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Washington, D.C.

$95+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
ago 1 — ago 81
sab 8/1
sab 8/8
1 adult, Economy
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1. Tell us where you want to go

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3. Compare prices and book

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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 September, booked 44 days in advance, depart on a Friday or Thursday and return on a Saturday

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

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on luglio 2, 2026.

This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/142:10 pm
LAS
-
BWI
1 stop6h 15m
Southwest
dom 8/166:30 am
BWI
-
LAS
1 stop7h 10m
Southwest
Deal found 6/29$194
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 7/2212:47 pm
LAS
-
BWI
1 stop7h 56m
American Airlines
mar 7/281:55 pm
BWI
-
LAS
1 stop7h 40m
American Airlines
Deal found 6/28$199
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 8/257:36 am
LAS
-
BWI
2 stops20h 50m
Frontier
mer 8/261:24 pm
BWI
-
LAS
1 stop10h 48m
Frontier
Deal found 6/30$243
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 8/110:18 pm
LAS
-
BWI
1 stop9h 27m
Frontier
sab 8/156:25 am
BWI
-
LAS
1 stop16h 45m
Frontier
Deal found 7/1$245
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/149:42 pm
LAS
-
BWI
2 stops21h 17m
Frontier
mer 8/191:24 pm
BWI
-
LAS
1 stop10h 48m
Frontier
Deal found 7/1$246
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 7/2510:18 pm
LAS
-
BWI
1 stop9h 27m
Frontier
sab 8/14:44 pm
BWI
-
LAS
1 stop8h 14m
Frontier
Deal found 6/28$250
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 8/127:05 am
LAS
-
BWI
2 stops21h 21m
Frontier
mer 8/191:24 pm
BWI
-
LAS
1 stop10h 48m
Frontier
Deal found 6/28$253
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 8/118:12 am
LAS
-
BWI
1 stop8h 38m
American Airlines
gio 8/1311:59 am
BWI
-
LAS
1 stop8h 44m
American Airlines
Deal found 6/30$254
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 8/1212:20 am
LAS
-
BWI
1 stop6h 55m
Southwest
mer 8/1910:55 am
BWI
-
LAS
2 stops8h 05m
Southwest
Deal found 6/30$255
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 7/2212:46 am
LAS
-
IAD
Nonstop4h 34m
Frontier
dom 7/269:50 am
IAD
-
LAS
Nonstop4h 55m
Frontier
Deal found 7/2$257
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 8/259:20 am
LAS
-
DCA
Nonstop4h 40m
Southwest
gio 8/271:00 pm
DCA
-
LAS
1 stop7h 50m
Southwest
Deal found 7/2$262
This Travelocity deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 9/1312:59 am
LAS
-
DCA
1 stop8h 50m
Frontier
mer 9/161:59 pm
DCA
-
LAS
1 stop12h 32m
Frontier
Deal found 6/30$264

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

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated luglio 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$194
(Southwest)

One-way from

$95
(Southwest)

Popular in

March

Cheapest in

August

Average price

$281

Good round-trip deal

$339 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Washington, D.C. (WAS) flights.
Search Deals
From Las Vegas Harry Reid Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated luglio 2, 2026.
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

Cheapest round-trip

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

gio 8/6

6:00 am-6:35 pm

1 stop9h 35m

Baltimore/Washington

gio 8/13

4:56 pm-10:17 pm

1 stop8h 21m

$257

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

gio 8/6

6:00 am-5:15 pm

1 stop8h 15m

Baltimore/Washington

lun 8/10

2:18 pm-7:46 pm

1 stop8h 28m

$257

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

ven 8/14

11:15 am-8:55 pm

1 stop6h 40m

Washington, D.C. Reagan-National

dom 8/16

6:05 am-11:30 am

2 stops8h 25m

$288

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

gio 7/30

1:23 pm-9:06 pm

Nonstop4h 43m

Washington, D.C. Dulles Intl

ven 8/7

8:10 pm-10:19 pm

Nonstop5h 09m

$291

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

ven 8/14

9:00 am-4:40 pm

Nonstop4h 40m

Washington, D.C. Reagan-National

ven 8/21

6:50 pm-10:15 pm

1 stop6h 25m

$309

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

gio 7/23

11:44 am-11:20 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

lun 8/3

6:00 am-12:38 pm

1 stop9h 38m

$318

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

mer 7/29

6:50 am-3:55 pm

1 stop6h 05m

Washington, D.C. Reagan-National

mer 8/5

6:05 am-11:10 am

2 stops8h 05m

$320

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

ven 7/31

10:50 am-8:55 pm

1 stop7h 05m

Washington, D.C. Reagan-National

mer 8/5

6:05 am-11:10 am

2 stops8h 05m

$320

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

mar 8/4

10:50 pm-11:05 am

1 stop9h 15m

Washington, D.C. Reagan-National

lun 8/10

4:55 pm-10:55 pm

2 stops9h 00m

$324

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mar 9/29

8:25 am-4:03 pm

Nonstop4h 38m

Washington, D.C. Dulles Intl

mar 10/6

9:00 am-11:04 am

Nonstop5h 04m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust 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 FlightHub the most. FlightHub 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.

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

Currently, October is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $58). Flying from Las Vegas to Washington, D.C. in May is currently the most expensive (average of $185). 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?

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 luglio 2, 2026.

It’s optimal to fly from Las Vegas to Washington, D.C. in the evening. By choosing this option you can save up to 56% on the cost of your flight, compared to a flight in the afternoon.

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

Explore weekly flight availability from Las Vegas to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated luglio 2, 2026.

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).

How much does it cost to fly round-trip 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.

Dallas (DFW) – chosen by Cheapflights users on 50% 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.?

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.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $155.

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.

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 8h 09m.

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.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 57m.

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

About 13% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 131 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

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 June 27, 2026.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Washington, D.C. trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and LAS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated luglio 2, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Las Vegas to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Delta
7.8
Good
8,452 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
United Airlines
7.4
Good
9,926 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,769 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,850 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

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.?

    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 7 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 33m. Fly via Delta, Southwest, 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 $144. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $233 and $256, respectively. Users have found that Frontier is 62% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Las Vegas to Washington, D.C. one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $62. Users have also found prices from $89 and $105 on Frontier and American Airlines, respectively.

  • What are the most popular routes from Las Vegas to Washington, D.C.?

    While some choose either Las Vegas Harry Reid Intl - Baltimore/Washington or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl is the most popular route from Las Vegas to Washington, D.C..

  • What are the most reliable airlines from Las Vegas to Washington, D.C.?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to Washington, D.C. on time: United Airlines (87%), Austrian Airlines (87%), Brussels Airlines (87%).

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

    Looking at all options, your cheapest flight can be booked for $144. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $179 on average, our data indicates $1,188 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, October is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $58). Flying from Las Vegas to Washington, D.C. in May is currently the most expensive (average of $185). 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.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Dulles Intl flights
Las Vegas to Reagan-National flights
Reno to Dulles Intl flights
Reno to Reagan-National flights

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

Discover the top 6 airlines that operate flights from Las Vegas to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated luglio 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$305FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$222Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$481FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$282Average$541FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$286Average$447FlexibilityNo cancel feeOn-time62%

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