/14

$98

Wed 1/1412:59 amLAS - BWI

1 stop7h 48mFrontier

Sun 1/182:24 pmBWI - LAS

1 stop13h 35mFrontier

Deal found 12/14

$123

Thu 1/157:00 amLAS - BWI

1 stop8h 17mFrontier

Thu 1/227:58 pmBWI - LAS

1 stop30h 30mFrontier

Deal found 12/14

$111

Thu 1/157:00 amLAS - BWI

1 stop8h 17mFrontier

Mon 1/1912:34 pmBWI - LAS

1 stop11h 18mFrontier

Deal found 12/14

$132

Fri 1/233:35 pmLAS - BWI

1 stop15h 52mMultiple Airlines

Mon 1/2611:24 amBWI - LAS

1 stop14h 33mMultiple Airlines

Deal found 12/15

$139

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 December 18, 2025.

Sun 2/2212:59 amLAS - BWI

1 stop7h 18mFrontier

Deal found 12/16

$48

Wed 1/2111:59 pmLAS - BWI

1 stop7h 27mFrontier

Deal found 12/15

$49

Wed 2/187:30 amLAS - BWI

1 stop7h 17mFrontier

Deal found 12/15

$50

Tue 1/1310:33 pmLAS - BWI

1 stop21h 03mFrontier

Deal found 12/16

$54

Thu 1/88:21 pmLAS - BWI

1 stop12h 28mFrontier

Deal found 12/15

$55

Tue 2/2411:03 pmLAS - BWI

1 stop17h 27mFrontier

Deal found 12/16

$56

Mon 1/1210:45 pmLAS - BWI

1 stop20h 51mFrontier

Deal found 12/15

$62

Fri 1/1612:59 amLAS - BWI

1 stop8h 04mFrontier

Deal found 12/16

$67

Fri 1/167:53 pmLAS - BWI

1 stop13h 10mFrontier

Deal found 12/17

$68

Sat 1/1711:51 amLAS - BWI

1 stop20h 56mMultiple Airlines

Deal found 12/14

$72

Mon 1/58:25 pmLAS - DCA

1 stop13h 37mFrontier

Deal found 12/16

$114

Fri 1/911:51 amLAS - IAD

2 stops22h 25mMultiple Airlines

Deal found 12/16

$114

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

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$98 (Frontier)
One-way from	$48 (Kiwi.com)
Popular in	November
Cheapest in	August
Average price	$453
Good round-trip deal	$316 or less
Good one-way deal	$205 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. 19% potential increase in price ($80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Wed 1/14

12:59 am-11:47 am

1 stop7h 48m

Baltimore/Washington

Sun 1/18

2:24 pm-12:59 am

1 stop13h 35m

$123

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Fri 1/16

12:59 am-12:03 pm

1 stop8h 04m

Baltimore/Washington

Tue 1/20

7:10 am-6:47 pm

2 stops14h 37m

$167

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Wed 2/11

11:03 pm-4:41 pm

1 stop14h 38m

Baltimore/Washington

Tue 2/17

6:00 am-12:45 pm

1 stop9h 45m

$192

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Fri 1/30

1:01 am-10:27 am

1 stop6h 26m

Baltimore/Washington

Sat 2/7

11:30 am-9:28 am

3 stops24h 58m

$217

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 2/20

12:59 am-1:00 pm

1 stop9h 01m

Washington, D.C. Reagan-National

Wed 2/25

8:59 am-2:47 pm

1 stop8h 48m

$217

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 12/24

6:00 am-1:01 pm

1 stop28h 01m

Washington, D.C. Reagan-National

Sun 1/4

8:00 am-7:43 pm

1 stop14h 43m

$231

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Mon 1/12

6:40 am-10:27 am

2 stops24h 47m

Baltimore/Washington

Fri 1/16

8:43 pm-11:01 pm

1 stop29h 18m

$233

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 1/23

12:22 pm-9:59 pm

1 stop6h 37m

Washington, D.C. Reagan-National

Fri 1/30

2:00 pm-2:46 pm

1 stop27h 46m

$253

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 12/25

12:59 am-1:01 pm

1 stop9h 02m

Washington, D.C. Reagan-National

Thu 1/1

8:00 am-11:42 pm

1 stop18h 42m

$266

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 12/25

12:59 am-1:01 pm

1 stop9h 02m

Washington, D.C. Reagan-National

Sat 1/3

8:00 am-11:42 pm

1 stop18h 42m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results

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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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Las Vegas-Washington, D.C. flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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.

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.

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 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $102). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of $158). 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 39% on the cost of your flight, compared to a flight at noon.

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.

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

About 12% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 145 minutes.

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

Historically, flights departing in the morning 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?

Tuesday 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.

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

Airports

LAS

LAS offers a self-service TSA screening trial, reducing interaction with agents. Follow video instructions for a smoother security experience.

IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cost-effective city connection.

Our travel experts

Ramsey Qubein

Expert on IAD and LAS

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Southwest, United Airlines, and American 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

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,091 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,054 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Spirit Airlines

6.3

Okay

8,190 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,081 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3 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 6h 26m. Fly via Frontier, Spirit Airlines, or Delta 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 Frontier is currently your cheapest option to Washington, D.C., with prices starting at $125. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $221 and $226, respectively. Users have found that Frontier is 61% 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 Alaska Airlines. According to our data, you can fly for as low as $62. Users have also found prices from $66 and $103 on Frontier and American 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 (92%), Austrian Airlines (90%), Brussels Airlines (90%).
What are the cheapest flights from Las Vegas to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $115. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $174 on average, our data indicates $1,023 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, February is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $102). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of $158). 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
Spirit Airlines	Cheapest$117	Average$228	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$138	Average$242	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$222	Average$432	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$222	Average$376	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$254	Average$446	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$256	Average$308	FlexibilityNo cancel fee	On-timeN/A

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$48+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in August or July, booked 44 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 December 18, 2025.

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 December 18, 2025.

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

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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 December.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Washington, D.C.. Price data was last updated on December 12, 2025.

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 December 18, 2025.

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 December 13, 2025.

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

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

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

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

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

Airports

LAS

IAD

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Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Southwest, United Airlines, and American 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

Find useful and relevant information for your journey from Las Vegas to Washington, D.C.. 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 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.?

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

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

How can I 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.?

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

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Las Vegas to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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 December 18, 2025.