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 25m. Fly via JetBlue, Spirit Airlines, or Frontier to get the fastest option. Airlines will cover a distance of 2082 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 $141. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $204 and $227, respectively. Users have found that Frontier is 55% 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 $65. Users have also found prices from $128 and $129 on Alaska Airlines and Delta, 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 $125. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $181 on average, our data indicates $671 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 (100%), Brussels Airlines (100%), Ethiopian Air (98%).

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.

$60+ Flights from Las Vegas to Washington, D.C.

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1. Tell us where you want to go

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

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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.

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$103 (Kiwi.com)
One-way from	$60 (CheapOair)
Popular in	November
Cheapest in	August
Average price	$297
Good round-trip deal	$164 or less
Good one-way deal	$180 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. 14% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

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

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Find 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 October 30, 2025.

Fri 11/1412:41 amLAS - BWI

1 stop10h 29mFrontier

Thu 12/411:48 amBWI - LAS

1 stop13h 04mFrontier

Deal found 10/30

$137

Fri 11/1410:38 pmLAS - BWI

1 stop13h 57mFrontier

Sun 11/165:50 amBWI - LAS

1 stop8h 44mFrontier

Deal found 10/30

$144

Fri 12/128:47 amLAS - BWI

1 stop21h 30mMultiple Airlines

Sun 12/149:13 amBWI - LAS

1 stop9h 02mMultiple Airlines

Deal found 10/29

$145

Thu 11/274:08 pmLAS - BWI

Nonstop4h 25mMultiple Airlines

Wed 12/38:00 amBWI - LAS

1 stop9h 29mMultiple Airlines

Deal found 10/29

$146

Thu 11/1310:44 pmLAS - BWI

1 stop13h 51mFrontier

Thu 11/208:45 pmBWI - LAS

1 stop16h 18mFrontier

Deal found 10/29

$150

Thu 11/2012:31 pmLAS - BWI

1 stop8h 27mMultiple Airlines

Tue 12/22:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/30

$158

Thu 11/2012:31 pmLAS - BWI

1 stop8h 27mMultiple Airlines

Wed 12/35:45 amBWI - LAS

Nonstop5h 23mMultiple Airlines

Deal found 10/30

$159

Thu 11/2011:00 pmLAS - BWI

1 stop9h 28mFrontier

Tue 11/2511:14 amBWI - LAS

1 stop14h 50mFrontier

Deal found 10/29

$160

Fri 11/1410:00 pmLAS - BWI

Nonstop4h 24mSpirit Airlines

Mon 11/176:00 amBWI - LAS

Nonstop5h 26mSpirit Airlines

Deal found 10/29

$163

Fri 11/1412:41 amLAS - BWI

1 stop10h 29mMultiple Airlines

Tue 12/22:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/30

$164

Thu 11/207:00 amLAS - BWI

1 stop9h 50mMultiple Airlines

Mon 11/242:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/29

$167

Thu 11/2011:00 pmLAS - BWI

1 stop9h 28mMultiple Airlines

Fri 11/282:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/30

$168

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 October 30, 2025.

Tue 11/1810:03 amLAS - DCA

1 stop9h 56mJetBlue

Mon 11/245:43 pmDCA - LAS

1 stop10h 38mJetBlue

Deal found 10/29

$198

Thu 12/116:58 pmLAS - BWI

1 stop11h 19mSpirit Airlines

Mon 12/1510:27 amBWI - LAS

1 stop12h 46mSpirit Airlines

Deal found 10/30

$200

Wed 11/1912:34 pmLAS - DCA

1 stop6h 25mFrontier

Thu 11/276:00 pmDCA - LAS

1 stop8h 36mFrontier

Deal found 10/29

$213

Wed 11/127:25 amLAS - IAD

1 stop6h 48mAlaska Airlines

Sun 11/165:40 pmIAD - LAS

1 stop8h 53mAlaska Airlines

Deal found 10/28

$256

Thu 11/277:15 amLAS - DCA

1 stop8h 19mDelta

Wed 12/38:59 amDCA - LAS

1 stop7h 45mDelta

Deal found 10/28

$257

Mon 12/156:00 amLAS - BWI

1 stop12h 37mMultiple Airlines

Mon 12/227:00 amBWI - LAS

1 stop30h 11mMultiple Airlines

Deal found 10/30

$264

Tue 3/36:00 amLAS - IAD

1 stop8h 25mHawaiian Airlines

Wed 3/45:51 pmIAD - LAS

1 stop8h 28mHawaiian Airlines

Deal found 10/29

$287

Thu 1/2210:20 pmLAS - BWI

Nonstop4h 25mSouthwest

Mon 1/266:20 pmBWI - LAS

1 stop7h 20mSouthwest

Deal found 10/30

$295

Wed 1/2112:59 amLAS - IAD

1 stop7h 24mUnited Airlines

Mon 1/267:36 pmIAD - LAS

Nonstop5h 21mUnited Airlines

Deal found 10/30

$367

Mon 1/512:59 amLAS - DCA

1 stop9h 07mFrontier

Fri 1/92:00 pmDCA - LAS

1 stop12h 42mFrontier

Deal found 10/30

$230

Fri 11/219:00 pmLAS - DCA

1 stop8h 26mJetBlue

Mon 11/245:43 pmDCA - LAS

1 stop10h 38mJetBlue

Deal found 10/28

$237

Thu 11/274:08 pmLAS - BWI

Nonstop4h 25mSpirit Airlines

Wed 12/37:30 amBWI - LAS

3 stops18h 34mSpirit Airlines

Deal found 10/30

$248

Thu 11/279:33 amLAS - DCA

1 stop6h 10mDelta

Tue 12/22:00 pmDCA - LAS

1 stop8h 52mDelta

Deal found 10/28

$257

Tue 11/1812:59 amLAS - DCA

1 stop9h 03mFrontier

Tue 11/258:00 amDCA - LAS

1 stop14h 32mFrontier

Deal found 10/29

$239

Wed 11/2610:00 pmLAS - DCA

1 stop10h 00mJetBlue

Wed 12/36:00 amDCA - LAS

1 stop8h 58mJetBlue

Deal found 10/28

$256

Mon 12/1510:15 pmLAS - IAD

1 stop7h 56mDelta

Tue 12/163:38 pmIAD - LAS

1 stop8h 07mDelta

Deal found 10/29

$257

Tue 11/259:00 amLAS - BWI

1 stop11h 16mSpirit Airlines

Mon 12/12:26 pmBWI - LAS

1 stop8h 16mSpirit Airlines

Deal found 10/30

$274

Thu 1/156:00 amLAS - IAD

1 stop8h 04mAlaska Airlines

Tue 1/205:26 pmIAD - LAS

2 stops30h 34mAlaska Airlines

Deal found 10/30

$312

Fri 11/1412:59 amLAS - DCA

1 stop13h 00mFrontier

Wed 11/262:00 pmDCA - LAS

1 stop12h 36mFrontier

Deal found 10/29

$269

Thu 11/277:15 amLAS - BWI

1 stop7h 02mDelta

Mon 12/17:27 pmBWI - LAS

1 stop8h 00mDelta

Deal found 10/30

$273

Mon 1/1912:15 amLAS - BWI

1 stop8h 10mSpirit Airlines

Tue 1/208:26 pmBWI - LAS

1 stop13h 59mSpirit Airlines

Deal found 10/30

$275

Wed 11/1912:34 pmLAS - DCA

1 stop6h 25mFrontier

Wed 11/266:00 pmDCA - LAS

1 stop8h 36mFrontier

Deal found 10/29

$271

Fri 11/1411:40 pmLAS - IAD

1 stop7h 33mDelta

Tue 11/186:03 amIAD - LAS

1 stop7h 28mDelta

Deal found 10/30

$277

Fri 2/207:55 pmLAS - IAD

1 stop18h 30mAlaska Airlines

Sun 2/225:51 pmIAD - LAS

1 stop29h 59mAlaska Airlines

Deal found 10/29

$363

Sat 11/158:09 amLAS - DCA

1 stop10h 50mFrontier

Thu 11/278:00 amDCA - LAS

2 stops13h 46mFrontier

Deal found 10/29

$275

Thu 11/275:35 amLAS - IAD

1 stop8h 00mSouthwest

Wed 12/37:40 amIAD - LAS

2 stops12h 25mSouthwest

Deal found 10/28

$411

Thu 1/1510:15 pmLAS - BWI

1 stop9h 09mDelta

Tue 1/206:00 amBWI - LAS

2 stops12h 00mDelta

Deal found 10/29

$320

Tue 11/1110:18 amLAS - IAD

2 stops17h 05mAlaska Airlines

Wed 11/125:40 pmIAD - LAS

1 stop7h 46mAlaska Airlines

Deal found 10/27

$389

Thu 11/279:51 amLAS - IAD

1 stop6h 35mDelta

Sat 11/296:03 amIAD - LAS

1 stop9h 44mDelta

Deal found 10/28

$328

Tue 12/2310:04 pmLAS - IAD

1 stop8h 42mDelta

Sun 12/285:29 pmIAD - LAS

1 stop7h 58mDelta

Deal found 10/30

$420

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 October 30, 2025 and is based on user searches.

Sat 11/88:09 amLAS - DCA

1 stop10h 50mFrontier

Mon 11/106:00 pmDCA - LAS

1 stop8h 29mFrontier

Deal found 10/27

$176

Thu 11/1310:44 pmLAS - BWI

1 stop13h 51mFrontier

Thu 11/208:45 pmBWI - LAS

1 stop16h 18mFrontier

Deal found 10/29

$150

Fri 11/1412:41 amLAS - BWI

1 stop10h 29mFrontier

Wed 12/38:00 amBWI - LAS

1 stop9h 29mFrontier

Deal found 10/30

$137

Fri 11/1410:38 pmLAS - BWI

1 stop13h 57mFrontier

Sun 11/165:50 amBWI - LAS

1 stop8h 44mFrontier

Deal found 10/30

$144

Fri 11/1410:00 pmLAS - BWI

Nonstop4h 24mSpirit Airlines

Mon 11/176:00 amBWI - LAS

Nonstop5h 26mSpirit Airlines

Deal found 10/29

$163

Fri 11/1412:41 amLAS - BWI

1 stop10h 29mMultiple Airlines

Wed 12/35:45 amBWI - LAS

Nonstop5h 23mMultiple Airlines

Deal found 10/30

$164

Thu 11/2012:31 pmLAS - BWI

1 stop8h 27mMultiple Airlines

Tue 12/22:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/30

$158

Thu 11/2012:31 pmLAS - BWI

1 stop8h 27mMultiple Airlines

Wed 12/35:45 amBWI - LAS

Nonstop5h 23mMultiple Airlines

Deal found 10/30

$159

Thu 11/2011:00 pmLAS - BWI

1 stop9h 28mFrontier

Tue 11/2511:14 amBWI - LAS

1 stop14h 50mFrontier

Deal found 10/29

$160

Thu 11/207:00 amLAS - BWI

1 stop9h 50mMultiple Airlines

Mon 11/242:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/29

$167

Thu 11/2011:00 pmLAS - BWI

1 stop9h 28mMultiple Airlines

Fri 11/282:26 pmBWI - LAS

1 stop8h 16mMultiple Airlines

Deal found 10/30

$168

Thu 11/274:08 pmLAS - BWI

Nonstop4h 25mMultiple Airlines

Wed 12/38:00 amBWI - LAS

1 stop9h 29mMultiple Airlines

Deal found 10/29

$146

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 October 30, 2025.

Thu 11/274:08 pmLAS - BWI

Nonstop4h 25mSpirit Airlines

Deal found 10/29

$60

Wed 1/2110:58 pmLAS - BWI

1 stop15h 49mFrontier

Deal found 10/29

$62

Tue 1/610:58 pmLAS - BWI

1 stop10h 54mFrontier

Deal found 10/30

$63

Thu 11/207:00 amLAS - BWI

1 stop9h 50mFrontier

Deal found 10/30

$65

Fri 1/98:42 amLAS - BWI

1 stop9h 23mFrontier

Deal found 10/30

$67

Wed 1/710:58 pmLAS - BWI

1 stop15h 49mFrontier

Deal found 10/30

$68

Wed 11/1911:02 pmLAS - BWI

1 stop13h 18mFrontier

Deal found 10/30

$71

Fri 12/58:59 amLAS - BWI

1 stop12h 33mFrontier

Deal found 10/30

$75

Fri 11/1410:38 pmLAS - BWI

1 stop13h 57mFrontier

Deal found 10/29

$78

Sun 1/257:00 amLAS - BWI

1 stop9h 19mSpirit Airlines

Deal found 10/29

$79

Tue 11/116:31 pmLAS - DCA

2 stops39h 31mFrontier

Deal found 10/29

$120

Sat 2/710:58 pmLAS - IAD

1 stop14h 34mFrontier

Deal found 10/30

$120

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 VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 11/18

10:03 am-10:59 pm

1 stop9h 56m

Washington, D.C. Reagan-National

Mon 11/24

5:43 pm-1:21 am

1 stop10h 38m

$198

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 12/11

6:58 pm-9:17 am

1 stop11h 19m

Baltimore/Washington

Mon 12/15

10:27 am-8:13 pm

1 stop12h 46m

$200

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 11/19

12:34 pm-9:59 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Thu 11/27

6:00 pm-11:36 pm

1 stop8h 36m

$213

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 1/5

12:59 am-1:06 pm

1 stop9h 07m

Washington, D.C. Reagan-National

Fri 1/9

2:00 pm-11:42 pm

1 stop12h 42m

$230

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 11/21

9:00 pm-8:26 am

1 stop8h 26m

Washington, D.C. Reagan-National

Mon 11/24

5:43 pm-1:21 am

1 stop10h 38m

$237

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 11/18

12:59 am-1:02 pm

1 stop9h 03m

Washington, D.C. Reagan-National

Tue 11/25

8:00 am-7:32 pm

1 stop14h 32m

$239

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 11/27

4:08 pm-11:33 pm

Nonstop4h 25m

Baltimore/Washington

Wed 12/3

7:30 am-11:04 pm

3 stops18h 34m

$248

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 11/12

7:25 am-5:13 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Sun 11/16

5:40 pm-11:33 pm

1 stop8h 53m

$256

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 11/26

10:00 pm-11:00 am

1 stop10h 00m

Washington, D.C. Reagan-National

Wed 12/3

6:00 am-11:58 am

1 stop8h 58m

$256

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 11/27

7:15 am-6:34 pm

1 stop8h 19m

Washington, D.C. Reagan-National

Wed 12/3

8:59 am-1:44 pm

1 stop7h 45m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October.

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
Priceline	Price Accuracy1 star	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
Trip.com	Price Accuracy2 stars	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 $103). Flying from Las Vegas to Washington, D.C. in January is currently the most expensive (average of $165). 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 35% 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.

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

4,243 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,243 reviews

Southwest

8.0

Very good

4,243 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,998 reviews

Southwest

8.0

Very good

4,243 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,035 reviews

Southwest

8.0

Very good

4,243 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Spirit Airlines

6.3

Okay

8,116 reviews

Southwest

8.0

Very good

4,243 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,122 reviews

Southwest

8.0

Very good

4,243 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 6h 25m. Fly via JetBlue, Spirit Airlines, or Frontier to get the fastest option. Airlines will cover a distance of 2082 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 $141. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $204 and $227, respectively. Users have found that Frontier is 55% 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 $65. Users have also found prices from $128 and $129 on Alaska Airlines and Delta, 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: Austrian Airlines (100%), Brussels Airlines (100%), Ethiopian Air (98%).
What are the cheapest flights from Las Vegas to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $125. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $181 on average, our data indicates $671 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 $103). Flying from Las Vegas to Washington, D.C. in January is currently the most expensive (average of $165). 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$118	Average$234	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$138	Average$240	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$204	Average$435	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$227	Average$438	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$233	Average$459	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$256	Average$346	FlexibilityNo cancel fee	On-timeN/A

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$60+ 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 11/27. 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

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Find 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 October 30, 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 October 30, 2025.

Cheapflights Fare Finder

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 October.

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 October 24, 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 October 30, 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 October 26, 2025.

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

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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 October 30, 2025.