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

Frontier, at $152, was found to be the cheapest airline from Washington, D.C. to Las Vegas.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Frontier is priced at 59% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $59. Frontier flights start at $70 while deals on United Airlines start at $80 one-way.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 cheapest flights from Washington, D.C. to Las Vegas?

Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $133 on average our data indicates $829 when flying 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 Frontier (75%), Ethiopian Air (72%) and Brussels Airlines (62%).

What are the most popular airlines that fly from Washington, D.C. to Las Vegas?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines 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. Chicago is the second most popular location for layovers on flights from Washington, D.C. to Las Vegas. Detroit ranks third in terms of the most popular layover location on Washington, D.C. to Las Vegas flights.

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 Charlotte least frequently. Dallas is the second least popular location for layovers on flights 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, Paramount Theatre, and Larimer Square. Those on a layover in Denver interested in visiting Coors Field, Paramount Theatre, or Larimer Square can do so by traveling 18.4 mi, 18.6 mi, and 18.9 mi, respectively from Denver Intl. Those looking to explore during their layover in Denver can rent a car from Denver Intl for about $56 per day.

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

If you're on a layover in Chicago and looking for things to do, consider visiting Magnificent Mile, River North, or Grant Park. Magnificent Mile, River North, and Grant Park are located about 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $64 per day.

What are points of interest worth seeing during a layover in Detroit?

Most Detroit visitors opt to spend their time at Fox Theatre, Masonic Temple, and Fillmore Detroit. Fox Theatre, Masonic Temple and Fillmore Detroit are located about 17.3 mi, 17.0 mi, and 17.3 mi, respectively from Detroit Metropolitan Wayne County if you are interested in checking them out. Travelers can rent a car at Detroit Metropolitan Wayne County for an average daily rate of $70 to make sightseeing during their layover a little easier.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 24% when planning your travel around this day of the week.

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

Find a great deal and save up to 50% by booking at least 29 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Las Vegas within the next two weeks, with the cheapest ticket starting at $337.

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

September is one of the best times of the year to fly to Las Vegas from Washington, D.C.. Prices for September average $378 per person but you can even find prices for as low as $125. The most expensive prices can be found in the month of December. Opting for a September flight can save you 20% on your journey compared to booking in December

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.

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.

$59+ Flights from Washington, D.C. to Las Vegas

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Cheapflights Tip: The best prices from Washington, D.C. to Las Vegas Harry Reid Intl are usually found in September or May, booked 28 days in advance, depart on a Tuesday or Saturday and return on a Thursday

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

Round-trip from	$152 (Priceline)
One-way from	$59 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$342
Good round-trip deal	$217 or less
Good one-way deal	$114 or less

From Washington, D.C. (WAS) to Las Vegas Harry Reid Intl

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One-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl

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Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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

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

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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 July 3, 2025.

Thu 7/311:29 pmIAD - LAS

1 stop10h 53mFrontier

Sun 8/311:00 pmLAS - IAD

1 stop10h 42mFrontier

Deal found 7/2

$152

Sat 8/1610:10 pmIAD - LAS

Nonstop5h 04mUnited Airlines

Tue 8/1910:45 pmLAS - IAD

Nonstop4h 35mUnited Airlines

Deal found 7/3

$159

Tue 8/269:30 amDCA - LAS

Nonstop4h 54mAmerican Airlines

Thu 8/2811:44 amLAS - DCA

Nonstop4h 46mAmerican Airlines

Deal found 7/3

$159

Sat 9/201:00 pmDCA - LAS

1 stop10h 51mFrontier

Fri 9/2612:59 amLAS - DCA

1 stop8h 11mFrontier

Deal found 7/3

$161

Mon 8/189:59 amDCA - LAS

1 stop9h 28mHawaiian Airlines

Wed 8/2010:17 amLAS - DCA

1 stop8h 42mHawaiian Airlines

Deal found 7/1

$177

Mon 7/286:15 pmBWI - LAS

Nonstop5h 14mSpirit Airlines

Wed 7/309:12 amLAS - BWI

1 stop17h 21mSpirit Airlines

Deal found 7/2

$178

Fri 9/54:55 pmDCA - LAS

Nonstop5h 00mSouthwest

Tue 9/99:15 amLAS - DCA

Nonstop4h 35mSouthwest

Deal found 7/3

$198

Tue 8/55:25 pmIAD - LAS

1 stop19h 12mAlaska Airlines

Thu 8/78:30 amLAS - IAD

1 stop7h 49mAlaska Airlines

Deal found 7/3

$201

Thu 8/72:50 pmBWI - LAS

1 stop11h 36mMultiple Airlines

Tue 8/1212:56 pmLAS - BWI

1 stop8h 24mMultiple Airlines

Deal found 7/1

$201

Sun 8/178:59 amDCA - LAS

1 stop8h 10mAlaska Airlines

Wed 8/207:00 amLAS - DCA

1 stop11h 59mAlaska Airlines

Deal found 7/2

$201

Tue 7/227:20 amBWI - LAS

1 stop7h 33mFrontier

Mon 7/2812:59 amLAS - BWI

1 stop15h 12mFrontier

Deal found 7/1

$205

Sun 8/178:59 amDCA - LAS

1 stop8h 10mMultiple Airlines

Sun 8/248:11 pmLAS - DCA

1 stop13h 00mMultiple Airlines

Deal found 7/3

$233

Best flights from Washington, D.C. to Las Vegas
Discover carefully curated flight deals from Washington, D.C. to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Thu 7/311:29 pmIAD - LAS

1 stop10h 53mFrontier

Sun 8/311:00 pmLAS - IAD

1 stop10h 42mFrontier

Deal found 7/2

$152

Sat 8/1610:10 pmIAD - LAS

Nonstop5h 04mUnited Airlines

Tue 8/1910:45 pmLAS - IAD

Nonstop4h 35mUnited Airlines

Deal found 7/3

$159

Tue 8/269:30 amDCA - LAS

Nonstop4h 54mAmerican Airlines

Sat 8/3011:44 amLAS - DCA

Nonstop4h 46mAmerican Airlines

Deal found 7/2

$159

Mon 8/189:59 amDCA - LAS

1 stop9h 28mHawaiian Airlines

Wed 8/2010:17 amLAS - DCA

1 stop8h 42mHawaiian Airlines

Deal found 7/1

$177

Mon 7/286:15 pmBWI - LAS

Nonstop5h 14mSpirit Airlines

Wed 7/309:12 amLAS - BWI

1 stop17h 21mSpirit Airlines

Deal found 7/2

$178

Fri 9/54:55 pmDCA - LAS

Nonstop5h 00mSouthwest

Tue 9/99:15 amLAS - DCA

Nonstop4h 35mSouthwest

Deal found 7/3

$198

Tue 8/55:25 pmIAD - LAS

1 stop19h 12mAlaska Airlines

Fri 8/83:39 pmLAS - IAD

1 stop12h 11mAlaska Airlines

Deal found 7/3

$201

Thu 8/72:50 pmBWI - LAS

1 stop11h 36mMultiple Airlines

Tue 8/1212:56 pmLAS - BWI

1 stop8h 24mMultiple Airlines

Deal found 7/1

$201

Wed 7/301:44 pmDCA - LAS

1 stop9h 27mJetBlue

Sat 8/210:33 amLAS - DCA

1 stop9h 25mJetBlue

Deal found 6/30

$246

Tue 7/2210:19 amDCA - LAS

1 stop6h 40mDelta

Thu 7/319:24 amLAS - DCA

1 stop7h 20mDelta

Deal found 7/1

$257

Sat 9/201:00 pmDCA - LAS

1 stop10h 51mFrontier

Fri 9/2612:59 amLAS - DCA

1 stop8h 11mFrontier

Deal found 7/3

$161

Sun 8/178:59 amDCA - LAS

1 stop8h 10mAlaska Airlines

Wed 8/276:10 amLAS - DCA

1 stop8h 49mAlaska Airlines

Deal found 7/1

$201

Last-minute flights from Washington, D.C. to Las Vegas
Discover last-minute flight deals from Washington, D.C. to Las Vegas. Data last updated July 3, 2025 and is based on user searches.

Tue 7/87:39 pmDCA - LAS

1 stop7h 20mDelta

Thu 7/179:30 amLAS - DCA

1 stop6h 29mDelta

Deal found 7/2

$303

Tue 7/84:55 pmDCA - LAS

Nonstop5h 05mSouthwest

Thu 7/1712:20 pmLAS - DCA

1 stop7h 00mSouthwest

Deal found 7/1

$338

Wed 7/911:53 amBWI - LAS

1 stop12h 29mFrontier

Wed 7/1612:58 pmLAS - BWI

1 stop8h 27mFrontier

Deal found 7/2

$182

Thu 7/107:00 amDCA - LAS

1 stop10h 40mFrontier

Wed 7/1612:59 amLAS - DCA

1 stop8h 05mFrontier

Deal found 7/2

$198

Fri 7/1112:11 pmBWI - LAS

1 stop12h 11mMultiple Airlines

Fri 7/189:29 pmLAS - BWI

1 stop9h 50mMultiple Airlines

Deal found 7/2

$203

Sat 7/127:30 amIAD - LAS

Nonstop4h 59mFrontier

Tue 7/1511:00 pmLAS - IAD

Nonstop4h 34mFrontier

Deal found 7/2

$153

Sat 7/129:00 amDCA - LAS

Nonstop5h 12mAmerican Airlines

Tue 7/1512:02 pmLAS - DCA

Nonstop4h 52mAmerican Airlines

Deal found 7/1

$343

Sun 7/136:15 pmBWI - LAS

Nonstop5h 14mSpirit Airlines

Tue 7/1510:48 pmLAS - BWI

Nonstop4h 17mSpirit Airlines

Deal found 7/1

$199

Sun 7/135:43 pmDCA - LAS

1 stop9h 16mAlaska Airlines

Wed 7/2310:17 amLAS - DCA

1 stop7h 42mAlaska Airlines

Deal found 7/1

$274

Mon 7/147:20 amBWI - LAS

1 stop7h 33mMultiple Airlines

Fri 7/189:29 pmLAS - BWI

1 stop9h 50mMultiple Airlines

Deal found 7/2

$184

Mon 7/286:15 pmBWI - LAS

Nonstop5h 14mSpirit Airlines

Wed 7/309:12 amLAS - BWI

1 stop17h 21mSpirit Airlines

Deal found 7/2

$178

Thu 7/311:29 pmIAD - LAS

1 stop10h 53mFrontier

Sun 8/311:00 pmLAS - IAD

1 stop10h 42mFrontier

Deal found 7/3

$152

One-way flights from Washington, D.C. to Las Vegas
Search for one-way flight options from Washington, D.C. to Las Vegas. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 8/275:45 amBWI - LAS

1 stop8h 10mSpirit Airlines

Deal found 7/3

$59

Mon 9/19:58 amBWI - LAS

1 stop8h 31mFrontier

Deal found 7/1

$70

Sun 8/310:10 pmIAD - LAS

Nonstop5h 04mUnited Airlines

Deal found 7/2

$80

Sat 8/166:05 amDCA - LAS

Nonstop5h 00mSouthwest

Deal found 6/30

$80

Tue 8/56:10 amIAD - LAS

1 stop8h 43mFrontier

Deal found 7/2

$82

Wed 7/309:00 amDCA - LAS

Nonstop5h 12mAmerican Airlines

Deal found 7/2

$90

Sun 8/175:25 pmIAD - LAS

1 stop8h 34mHawaiian Airlines

Deal found 7/2

$100

Mon 9/19:59 amDCA - LAS

1 stop9h 35mHawaiian Airlines

Deal found 7/1

$100

Wed 8/137:00 amDCA - LAS

1 stop7h 02mFrontier

Deal found 7/2

$105

Tue 9/305:52 pmIAD - LAS

1 stop18h 45mAlaska Airlines

Deal found 7/2

$106

Mon 9/156:59 pmDCA - LAS

1 stop18h 33mAlaska Airlines

Deal found 7/2

$106

Tue 8/56:30 amDCA - LAS

1 stop8h 37mJetBlue

Deal found 7/1

$109

Cheapflights Fare Finder

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

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Thu 7/31

1:29 pm-9:22 pm

1 stop10h 53m

Las Vegas Harry Reid Intl

Sun 8/3

11:00 pm-12:42 pm

1 stop10h 42m

$152

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 8/16

10:10 pm-12:14 am

Nonstop5h 04m

Las Vegas Harry Reid Intl

Tue 8/19

10:45 pm-6:20 am

Nonstop4h 35m

$159

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 8/26

9:30 am-11:24 am

Nonstop4h 54m

Las Vegas Harry Reid Intl

Thu 8/28

11:44 am-7:30 pm

Nonstop4h 46m

$159

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 9/20

1:00 pm-8:51 pm

1 stop10h 51m

Las Vegas Harry Reid Intl

Fri 9/26

12:59 am-12:10 pm

1 stop8h 11m

$161

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 8/18

9:59 am-4:27 pm

1 stop9h 28m

Las Vegas Harry Reid Intl

Wed 8/20

10:17 am-9:59 pm

1 stop8h 42m

$177

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Mon 7/28

6:15 pm-8:29 pm

Nonstop5h 14m

Las Vegas Harry Reid Intl

Wed 7/30

9:12 am-5:33 am

1 stop17h 21m

$178

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 9/5

4:55 pm-6:55 pm

Nonstop5h 00m

Las Vegas Harry Reid Intl

Tue 9/9

9:15 am-4:50 pm

Nonstop4h 35m

$198

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 8/5

5:25 pm-9:37 am

1 stop19h 12m

Las Vegas Harry Reid Intl

Thu 8/7

8:30 am-7:19 pm

1 stop7h 49m

$201

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 8/17

8:59 am-2:09 pm

1 stop8h 10m

Las Vegas Harry Reid Intl

Wed 8/20

7:00 am-9:59 pm

1 stop11h 59m

$201

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Mon 8/4

10:34 am-9:31 pm

1 stop13h 57m

Las Vegas Harry Reid Intl

Sun 8/10

10:48 pm-6:05 am

Nonstop4h 17m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 30 results

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

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.

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.

Our travel experts

Ramsey Qubein

Expert on IAD and LAS

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?

Booking 28 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?

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 12% 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?

Travelers seeking maximum savings on their Washington, D.C. to Las Vegas flight should consider departing on Saturday at noon 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

The most flights from WAS to LAS are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Las Vegas

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,982 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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.
What are the cheapest airlines flying from Washington, D.C. to Las Vegas round-trip?
Frontier, at $152, was found to be the cheapest airline from Washington, D.C. to Las Vegas.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Frontier is priced at 59% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $59. Frontier flights start at $70 while deals on United Airlines start at $80 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 Frontier (75%), Ethiopian Air (72%) and Brussels Airlines (62%).
What are the cheapest flights from Washington, D.C. to Las Vegas?
Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $133 on average our data indicates $829 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. Chicago is the second most popular location for layovers on flights from Washington, D.C. to Las Vegas. Detroit ranks third in terms of the most popular layover location on Washington, D.C. to Las Vegas flights.
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, Paramount Theatre, and Larimer Square. Those on a layover in Denver interested in visiting Coors Field, Paramount Theatre, or Larimer Square can do so by traveling 18.4 mi, 18.6 mi, and 18.9 mi, respectively from Denver Intl. Those looking to explore during their layover in Denver can rent a car from Denver Intl for about $56 per day.
What are some popular points of interest to see during a layover in Chicago?
If you're on a layover in Chicago and looking for things to do, consider visiting Magnificent Mile, River North, or Grant Park. Magnificent Mile, River North, and Grant Park are located about 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $64 per day.
What are points of interest worth seeing during a layover in Detroit?
Most Detroit visitors opt to spend their time at Fox Theatre, Masonic Temple, and Fillmore Detroit. Fox Theatre, Masonic Temple and Fillmore Detroit are located about 17.3 mi, 17.0 mi, and 17.3 mi, respectively from Detroit Metropolitan Wayne County if you are interested in checking them out. Travelers can rent a car at Detroit Metropolitan Wayne County for an average daily rate of $70 to make sightseeing during their layover a little easier.
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 Charlotte least frequently. Dallas is the second least popular location for layovers on flights 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, 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$115	Average$218	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$119	Average$277	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$239	Average$335	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$256	Average$394	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$257	Average$482	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$257	Average$313	FlexibilityNo cancel fee	On-time75%
Sun Country Air	Cheapest$258	Average$360	FlexibilityNo cancel fee	On-time83%
Southwest	Cheapest$286	Average$499	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$289	Average$512	FlexibilityNo cancel fee	On-time71%

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$59+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Las Vegas Harry Reid Intl are usually found in September or May, booked 28 days in advance, depart on a Tuesday or Saturday and return on a Thursday

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Cheapest flights from Washington, D.C. to Las VegasExplore 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 July 3, 2025.

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 July 3, 2025.

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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.

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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 June 27, 2025.

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

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 July 3, 2025.

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 June 29, 2025.

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

Reviews of airlines servicing Las Vegas

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.

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.?

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

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

What are the cheapest flights 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?

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

What are points of interest worth seeing during a layover in Detroit?

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?

How can I 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?

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

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

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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 July 3, 2025.