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Cheap flights from Las Vegas to Washington, D.C. from £73

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
5 May — 12 May1
1 adult

Cheap flight deals from Las Vegas to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Washington, D.C. (WAS). 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 30 April 2025.

Round-trip from

£161

One-way from

£73

Popular in

December

Cheapest in

August

Average price

£260

Good one-way deal

£88 or less
Alaska Airlines
  • Alaska Airlines
  • 12/8-15/8
  • 2 total stops
  • 16h 23m total
  • Las Vegas to Washington, D.C.
Alaska Airlines
  • Alaska Airlines
  • 15/7
  • 1 total stop
  • 7h 42m total
  • Las Vegas to Washington, D.C.
Highest demand for flights based on searches. 8% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).

Find flight deals from Las Vegas to Washington, D.C.

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Tue 12/808:30LAS - IAD
1 stop7h 49mAlaska Airlines
Fri 15/817:25IAD - LAS
1 stop8h 34mAlaska Airlines
Deal found 29/4£161
Thu 29/510:10LAS - DCA
1 stop7h 55mAlaska Airlines
Sun 15/608:59DCA - LAS
1 stop8h 10mAlaska Airlines
Deal found 29/4£183
Tue 22/723:20LAS - DCA
1 stop8h 00mSouthwest
Tue 29/716:55DCA - LAS
Nonstop5h 05mSouthwest
Deal found 28/4£184
Thu 19/623:59LAS - IAD
1 stop8h 20mSun Country Air
Mon 23/613:22IAD - LAS
1 stop24h 38mSun Country Air
Deal found 29/4£190
Tue 10/610:10LAS - DCA
1 stop7h 55mHawaiian Airlines
Tue 17/608:59DCA - LAS
1 stop8h 10mHawaiian Airlines
Deal found 29/4£191
Tue 20/500:54LAS - IAD
1 stop7h 22mDelta
Wed 28/515:37IAD - LAS
1 stop7h 28mDelta
Deal found 30/4£192
Mon 26/506:00LAS - IAD
1 stop7h 21mUnited Airlines
Fri 30/508:40IAD - LAS
Nonstop4h 50mUnited Airlines
Deal found 29/4£203
Tue 17/610:10LAS - DCA
1 stop9h 49mJetBlue
Fri 20/613:45DCA - LAS
1 stop9h 27mJetBlue
Deal found 28/4£204
Thu 3/709:45LAS - DCA
1 stop6h 14mDelta
Mon 7/719:35DCA - LAS
1 stop7h 24mDelta
Deal found 29/4£207
Tue 13/506:00LAS - IAD
1 stop7h 00mHawaiian Airlines
Fri 16/517:14IAD - LAS
1 stop8h 16mHawaiian Airlines
Deal found 29/4£224
Sat 6/905:45LAS - IAD
1 stop7h 35mSouthwest
Wed 10/905:45IAD - LAS
2 stops12h 45mSouthwest
Deal found 28/4£239
Thu 3/710:43LAS - DCA
2 stops8h 59mUnited Airlines
Sun 6/706:25DCA - LAS
1 stop7h 30mUnited Airlines
Deal found 29/4£306

Cheapflights Fare Finder

Customise your flight search to find flights from Las Vegas to Washington, D.C. 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 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Las Vegas

Fly to

Washington, D.C.

Route

Depart

Return

Price

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 12/8

08:30-19:19

1 stop7h 49m

Washington, D.C. Dulles Intl

Fri 15/8

17:25-22:59

1 stop8h 34m

£161

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 29/5

10:10-21:05

1 stop7h 55m

Washington, D.C. Reagan-National

Sun 15/6

08:59-14:09

1 stop8h 10m

£183

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 22/7

23:20-10:20

1 stop8h 00m

Washington, D.C. Reagan-National

Tue 29/7

16:55-19:00

Nonstop5h 05m

£184

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 19/6

23:59-11:19

1 stop8h 20m

Washington, D.C. Dulles Intl

Mon 23/6

13:22-11:00

1 stop24h 38m

£190

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 10/6

10:10-21:05

1 stop7h 55m

Washington, D.C. Reagan-National

Tue 17/6

08:59-14:09

1 stop8h 10m

£191

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 20/5

00:54-11:16

1 stop7h 22m

Washington, D.C. Dulles Intl

Wed 28/5

15:37-20:05

1 stop7h 28m

£192

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Mon 26/5

06:00-16:21

1 stop7h 21m

Washington, D.C. Dulles Intl

Fri 30/5

08:40-10:30

Nonstop4h 50m

£203

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 17/6

10:10-22:59

1 stop9h 49m

Washington, D.C. Reagan-National

Fri 20/6

13:45-20:12

1 stop9h 27m

£204

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 3/7

09:45-18:59

1 stop6h 14m

Washington, D.C. Reagan-National

Mon 7/7

19:35-23:59

1 stop7h 24m

£207

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 13/5

06:00-16:00

1 stop7h 00m

Washington, D.C. Dulles Intl

Fri 16/5

17:14-22:30

1 stop8h 16m

£224

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 26 results
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Best time to book a flight from Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.
Estimated return 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.

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

Use this chart to determine the optimal time to book a return flight from Las Vegas to Washington, D.C.. Price data was last updated on 25 April 2025.

The price you pay for your flight from Las Vegas to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 44 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.?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £599). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of £947). 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 WAS?

Find hourly flight availability from Las Vegas to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

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

Weekly flight availability from Las Vegas to Washington, D.C.

Explore weekly flight availability from Las Vegas to Washington, D.C.. 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 30 April 2025.

The most flights from LAS to WAS are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 30 April 2025.

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

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 Las Vegas to Washington, D.C.. 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.?

    Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Washington, D.C. from Las Vegas. Booking flights from Harry Reid Intl (LAS) to Washington, D.C. should be relatively easy as there are 4 daily outbound flights to Washington, D.C. from 0 different airlines.

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

    According to our current data, Alaska Airlines (£161), Southwest (£184), and Hawaiian Airlines (£191) offers the cheapest pricing from Las Vegas to Washington, D.C.. Alaska Airlines is priced at 37% 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. one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at £73. JetBlue flights start at £81 while deals on United Airlines start at £84 one-way.

  • What are the most reliable airlines from Las Vegas to Washington, D.C.?

    Consider United Airlines (92%), Brussels Airlines (85%) or Austrian Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Washington, D.C..

  • What are the cheapest flights from Las Vegas to Washington, D.C.?

    Looking for the cheapest flight from Las Vegas to Washington, D.C.? While on average our users pay £157, our data indicates the cheapest price to be £127. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around £148.

  • Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Washington, D.C.?

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

  • Can I find deals for business class flights from Las Vegas to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. 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.?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £599). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of £947). 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

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