Las Vegas

$68+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
Aug 26 — Sep 21
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Cheapflights Tip: The best prices from Washington, D.C. to Las Vegas Harry Reid Intl are usually found in July or August, booked 61 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap 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 August 21, 2025.

Round-trip from

$137
(Mytrip)

One-way from

$68
(Cheapflightsfares)

Popular in

December

Cheapest in

July

Average price

$290

Good round-trip deal

$160 or less

Good one-way deal

$107 or less
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. 10% potential increase in price ($41 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in August 2025
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.

Find 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 August 21, 2025.

This Mytrip deal was found by Cheapflights users on 8/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 amBWI - LAS
1 stop18h 34mSpirit Airlines
Wed 9/175:36 pmLAS - BWI
1 stop10h 25mSpirit Airlines
Deal found 8/21$137
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:45 amBWI - LAS
1 stop8h 21mSpirit Airlines
Fri 9/268:55 pmLAS - BWI
Nonstop4h 35mSpirit Airlines
Deal found 8/20$138
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:49 pmBWI - LAS
1 stop10h 59mSpirit Airlines
Wed 9/105:36 pmLAS - BWI
1 stop10h 25mSpirit Airlines
Deal found 8/19$139
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/107:02 pmBWI - LAS
Nonstop5h 16mSpirit Airlines
Wed 9/178:55 pmLAS - BWI
Nonstop4h 35mSpirit Airlines
Deal found 8/19$140
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:45 amBWI - LAS
1 stop18h 34mSpirit Airlines
Sat 9/275:36 pmLAS - BWI
1 stop10h 25mSpirit Airlines
Deal found 8/21$141
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/78:16 amBWI - LAS
Nonstop5h 13mSpirit Airlines
Wed 9/175:36 pmLAS - BWI
1 stop10h 25mSpirit Airlines
Deal found 8/19$142
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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.
Mon 9/81:17 pmBWI - LAS
1 stop10h 45mSpirit Airlines
Wed 9/105:36 pmLAS - BWI
1 stop10h 25mSpirit Airlines
Deal found 8/21$143
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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.
Tue 11/46:26 pmBWI - LAS
Nonstop5h 13mSpirit Airlines
Mon 11/107:00 amLAS - BWI
1 stop9h 19mSpirit Airlines
Deal found 8/21$144
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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.
Thu 9/115:45 amBWI - LAS
1 stop8h 21mSpirit Airlines
Wed 9/175:36 pmLAS - BWI
1 stop10h 25mSpirit Airlines
Deal found 8/21$145
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:35 amBWI - LAS
1 stop8h 10mSpirit Airlines
Sat 11/811:47 pmLAS - BWI
Nonstop4h 36mSpirit Airlines
Deal found 8/21$146
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:16 amBWI - LAS
Nonstop5h 13mSpirit Airlines
Fri 9/198:55 pmLAS - BWI
Nonstop4h 35mSpirit Airlines
Deal found 8/21$147
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:02 pmBWI - LAS
Nonstop5h 16mSpirit Airlines
Sat 9/2011:34 amLAS - BWI
1 stop8h 42mSpirit Airlines
Deal found 8/20$148

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 August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

Fly from

Washington, D.C.

Fly to

Las Vegas

Route

Depart

Return

Price

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 10/21

5:35 am-10:45 am

1 stop8h 10m

Las Vegas Harry Reid Intl

Sat 10/25

8:45 pm-4:30 am

Nonstop4h 45m

$138

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sun 9/21

7:02 pm-9:18 pm

Nonstop5h 16m

Las Vegas Harry Reid Intl

Tue 9/23

12:11 pm-7:01 am

1 stop15h 50m

$138

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sat 9/27

5:45 am-9:19 pm

1 stop18h 34m

Las Vegas Harry Reid Intl

Tue 9/30

12:11 pm-7:01 am

1 stop15h 50m

$141

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Mon 9/8

7:02 pm-9:18 pm

Nonstop5h 16m

Las Vegas Harry Reid Intl

Wed 9/10

10:16 am-5:57 pm

Nonstop4h 41m

$142

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 9/16

5:45 am-11:06 am

1 stop8h 21m

Las Vegas Harry Reid Intl

Tue 9/23

12:47 am-11:25 pm

2 stops19h 38m

$149

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sat 9/27

8:16 am-10:29 am

Nonstop5h 13m

Las Vegas Harry Reid Intl

Sun 9/28

8:55 pm-4:30 am

Nonstop4h 35m

$150

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 9/30

8:16 am-10:29 am

Nonstop5h 13m

Las Vegas Harry Reid Intl

Sun 10/5

8:45 pm-4:30 am

Nonstop4h 45m

$150

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sun 9/14

8:16 am-10:29 am

Nonstop5h 13m

Las Vegas Harry Reid Intl

Tue 9/16

12:47 am-11:25 pm

2 stops19h 38m

$155

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 9/3

8:09 am-10:15 am

Nonstop5h 06m

Las Vegas Harry Reid Intl

Wed 9/10

12:11 pm-7:01 am

1 stop15h 50m

$155

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sun 9/21

7:02 pm-9:18 pm

Nonstop5h 16m

Las Vegas Harry Reid Intl

Fri 9/26

6:41 pm-7:01 am

1 stop9h 20m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results
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The best insider tips for Washington, D.C. to Las Vegas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Las Vegas trip
Airports
IAD

At IAD, check-in can be crowded in the afternoon and evening. Arrive early to navigate the busy main terminal efficiently.

Read more about IADby Ramsey Qubein
LAS

For a quick exit from LAS, rideshares pick up in the parking garage. Request your ride only when near the garage to avoid long waits.

Read more about LASby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and LAS

Ramsey Qubein

Ramsey Qubein

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

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 August 8, 2025.

Booking 61 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $198). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $269). 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 August 21, 2025.

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 30% 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 August 17, 2025.

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 August 21, 2025.

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 (6 on average).

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 August 21, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American 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

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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

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 8 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?

    Spirit Airlines, United Airlines, and Southwest can get you from Washington, D.C. to Las Vegas in just under 4h 59m. Your travel time can differ by up to 3h 11m. There are 2059 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 $117, was found to be the cheapest airline from Washington, D.C. to Las Vegas.Alternate airlines to your destination round-trip include Frontier and Alaska Airlines. Spirit Airlines is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • 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 Brussels Airlines (78%), Frontier (77%) and Ethiopian Air (72%).

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

    Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $165 on average our data indicates $867 when flying from Washington, D.C. to Las Vegas.

  • Where are the most common layover locations when flying from Washington, D.C. to Las Vegas?

  • What are some popular things to do or see while on a layover in Denver?

    The majority of Denver visitors spend their time at Coors Field, 16th Street Mall, and Paramount Theatre. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Paramount Theatre can do so by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Those looking to explore during their layover in Denver can rent a car from Denver Intl for about $59 per day.

  • What are some popular points of interest to see during a layover in Charlotte?

    If you're on a layover in Charlotte and looking for things to do, consider visiting Carowind, Mint Museum Uptown, or NASCAR Hall of Fame. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame are located about 8.2 mi, 5.4 mi, and 5.7 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $48 per day.

  • Where are the least popular layover locations for Washington, D.C. to Las Vegas flights?

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $198). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $269). 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
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mount Charleston
Mesquite
Needles
Boulder City

Browse thousands of different options on Cheapflights for your next trip

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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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$114Average$259FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$221FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$233Average$309FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$239Average$477FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$242Average$372FlexibilityNo cancel feeOn-time83%
DeltaCheapest$244Average$374FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$253Average$366FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$254Average$475FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$274Average$513FlexibilityNo cancel feeOn-time71%

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