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Cheap flights from Washington, D.C. Reagan-National Airport to Las Vegas from C$ 146

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 273

One-way from

C$ 146

Popular in

December

Cheapest in

November

Average price

C$ 535
Alaska Airlines
  • Alaska Airlines
  • 3/6-10/6
  • 2 total stops
  • 16h 49m total
  • Washington, D.C. to Las Vegas
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JetBlue
  • JetBlue
  • 5/7
  • 1 total stop
  • 11h 08m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 29 April 2025.

Tue 3/69:59 a.m.DCA - LAS
1 stop8h 54mAlaska Airlines
Tue 10/610:10 a.m.LAS - DCA
1 stop7h 55mAlaska Airlines
Deal found 28/4C$ 273
Wed 28/56:09 a.m.DCA - LAS
1 stop8h 31mJetBlue
Thu 5/610:53 a.m.LAS - DCA
1 stop9h 05mJetBlue
Deal found 28/4C$ 319
Tue 1/76:25 p.m.DCA - LAS
1 stop7h 15mSouthwest
Thu 3/711:30 p.m.LAS - DCA
1 stop6h 15mSouthwest
Deal found 28/4C$ 326
Tue 1/78:59 a.m.DCA - LAS
1 stop8h 10mHawaiian Airlines
Fri 4/710:35 a.m.LAS - DCA
1 stop8h 07mHawaiian Airlines
Deal found 28/4C$ 340
Thu 4/94:24 p.m.DCA - LAS
1 stop7h 13mUnited Airlines
Sat 6/912:59 a.m.LAS - DCA
1 stop7h 37mUnited Airlines
Deal found 28/4C$ 377
Tue 27/54:00 p.m.DCA - LAS
1 stop7h 05mDelta
Thu 29/512:55 a.m.LAS - DCA
1 stop7h 05mDelta
Deal found 27/4C$ 385

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 29 April 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 3/6

9:59 a.m.-3:53 p.m.

1 stop8h 54m

Las Vegas Harry Reid Intl

Tue 10/6

10:10 a.m.-9:05 p.m.

1 stop7h 55m

C$ 273

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 28/5

6:09 a.m.-11:40 a.m.

1 stop8h 31m

Las Vegas Harry Reid Intl

Thu 5/6

10:53 a.m.-10:58 p.m.

1 stop9h 05m

C$ 319

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/7

6:25 p.m.-10:40 p.m.

1 stop7h 15m

Las Vegas Harry Reid Intl

Thu 3/7

11:30 p.m.-8:45 a.m.

1 stop6h 15m

C$ 326

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/7

8:59 a.m.-2:09 p.m.

1 stop8h 10m

Las Vegas Harry Reid Intl

Fri 4/7

10:35 a.m.-9:42 p.m.

1 stop8h 07m

C$ 340

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Thu 4/9

4:24 p.m.-8:37 p.m.

1 stop7h 13m

Las Vegas Harry Reid Intl

Sat 6/9

12:59 a.m.-11:36 a.m.

1 stop7h 37m

C$ 377

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

Thu 29/5

12:55 a.m.-11:00 a.m.

1 stop7h 05m

C$ 385

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 5/7

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

1 stop11h 08m

C$ 146

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 4/7

4:15 p.m.-6:25 p.m.

Nonstop5h 10m

C$ 150

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 16/8

5:02 p.m.-11:26 p.m.

1 stop9h 24m

C$ 152

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/7

8:59 a.m.-2:09 p.m.

1 stop8h 10m

C$ 162

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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 25 April 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 29 April 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.

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

Explore weekly flight availability from Reagan-National to Las Vegas. 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 29 April 2025.

The most flights from DCA to LAS are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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 29 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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
4,292 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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
2,402 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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 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$ 273, 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 JetBlue and Southwest. 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$ 146 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from C$ 150 and C$ 152, 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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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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