Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Las Vegas to Washington, D.C. from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Washington, D.C. departing on 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Las Vegas to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:56 pm - 1:02 pmLAS-DCA
17h 06m1 stop
Frontier Logo
8:15 am - 3:24 pmDCA-LAS
10h 09m1 stop
$164Frontier
Find Deal
Tue, Nov 11 - Tue, Nov 18
Frontier Logo
12:59 am - 1:02 pmLAS-DCA
9h 03m1 stop
Frontier Logo
6:00 pm - 11:45 pmDCA-LAS
8h 45m1 stop
$165Frontier
Find Deal
Tue, Nov 18 - Tue, Dec 9
Frontier Logo
12:59 am - 4:59 pmLAS-DCA
13h 00m1 stop
Frontier Logo
6:00 pm - 7:04 amDCA-LAS
16h 04m1 stop
$166Frontier
Find Deal
Mon, Nov 10 - Fri, Nov 14
Multiple Airlines Logo
8:31 am - 9:59 pmLAS-DCA
34h 28m2 stops
Multiple Airlines Logo
6:00 pm - 8:02 amDCA-LAS
17h 02m1 stop
$167Multiple Airlines
Find Deal
Mon, Nov 10 - Sat, Nov 15
Frontier Logo
12:59 am - 9:59 pmLAS-DCA
18h 00m1 stop
Frontier Logo
6:00 pm - 11:45 pmDCA-LAS
8h 45m1 stop
$176Frontier
Find Deal
Wed, Dec 3 - Sat, Dec 6
Frontier Logo
8:06 pm - 9:59 pmLAS-DCA
22h 53m2 stops
Frontier Logo
6:00 pm - 7:04 amDCA-LAS
16h 04m1 stop
$178Frontier
Find Deal
Tue, Nov 11 - Fri, Nov 14
Frontier Logo
12:59 am - 9:59 pmLAS-DCA
18h 00m1 stop
Frontier Logo
6:00 pm - 11:29 pmDCA-LAS
8h 29m1 stop
$179Frontier
Find Deal
Mon, Nov 10 - Tue, Nov 18
Multiple Airlines Logo
8:48 pm - 1:04 pmLAS-DCA
13h 16m1 stop
Multiple Airlines Logo
6:00 pm - 8:26 amDCA-LAS
17h 26m2 stops
$181Multiple Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 1
American Airlines Logo
6:34 am - 2:00 pmLAS-DCA
4h 26mnonstop
American Airlines Logo
7:00 am - 9:30 amDCA-LAS
5h 30mnonstop
$239American Airlines
Find Deal
Thu, Nov 27 - Sat, Dec 6
United Airlines Logo
5:55 am - 2:58 pmLAS-DCA
6h 03m1 stop
United Airlines Logo
12:40 pm - 6:00 pmDCA-LAS
8h 20m1 stop
$259United Airlines
Find Deal
Thu, Nov 27 - Sat, Dec 6

Frontier flights from Las Vegas to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Las Vegas to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Nov 11
LAS4:56 pmLas Vegas Harry Reid Intl
17h 06m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
Nov 18
DCA8:15 amWashington, D.C. Reagan-National
10h 09m
1 stop
LAS3:24 pmLas Vegas Harry Reid Intl
$164
Find similar
Frontier
Nov 18
LAS12:59 amLas Vegas Harry Reid Intl
9h 03m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
Dec 9
DCA6:00 pmWashington, D.C. Reagan-National
8h 45m
1 stop
LAS11:45 pmLas Vegas Harry Reid Intl
$165
Find similar
Frontier
Nov 10
LAS12:59 amLas Vegas Harry Reid Intl
13h 00m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Nov 14
DCA6:00 pmWashington, D.C. Reagan-National
16h 04m
1 stop
LAS7:04 amLas Vegas Harry Reid Intl
$166
Find similar

American Airlines flights from Las Vegas to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Las Vegas to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Nov 27
LAS6:34 amLas Vegas Harry Reid Intl
4h 26m
DCA2:00 pmWashington, D.C. Reagan-National
Dec 6
DCA7:00 amWashington, D.C. Reagan-National
5h 30m
LAS9:30 amLas Vegas Harry Reid Intl
$239
Find similar
American Airlines
Oct 30
LAS12:35 pmLas Vegas Harry Reid Intl
4h 39m
DCA8:14 pmWashington, D.C. Reagan-National
Nov 3
DCA7:00 amWashington, D.C. Reagan-National
5h 29m
LAS9:29 amLas Vegas Harry Reid Intl
$407
Find similar
American Airlines
Oct 30
LAS7:55 pmLas Vegas Harry Reid Intl
8h 05m
1 stop
DCA7:00 amWashington, D.C. Reagan-National
Nov 3
DCA7:00 amWashington, D.C. Reagan-National
5h 29m
LAS9:29 amLas Vegas Harry Reid Intl
$417
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
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

Tue 11/11

4:56 pm-1:02 pm

1 stop17h 06m

Washington, D.C. Reagan-National

Tue 11/18

8:15 am-3:24 pm

1 stop10h 09m

$164

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 11/18

12:59 am-1:02 pm

1 stop9h 03m

Washington, D.C. Reagan-National

Tue 12/9

6:00 pm-11:45 pm

1 stop8h 45m

$165

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 11/10

12:59 am-4:59 pm

1 stop13h 00m

Washington, D.C. Reagan-National

Fri 11/14

6:00 pm-7:04 am

1 stop16h 04m

$166

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 11/10

8:31 am-9:59 pm

2 stops34h 28m

Washington, D.C. Reagan-National

Sat 11/15

6:00 pm-8:02 am

1 stop17h 02m

$167

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 12/3

12:59 am-9:59 pm

1 stop18h 00m

Washington, D.C. Reagan-National

Sat 12/6

6:00 pm-11:45 pm

1 stop8h 45m

$176

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 11/11

8:06 pm-9:59 pm

2 stops22h 53m

Washington, D.C. Reagan-National

Fri 11/14

6:00 pm-7:04 am

1 stop16h 04m

$178

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 11/10

12:59 am-9:59 pm

1 stop18h 00m

Washington, D.C. Reagan-National

Tue 11/18

6:00 pm-11:29 pm

1 stop8h 29m

$179

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 10/31

8:48 pm-1:04 pm

1 stop13h 16m

Washington, D.C. Reagan-National

Sat 11/1

6:00 pm-8:26 am

2 stops17h 26m

$181

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 11/27

6:34 am-2:00 pm

Nonstop4h 26m

Washington, D.C. Reagan-National

Sat 12/6

7:00 am-9:30 am

Nonstop5h 30m

$239

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 11/27

5:55 am-2:58 pm

1 stop6h 03m

Washington, D.C. Reagan-National

Sat 12/6

12:40 pm-6:00 pm

1 stop8h 20m

$259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Las Vegas to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of April is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Las Vegas, with most prices found around $259. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $288.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Las Vegas to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $349. Flights from Las Vegas to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $610. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Las Vegas to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $333. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $438.

What is the cheapest Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National flight route?

Fly from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National for the best Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Las Vegas for as low as $291 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National flights?

There are 3 cabin classes available to choose from on Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Las Vegas to Washington, D.C. Reagan-National Airport flight.

How have Las Vegas to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of October 2025, prices for Las Vegas to Washington, D.C. Reagan-National Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Washington, D.C. Reagan-National Airport (LAS to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Washington, D.C. Reagan-National Airport

Best Price Found

$232

Fastest flight time

4h 24m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Las Vegas in the past 72 hours is $232. The best round-trip flight deal from Las Vegas to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $437.
The fastest flight from Las Vegas to Washington, D.C. Reagan-National Airport takes 4h 24m
Direct flights go from Las Vegas to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Las Vegas Harry Reid Intl to Washington, D.C. Reagan-National is 2079.7 mi. In terms of flight time, this usually takes a little over 4h 26m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Reagan-National Airport were last updated today.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Las Vegas to Washington, D.C. Reagan-National Airport?

Best airlines flying from Las Vegas to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Las Vegas to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $144Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,984 reviews
Search Delta flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

  • Southwest Flights From Las Vegas to Washington, D.C. Reagan-National Airport

    Across 11 Southwest flights from Las Vegas to Washington, D.C. Reagan-National Airport this week, the average price was $461, with the best Southwest deals starting from $254 round-trip. 4,241 users have rated Southwest on momondo, with an average score of 8.0/10.

  • American Airlines Flights From Las Vegas to Washington, D.C. Reagan-National Airport

    $235 is the best American Airlines flight deal from Las Vegas to Washington, D.C. Reagan-National Airport found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $457, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,043 user reviews) flies into Washington, D.C. Reagan-National Airport from Las Vegas 5 times in an average week so prices can vary.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Washington, D.C.?

Finding the right flight to Washington, D.C. from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Las Vegas to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to Washington, D.C..

I’m not ready to book a flight from Las Vegas to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Las Vegas to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/15
Sat 11/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.