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

Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $176 and $222, respectively. Users have found that Spirit Airlines is 60% 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 $99. Users have also found prices from $105 and $108 on Spirit Airlines and Southwest, 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 cheapest flights from Las Vegas to Washington, D.C.?

Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $156 on average our data indicates $760 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: United Airlines (92%), Brussels Airlines (85%), Austrian Airlines (84%).

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 is the cheapest day to fly round-trip from Las Vegas to Washington, D.C.?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 59%.

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

Travelers have found it’s best to book a flight 45 days in advance to save up to 117% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 45 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Las Vegas to Washington, D.C. 1-2 weeks in advance for as low as $302, or $476 for flights within the next 24 hours.

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

Flights from Las Vegas to Washington, D.C. lean towards being more expensive in December. Prices are generally better when you fly from Las Vegas to Washington, D.C. in August, with the cheapest ticket starting at $159.

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

Most trusted provider : When it comes to deals on Las Vegas-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams 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 9 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

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

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

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

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

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

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

$99+ 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 October, booked 44 days in advance, depart on a Wednesday or Thursday and return on a Saturday

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$137 (Cheapflightsfares)
One-way from	$99 (Frontier)
Popular in	December
Cheapest in	August
Average price	$349
Good round-trip deal	$184 or less
Good one-way deal	$142 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. 7% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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

Search Deals

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

Search Deals

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 April 25, 2025.

Fri 5/1610:40 pmLAS - BWI

Nonstop4h 30mSpirit Airlines

Sun 5/187:17 amBWI - LAS

Nonstop5h 08mSpirit Airlines

Deal found 4/23

$137

Wed 7/911:00 pmLAS - IAD

Nonstop4h 34mFrontier

Sun 7/137:30 amIAD - LAS

Nonstop4h 59mFrontier

Deal found 4/25

$176

Fri 4/2512:59 amLAS - DCA

1 stop8h 10mFrontier

Wed 4/307:00 amDCA - LAS

1 stop10h 29mFrontier

Deal found 4/23

$178

Sat 5/311:00 pmLAS - IAD

Nonstop4h 31mMultiple Airlines

Sun 5/45:00 pmIAD - LAS

1 stop8h 24mMultiple Airlines

Deal found 4/24

$183

Tue 5/2712:59 amLAS - BWI

1 stop12h 29mMultiple Airlines

Wed 6/47:17 amBWI - LAS

Nonstop5h 08mMultiple Airlines

Deal found 4/25

$199

Fri 5/212:59 amLAS - DCA

1 stop8h 08mMultiple Airlines

Sat 5/109:59 amDCA - LAS

1 stop10h 08mMultiple Airlines

Deal found 4/25

$206

Sat 5/2412:44 pmLAS - DCA

Nonstop4h 31mAmerican Airlines

Sat 5/317:55 amDCA - LAS

Nonstop5h 08mAmerican Airlines

Deal found 4/24

$222

Wed 5/286:00 amLAS - IAD

1 stop9h 59mAlaska Airlines

Sat 5/317:25 pmIAD - LAS

1 stop19h 25mAlaska Airlines

Deal found 4/24

$230

Sat 5/312:00 pmLAS - IAD

1 stop8h 58mHawaiian Airlines

Sat 5/105:00 pmIAD - LAS

1 stop8h 24mHawaiian Airlines

Deal found 4/25

$232

Sat 5/247:35 amLAS - DCA

1 stop7h 25mSouthwest

Sat 5/314:40 pmDCA - LAS

Nonstop5h 10mSouthwest

Deal found 4/24

$256

Sat 5/175:01 pmLAS - IAD

1 stop9h 51mDelta

Mon 5/1912:39 pmIAD - LAS

1 stop9h 01mDelta

Deal found 4/23

$257

Thu 5/86:43 pmLAS - IAD

1 stop14h 40mSun Country Air

Sun 5/118:30 amIAD - LAS

1 stop26h 03mSun Country Air

Deal found 4/24

$265

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 April 25, 2025.

Fri 5/1610:40 pmLAS - BWI

Nonstop4h 30mSpirit Airlines

Sun 5/187:17 amBWI - LAS

Nonstop5h 08mSpirit Airlines

Deal found 4/23

$137

Wed 7/911:00 pmLAS - IAD

Nonstop4h 34mFrontier

Sun 7/137:30 amIAD - LAS

Nonstop4h 59mFrontier

Deal found 4/25

$176

Sat 5/311:00 pmLAS - IAD

Nonstop4h 31mMultiple Airlines

Sun 5/45:00 pmIAD - LAS

1 stop8h 24mMultiple Airlines

Deal found 4/24

$183

Sat 5/2412:44 pmLAS - DCA

Nonstop4h 31mAmerican Airlines

Sat 5/317:55 amDCA - LAS

Nonstop5h 08mAmerican Airlines

Deal found 4/24

$222

Wed 5/286:00 amLAS - IAD

1 stop9h 59mAlaska Airlines

Sat 5/317:25 pmIAD - LAS

1 stop19h 25mAlaska Airlines

Deal found 4/24

$230

Sat 5/312:00 pmLAS - IAD

1 stop8h 58mHawaiian Airlines

Sat 5/105:00 pmIAD - LAS

1 stop8h 24mHawaiian Airlines

Deal found 4/25

$232

Sat 5/247:35 amLAS - DCA

1 stop7h 25mSouthwest

Sat 5/314:40 pmDCA - LAS

Nonstop5h 10mSouthwest

Deal found 4/24

$256

Sat 5/175:01 pmLAS - IAD

1 stop9h 51mDelta

Mon 5/1912:39 pmIAD - LAS

1 stop9h 01mDelta

Deal found 4/23

$257

Thu 5/86:43 pmLAS - IAD

1 stop14h 40mSun Country Air

Sun 5/118:30 amIAD - LAS

1 stop26h 03mSun Country Air

Deal found 4/24

$265

Tue 5/2012:59 amLAS - IAD

1 stop7h 31mUnited Airlines

Fri 5/307:59 pmIAD - LAS

Nonstop5h 04mUnited Airlines

Deal found 4/25

$293

Tue 5/612:59 amLAS - DCA

1 stop8h 08mFrontier

Wed 5/211:00 pmDCA - LAS

1 stop13h 59mFrontier

Deal found 4/24

$178

Tue 5/2712:59 amLAS - BWI

1 stop12h 29mMultiple Airlines

Wed 6/47:17 amBWI - LAS

Nonstop5h 08mMultiple Airlines

Deal found 4/25

$199

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 April 25, 2025 and is based on user searches.

Fri 4/2512:59 amLAS - DCA

1 stop8h 10mFrontier

Tue 4/291:00 pmDCA - LAS

1 stop13h 57mFrontier

Deal found 4/24

$178

Thu 5/111:07 pmLAS - BWI

1 stop11h 40mSpirit Airlines

Tue 5/66:00 pmBWI - LAS

1 stop8h 59mSpirit Airlines

Deal found 4/24

$156

Thu 5/111:00 pmLAS - IAD

Nonstop4h 31mFrontier

Sat 5/37:45 amIAD - LAS

Nonstop5h 15mFrontier

Deal found 4/25

$186

Thu 5/18:25 amLAS - DCA

Nonstop4h 30mSouthwest

Tue 5/64:40 pmDCA - LAS

Nonstop5h 10mSouthwest

Deal found 4/24

$399

Fri 5/212:59 amLAS - DCA

1 stop8h 08mMultiple Airlines

Sat 5/109:59 amDCA - LAS

1 stop10h 08mMultiple Airlines

Deal found 4/25

$206

Fri 5/26:30 amLAS - BWI

1 stop9h 36mFrontier

Sun 5/49:16 pmBWI - LAS

1 stop28h 24mFrontier

Deal found 4/24

$259

Fri 5/27:14 pmLAS - IAD

1 stop9h 29mAlaska Airlines

Sun 5/45:00 pmIAD - LAS

1 stop8h 24mAlaska Airlines

Deal found 4/25

$277

Sat 5/311:00 pmLAS - IAD

Nonstop4h 31mMultiple Airlines

Sun 5/45:00 pmIAD - LAS

1 stop8h 24mMultiple Airlines

Deal found 4/24

$183

Sat 5/312:00 pmLAS - IAD

1 stop8h 58mHawaiian Airlines

Sat 5/105:00 pmIAD - LAS

1 stop8h 24mHawaiian Airlines

Deal found 4/25

$232

Sat 5/312:34 pmLAS - DCA

Nonstop4h 26mAmerican Airlines

Sat 5/107:55 amDCA - LAS

Nonstop5h 08mAmerican Airlines

Deal found 4/25

$357

Mon 5/512:59 amLAS - DCA

1 stop8h 08mFrontier

Wed 5/77:00 amDCA - LAS

1 stop8h 25mFrontier

Deal found 4/24

$178

Mon 5/56:00 amLAS - BWI

1 stop8h 22mMultiple Airlines

Mon 5/128:44 pmBWI - LAS

1 stop18h 03mMultiple Airlines

Deal found 4/23

$237

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 April 25, 2025.

Sat 5/312:59 amLAS - DCA

1 stop8h 08mFrontier

Deal found 4/24

$99

Thu 6/2611:02 pmLAS - IAD

Nonstop4h 28mFrontier

Deal found 4/24

$99

Tue 5/1310:40 pmLAS - BWI

Nonstop4h 30mSpirit Airlines

Deal found 4/23

$105

Sat 5/248:25 amLAS - DCA

Nonstop4h 30mSouthwest

Deal found 4/23

$108

Sun 5/2511:47 pmLAS - IAD

Nonstop4h 35mUnited Airlines

Deal found 4/24

$108

Sat 5/1012:00 pmLAS - IAD

1 stop8h 58mAlaska Airlines

Deal found 4/25

$110

Sat 5/1712:44 pmLAS - DCA

Nonstop4h 31mAmerican Airlines

Deal found 4/25

$111

Sun 5/256:00 amLAS - DCA

1 stop8h 38mHawaiian Airlines

Deal found 4/25

$117

Tue 5/611:03 pmLAS - BWI

1 stop7h 07mFrontier

Deal found 4/24

$117

Sun 5/256:00 amLAS - IAD

1 stop9h 59mHawaiian Airlines

Deal found 4/25

$117

Fri 6/610:10 amLAS - DCA

1 stop7h 55mAlaska Airlines

Deal found 4/24

$118

Fri 6/132:17 pmLAS - IAD

1 stop27h 36mAllegiant Air

Deal found 4/24

$121

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

Fri 5/16

10:40 pm-6:10 am

Nonstop4h 30m

Baltimore/Washington

Sun 5/18

7:17 am-9:25 am

Nonstop5h 08m

$137

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 7/9

11:00 pm-6:34 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Sun 7/13

7:30 am-9:29 am

Nonstop4h 59m

$176

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 5/6

12:59 am-12:07 pm

1 stop8h 08m

Washington, D.C. Reagan-National

Wed 5/21

1:00 pm-11:59 pm

1 stop13h 59m

$178

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 5/16

7:10 am-6:25 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Sun 5/18

7:31 am-9:46 am

Nonstop5h 15m

$189

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Tue 5/27

12:59 am-4:28 pm

1 stop12h 29m

Baltimore/Washington

Wed 6/4

7:17 am-9:25 am

Nonstop5h 08m

$199

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 5/2

12:59 am-12:07 pm

1 stop8h 08m

Washington, D.C. Reagan-National

Sat 5/10

9:59 am-5:07 pm

1 stop10h 08m

$206

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 5/24

12:44 pm-8:15 pm

Nonstop4h 31m

Washington, D.C. Reagan-National

Sat 5/31

7:55 am-10:03 am

Nonstop5h 08m

$222

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 5/28

6:00 am-6:59 pm

1 stop9h 59m

Washington, D.C. Dulles Intl

Sat 5/31

7:25 pm-11:50 am

1 stop19h 25m

$230

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 6/6

5:51 pm-7:36 am

1 stop10h 45m

Washington, D.C. Dulles Intl

Sat 6/7

7:25 pm-10:08 am

1 stop17h 43m

$244

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 5/24

7:35 am-6:00 pm

1 stop7h 25m

Washington, D.C. Reagan-National

Sat 5/31

4:40 pm-6:50 pm

Nonstop5h 10m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 49 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 April.

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

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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 Vegas airport offers self-service TSA screening to streamline security checks. Follow video instructions for a smoother departure experience.

IAD

The Washington Metro Silver line now reaches IAD, offering a cost-effective and quick 40-minute ride to the city.

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 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, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $309). Flying from Las Vegas to Washington, D.C. in June is currently the most expensive (average of $383). 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 afternoon. By choosing this option you can save up to 33% 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 Thursday afternoons 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 Friday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Las Vegas to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,928 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,928 reviews

Alaska Airlines

8.0

Very good

9,928 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

9,928 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,928 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,393 reviews

Alaska Airlines

8.0

Very good

9,928 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,928 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 9 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.
What are the cheapest airlines flying from Las Vegas to Washington, D.C. round-trip?
Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $176 and $222, respectively. Users have found that Spirit Airlines is 60% 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 $99. Users have also found prices from $105 and $108 on Spirit Airlines and Southwest, 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: United Airlines (92%), Brussels Airlines (85%), Austrian Airlines (84%).
What are the cheapest flights from Las Vegas to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $156 on average our data indicates $760 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 $309). Flying from Las Vegas to Washington, D.C. in June is currently the most expensive (average of $383). 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$242	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$114	Average$177	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$268	Average$352	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$289	Average$452	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$294	Average$468	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$299	Average$483	FlexibilityNo cancel fee	On-time71%

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

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. 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 October, booked 44 days in advance, depart on a Wednesday or Thursday 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 April 25, 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 April 25, 2025.

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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 April.

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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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 April 18, 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 April 25, 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 March 30, 2025.

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

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Las Vegas to Washington, D.C.. Reviews also offer insight into each airline's 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.?

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.?

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

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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 April 25, 2025.