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 12% 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 13% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 116 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 $145. Other airlines that can offer you cheap pricing are American Airlines, from $233, and Southwest, from $254. Frontier is priced at 60% lower than the current average price of a flight leaving 3 months from now.

Weekly flight availability from Las Vegas to Washington, D.C. Reagan-National Airport

The most flights from LAS to DCA are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 $513, our data indicates the cheapest price to be $156. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around $130.

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 2 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.

$107+ Flights from Las Vegas to Washington, D.C. Reagan-National Airport

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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

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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 25 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Find 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 November 7, 2025.

Sun 12/216:00 amLAS - DCA

1 stop12h 59mFrontier

Thu 1/82:00 pmDCA - LAS

1 stop7h 46mFrontier

Deal found 11/5

$175

Sat 12/136:00 amLAS - DCA

1 stop7h 59mFrontier

Sat 12/136:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 11/6

$176

Tue 12/96:45 pmLAS - DCA

2 stops19h 14mFrontier

Mon 12/156:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 11/6

$178

Sat 12/136:00 amLAS - DCA

1 stop12h 59mMultiple Airlines

Tue 1/206:00 pmDCA - LAS

2 stops19h 26mMultiple Airlines

Deal found 11/6

$181

Thu 12/46:00 amLAS - DCA

1 stop7h 59mFrontier

Wed 12/106:00 pmDCA - LAS

2 stops16h 37mFrontier

Deal found 11/6

$182

Wed 12/37:24 pmLAS - DCA

1 stop14h 42mFrontier

Wed 12/101:00 pmDCA - LAS

2 stops30h 48mFrontier

Deal found 11/5

$184

Thu 11/2012:59 amLAS - DCA

1 stop9h 04mFrontier

Sat 12/136:00 pmDCA - LAS

2 stops16h 37mFrontier

Deal found 11/6

$185

Thu 11/208:40 pmLAS - DCA

1 stop13h 23mMultiple Airlines

Sun 11/236:00 pmDCA - LAS

2 stops16h 16mMultiple Airlines

Deal found 11/4

$186

Thu 12/116:00 amLAS - DCA

1 stop12h 59mFrontier

Sat 12/138:00 amDCA - LAS

2 stops14h 56mFrontier

Deal found 11/6

$187

Thu 12/1812:59 amLAS - DCA

1 stop9h 02mFrontier

Sun 1/42:00 pmDCA - LAS

1 stop8h 43mFrontier

Deal found 11/5

$188

Thu 11/2012:59 amLAS - DCA

1 stop9h 04mFrontier

Thu 11/278:00 amDCA - LAS

2 stops13h 46mFrontier

Deal found 11/4

$190

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 November 7, 2025.

Sun 12/71:55 pmLAS - DCA

2 stops44h 11mFrontier

Fri 12/126:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 11/6

$198

Sun 12/711:59 pmLAS - DCA

1 stop7h 54mUnited Airlines

Fri 12/127:30 amDCA - LAS

1 stop8h 27mUnited Airlines

Deal found 11/6

$245

Mon 12/2210:07 pmLAS - DCA

1 stop7h 50mDelta

Wed 1/75:59 pmDCA - LAS

1 stop7h 11mDelta

Deal found 11/5

$257

Fri 11/2112:59 amLAS - DCA

1 stop9h 04mFrontier

Wed 11/262:00 pmDCA - LAS

1 stop12h 36mFrontier

Deal found 11/6

$213

Sat 12/612:59 amLAS - DCA

1 stop13h 00mFrontier

Tue 12/98:00 amDCA - LAS

1 stop26h 39mFrontier

Deal found 11/5

$214

Tue 12/912:59 amLAS - DCA

1 stop7h 33mUnited Airlines

Mon 12/156:00 pmDCA - LAS

1 stop7h 14mUnited Airlines

Deal found 11/6

$245

Tue 12/212:44 amLAS - DCA

1 stop8h 58mDelta

Wed 12/107:40 pmDCA - LAS

1 stop7h 47mDelta

Deal found 11/5

$265

Tue 3/39:43 amLAS - DCA

1 stop9h 16mFrontier

Wed 3/48:00 amDCA - LAS

1 stop13h 46mFrontier

Deal found 11/6

$252

Thu 11/276:10 amLAS - DCA

1 stop6h 50mDelta

Tue 12/24:15 pmDCA - LAS

1 stop8h 32mDelta

Deal found 11/6

$288

Tue 1/137:50 amLAS - DCA

1 stop6h 10mFrontier

Fri 2/272:00 pmDCA - LAS

1 stop7h 46mFrontier

Deal found 11/4

$255

Last-minute flights from Las Vegas to Reagan-National
Discover last-minute flight deals from Las Vegas to Reagan-National. Data last updated November 7, 2025 and is based on user searches.

Tue 11/1112:59 amLAS - DCA

1 stop9h 03mFrontier

Thu 11/208:00 amDCA - LAS

1 stop27h 07mFrontier

Deal found 11/4

$176

Tue 11/1812:59 amLAS - DCA

1 stop9h 03mMultiple Airlines

Sun 11/236:00 pmDCA - LAS

2 stops16h 16mMultiple Airlines

Deal found 11/4

$185

Thu 11/208:40 pmLAS - DCA

1 stop13h 23mMultiple Airlines

Sun 11/236:00 pmDCA - LAS

2 stops16h 16mMultiple Airlines

Deal found 11/4

$186

Thu 11/2012:59 amLAS - DCA

1 stop9h 04mFrontier

Thu 11/278:00 amDCA - LAS

2 stops13h 46mFrontier

Deal found 11/4

$190

Thu 11/276:00 amLAS - DCA

1 stop7h 57mFrontier

Sat 12/66:00 pmDCA - LAS

1 stop27h 46mFrontier

Deal found 11/5

$194

Wed 12/37:24 pmLAS - DCA

1 stop14h 42mFrontier

Wed 12/101:00 pmDCA - LAS

2 stops30h 48mFrontier

Deal found 11/5

$184

Tue 12/96:45 pmLAS - DCA

2 stops19h 14mFrontier

Mon 12/156:00 pmDCA - LAS

1 stop8h 42mFrontier

Deal found 11/6

$178

Sat 12/136:00 amLAS - DCA

1 stop12h 59mMultiple Airlines

Tue 1/206:00 pmDCA - LAS

2 stops19h 26mMultiple Airlines

Deal found 11/6

$181

Thu 12/1812:59 amLAS - DCA

1 stop9h 02mFrontier

Fri 1/26:00 pmDCA - LAS

1 stop17h 05mFrontier

Deal found 11/5

$188

Sun 12/216:00 amLAS - DCA

1 stop12h 59mFrontier

Thu 1/82:00 pmDCA - LAS

1 stop7h 46mFrontier

Deal found 11/5

$175

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 November 7, 2025.

Mon 2/28:13 pmLAS - DCA

2 stops17h 46mFrontier

Deal found 11/3

$107

Tue 2/312:12 pmLAS - DCA

2 stops25h 47mFrontier

Deal found 11/4

$108

Tue 12/169:53 amLAS - DCA

1 stop10h 06mJetBlue

Deal found 11/4

$109

Wed 11/1212:59 amLAS - DCA

1 stop9h 03mFrontier

Deal found 11/5

$110

Tue 1/67:15 pmLAS - DCA

2 stops23h 44mFrontier

Deal found 11/6

$112

Sat 1/177:51 pmLAS - DCA

2 stops18h 09mFrontier

Deal found 11/4

$113

Wed 11/198:17 pmLAS - DCA

2 stops37h 46mMultiple Airlines

Deal found 11/4

$114

Wed 11/196:31 pmLAS - DCA

2 stops39h 32mFrontier

Deal found 11/4

$115

Mon 11/178:31 amLAS - DCA

2 stops29h 28mMultiple Airlines

Deal found 11/4

$118

Cheap flight deals from Las Vegas to Reagan-National

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$175 (Kiwi.com)
One-way from	$107 (Kiwi.com)
Popular in	October
Cheapest in	April
Average price	$376
Good round-trip deal	$570 or less
Good one-way deal	$268 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. 6% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 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 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

Sun 12/7

1:55 pm-1:06 pm

2 stops44h 11m

Washington, D.C. Reagan-National

Fri 12/12

6:00 pm-11:42 pm

1 stop8h 42m

$198

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 11/21

12:59 am-1:03 pm

1 stop9h 04m

Washington, D.C. Reagan-National

Wed 11/26

2:00 pm-11:36 pm

1 stop12h 36m

$213

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 12/6

12:59 am-4:59 pm

1 stop13h 00m

Washington, D.C. Reagan-National

Tue 12/9

8:00 am-7:39 am

1 stop26h 39m

$214

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sun 12/7

11:59 pm-10:53 am

1 stop7h 54m

Washington, D.C. Reagan-National

Fri 12/12

7:30 am-12:57 pm

1 stop8h 27m

$245

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 12/9

12:59 am-11:32 am

1 stop7h 33m

Washington, D.C. Reagan-National

Mon 12/15

6:00 pm-10:14 pm

1 stop7h 14m

$245

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 3/3

9:43 am-9:59 pm

1 stop9h 16m

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-6:46 pm

1 stop13h 46m

$252

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 1/13

7:50 am-5:00 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Fri 2/27

2:00 pm-6:46 pm

1 stop7h 46m

$255

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 12/22

10:07 pm-8:57 am

1 stop7h 50m

Washington, D.C. Reagan-National

Wed 1/7

5:59 pm-10:10 pm

1 stop7h 11m

$257

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 12/2

12:44 am-12:42 pm

1 stop8h 58m

Washington, D.C. Reagan-National

Wed 12/10

7:40 pm-12:27 am

1 stop7h 47m

$265

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 11/27

6:10 am-4:00 pm

1 stop6h 50m

Washington, D.C. Reagan-National

Tue 12/2

4:15 pm-9:47 pm

1 stop8h 32m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 20 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 November.

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

Airlines

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 25 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 December is currently the most expensive (average of $256). 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

8.0

Very good

4,241 reviews

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

4,241 reviews

Southwest

8.0

Very good

4,241 reviews

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

Delta

7.9

Good

8,001 reviews

Southwest

8.0

Very good

4,241 reviews

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

9,007 reviews

Southwest

8.0

Very good

4,241 reviews

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

11,040 reviews

Southwest

8.0

Very good

4,241 reviews

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

3,115 reviews

Southwest

8.0

Very good

4,241 reviews

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

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 2 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 7h 54m. Fly via Frontier or United Airlines to get the fastest option. The distance between Las Vegas and Washington, D.C. Reagan-National Airport is about 2082 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $145. Other airlines that can offer you cheap pricing are American Airlines, from $233, and Southwest, from $254. Frontier is priced at 60% lower than the current average price of a flight leaving 3 months from now.
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 $513, our data indicates the cheapest price to be $156. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around $130.
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 December is currently the most expensive (average of $256). 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

Tysons

Woodbridge

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fairfax

Fredericksburg

Falls Church

Linthicum Heights

Manassas

Laurel

Towson

National Harbor

Waldorf

Bowie

Largo

McLean

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$145	Average$256	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$233	Average$459	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$254	Average$458	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$256	Average$318	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$289	Average$407	FlexibilityNo cancel fee	On-time69%

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$107+ 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 2/2. 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 25 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Find 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 November 7, 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 November 7, 2025.

Cheap flight deals from Las Vegas to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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.

Compare providers for flights from Las Vegas to Reagan-National

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 Las Vegas to Reagan-National in November.

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.

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

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

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

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

Weekly flight availability from Las Vegas to Washington, D.C. Reagan-National Airport

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

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

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

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

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.

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

How long is the flight from Las Vegas to Washington, D.C. Reagan-National Airport?

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

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

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

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

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

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

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Alternative routes for Las Vegas to Reagan-National

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Top 5 airlines flying from 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 November 7, 2025.