What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

Over the last year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

About 16% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 122 minutes.

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

Cheapflights users have booked flights from Las Vegas to Washington, D.C. Reagan-National Airport round-trip from $125. Other airlines that can offer you cheap pricing are American Airlines, from $226, and United Airlines, from $226. Frontier is priced at 65% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $62. Users have also found prices from $79 and $103 on Frontier and American Airlines, respectively.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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).

What are the cheapest flights from Las Vegas to Washington, D.C. Reagan-National Airport?

Looking for the cheapest flight from Las Vegas to Washington, D.C. Reagan-National Airport? While on average our users pay $420, our data indicates the cheapest price to be $118. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around $166.

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

When booking a flight from Las Vegas to Washington, D.C. Reagan-National Airport, you may want to consider flying on American Airlines, Frontier or Southwest as they are the most popular for this route.

Most accurate provider : When it comes to deals on Las Vegas-Washington, D.C. Reagan-National Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Las Vegas-Washington, D.C. Reagan-National Airport 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 Las Vegas-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight to Washington, D.C. Reagan-National from Las Vegas, you will be flying from 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 0 flights from Harry Reid Intl to Washington, D.C. Reagan-National per day from 5 different airlines.

Can I find deals for flights from Las Vegas to Reagan-National that include hotel bookings?

Yes. In addition to deals on Las Vegas to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Las Vegas to Reagan-National?

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

Can I find deals for business class flights from Las Vegas to Reagan-National?

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

$114+ Flights from Las Vegas to Washington, D.C. Reagan-National Airport

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Find cheap flights from Las Vegas to Reagan-National 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 Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National are usually found in April or August, booked 11 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Las Vegas to Reagan-National

Cheapest flights from Las Vegas to Reagan-National
Explore the most affordable flight options available from Las Vegas to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Wed 12/2412:59 amLAS - DCA

1 stop18h 00mFrontier

Thu 1/18:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$208

Wed 12/2412:59 amLAS - DCA

1 stop9h 02mFrontier

Fri 1/28:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$216

Wed 12/246:00 amLAS - DCA

1 stop28h 01mFrontier

Sun 1/48:00 amDCA - LAS

1 stop14h 43mFrontier

Deal found 12/17

$231

Sat 12/206:00 amLAS - DCA

1 stop7h 59mFrontier

Wed 1/76:00 pmDCA - LAS

1 stop7h 53mFrontier

Deal found 12/16

$233

Mon 12/226:00 amLAS - DCA

1 stop12h 59mFrontier

Wed 1/78:59 amDCA - LAS

1 stop8h 24mFrontier

Deal found 12/17

$234

Sun 12/2112:59 amLAS - DCA

1 stop18h 00mFrontier

Sat 1/38:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/15

$235

Tue 12/167:24 pmLAS - DCA

1 stop23h 35mFrontier

Wed 1/218:59 amDCA - LAS

1 stop12h 21mFrontier

Deal found 12/16

$237

Sat 12/206:00 amLAS - DCA

1 stop7h 59mFrontier

Thu 1/18:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$241

Wed 12/2412:59 amLAS - DCA

1 stop9h 02mFrontier

Sun 1/48:00 amDCA - LAS

1 stop14h 43mFrontier

Deal found 12/16

$250

Thu 12/186:00 amLAS - DCA

1 stop12h 59mFrontier

Wed 1/76:00 pmDCA - LAS

1 stop7h 53mFrontier

Deal found 12/16

$253

Best flights from Las Vegas to Reagan-National
Discover carefully curated flight deals from Las Vegas to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Fri 2/2012:59 amLAS - DCA

1 stop9h 01mMultiple Airlines

Wed 2/258:59 amDCA - LAS

1 stop8h 48mMultiple Airlines

Deal found 12/17

$217

Wed 12/246:00 amLAS - DCA

1 stop28h 01mFrontier

Sun 1/48:00 amDCA - LAS

1 stop14h 43mFrontier

Deal found 12/17

$231

Sat 1/178:00 amLAS - DCA

1 stop10h 59mAlaska Airlines

Tue 1/209:59 amDCA - LAS

2 stops15h 01mAlaska Airlines

Deal found 12/17

$305

Sat 1/1711:25 amLAS - DCA

Nonstop4h 30mSouthwest

Tue 1/204:25 pmDCA - LAS

1 stop7h 25mSouthwest

Deal found 12/16

$311

Fri 1/2312:22 pmLAS - DCA

1 stop6h 37mFrontier

Fri 1/302:00 pmDCA - LAS

1 stop27h 46mFrontier

Deal found 12/16

$253

Thu 12/2512:59 amLAS - DCA

1 stop9h 02mFrontier

Thu 1/18:00 amDCA - LAS

1 stop18h 42mFrontier

Deal found 12/17

$266

Thu 12/2512:59 amLAS - DCA

1 stop9h 02mFrontier

Sat 1/38:00 amDCA - LAS

1 stop18h 42mFrontier

Deal found 12/17

$266

Wed 12/243:47 pmLAS - DCA

2 stops27h 12mMultiple Airlines

Fri 1/28:00 amDCA - LAS

1 stop18h 42mMultiple Airlines

Deal found 12/17

$323

Thu 12/259:25 amLAS - DCA

Nonstop4h 25mSouthwest

Thu 1/14:35 pmDCA - LAS

Nonstop5h 15mSouthwest

Deal found 12/15

$335

Mon 12/226:00 amLAS - DCA

1 stop12h 59mFrontier

Fri 1/98:01 amDCA - LAS

1 stop14h 10mFrontier

Deal found 12/15

$268

Sat 12/2012:59 amLAS - DCA

1 stop9h 02mFrontier

Mon 1/56:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 12/15

$290

Thu 12/2512:59 amLAS - DCA

1 stop9h 02mFrontier

Fri 1/28:00 amDCA - LAS

1 stop18h 42mFrontier

Deal found 12/17

$300

Last-minute flights from Las Vegas to Reagan-National
Discover last-minute flight deals from Las Vegas to Reagan-National. Data last updated December 18, 2025 and is based on user searches.

Fri 12/1912:59 amLAS - DCA

1 stop9h 02mFrontier

Sat 1/102:00 pmDCA - LAS

1 stop8h 52mFrontier

Deal found 12/16

$233

Sun 12/2112:59 amLAS - DCA

1 stop18h 00mFrontier

Mon 1/58:00 amDCA - LAS

1 stop18h 42mFrontier

Deal found 12/17

$234

Sun 12/2112:59 amLAS - DCA

1 stop18h 00mFrontier

Sat 1/38:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/15

$235

Wed 12/2412:59 amLAS - DCA

1 stop18h 00mFrontier

Thu 1/18:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$208

Wed 12/2412:59 amLAS - DCA

1 stop9h 02mFrontier

Fri 1/28:00 amDCA - LAS

1 stop27h 05mFrontier

Deal found 12/16

$216

Wed 12/246:00 amLAS - DCA

1 stop28h 01mFrontier

Sun 1/48:00 amDCA - LAS

1 stop14h 43mFrontier

Deal found 12/17

$231

Mon 1/58:25 pmLAS - DCA

1 stop13h 37mMultiple Airlines

Tue 1/135:20 pmDCA - LAS

1 stop9h 39mMultiple Airlines

Deal found 12/17

$225

Wed 1/712:59 amLAS - DCA

1 stop9h 02mFrontier

Fri 1/98:01 amDCA - LAS

1 stop7h 59mFrontier

Deal found 12/16

$217

Mon 1/128:16 pmLAS - DCA

1 stop13h 46mFrontier

Thu 1/158:00 amDCA - LAS

2 stops35h 49mFrontier

Deal found 12/16

$236

Sat 1/179:35 pmLAS - DCA

2 stops21h 24mMultiple Airlines

Tue 1/202:00 pmDCA - LAS

1 stop8h 23mMultiple Airlines

Deal found 12/16

$241

Tue 1/207:30 amLAS - DCA

1 stop26h 32mFrontier

Fri 1/302:00 pmDCA - LAS

1 stop12h 39mFrontier

Deal found 12/16

$218

One-way flights from Las Vegas to Reagan-National
Search for one-way flight options from Las Vegas to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/58:25 pmLAS - DCA

1 stop13h 37mFrontier

Deal found 12/16

$114

Wed 12/3112:59 amLAS - DCA

1 stop9h 02mFrontier

Deal found 12/16

$115

Wed 12/2412:59 amLAS - DCA

1 stop9h 02mFrontier

Deal found 12/16

$116

Thu 2/196:00 amLAS - DCA

2 stops12h 59mFrontier

Deal found 12/16

$117

Sun 1/258:30 amLAS - DCA

2 stops34h 29mFrontier

Deal found 12/17

$118

Mon 1/265:12 pmLAS - DCA

1 stop25h 47mFrontier

Deal found 12/17

$119

Sat 1/1712:29 amLAS - DCA

1 stop13h 30mFrontier

Deal found 12/16

$122

Sat 1/1012:59 amLAS - DCA

1 stop9h 02mFrontier

Deal found 12/16

$125

Thu 2/1912:59 amLAS - DCA

1 stop9h 16mFrontier

Deal found 12/17

$127

Thu 1/812:59 amLAS - DCA

1 stop9h 02mFrontier

Deal found 12/16

$129

Find flight deals from Las Vegas to Reagan-National

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$208 (Kiwi.com)
One-way from	$114 (Trip.com)
Popular in	October
Cheapest in	April
Average price	$360
Good round-trip deal	$316 or less
Good one-way deal	$205 or less

Provider with most accurate pricing for Las Vegas Harry Reid Intl-Washington, D.C. Reagan-National flight deals.

Search Deals

Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Washington, D.C. Reagan-National flights.

Search Deals

From Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National

Search Deals

One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($62 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 2/20

12:59 am-1:00 pm

1 stop9h 01m

Washington, D.C. Reagan-National

Wed 2/25

8:59 am-2:47 pm

1 stop8h 48m

$217

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 12/24

6:00 am-1:01 pm

1 stop28h 01m

Washington, D.C. Reagan-National

Sun 1/4

8:00 am-7:43 pm

1 stop14h 43m

$231

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 1/23

12:22 pm-9:59 pm

1 stop6h 37m

Washington, D.C. Reagan-National

Fri 1/30

2:00 pm-2:46 pm

1 stop27h 46m

$253

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 12/25

12:59 am-1:01 pm

1 stop9h 02m

Washington, D.C. Reagan-National

Thu 1/1

8:00 am-11:42 pm

1 stop18h 42m

$266

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 12/25

12:59 am-1:01 pm

1 stop9h 02m

Washington, D.C. Reagan-National

Sat 1/3

8:00 am-11:42 pm

1 stop18h 42m

$266

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 12/22

6:00 am-9:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Fri 1/9

8:01 am-7:11 pm

1 stop14h 10m

$268

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 12/20

12:59 am-1:01 pm

1 stop9h 02m

Washington, D.C. Reagan-National

Mon 1/5

6:00 pm-11:42 pm

1 stop8h 42m

$290

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 12/25

12:59 am-1:01 pm

1 stop9h 02m

Washington, D.C. Reagan-National

Fri 1/2

8:00 am-11:42 pm

1 stop18h 42m

$300

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 1/17

8:00 am-9:59 pm

1 stop10h 59m

Washington, D.C. Reagan-National

Tue 1/20

9:59 am-10:00 pm

2 stops15h 01m

$305

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 1/17

11:25 am-6:55 pm

Nonstop4h 30m

Washington, D.C. Reagan-National

Tue 1/20

4:25 pm-8:50 pm

1 stop7h 25m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 23 results

Compare providers for flights from Las Vegas to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Reagan-National in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust 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 Las Vegas-Washington, D.C. Reagan-National Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Las Vegas-Washington, D.C. Reagan-National Airport 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 Las Vegas-Washington, D.C. Reagan-National Airport 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 Las Vegas to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

Prices

Delays

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

The price you pay for your flight from Las Vegas to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 11 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. Reagan-National Airport?

Currently, March is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Reagan-National Airport (average of $114). Flying from Las Vegas to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of $233). 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 DCA?

When flying from Las Vegas to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Las Vegas to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,005 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,091 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,054 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,081 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airport do you fly from for flights from Las Vegas to Washington, D.C. Reagan-National?
If you book a flight to Washington, D.C. Reagan-National from Las Vegas, you will be flying from 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 0 flights from Harry Reid Intl to Washington, D.C. Reagan-National per day from 5 different airlines.
How long is the flight from Las Vegas to Washington, D.C. Reagan-National Airport?
There are many flights that can get you from Las Vegas to Washington, D.C. Reagan-National Airport in 28h 01m. Fly via Frontier to get the fastest option. The distance between Las Vegas and Washington, D.C. Reagan-National Airport is about 2082 mi.
What are the cheapest airlines flying from Las Vegas to Washington, D.C. Reagan-National Airport round-trip?
Cheapflights users have booked flights from Las Vegas to Washington, D.C. Reagan-National Airport round-trip from $125. Other airlines that can offer you cheap pricing are American Airlines, from $226, and United Airlines, from $226. Frontier is priced at 65% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Las Vegas to Washington, D.C. Reagan-National Airport one-way?
For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $62. Users have also found prices from $79 and $103 on Frontier and American Airlines, respectively.
What are the cheapest flights from Las Vegas to Washington, D.C. Reagan-National Airport?
Looking for the cheapest flight from Las Vegas to Washington, D.C. Reagan-National Airport? While on average our users pay $420, our data indicates the cheapest price to be $118. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around $166.
Can I find deals for flights from Las Vegas to Reagan-National that include hotel bookings?
Yes. In addition to deals on Las Vegas to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Reagan-National.
Can I find deals for business class flights from Las Vegas to Reagan-National?
Yes. Cheapflights offers flight deals from Las Vegas to Reagan-National 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. Reagan-National Airport?
Currently, March is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Reagan-National Airport (average of $114). Flying from Las Vegas to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of $233). 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

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

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Rockville

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McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Las Vegas to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$138	Average$248	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$226	Average$432	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$226	Average$404	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$254	Average$457	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$256	Average$308	FlexibilityNo cancel fee	On-timeN/A

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$114+ Cheap flights from Las Vegas (LAS) to Reagan-National (DCA)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National are usually found in April or August, booked 11 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Las Vegas to Reagan-National

Cheapest flights from Las Vegas to Reagan-NationalExplore the most affordable flight options available from Las Vegas to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Las Vegas to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

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Best time to book a flight from Las Vegas to Reagan-National

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

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Reviews of airlines servicing Reagan-National

Related info for your journey

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

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Alternative routes for Las Vegas to Reagan-National

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Cheapest flights from Las Vegas to Reagan-National
Explore the most affordable flight options available from Las Vegas to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.