Las Vegas

$105+ Cheap flights from Washington, D.C. (WAS) to Las Vegas (LAS)

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
Apr 9 — Apr 161
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Find cheap flights from Washington, D.C. to Las Vegas with Cheapflights

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

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Cheapflights Tip: The best prices from Washington, D.C. to Las Vegas Harry Reid Intl are usually found in August or July, booked 20 days in advance, depart on a Saturday or Tuesday and return on a Thursday

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

Cheapest flights from Washington, D.C. to Las Vegas
Explore the most affordable flight options available from Washington, D.C. to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Thu 4/92:21 pm
BWI
-
LAS
1 stop11h 04m
Frontier
Tue 4/1411:59 pm
LAS
-
BWI
1 stop10h 42m
Frontier
Deal found 3/7$227
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 4/73:19 pm
BWI
-
LAS
1 stop10h 35m
Multiple Airlines
Fri 4/103:56 pm
LAS
-
BWI
1 stop14h 18m
Multiple Airlines
Deal found 3/6$228
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Wed 4/2212:17 pm
BWI
-
LAS
1 stop10h 15m
Frontier
Sun 4/2611:54 pm
LAS
-
BWI
2 stops32h 28m
Frontier
Deal found 3/5$229
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Fri 5/14:25 pm
BWI
-
LAS
1 stop9h 03m
Multiple Airlines
Mon 5/411:58 pm
LAS
-
BWI
1 stop7h 02m
Multiple Airlines
Deal found 3/5$230
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 5/39:10 pm
BWI
-
LAS
1 stop28h 31m
Multiple Airlines
Sun 5/1010:52 pm
LAS
-
BWI
1 stop30h 20m
Multiple Airlines
Deal found 3/6$231
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Wed 4/82:27 pm
BWI
-
LAS
1 stop10h 22m
Frontier
Fri 4/1012:59 am
LAS
-
BWI
1 stop7h 04m
Frontier
Deal found 3/10$232
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Thu 4/1611:05 am
BWI
-
LAS
1 stop13h 59m
Multiple Airlines
Mon 4/207:00 am
LAS
-
BWI
2 stops25h 22m
Multiple Airlines
Deal found 3/5$233
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Mon 4/276:05 am
BWI
-
LAS
1 stop7h 43m
Multiple Airlines
Sat 5/212:19 pm
LAS
-
BWI
1 stop9h 25m
Multiple Airlines
Deal found 3/5$234
This Frontier deal was found by Cheapflights users on 3/5. 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.
Wed 3/256:05 am
BWI
-
LAS
1 stop9h 21m
Frontier
Tue 3/3112:59 am
LAS
-
BWI
1 stop13h 44m
Frontier
Deal found 3/5$235
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Sun 4/266:05 am
BWI
-
LAS
1 stop19h 23m
Multiple Airlines
Thu 4/302:23 pm
LAS
-
BWI
1 stop16h 37m
Multiple Airlines
Deal found 3/5$236
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 4/213:06 pm
BWI
-
LAS
1 stop11h 53m
Multiple Airlines
Fri 4/2411:51 pm
LAS
-
BWI
2 stops21h 53m
Multiple Airlines
Deal found 3/9$237
This Expedia deal was found by Cheapflights users on 3/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:20 am
BWI
-
LAS
1 stop25h 06m
Frontier
Mon 4/2011:29 pm
LAS
-
BWI
1 stop11h 12m
Frontier
Deal found 3/5$238

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Las Vegas (LAS). 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$105
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$530

Good round-trip deal

$490 or less

Good one-way deal

$248 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flights.
From Washington, D.C. (WAS) to Las Vegas Harry Reid Intl
One-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl
Highest demand for flights based on searches. 18% potential increase in price ($87 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Las Vegas 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 March 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Thu 5/14

9:00 pm-11:20 pm

Nonstop5h 20m

Las Vegas Harry Reid Intl

Sat 5/16

7:40 pm-5:40 am

1 stop7h 00m

$353

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 5/20

6:50 pm-10:30 pm

1 stop6h 40m

Las Vegas Harry Reid Intl

Wed 5/27

12:00 pm-11:00 pm

2 stops8h 00m

$362

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Fri 5/1

9:00 pm-11:20 pm

Nonstop5h 20m

Las Vegas Harry Reid Intl

Tue 5/12

7:00 am-2:35 pm

Nonstop4h 35m

$381

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 4/25

6:59 pm-11:38 am

2 stops19h 39m

Las Vegas Harry Reid Intl

Tue 4/28

9:40 am-9:59 pm

1 stop9h 19m

$385

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 4/8

6:20 am-3:05 pm

2 stops11h 45m

Las Vegas Harry Reid Intl

Wed 4/15

11:35 am-11:40 pm

2 stops9h 05m

$397

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 4/21

6:40 am-9:00 am

Nonstop5h 20m

Las Vegas Harry Reid Intl

Sat 4/25

7:30 am-5:15 pm

1 stop6h 45m

$403

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Fri 4/17

9:00 pm-11:20 pm

Nonstop5h 20m

Las Vegas Harry Reid Intl

Mon 4/20

11:20 pm-9:00 am

1 stop6h 40m

$403

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 5/5

6:25 pm-8:45 pm

Nonstop5h 20m

Las Vegas Harry Reid Intl

Sun 5/10

7:30 pm-5:40 am

1 stop7h 10m

$406

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 4/29

4:00 pm-8:57 pm

1 stop7h 57m

Las Vegas Harry Reid Intl

Sat 5/2

8:10 am-3:49 pm

Nonstop4h 39m

$408

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Thu 4/30

9:00 pm-11:20 pm

Nonstop5h 20m

Las Vegas Harry Reid Intl

Sat 5/2

7:30 am-5:15 pm

1 stop6h 45m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Las Vegas

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 Washington, D.C. to Las Vegas in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust 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 Washington, D.C.-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Las Vegas 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 Washington, D.C.-Las Vegas 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 Washington, D.C. to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Washington, D.C. 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 Washington, D.C. to Las Vegas

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Las Vegas. Price data was last updated on March 6, 2026.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $119). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $208). 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 WAS to LAS?

Find hourly flight availability from Washington, D.C. to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Las Vegas in the morning. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Las Vegas. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Las Vegas flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Washington, D.C. to Las Vegas. 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 March 10, 2026.

The most flights from WAS to LAS are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Washington, D.C. to Las Vegas?

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

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

Denver (DEN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Washington, D.C. to Las Vegas on Cheapflights.

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

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

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $184.

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

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

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 42m.

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

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

Flights via Boston (BOS) offer the fastest connection on this route, with an average layover time of 1h 17m.

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

About 19% of weekly flights between Washington, D.C. and Las Vegas have experienced delays in the past year, with the average delay time being 162 minutes.

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

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

The best insider tips for Washington, D.C. to Las Vegas 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 Washington, D.C. to Las Vegas 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.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated March 10, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Washington, D.C. to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Las Vegas. 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 into for flights to Las Vegas from Washington, D.C.?

    If you book a flight to Las Vegas from Washington, D.C., you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 7 flights from Washington, D.C. to Harry Reid Intl per day from 9 different airlines.

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

    Southwest, Alaska Airlines, and United Airlines can get you from Washington, D.C. to Las Vegas in just under 5h 20m. Your travel time can differ by up to 14h 19m. There are 2099 mi between Washington, D.C. and Las Vegas. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Spirit Airlines, at $70, was found to be the cheapest airline from Washington, D.C. to Las Vegas.Alternate airlines to your destination round-trip include Frontier and Delta. Spirit Airlines is priced at 81% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $63. United Airlines flights start at $108 while deals on American Airlines start at $114 one-way.

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

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

    The top 3 most reliable airlines when flying from Washington, D.C. to Las Vegas are Ethiopian Air (87%), United Airlines (86%) and Brussels Airlines (86%).

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

    Looking at all options, your cheapest flight can be booked for $183. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $180 on average, our data indicates $1,313 when flying from Washington, D.C. to Las Vegas.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Las Vegas 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 Washington, D.C. to Las Vegas?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $119). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $208). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
Mesquite
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

Browse thousands of different options on Cheapflights for your next trip

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Washington, D.C. to Las Vegas

Discover the top 9 airlines that operate flights from Washington, D.C. to Las Vegas. 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$212FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$243FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$167Average$315FlexibilityNo cancel feeOn-time83%
DeltaCheapest$168Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$168Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$186Average$481FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$188Average$310FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$238Average$485FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$254Average$445FlexibilityNo cancel feeOn-time62%

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