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 7h 30m. Fly via Frontier, Delta, or Alaska Airlines 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 Frontier. According to our data, you can fly for as low as $66. Users have also found prices from $103 and $113 on American Airlines 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 - Baltimore/Washington or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, 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 $185 on average, our data indicates $983 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: Austrian Airlines (95%), Brussels Airlines (95%), United Airlines (91%).

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 4 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.

$73+ 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 Saturday

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 January 4, 2026.

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mFrontier

Sun 2/19:20 amBWI - LAS

1 stop17h 39mFrontier

Deal found 1/2

$147

Wed 2/257:30 amLAS - BWI

1 stop7h 17mFrontier

Sat 2/285:23 pmBWI - LAS

1 stop19h 52mFrontier

Deal found 1/2

$149

Thu 1/299:37 amLAS - BWI

2 stops20h 28mFrontier

Sun 2/19:20 amBWI - LAS

1 stop17h 39mFrontier

Deal found 1/2

$165

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mFrontier

Thu 2/511:24 amBWI - LAS

1 stop14h 33mFrontier

Deal found 1/2

$166

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mFrontier

Fri 1/3010:00 amBWI - LAS

1 stop16h 59mFrontier

Deal found 1/2

$175

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mMultiple Airlines

Tue 2/38:08 pmBWI - LAS

1 stop16h 20mMultiple Airlines

Deal found 1/2

$177

Wed 2/1112:59 amLAS - BWI

1 stop7h 18mFrontier

Tue 2/176:00 amBWI - LAS

1 stop9h 45mFrontier

Deal found 1/4

$179

Wed 2/41:01 amLAS - BWI

1 stop6h 26mMultiple Airlines

Tue 2/106:00 amBWI - LAS

1 stop9h 45mMultiple Airlines

Deal found 1/4

$181

Mon 1/261:01 amLAS - BWI

1 stop6h 26mMultiple Airlines

Sun 2/19:20 amBWI - LAS

1 stop17h 39mMultiple Airlines

Deal found 1/2

$182

Thu 1/2911:59 pmLAS - BWI

1 stop7h 27mFrontier

Thu 2/511:24 amBWI - LAS

1 stop14h 33mFrontier

Deal found 1/2

$183

Mon 3/912:59 amLAS - DCA

1 stop9h 03mFrontier

Wed 4/86:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 1/4

$206

Thu 2/197:05 amLAS - IAD

1 stop7h 52mMultiple Airlines

Sun 2/227:20 pmIAD - LAS

2 stops18h 06mMultiple Airlines

Deal found 1/3

$206

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 January 4, 2026.

Sat 2/711:59 pmLAS - BWI

1 stop7h 30mFrontier

Sat 2/146:55 pmBWI - LAS

2 stops30h 50mFrontier

Deal found 1/4

$201

Thu 1/2212:00 pmLAS - BWI

1 stop19h 27mMultiple Airlines

Tue 1/278:00 amBWI - LAS

2 stops29h 03mMultiple Airlines

Deal found 1/1

$212

Tue 3/2410:00 pmLAS - DCA

1 stop8h 56mJetBlue

Sun 3/295:15 pmDCA - LAS

1 stop8h 33mJetBlue

Deal found 1/2

$251

Mon 1/261:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Fri 1/301:00 pmBWI - LAS

1 stop13h 44mSpirit Airlines

Deal found 1/3

$294

Wed 2/2511:05 amLAS - IAD

1 stop9h 05mDelta

Sat 2/287:30 amIAD - LAS

1 stop10h 22mDelta

Deal found 1/2

$295

Wed 2/254:09 pmLAS - IAD

2 stops22h 18mAlaska Airlines

Sat 2/287:05 amIAD - LAS

1 stop19h 50mAlaska Airlines

Deal found 1/2

$339

Wed 3/48:00 amLAS - BWI

1 stop5h 50mSouthwest

Wed 3/117:10 pmBWI - LAS

Nonstop5h 35mSouthwest

Deal found 1/2

$342

Wed 3/47:40 amLAS - IAD

1 stop7h 26mUnited Airlines

Wed 3/118:45 amIAD - LAS

Nonstop5h 33mUnited Airlines

Deal found 1/2

$363

Mon 3/912:59 amLAS - DCA

1 stop9h 03mFrontier

Wed 4/86:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 1/4

$206

Fri 2/2712:59 amLAS - DCA

1 stop9h 01mFrontier

Thu 3/196:00 pmDCA - LAS

1 stop8h 40mFrontier

Deal found 1/3

$214

Sat 2/285:30 amLAS - DCA

1 stop8h 29mMultiple Airlines

Wed 3/48:00 amDCA - LAS

2 stops13h 42mMultiple Airlines

Deal found 1/4

$247

Thu 2/198:35 pmLAS - DCA

1 stop13h 40mFrontier

Sun 2/222:00 pmDCA - LAS

1 stop8h 25mFrontier

Deal found 1/2

$219

Fri 2/2710:11 amLAS - DCA

1 stop9h 48mJetBlue

Sat 3/213:55 pmDCA - LAS

1 stop9h 53mJetBlue

Deal found 1/3

$276

Tue 2/1011:00 amLAS - IAD

1 stop9h 10mDelta

Tue 2/176:00 amIAD - LAS

2 stops12h 02mDelta

Deal found 1/3

$301

Sat 1/178:30 amLAS - BWI

2 stops12h 47mFrontier

Sun 1/182:24 pmBWI - LAS

1 stop13h 35mFrontier

Deal found 1/2

$227

Fri 2/2710:11 amLAS - DCA

1 stop9h 48mJetBlue

Fri 3/205:15 pmDCA - LAS

1 stop8h 33mJetBlue

Deal found 1/3

$279

Tue 1/278:00 amLAS - IAD

2 stops27h 09mMultiple Airlines

Fri 1/3010:50 amIAD - LAS

1 stop16h 17mMultiple Airlines

Deal found 1/3

$285

Fri 1/161:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Sat 1/244:44 pmBWI - LAS

3 stops20h 47mSpirit Airlines

Deal found 1/2

$315

Fri 1/166:00 amLAS - DCA

1 stop7h 59mFrontier

Sat 1/176:00 pmDCA - LAS

1 stop7h 36mFrontier

Deal found 1/3

$232

Tue 1/2712:05 pmLAS - IAD

1 stop25h 21mAlaska Airlines

Fri 1/306:04 pmIAD - LAS

1 stop23h 37mAlaska Airlines

Deal found 1/3

$345

Sun 1/251:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Mon 2/21:00 pmBWI - LAS

1 stop13h 44mSpirit Airlines

Deal found 1/2

$322

Wed 3/114:52 pmLAS - DCA

1 stop26h 07mFrontier

Tue 3/311:00 pmDCA - LAS

1 stop10h 15mFrontier

Deal found 1/2

$238

Wed 1/281:10 pmLAS - BWI

2 stops17h 14mDelta

Tue 2/38:45 amBWI - LAS

2 stops11h 56mDelta

Deal found 1/2

$354

Mon 1/267:52 pmLAS - IAD

1 stop18h 12mAlaska Airlines

Mon 2/26:04 pmIAD - LAS

1 stop20h 07mAlaska Airlines

Deal found 1/2

$355

Wed 3/411:59 amLAS - IAD

1 stop26h 21mAlaska Airlines

Wed 3/117:05 amIAD - LAS

1 stop19h 50mAlaska Airlines

Deal found 1/2

$355

Mon 3/26:08 amLAS - BWI

1 stop8h 05mFrontier

Mon 3/235:25 amBWI - LAS

1 stop10h 01mFrontier

Deal found 1/3

$251

Wed 2/2511:59 amLAS - IAD

2 stops26h 28mAlaska Airlines

Sun 3/16:20 pmIAD - LAS

1 stop31h 08mAlaska Airlines

Deal found 1/2

$358

Sun 1/186:15 amLAS - BWI

1 stop9h 02mFrontier

Sat 1/246:15 pmBWI - LAS

2 stops22h 56mFrontier

Deal found 1/2

$257

Wed 2/255:58 pmLAS - BWI

2 stops20h 48mAlaska Airlines

Sat 2/286:46 pmBWI - LAS

1 stop28h 36mAlaska Airlines

Deal found 1/3

$367

Thu 2/268:35 pmLAS - DCA

1 stop13h 25mFrontier

Sat 3/218:00 amDCA - LAS

1 stop10h 42mFrontier

Deal found 1/3

$260

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 January 4, 2026 and is based on user searches.

Mon 1/261:01 amLAS - BWI

1 stop6h 26mMultiple Airlines

Sun 2/19:20 amBWI - LAS

1 stop17h 39mMultiple Airlines

Deal found 1/2

$182

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mFrontier

Sun 2/19:20 amBWI - LAS

1 stop17h 39mFrontier

Deal found 1/2

$147

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mFrontier

Thu 2/511:24 amBWI - LAS

1 stop14h 33mFrontier

Deal found 1/2

$166

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mFrontier

Fri 1/3010:00 amBWI - LAS

1 stop16h 59mFrontier

Deal found 1/2

$175

Wed 1/2811:59 pmLAS - BWI

1 stop7h 27mMultiple Airlines

Tue 2/38:08 pmBWI - LAS

1 stop16h 20mMultiple Airlines

Deal found 1/2

$177

Thu 1/299:37 amLAS - BWI

2 stops20h 28mFrontier

Sun 2/19:20 amBWI - LAS

1 stop17h 39mFrontier

Deal found 1/2

$165

Thu 1/2911:59 pmLAS - BWI

1 stop7h 27mFrontier

Thu 2/511:24 amBWI - LAS

1 stop14h 33mFrontier

Deal found 1/2

$183

Sun 2/111:39 pmLAS - DCA

1 stop8h 30mMultiple Airlines

Sun 2/82:00 pmDCA - LAS

1 stop8h 42mMultiple Airlines

Deal found 1/4

$206

Wed 2/41:01 amLAS - BWI

1 stop6h 26mMultiple Airlines

Tue 2/106:00 amBWI - LAS

1 stop9h 45mMultiple Airlines

Deal found 1/4

$181

Wed 2/1112:59 amLAS - BWI

1 stop7h 18mFrontier

Tue 2/176:00 amBWI - LAS

1 stop9h 45mFrontier

Deal found 1/4

$179

Thu 2/197:05 amLAS - IAD

1 stop7h 52mMultiple Airlines

Sun 2/227:20 pmIAD - LAS

2 stops18h 06mMultiple Airlines

Deal found 1/3

$206

Wed 2/257:30 amLAS - BWI

1 stop7h 17mFrontier

Sat 2/285:23 pmBWI - LAS

1 stop19h 52mFrontier

Deal found 1/2

$149

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 January 4, 2026.

Sat 1/2411:59 pmLAS - BWI

1 stop7h 30mFrontier

Deal found 1/2

$73

Wed 2/411:59 pmLAS - BWI

1 stop7h 27mFrontier

Deal found 1/4

$74

Mon 2/21:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Deal found 1/4

$77

Fri 1/301:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Deal found 1/4

$78

Tue 3/311:03 pmLAS - BWI

1 stop29h 57mFrontier

Deal found 1/4

$80

Fri 2/63:35 pmLAS - BWI

1 stop15h 52mMultiple Airlines

Deal found 1/3

$88

Fri 1/1612:59 amLAS - BWI

1 stop8h 04mFrontier

Deal found 1/3

$89

Tue 4/76:05 amLAS - BWI

1 stop8h 47mFrontier

Deal found 1/4

$90

Wed 2/41:01 amLAS - BWI

1 stop6h 26mSpirit Airlines

Deal found 1/4

$91

Sat 2/217:10 amLAS - BWI

1 stop8h 14mFrontier

Deal found 1/2

$92

Sun 2/82:37 pmLAS - BWI

1 stop18h 08mFrontier

Deal found 1/2

$93

Wed 1/287:50 pmLAS - DCA

2 stops38h 12mMultiple Airlines

Deal found 1/2

$124

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	$147 (Kiwi.com)
One-way from	$73 (Kiwi.com)
Popular in	November
Cheapest in	August
Average price	$312
Good round-trip deal	$340 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. 21% potential increase in price ($86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 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

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Sat 2/7

11:59 pm-10:29 am

1 stop7h 30m

Baltimore/Washington

Sat 2/14

6:55 pm-10:45 pm

2 stops30h 50m

$201

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 3/9

12:59 am-1:02 pm

1 stop9h 03m

Washington, D.C. Reagan-National

Wed 4/8

6:00 pm-11:42 pm

1 stop8h 42m

$206

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 1/22

12:00 pm-10:27 am

1 stop19h 27m

Baltimore/Washington

Tue 1/27

8:00 am-10:03 am

2 stops29h 03m

$212

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 2/27

12:59 am-1:00 pm

1 stop9h 01m

Washington, D.C. Reagan-National

Thu 3/19

6:00 pm-11:40 pm

1 stop8h 40m

$214

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 2/19

8:35 pm-1:15 pm

1 stop13h 40m

Washington, D.C. Reagan-National

Sun 2/22

2:00 pm-7:25 pm

1 stop8h 25m

$219

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Sat 1/17

8:30 am-12:17 am

2 stops12h 47m

Baltimore/Washington

Sun 1/18

2:24 pm-12:59 am

1 stop13h 35m

$227

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 1/16

6:00 am-4:59 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Sat 1/17

6:00 pm-10:36 pm

1 stop7h 36m

$232

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 3/11

4:52 pm-9:59 pm

1 stop26h 07m

Washington, D.C. Reagan-National

Tue 3/31

1:00 pm-8:15 pm

1 stop10h 15m

$238

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 2/28

5:30 am-4:59 pm

1 stop8h 29m

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-6:42 pm

2 stops13h 42m

$247

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 3/24

10:00 pm-9:56 am

1 stop8h 56m

Washington, D.C. Reagan-National

Sun 3/29

5:15 pm-10:48 pm

1 stop8h 33m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

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 January.

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
JustAirTicket	Price Accuracy-	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 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 40% 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

8.0

Very good

4,253 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

8.0

Very good

4,253 reviews

Southwest

8.0

Very good

4,253 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

9,138 reviews

Southwest

8.0

Very good

4,253 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

11,077 reviews

Southwest

8.0

Very good

4,253 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

8,264 reviews

Southwest

8.0

Very good

4,253 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

5.7

Fair

3,063 reviews

Southwest

8.0

Very good

4,253 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 4 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 7h 30m. Fly via Frontier, Delta, or Alaska Airlines 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 Frontier. According to our data, you can fly for as low as $66. Users have also found prices from $103 and $113 on American Airlines 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 - Baltimore/Washington or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, 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: Austrian Airlines (95%), Brussels Airlines (95%), United Airlines (91%).
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 $185 on average, our data indicates $983 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$219	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$448	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$256	Average$308	FlexibilityNo cancel fee	On-timeN/A

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$73+ 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 1/24. 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 Saturday

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 January 4, 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 January 4, 2026.

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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 January.

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 26, 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 January 4, 2026.

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 January 3, 2026.

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

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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 January 4, 2026.