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

There are many flights that can get you from Las Vegas to Washington, D.C. in 4h 35m. Fly via Spirit Airlines, Frontier, or United Airlines to get the fastest option. Airlines will cover a distance of 2059 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 $128. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $204 and $242, respectively. Users have found that Frontier is 59% 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 United Airlines. According to our data, you can fly for as low as $87. Users have also found prices from $91 and $108 on Spirit Airlines and Hawaiian 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. Dulles Intl or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, Las Vegas Harry Reid Intl - Baltimore/Washington 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 $107. While the most popular route (Las Vegas Harry Reid Intl - Baltimore/Washington) can be booked for $121 on average, our data indicates $633 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%), Ethiopian Air (95%).

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

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

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 8 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.

$74+ Flights from Las Vegas to Washington, D.C.

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

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Cheapflights Tip: The best prices from 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.

Round-trip from	$121 (Cheapflightsfares)
One-way from	$74 (Kiwi.com)
Popular in	November
Cheapest in	August
Average price	$277
Good round-trip deal	$152 or less
Good one-way deal	$149 or less

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

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

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Highest demand for flights based on searches. 14% potential increase in price ($53 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 17, 2025.

Thu 10/239:40 amLAS - BWI

Nonstop4h 36mSpirit Airlines

Mon 10/276:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/15

$121

Fri 10/318:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Fri 11/78:25 pmBWI - LAS

Nonstop5h 17mSpirit Airlines

Deal found 9/15

$123

Wed 10/88:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Mon 10/137:50 amBWI - LAS

Nonstop5h 15mSpirit Airlines

Deal found 9/15

$130

Fri 10/311:07 amLAS - BWI

1 stop9h 30mSpirit Airlines

Sun 10/56:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/14

$145

Mon 10/68:09 amLAS - BWI

1 stop11h 27mSpirit Airlines

Sun 10/126:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/16

$150

Thu 11/611:47 pmLAS - BWI

Nonstop4h 36mSpirit Airlines

Sun 11/98:25 pmBWI - LAS

Nonstop5h 17mSpirit Airlines

Deal found 9/15

$151

Tue 11/1812:15 amLAS - BWI

1 stop13h 48mSpirit Airlines

Wed 12/38:25 pmBWI - LAS

Nonstop5h 17mSpirit Airlines

Deal found 9/15

$152

Wed 10/158:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Wed 10/2211:23 amBWI - LAS

1 stop9h 25mSpirit Airlines

Deal found 9/15

$154

Fri 10/179:05 pmLAS - IAD

1 stop11h 54mFrontier

Mon 10/2010:04 amIAD - LAS

1 stop8h 52mFrontier

Deal found 9/16

$154

Fri 10/312:55 amLAS - BWI

1 stop9h 31mMultiple Airlines

Wed 10/87:50 amBWI - LAS

Nonstop5h 15mMultiple Airlines

Deal found 9/15

$155

Wed 10/810:16 pmLAS - BWI

1 stop9h 14mMultiple Airlines

Mon 10/136:21 pmBWI - LAS

Nonstop5h 12mMultiple Airlines

Deal found 9/15

$156

Thu 10/239:05 pmLAS - IAD

1 stop9h 04mFrontier

Mon 10/2710:04 amIAD - LAS

1 stop8h 52mFrontier

Deal found 9/15

$156

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 September 17, 2025.

Sat 10/118:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Mon 10/136:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/14

$121

Fri 10/108:45 pmLAS - BWI

Nonstop4h 45mMultiple Airlines

Mon 10/205:04 pmBWI - LAS

1 stop9h 55mMultiple Airlines

Deal found 9/15

$155

Thu 10/168:05 pmLAS - DCA

1 stop12h 59mFrontier

Mon 10/206:31 pmDCA - LAS

1 stop7h 58mFrontier

Deal found 9/15

$167

Tue 10/79:49 amLAS - BWI

1 stop8h 41mUnited Airlines

Thu 10/237:28 pmBWI - LAS

1 stop7h 47mUnited Airlines

Deal found 9/15

$183

Thu 11/136:00 amLAS - IAD

1 stop8h 13mHawaiian Airlines

Fri 11/145:40 pmIAD - LAS

1 stop8h 53mHawaiian Airlines

Deal found 9/15

$226

Sat 11/17:25 amLAS - IAD

1 stop6h 48mAlaska Airlines

Wed 11/55:40 pmIAD - LAS

1 stop7h 46mAlaska Airlines

Deal found 9/16

$226

Fri 11/149:20 amLAS - DCA

Nonstop4h 25mSouthwest

Sun 11/162:55 pmDCA - LAS

1 stop8h 20mSouthwest

Deal found 9/16

$237

Tue 11/1810:12 pmLAS - DCA

1 stop6h 07mDelta

Fri 11/286:00 amDCA - LAS

1 stop9h 30mDelta

Deal found 9/15

$257

Thu 10/99:40 amLAS - BWI

Nonstop4h 36mSpirit Airlines

Mon 10/136:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/16

$130

Wed 11/2612:45 pmLAS - DCA

1 stop7h 14mJetBlue

Sun 11/305:44 pmDCA - LAS

1 stop10h 42mJetBlue

Deal found 9/15

$267

Wed 10/2912:59 amLAS - DCA

1 stop9h 03mFrontier

Mon 11/38:00 amDCA - LAS

1 stop18h 29mFrontier

Deal found 9/17

$167

Sat 10/118:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Tue 10/141:35 pmBWI - LAS

1 stop9h 12mSpirit Airlines

Deal found 9/14

$159

Thu 10/99:40 amLAS - BWI

Nonstop4h 36mMultiple Airlines

Sun 10/266:29 pmBWI - LAS

1 stop8h 00mMultiple Airlines

Deal found 9/15

$175

Wed 12/1010:47 amLAS - BWI

2 stops9h 13mUnited Airlines

Sat 12/134:15 pmBWI - LAS

1 stop7h 31mUnited Airlines

Deal found 9/14

$188

Thu 10/98:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Thu 10/231:35 pmBWI - LAS

1 stop9h 24mSpirit Airlines

Deal found 9/16

$170

Fri 10/109:05 pmLAS - BWI

1 stop10h 18mFrontier

Mon 10/2011:14 amBWI - LAS

2 stops15h 26mFrontier

Deal found 9/15

$199

Thu 10/306:00 amLAS - IAD

1 stop8h 13mHawaiian Airlines

Mon 11/35:40 pmIAD - LAS

1 stop8h 53mHawaiian Airlines

Deal found 9/15

$226

Fri 10/1711:20 pmLAS - IAD

Nonstop4h 35mUnited Airlines

Mon 10/207:59 pmIAD - LAS

Nonstop5h 00mUnited Airlines

Deal found 9/16

$207

Fri 10/3112:00 pmLAS - DCA

Nonstop4h 30mSouthwest

Mon 11/36:10 amDCA - LAS

1 stop7h 30mSouthwest

Deal found 9/16

$237

Wed 10/2212:55 amLAS - IAD

2 stops11h 43mFrontier

Mon 10/275:00 pmIAD - LAS

1 stop8h 06mFrontier

Deal found 9/15

$199

Wed 10/110:16 amLAS - BWI

Nonstop4h 41mSpirit Airlines

Thu 10/237:50 amBWI - LAS

Nonstop5h 15mSpirit Airlines

Deal found 9/15

$181

Tue 11/1810:20 pmLAS - DCA

1 stop7h 19mDelta

Tue 12/24:05 pmDCA - LAS

1 stop8h 24mDelta

Deal found 9/15

$257

Sat 12/67:00 amLAS - BWI

1 stop9h 19mSpirit Airlines

Fri 12/126:00 amBWI - LAS

1 stop15h 48mSpirit Airlines

Deal found 9/16

$188

Sat 10/116:00 amLAS - IAD

1 stop7h 29mDelta

Tue 10/145:52 pmIAD - LAS

1 stop7h 37mDelta

Deal found 9/14

$257

Thu 9/259:08 amLAS - DCA

1 stop24h 02mFrontier

Sun 9/287:00 amDCA - LAS

1 stop28h 02mFrontier

Deal found 9/15

$216

Thu 10/165:00 amLAS - DCA

1 stop6h 55mSouthwest

Sun 10/197:45 pmDCA - LAS

1 stop7h 20mSouthwest

Deal found 9/14

$267

Tue 10/711:57 amLAS - DCA

1 stop8h 07mDelta

Sat 10/254:03 pmDCA - LAS

1 stop7h 57mDelta

Deal found 9/16

$262

Wed 10/81:11 pmLAS - IAD

Nonstop4h 42mUnited Airlines

Mon 10/207:59 pmIAD - LAS

Nonstop5h 00mUnited Airlines

Deal found 9/15

$263

Wed 10/87:15 amLAS - DCA

1 stop8h 18mDelta

Sat 10/2510:20 amDCA - LAS

1 stop8h 51mDelta

Deal found 9/17

$262

Tue 10/710:45 pmLAS - IAD

Nonstop4h 35mUnited Airlines

Sat 10/257:59 pmIAD - LAS

Nonstop5h 00mUnited Airlines

Deal found 9/15

$263

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 September 17, 2025 and is based on user searches.

Tue 9/308:55 pmLAS - BWI

Nonstop4h 35mSpirit Airlines

Tue 10/147:50 amBWI - LAS

Nonstop5h 15mSpirit Airlines

Deal found 9/15

$152

Fri 10/311:07 amLAS - BWI

1 stop9h 30mSpirit Airlines

Sun 10/56:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/14

$145

Fri 10/312:55 amLAS - BWI

1 stop9h 31mMultiple Airlines

Wed 10/87:50 amBWI - LAS

Nonstop5h 15mMultiple Airlines

Deal found 9/15

$155

Mon 10/68:09 amLAS - BWI

1 stop11h 27mSpirit Airlines

Mon 10/136:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/16

$150

Wed 10/88:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Mon 10/137:50 amBWI - LAS

Nonstop5h 15mSpirit Airlines

Deal found 9/15

$130

Wed 10/810:16 pmLAS - BWI

1 stop9h 14mMultiple Airlines

Mon 10/136:21 pmBWI - LAS

Nonstop5h 12mMultiple Airlines

Deal found 9/15

$156

Wed 10/89:40 amLAS - BWI

Nonstop4h 36mMultiple Airlines

Sat 10/256:32 pmBWI - LAS

1 stop8h 20mMultiple Airlines

Deal found 9/15

$157

Wed 10/158:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Wed 10/2211:23 amBWI - LAS

1 stop9h 25mSpirit Airlines

Deal found 9/15

$154

Fri 10/179:05 pmLAS - IAD

1 stop11h 54mFrontier

Mon 10/2010:04 amIAD - LAS

1 stop8h 52mFrontier

Deal found 9/16

$154

Thu 10/239:40 amLAS - BWI

Nonstop4h 36mSpirit Airlines

Sun 10/266:21 pmBWI - LAS

Nonstop5h 12mSpirit Airlines

Deal found 9/15

$121

Thu 10/239:05 pmLAS - IAD

1 stop9h 04mFrontier

Mon 10/2710:04 amIAD - LAS

1 stop8h 52mFrontier

Deal found 9/15

$156

Fri 10/318:45 pmLAS - BWI

Nonstop4h 45mSpirit Airlines

Fri 11/78:25 pmBWI - LAS

Nonstop5h 17mSpirit Airlines

Deal found 9/15

$123

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 September 17, 2025.

Sat 10/189:00 amLAS - BWI

1 stop11h 11mSpirit Airlines

Deal found 9/16

$74

Tue 11/1812:15 amLAS - BWI

1 stop13h 48mSpirit Airlines

Deal found 9/16

$85

Tue 10/216:00 amLAS - BWI

1 stop9h 21mUnited Airlines

Deal found 9/15

$87

Sat 11/157:00 amLAS - BWI

1 stop9h 19mSpirit Airlines

Deal found 9/14

$88

Sun 12/711:47 pmLAS - BWI

Nonstop4h 36mSpirit Airlines

Deal found 9/15

$90

Sun 11/1611:47 pmLAS - BWI

Nonstop4h 36mSpirit Airlines

Deal found 9/15

$91

Fri 10/1711:59 pmLAS - BWI

1 stop6h 56mUnited Airlines

Deal found 9/15

$92

Fri 10/1710:16 pmLAS - BWI

1 stop8h 05mFrontier

Deal found 9/15

$93

Mon 10/67:00 amLAS - BWI

1 stop9h 10mFrontier

Deal found 9/15

$94

Thu 11/67:00 amLAS - BWI

1 stop9h 19mSpirit Airlines

Deal found 9/16

$95

Thu 11/137:00 amLAS - BWI

1 stop9h 19mSpirit Airlines

Deal found 9/16

$96

Fri 11/78:48 pmLAS - DCA

1 stop12h 13mFrontier

Deal found 9/16

$105

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 10/11

8:45 pm-4:30 am

Nonstop4h 45m

Baltimore/Washington

Mon 10/13

6:21 pm-8:33 pm

Nonstop5h 12m

$121

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 10/9

9:40 am-5:16 pm

Nonstop4h 36m

Baltimore/Washington

Mon 10/13

6:21 pm-8:33 pm

Nonstop5h 12m

$130

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Fri 10/10

8:45 pm-4:30 am

Nonstop4h 45m

Baltimore/Washington

Mon 10/20

5:04 pm-11:59 pm

1 stop9h 55m

$155

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Sat 10/11

8:45 pm-4:30 am

Nonstop4h 45m

Baltimore/Washington

Tue 10/14

1:35 pm-7:47 pm

1 stop9h 12m

$159

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 10/16

8:05 pm-12:04 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Mon 10/20

6:31 pm-11:29 pm

1 stop7h 58m

$167

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 10/29

12:59 am-1:02 pm

1 stop9h 03m

Washington, D.C. Reagan-National

Mon 11/3

8:00 am-11:29 pm

1 stop18h 29m

$167

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 10/9

8:45 pm-4:30 am

Nonstop4h 45m

Baltimore/Washington

Thu 10/23

1:35 pm-7:59 pm

1 stop9h 24m

$170

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 10/9

9:40 am-5:16 pm

Nonstop4h 36m

Baltimore/Washington

Sun 10/26

6:29 pm-11:29 pm

1 stop8h 00m

$175

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Wed 10/1

10:16 am-5:57 pm

Nonstop4h 41m

Baltimore/Washington

Thu 10/23

7:50 am-10:05 am

Nonstop5h 15m

$181

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Tue 10/7

9:49 am-9:30 pm

1 stop8h 41m

Baltimore/Washington

Thu 10/23

7:28 pm-12:15 am

1 stop7h 47m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results

...

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

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 23 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, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $292). Flying from Las Vegas to Washington, D.C. in April is currently the most expensive (average of $337). 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 32% on the cost of your flight, compared to a flight in the morning.

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 Wednesday evenings 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.

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

The most flights from LAS to WAS are scheduled on a Wednesday (11 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

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

Denver (DEN) – chosen by Cheapflights users on 88% of 1-stop itineraries from Las Vegas to Washington, D.C. on Cheapflights.

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

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $148.

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

Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 7h 00m.

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

Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 0h 53m.

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

4,242 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

4,242 reviews

Southwest

8.0

Very good

4,242 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

8,926 reviews

Southwest

8.0

Very good

4,242 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

10,000 reviews

Southwest

8.0

Very good

4,242 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

8,023 reviews

Southwest

8.0

Very good

4,242 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

3,173 reviews

Southwest

8.0

Very good

4,242 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 8 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.
How long is the flight from Las Vegas to Washington, D.C.?
There are many flights that can get you from Las Vegas to Washington, D.C. in 4h 35m. Fly via Spirit Airlines, Frontier, or United Airlines to get the fastest option. Airlines will cover a distance of 2059 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 $128. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $204 and $242, respectively. Users have found that Frontier is 59% 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 United Airlines. According to our data, you can fly for as low as $87. Users have also found prices from $91 and $108 on Spirit Airlines and Hawaiian 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. Dulles Intl or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, Las Vegas Harry Reid Intl - Baltimore/Washington 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%), Ethiopian Air (95%).
What are the cheapest flights from Las Vegas to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $107. While the most popular route (Las Vegas Harry Reid Intl - Baltimore/Washington) can be booked for $121 on average, our data indicates $633 when flying from Las Vegas to Washington, D.C..
Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Washington, D.C..
Can I find deals for business class flights from Las Vegas to Washington, D.C.?
Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $292). Flying from Las Vegas to Washington, D.C. in April is currently the most expensive (average of $337). 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
Frontier	Cheapest$95	Average$235	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$129	Average$239	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$204	Average$432	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$242	Average$471	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$244	Average$415	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$256	Average$369	FlexibilityNo cancel fee	On-timeN/A

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$74+ Cheap flights from Las Vegas (LAS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. 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

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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 September 17, 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 September 17, 2025.

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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 September 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 September 17, 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 September 14, 2025.

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

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

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

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

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

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

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

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

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

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.?

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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 September 17, 2025.