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Cheap flights from Las Vegas to Washington, D.C. from £74

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
21 Apr — 28 Apr1
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 16 April 2025.

Round-trip from

£149

One-way from

£74

Popular in

December

Cheapest in

August

Average price

£264

Good one-way deal

£129 or less
Alaska Airlines
  • Alaska Airlines
  • 3/6-10/6
  • 2 total stops
  • 16h 49m total
  • Las Vegas to Washington, D.C.
Alaska Airlines
  • Alaska Airlines
  • 16/7
  • 1 total stop
  • 7h 49m total
  • Las Vegas to Washington, D.C.
Highest demand for flights based on searches. 7% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£4 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 16 April 2025.

Tue 3/610:10LAS - DCA
1 stop7h 55mAlaska Airlines
Tue 10/609:59DCA - LAS
1 stop8h 54mAlaska Airlines
Deal found 14/4£149
Tue 29/410:08LAS - IAD
1 stop10h 50mAlaska Airlines
Wed 7/517:00IAD - LAS
1 stop8h 24mAlaska Airlines
Deal found 15/4£166
Mon 12/507:00LAS - IAD
Nonstop4h 33mUnited Airlines
Fri 16/515:55IAD - LAS
Nonstop5h 17mUnited Airlines
Deal found 15/4£167
Tue 6/517:34LAS - IAD
1 stop11h 09mHawaiian Airlines
Tue 13/506:30IAD - LAS
1 stop9h 27mHawaiian Airlines
Deal found 15/4£182
Mon 2/600:55LAS - DCA
1 stop7h 05mDelta
Tue 10/609:39DCA - LAS
1 stop6h 50mDelta
Deal found 14/4£194
Tue 6/512:00LAS - IAD
1 stop8h 07mDelta
Thu 8/506:25IAD - LAS
1 stop7h 20mDelta
Deal found 15/4£194
Wed 7/508:25LAS - DCA
Nonstop4h 30mSouthwest
Sun 11/518:55DCA - LAS
1 stop7h 15mSouthwest
Deal found 15/4£198
Tue 29/408:50LAS - IAD
2 stops10h 45mSouthwest
Tue 6/517:30IAD - LAS
1 stop8h 40mSouthwest
Deal found 15/4£235
Tue 10/610:10LAS - DCA
1 stop7h 55mHawaiian Airlines
Wed 18/608:59DCA - LAS
1 stop8h 10mHawaiian Airlines
Deal found 15/4£307
Wed 15/1000:59LAS - DCA
1 stop7h 37mUnited Airlines
Tue 21/1016:07DCA - LAS
1 stop7h 30mUnited Airlines
Deal found 15/4£309

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 16 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 - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 3/6

10:10-21:05

1 stop7h 55m

Washington, D.C. Reagan-National

Tue 10/6

09:59-15:53

1 stop8h 54m

£149

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 29/4

19:14-07:43

1 stop9h 29m

Washington, D.C. Dulles Intl

Tue 6/5

07:00-14:59

1 stop10h 59m

£166

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Mon 12/5

07:00-14:33

Nonstop4h 33m

Washington, D.C. Dulles Intl

Fri 16/5

15:55-18:12

Nonstop5h 17m

£167

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 6/5

17:34-07:43

1 stop11h 09m

Washington, D.C. Dulles Intl

Tue 13/5

06:30-12:57

1 stop9h 27m

£182

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 2/6

00:55-11:00

1 stop7h 05m

Washington, D.C. Reagan-National

Tue 10/6

09:39-13:29

1 stop6h 50m

£194

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 6/5

12:00-23:07

1 stop8h 07m

Washington, D.C. Dulles Intl

Thu 8/5

06:25-10:45

1 stop7h 20m

£194

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 7/5

08:25-15:55

Nonstop4h 30m

Washington, D.C. Reagan-National

Sun 11/5

18:55-23:10

1 stop7h 15m

£198

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Tue 29/4

08:50-22:35

2 stops10h 45m

Washington, D.C. Dulles Intl

Tue 6/5

17:30-23:10

1 stop8h 40m

£235

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

Wed 18/6

08:59-14:09

1 stop8h 10m

£307

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 30/5

00:46-10:56

1 stop7h 10m

Washington, D.C. Reagan-National

Sat 7/6

15:59-00:45

2 stops11h 46m

£336

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 22 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 11 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, February is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £565). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of £946). 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 16 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 16 April 2025.

The most flights from LAS to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 16 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Las Vegas to Washington, D.C. 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.

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very Good

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 9 daily outbound flights to Washington, D.C. from 0 different airlines.

  • How popular is this Las Vegas to Washington, D.C. flight route?

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

    According to our current data, Alaska Airlines (£149), United Airlines (£167), and Hawaiian Airlines (£182) offers the cheapest pricing from Las Vegas to Washington, D.C.. Alaska Airlines is priced at 43% 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 £74. Southwest flights start at £82 while deals on United Airlines start at £82 one-way.

  • 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, February is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £565). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of £946). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Silver Spring
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