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Cheap flights from Las Vegas to Washington, D.C. from £88

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in August or July, booked 44 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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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 14 October 2025.

Thu 27/1112:31LAS - IAD
Nonstop4h 30mUnited Airlines
Wed 3/1208:20IAD - LAS
Nonstop5h 13mUnited Airlines
Deal found 13/10£180
Thu 4/1206:00LAS - IAD
1 stop8h 30mAlaska Airlines
Sat 6/1217:37IAD - LAS
1 stop7h 50mAlaska Airlines
Deal found 13/10£194
Thu 27/1105:55LAS - DCA
1 stop6h 03mUnited Airlines
Sat 6/1212:40DCA - LAS
1 stop8h 20mUnited Airlines
Deal found 13/10£195
Fri 7/1118:10LAS - IAD
1 stop8h 06mUnited Airlines
Tue 11/1112:47IAD - LAS
Nonstop5h 23mUnited Airlines
Deal found 11/10£198
Thu 6/1113:20LAS - IAD
Nonstop4h 30mUnited Airlines
Mon 10/1119:41IAD - LAS
Nonstop5h 19mUnited Airlines
Deal found 13/10£202
Fri 7/1105:25LAS - IAD
1 stop8h 40mSouthwest
Tue 11/1117:45IAD - LAS
1 stop7h 05mSouthwest
Deal found 11/10£206
Sat 13/1223:53LAS - IAD
Nonstop4h 19mUnited Airlines
Thu 18/1220:25IAD - LAS
Nonstop5h 20mUnited Airlines
Deal found 12/10£210
Thu 27/1108:50LAS - DCA
Nonstop4h 25mSouthwest
Wed 3/1211:15DCA - LAS
1 stop7h 35mSouthwest
Deal found 13/10£215
Sat 15/1100:59LAS - DCA
1 stop7h 30mUnited Airlines
Sun 16/1117:07DCA - LAS
1 stop7h 42mUnited Airlines
Deal found 12/10£216
Fri 7/1122:25LAS - DCA
1 stop7h 34mDelta
Sun 9/1117:03DCA - LAS
1 stop9h 56mDelta
Deal found 13/10£217
Thu 6/1107:10LAS - IAD
1 stop9h 08mDelta
Sat 8/1115:33IAD - LAS
1 stop7h 17mDelta
Deal found 13/10£217
Wed 12/1110:21LAS - DCA
1 stop7h 44mAlaska Airlines
Tue 18/1108:00DCA - LAS
2 stops16h 31mAlaska Airlines
Deal found 14/10£218

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 14 October 2025.

Round-trip from

£180

One-way from

£88

Popular in

December

Cheapest in

August

Average price

£221

Good round-trip deal

£340 or less

Good one-way deal

£86 or less
United Airlines
  • United Airlines
  • 27/11-3/12
  • Nonstop
  • 9h 43m total
  • Las Vegas to Washington, D.C.
Search Deals
Frontier
  • Frontier
  • 12/1
  • 2 total stops
  • 24h 12m total
  • Las Vegas to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
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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 14 October 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

Fri 16/1

07:05-17:56

1 stop7h 51m

Washington, D.C. Reagan-National

Tue 20/1

08:59-14:11

1 stop8h 12m

£194

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 10/12

07:25-17:30

1 stop7h 05m

Washington, D.C. Dulles Intl

Sun 14/12

17:37-23:26

1 stop8h 49m

£194

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 12/12

07:25-17:30

1 stop7h 05m

Washington, D.C. Dulles Intl

Sun 14/12

17:37-23:26

1 stop8h 49m

£194

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 13/12

09:53-20:40

1 stop7h 47m

Washington, D.C. Reagan-National

Thu 18/12

06:00-11:10

1 stop8h 10m

£195

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 27/11

07:23-16:30

1 stop6h 07m

Washington, D.C. Dulles Intl

Sat 6/12

19:00-00:24

1 stop8h 24m

£195

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 27/11

07:15-18:34

1 stop8h 19m

Washington, D.C. Reagan-National

Wed 3/12

06:29-10:34

1 stop7h 05m

£195

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 2/12

12:30-23:40

1 stop8h 10m

Washington, D.C. Reagan-National

Thu 18/12

06:00-11:10

1 stop8h 10m

£195

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 27/11

07:25-19:08

1 stop8h 43m

Washington, D.C. Dulles Intl

Wed 3/12

06:03-10:34

1 stop7h 31m

£195

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 6/11

13:20-20:50

Nonstop4h 30m

Washington, D.C. Dulles Intl

Mon 10/11

19:41-22:00

Nonstop5h 19m

£202

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Tue 3/3

10:00-21:10

1 stop8h 10m

Washington, D.C. Reagan-National

Wed 4/3

09:30-15:46

1 stop9h 16m

£205

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 39 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 10 October 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 £77). Flying from Las Vegas to Washington, D.C. in January is currently the most expensive (average of £124). 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 14 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 33% on flights from Las Vegas to Washington, D.C. by exploring options for tickets in the morning.

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 14 October 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 (5 on average).

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 8 daily outbound flights to Washington, D.C. from 1 airline.

  • How long is the flight from Las Vegas to Washington, D.C.?

    For as low as £195, Alaska Airlines can have you in Washington, D.C. from Las Vegas in 6h 07m. Las Vegas and Washington, D.C. are separated by a distance of 2059 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Las Vegas to Washington, D.C. round-trip?

    According to our current data, United Airlines (£333), offers the cheapest pricing from Las Vegas to Washington, D.C..

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

    Consider Austrian Airlines (97%), Brussels Airlines (97%) or Ethiopian Air (97%) 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 £343, our data indicates the cheapest price to be £333. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around £291.

  • 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 £77). Flying from Las Vegas to Washington, D.C. in January is currently the most expensive (average of £124). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park
Tysons

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Las Vegas to Washington, D.C.

Discover the top airline that operate flights from Las Vegas to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£333Average£343FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Las Vegas to Washington, D.C.?

Deals for Las Vegas to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Washington, D.C.?

Millions of users choose and trust Cheapflights to book the best flight deals from Las Vegas to Washington, D.C. for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Las Vegas to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Las Vegas to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Las Vegas to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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