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Washington, D.C.

$65+ Cheap flights from Las Vegas (LAS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in August or May, booked 44 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$150
(Cheapflightsfares)

One-way from

$65
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$337

Good round-trip deal

$198 or less

Good one-way deal

$108 or less
From Las Vegas Harry Reid Intl to Washington, D.C. (WAS)
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One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
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Find flight deals from Las Vegas to Washington, D.C.

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/311:10 pmLAS - BWI
1 stop10h 31mSpirit Airlines
jue. 9/44:34 pmBWI - LAS
Nonstop4h 59mSpirit Airlines
Deal found 6/12$138
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2011:44 amLAS - DCA
Nonstop4h 46mAmerican Airlines
dom. 8/249:30 amDCA - LAS
Nonstop4h 54mAmerican Airlines
Deal found 6/12$159
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/310:45 pmLAS - IAD
Nonstop4h 35mUnited Airlines
sáb. 9/612:35 pmIAD - LAS
Nonstop5h 00mUnited Airlines
Deal found 6/11$159
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
mié. 7/911:00 pmLAS - IAD
Nonstop4h 34mFrontier
mié. 7/167:30 amIAD - LAS
Nonstop4h 59mFrontier
Deal found 6/11$161
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:05 amLAS - DCA
1 stop7h 54mHawaiian Airlines
dom. 9/149:59 amDCA - LAS
1 stop9h 35mHawaiian Airlines
Deal found 6/11$200
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/148:30 amLAS - IAD
1 stop7h 49mHawaiian Airlines
dom. 8/175:25 pmIAD - LAS
1 stop8h 34mHawaiian Airlines
Deal found 6/10$200
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:10 amLAS - DCA
1 stop8h 49mAlaska Airlines
dom. 9/79:59 amDCA - LAS
1 stop9h 35mAlaska Airlines
Deal found 6/11$201
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/39:15 amLAS - DCA
Nonstop4h 35mSouthwest
jue. 9/44:35 pmDCA - LAS
1 stop6h 20mSouthwest
Deal found 6/12$204
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/307:25 amLAS - IAD
1 stop6h 41mAlaska Airlines
lun. 11/35:51 pmIAD - LAS
1 stop8h 40mAlaska Airlines
Deal found 6/10$216
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/311:02 pmLAS - IAD
Nonstop4h 28mMultiple Airlines
mié. 7/910:10 pmIAD - LAS
Nonstop5h 04mMultiple Airlines
Deal found 6/11$222
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
vie. 8/2212:59 amLAS - DCA
1 stop8h 12mFrontier
mar. 9/167:00 amDCA - LAS
1 stop9h 08mFrontier
Deal found 6/10$241
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/211:30 amLAS - DCA
1 stop8h 27mDelta
lun. 7/77:35 pmDCA - LAS
1 stop7h 24mDelta
Deal found 6/11$257

Cheapflights Fare Finder

Customize your flight search to find flights from Las Vegas to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Las Vegas

Fly to

Washington, D.C.

Route

Depart

Return

Price

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

mié. 9/3

11:10 pm-12:41 pm

1 stop10h 31m

Baltimore/Washington

jue. 9/4

4:34 pm-6:33 pm

Nonstop4h 59m

$138

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

mié. 8/20

11:44 am-7:30 pm

Nonstop4h 46m

Washington, D.C. Reagan-National

dom. 8/24

9:30 am-11:24 am

Nonstop4h 54m

$159

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mié. 9/3

10:45 pm-6:20 am

Nonstop4h 35m

Washington, D.C. Dulles Intl

sáb. 9/6

12:35 pm-2:35 pm

Nonstop5h 00m

$159

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mié. 7/9

11:00 pm-6:34 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

mié. 7/16

7:30 am-9:29 am

Nonstop4h 59m

$161

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

jue. 8/14

10:17 am-8:59 pm

1 stop7h 42m

Washington, D.C. Reagan-National

dom. 8/17

8:59 am-2:09 pm

1 stop8h 10m

$200

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

jue. 8/14

8:30 am-7:19 pm

1 stop7h 49m

Washington, D.C. Dulles Intl

dom. 8/17

5:25 pm-10:59 pm

1 stop8h 34m

$200

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

jue. 9/4

6:10 am-5:59 pm

1 stop8h 49m

Washington, D.C. Reagan-National

mar. 9/9

9:59 am-4:34 pm

1 stop9h 35m

$201

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

mié. 9/3

9:15 am-4:50 pm

Nonstop4h 35m

Washington, D.C. Reagan-National

sáb. 9/6

2:30 pm-8:35 pm

1 stop9h 05m

$208

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

jue. 10/30

7:25 am-5:06 pm

1 stop6h 41m

Washington, D.C. Dulles Intl

lun. 11/3

5:51 pm-11:31 pm

1 stop8h 40m

$216

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

jue. 7/3

11:02 pm-6:30 am

Nonstop4h 28m

Washington, D.C. Dulles Intl

mié. 7/9

10:10 pm-12:14 am

Nonstop5h 04m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

LAS offers a self-service TSA screening trial, reducing interaction with agents. Follow video instructions for a smoother security experience.

Read more about LASby Ramsey Qubein
IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cost-effective city connection.

Read more about IADby 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 Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Washington, D.C.. Price data was last updated on June 9, 2025.

The price you pay for your flight from Las Vegas to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $241). Flying from Las Vegas to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to WAS?

Find hourly flight availability from Las Vegas to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

It’s optimal to fly from Las Vegas to Washington, D.C. in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Washington, D.C.. Price data was last updated on June 8, 2025.

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

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

Explore weekly flight availability from Las Vegas to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from LAS to WAS are scheduled on a Wednesday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated junio 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Las Vegas to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Find useful and relevant information for your journey from Las Vegas to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Las Vegas to Washington, D.C.?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Harry Reid Intl; the airport handles an average of 7 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

  • How popular is this Las Vegas to Washington, D.C. flight route?

    The Las Vegas Harry Reid Intl to Washington, D.C. flight path was viewed by 38 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $150. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $159 and $159, respectively. Users have found that Spirit Airlines is 56% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $65. Users have also found prices from $79 and $80 on Frontier and American Airlines, respectively.

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

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

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

    Looking at all options, your cheapest flight can be booked for $83. While the most popular route (Las Vegas Harry Reid Intl - Baltimore/Washington) can be booked for $170 on average our data indicates $281 when flying from Las Vegas to Washington, D.C..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $241). Flying from Las Vegas to Washington, D.C. in March is currently the most expensive (average of $290). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
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National Harbor
Springfield
Manassas
Dundalk

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

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

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

Discover the top 6 airlines that operate flights from Las Vegas to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$235FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$183FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$217Average$439FlexibilityNo cancel feeOn-time69%
DeltaCheapest$266Average$351FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$277Average$456FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$289Average$482FlexibilityNo cancel feeOn-time71%

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