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Cheap flights from Washington, D.C. Reagan-National Airport to Las Vegas from C$ 156

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
2 Apr — 9 Apr1
1 adult

Cheap flight deals from Reagan-National to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Las Vegas (LAS). 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 28 March 2025.

Round-trip from

C$ 282

One-way from

C$ 156

Popular in

December

Cheapest in

November

Average price

C$ 660
Alaska Airlines
  • Alaska Airlines
  • 29/4-6/5
  • 2 total stops
  • 18h 02m total
  • Washington, D.C. to Las Vegas
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Southwest
  • Southwest
  • 6/5
  • Nonstop
  • 5h 10m total
  • Washington, D.C. to Las Vegas
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Highest demand for flights based on searches. 0% potential increase in price (C$ 5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Reagan-National to Las Vegas

Cheapest flights from Reagan-National to Las Vegas
Explore the most affordable flight options available from Reagan-National to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Tue 29/49:59 a.m.DCA - LAS
1 stop10h 08mAlaska Airlines
Tue 6/56:38 a.m.LAS - DCA
1 stop7h 54mAlaska Airlines
Deal found 27/3C$ 282
Tue 13/54:25 p.m.DCA - LAS
1 stop6h 20mSouthwest
Wed 14/58:25 a.m.LAS - DCA
Nonstop4h 30mSouthwest
Deal found 26/3C$ 322
Sat 3/59:59 a.m.DCA - LAS
1 stop10h 08mHawaiian Airlines
Sat 10/56:38 a.m.LAS - DCA
1 stop7h 54mHawaiian Airlines
Deal found 28/3C$ 337
Tue 23/96:30 a.m.DCA - LAS
1 stop11h 08mJetBlue
Tue 30/97:00 a.m.LAS - DCA
1 stop8h 44mJetBlue
Deal found 28/3C$ 364
Tue 27/54:00 p.m.DCA - LAS
1 stop7h 05mDelta
Wed 28/512:54 a.m.LAS - DCA
1 stop7h 09mDelta
Deal found 27/3C$ 397
Fri 18/75:00 p.m.DCA - LAS
1 stop7h 52mUnited Airlines
Sun 20/712:59 a.m.LAS - DCA
1 stop7h 47mUnited Airlines
Deal found 27/3C$ 525

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Las Vegas 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 629,999 searches. Data last updated 28 March 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Las Vegas that are best for you.

Fly from

Reagan-National

Fly to

Las Vegas

Route

Depart

Return

Price

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 29/4

9:59 a.m.-5:07 p.m.

1 stop10h 08m

Las Vegas Harry Reid Intl

Tue 6/5

6:38 a.m.-5:32 p.m.

1 stop7h 54m

C$ 282

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 13/5

4:25 p.m.-7:45 p.m.

1 stop6h 20m

Las Vegas Harry Reid Intl

Wed 14/5

8:25 a.m.-3:55 p.m.

Nonstop4h 30m

C$ 322

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 3/5

9:59 a.m.-5:07 p.m.

1 stop10h 08m

Las Vegas Harry Reid Intl

Sat 10/5

6:38 a.m.-5:32 p.m.

1 stop7h 54m

C$ 337

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 23/9

6:30 a.m.-2:38 p.m.

1 stop11h 08m

Las Vegas Harry Reid Intl

Tue 30/9

7:00 a.m.-6:44 p.m.

1 stop8h 44m

C$ 364

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 27/5

4:00 p.m.-8:05 p.m.

1 stop7h 05m

Las Vegas Harry Reid Intl

Wed 28/5

12:54 a.m.-11:03 a.m.

1 stop7h 09m

C$ 397

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 18/7

5:00 p.m.-9:52 p.m.

1 stop7h 52m

Las Vegas Harry Reid Intl

Sun 20/7

12:59 a.m.-11:46 a.m.

1 stop7h 47m

C$ 525

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 6/5

4:40 p.m.-6:50 p.m.

Nonstop5h 10m

C$ 156

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 26/4

9:59 a.m.-5:07 p.m.

1 stop10h 08m

C$ 157

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 3/5

9:59 a.m.-5:07 p.m.

1 stop10h 08m

C$ 169

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 17/6

6:05 a.m.-10:20 a.m.

1 stop7h 15m

C$ 214

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 12 results
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Best time to book a flight from Reagan-National to Las Vegas

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Las Vegas. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Las Vegas, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of C$ 212). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in August is currently the most expensive (average of C$ 311). 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 DCA to LAS?

Find hourly flight availability from Reagan-National to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Las Vegas as you normally would.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 mm per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated 28 March 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Washington, D.C. to Las Vegas to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews
Check prices

Crew

8.7

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Crew

8.7

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,797 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Crew

8.7

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,898 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Crew

8.7

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Crew

8.7

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,604 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Crew

8.7

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

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

    For a flight from Washington, D.C. Reagan-National to Las Vegas, you will be flying into Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 10.0 km from the centre of the city. Harry Reid Intl is the only Las Vegas airport and it handles 3 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Las Vegas Harry Reid Intl from Washington, D.C. Reagan-National on a regular basis.

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

    Alaska Airlines, at C$ 282, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Las Vegas.Alternate airlines to your destination round-trip include Southwest and Hawaiian Airlines. Alaska Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

    C$ 156 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from C$ 157 and C$ 172, respectively.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of C$ 212). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in August is currently the most expensive (average of C$ 311). 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

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Henderson
Boulder City
North Las Vegas
Paradise

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Can Cheapflights notify me if prices for flights from Reagan-National to Las Vegas become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from Reagan-National today and book when prices fit your budget.

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