HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$64+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 Washington, D.C. to Las Vegas Harry Reid Intl are usually found in August or July, booked 37 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 November 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$151
(Kiwi.com)

One-way from

$64
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$388

Good round-trip deal

$238 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flights.
Search Deals
From Washington, D.C. (WAS) to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
Search Deals

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 November 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/78:48 pmBWI - LAS
1 stop15h 25mFrontier
Wed 12/101:16 amLAS - BWI
2 stops18h 41mFrontier
Deal found 11/17$151
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/149:13 amBWI - LAS
1 stop9h 02mMultiple Airlines
Mon 12/1510:58 pmLAS - BWI
1 stop22h 26mMultiple Airlines
Deal found 11/17$152
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Sat 12/68:00 pmBWI - LAS
1 stop16h 43mMultiple Airlines
Wed 12/1010:58 pmLAS - BWI
1 stop8h 57mMultiple Airlines
Deal found 11/17$156
This Mytrip deal was found by Cheapflights users on 11/17. 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.
Mon 12/14:25 pmBWI - LAS
1 stop20h 58mMultiple Airlines
Thu 12/410:08 pmLAS - BWI
1 stop8h 27mMultiple Airlines
Deal found 11/17$160
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 12/98:00 amBWI - LAS
2 stops18h 46mMultiple Airlines
Thu 12/1112:52 pmLAS - BWI
1 stop8h 32mMultiple Airlines
Deal found 11/16$161
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/78:48 pmBWI - LAS
1 stop15h 25mMultiple Airlines
Mon 12/810:58 pmLAS - BWI
2 stops21h 47mMultiple Airlines
Deal found 11/18$162
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Sat 12/65:30 amBWI - LAS
2 stops28h 49mMultiple Airlines
Tue 12/910:20 pmLAS - BWI
1 stop30h 22mMultiple Airlines
Deal found 11/17$163
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/78:48 pmBWI - LAS
2 stops17h 19mFrontier
Mon 12/810:12 pmLAS - BWI
1 stop23h 12mFrontier
Deal found 11/18$164
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/210:41 amBWI - LAS
1 stop26h 42mMultiple Airlines
Fri 12/58:59 amLAS - BWI
1 stop12h 33mMultiple Airlines
Deal found 11/17$165
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 12/168:00 amBWI - LAS
2 stops18h 46mMultiple Airlines
Tue 12/2311:59 pmLAS - BWI
1 stop8h 47mMultiple Airlines
Deal found 11/16$166
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/89:11 pmBWI - LAS
1 stop16h 12mFrontier
Wed 12/101:16 amLAS - BWI
2 stops18h 41mFrontier
Deal found 11/17$167
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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 12/211:13 amBWI - LAS
1 stop14h 16mSpirit Airlines
Fri 12/56:58 pmLAS - BWI
1 stop11h 19mSpirit Airlines
Deal found 11/18$168

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 November 18, 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

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 12/7

9:20 pm-9:43 am

1 stop15h 23m

Las Vegas Harry Reid Intl

Fri 12/12

10:20 pm-8:24 pm

1 stop19h 04m

$219

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 2/3

7:30 am-3:00 pm

1 stop10h 30m

Las Vegas Harry Reid Intl

Mon 2/9

11:00 am-11:10 pm

1 stop9h 10m

$285

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 2/14

4:30 pm-10:20 pm

1 stop8h 50m

Las Vegas Harry Reid Intl

Sat 2/21

6:40 am-9:45 pm

2 stops12h 05m

$322

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/13

4:05 pm-6:25 pm

Nonstop5h 20m

Las Vegas Harry Reid Intl

Sun 1/18

9:05 am-4:35 pm

Nonstop4h 30m

$324

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 1/7

5:26 pm-10:31 pm

1 stop8h 05m

Las Vegas Harry Reid Intl

Wed 1/14

10:07 am-5:04 pm

2 stops27h 57m

$326

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 4/15

6:05 am-11:35 am

1 stop8h 30m

Las Vegas Harry Reid Intl

Tue 4/21

10:25 am-10:57 pm

1 stop9h 32m

$327

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 12/9

7:00 am-11:41 pm

2 stops19h 41m

Las Vegas Harry Reid Intl

Fri 12/12

8:30 pm-6:16 pm

1 stop18h 46m

$333

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 12/14

7:15 am-2:45 pm

1 stop10h 30m

Las Vegas Harry Reid Intl

Wed 12/17

11:47 am-11:08 pm

1 stop8h 21m

$342

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 1/6

7:33 am-3:22 pm

1 stop10h 49m

Las Vegas Harry Reid Intl

Fri 1/9

1:43 pm-5:04 pm

2 stops24h 21m

$352

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 3/27

11:55 am-8:45 pm

1 stop11h 50m

Las Vegas Harry Reid Intl

Sun 4/5

9:00 pm-8:01 am

1 stop8h 01m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
1
2
3
...
6

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Washington, D.C.-Las Vegas flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 November 14, 2025.

Booking 23 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $99). Flying from Washington, D.C. to Las Vegas in December is currently the most expensive (average of $159). 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 November 18, 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 14% on your trip compared to booking a flight in the afternoon.

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 November 2, 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. Friday 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 November 18, 2025.

The most flights from WAS to LAS are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 81% 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.

San Diego (SAN) is the most affordable 1-stop option, with an average round-trip price of $233.

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 Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 34m.

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 Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 59m.

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

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 November 18, 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.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
United Airlines
7.4
Good
9,020 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
Spirit Airlines
6.3
Okay
8,151 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
Frontier
5.8
Fair
3,105 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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 6 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?

    Frontier, Delta, and Southwest can get you from Washington, D.C. to Las Vegas in just under 8h 50m. Your travel time can differ by up to 6h 33m. 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 $111, 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 69% 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 $97. Southwest flights start at $119 while deals on United Airlines start at $129 one-way.

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

    The most popular route from Washington, D.C. to Las Vegas is Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl. You may also consider Baltimore/Washington - Las Vegas Harry Reid Intl or Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl.

  • 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 ITA Airways (100%), United Airlines (91%) and Austrian Airlines (90%).

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

    Looking at all options, your cheapest flight can be booked for $133. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $134 on average, our data indicates $1,184 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?

    Most of the time, Washington, D.C. to Las Vegas flights that have layovers will stop in Denver.

  • 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 $50 per day.

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

    Flights departing from Washington, D.C. and landing in Las Vegas layover in Dallas least frequently.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $99). Flying from Washington, D.C. to Las Vegas in December is currently the most expensive (average of $159). 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
Winchester
Kingman
Sunrise Manor
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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.

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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$111Average$259FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$183Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$220Average$507FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$231Average$308FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$240Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$240Average$482FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$253Average$366FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$290Average$375FlexibilityNo cancel feeOn-time83%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.