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Cheap flights from Las Vegas to Washington, D.C. from £98

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
5 mar. — 12 mar.1
1 adult
1 adult, Economy, 0 bags
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 Monday

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

Enter your travel dates to find the best prices.

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 3 febrero 2026.

mar. 24/223:59
LAS
-
DCA
1 stop10h 00m
JetBlue
dom. 1/307:00
DCA
-
LAS
1 stop9h 21m
JetBlue
Deal found 3/2£184
mar. 3/308:41
LAS
-
IAD
Nonstop4h 27m
United Airlines
sáb. 7/306:15
IAD
-
LAS
1 stop8h 33m
United Airlines
Deal found 31/1£185
mar. 12/508:10
LAS
-
IAD
Nonstop4h 39m
United Airlines
mar. 19/513:05
IAD
-
LAS
Nonstop5h 22m
United Airlines
Deal found 1/2£195
lun. 1/620:52
LAS
-
DCA
1 stop10h 46m
JetBlue
sáb. 6/612:25
DCA
-
LAS
1 stop10h 17m
JetBlue
Deal found 2/2£202
mié. 8/408:10
LAS
-
IAD
Nonstop4h 39m
United Airlines
mié. 22/413:10
IAD
-
LAS
1 stop8h 17m
United Airlines
Deal found 1/2£203
mar. 10/315:27
LAS
-
IAD
1 stop23h 00m
Alaska Airlines
mar. 17/307:05
IAD
-
LAS
2 stops18h 23m
Alaska Airlines
Deal found 2/2£205
mar. 10/311:46
LAS
-
IAD
1 stop8h 13m
Delta
mié. 8/407:18
IAD
-
LAS
1 stop9h 32m
Delta
Deal found 1/2£210
sáb. 21/208:45
LAS
-
DCA
1 stop6h 15m
Southwest
sáb. 28/216:00
DCA
-
LAS
Nonstop5h 25m
Southwest
Deal found 31/1£216
mar. 24/223:40
LAS
-
DCA
1 stop7h 40m
Southwest
sáb. 28/216:00
DCA
-
LAS
Nonstop5h 25m
Southwest
Deal found 31/1£218
mar. 24/213:10
LAS
-
IAD
1 stop7h 09m
United Airlines
sáb. 28/215:58
IAD
-
LAS
1 stop7h 33m
United Airlines
Deal found 31/1£219
mar. 3/323:45
LAS
-
DCA
1 stop7h 45m
Southwest
sáb. 7/318:50
DCA
-
LAS
Nonstop5h 35m
Southwest
Deal found 31/1£221
mié. 27/520:52
LAS
-
DCA
1 stop11h 45m
JetBlue
mar. 2/615:59
DCA
-
LAS
1 stop10h 53m
JetBlue
Deal found 3/2£222

Find 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 3 febrero 2026.

Round-trip from

£184

One-way from

£98

Popular in

November

Cheapest in

August

Average price

£285

Good round-trip deal

£330 or less

Good one-way deal

£83 or less
JetBlue
  • JetBlue
  • 24/2-1/3
  • 2 total stops
  • 19h 32m total
  • Las Vegas to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 3/3
  • Nonstop
  • 4h 25m total
  • Las Vegas to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).
Search Deals
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 3 febrero 2026.
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

mar. 24/2

23:59-11:05

1 stop8h 06m

Washington, D.C. Reagan-National

dom. 1/3

06:00-14:26

1 stop11h 26m

£184

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mar. 12/5

08:10-15:49

Nonstop4h 39m

Washington, D.C. Dulles Intl

mar. 19/5

13:05-15:27

Nonstop5h 22m

£195

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mié. 13/5

23:40-07:17

Nonstop4h 37m

Washington, D.C. Dulles Intl

mar. 19/5

13:05-15:27

Nonstop5h 22m

£195

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

lun. 1/6

20:52-10:38

1 stop10h 46m

Washington, D.C. Reagan-National

sáb. 6/6

12:25-19:42

1 stop10h 17m

£202

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mié. 8/4

08:10-15:49

Nonstop4h 39m

Washington, D.C. Dulles Intl

mié. 22/4

13:10-18:27

1 stop8h 17m

£203

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

lun. 4/5

00:36-11:28

1 stop7h 52m

Washington, D.C. Dulles Intl

mar. 5/5

17:15-21:59

1 stop7h 44m

£210

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

sáb. 21/2

08:45-18:00

1 stop6h 15m

Washington, D.C. Reagan-National

sáb. 28/2

16:00-18:25

Nonstop5h 25m

£216

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

sáb. 28/2

07:45-15:15

Nonstop4h 30m

Washington, D.C. Reagan-National

sáb. 7/3

12:00-17:35

1 stop8h 35m

£216

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

mar. 24/2

23:40-10:20

1 stop7h 40m

Washington, D.C. Reagan-National

sáb. 28/2

16:00-18:25

Nonstop5h 25m

£218

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mar. 24/2

13:10-23:19

1 stop7h 09m

Washington, D.C. Dulles Intl

sáb. 28/2

15:58-20:31

1 stop7h 33m

£219

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 37 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 30 January 2026.

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 £75). Flying from Las Vegas to Washington, D.C. in December is currently the most expensive (average of £117). 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 3 febrero 2026.

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 3 febrero 2026.

The most flights from LAS to WAS are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Las Vegas to Washington, D.C. delayed?

About 12% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for Las Vegas to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Las Vegas to Washington, D.C. flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 6 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, JetBlue can have you in Washington, D.C. from Las Vegas in 4h 43m. 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 (£324), 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 Brussels Airlines (95%), Austrian Airlines (94%) or United Airlines (91%) 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 £333, our data indicates the cheapest price to be £324. The most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National), is priced around £167.

  • 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 £75). Flying from Las Vegas to Washington, D.C. in December is currently the most expensive (average of £117). 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

Browse thousands of different options on Cheapflights for your next trip

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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 3 febrero 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£324Average£333FlexibilityNo 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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