Find flights
Deals
When to book
FAQs

Cheap flights from Las Vegas to Washington, D.C. from £104

LAS — WAS
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

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.

Wed 2/1207:52 -
1 stop10h 08m
Wed 9/1218:59 -
1 stop16h 39m
Deal found 1/11£177
Wed 23/1207:00 -
1 stop11h 59m
Tue 5/117:05 -
1 stop19h 13m
Deal found 1/11£187
Tue 1/1214:55 -
1 stop23h 44m
Sat 5/1218:42 -
1 stop18h 00m
Deal found 1/11£192
Wed 2/1207:00 -
1 stop11h 59m
Mon 7/1217:20 -
1 stop19h 16m
Deal found 3/11£198
Wed 16/1210:03 -
1 stop9h 49m
Thu 31/1216:50 -
1 stop8h 57m
Deal found 30/10£202
Wed 23/1209:37 -
1 stop8h 41m
Tue 5/114:50 -
1 stop9h 15m
Deal found 30/10£205
Sat 5/1223:59 -
Nonstop4h 22m
Wed 9/1208:35 -
Nonstop5h 22m
Deal found 3/11£206
Thu 17/1209:37 -
1 stop8h 41m
Thu 31/1216:50 -
1 stop8h 57m
Deal found 30/10£212
Wed 2/1210:55 -
1 stop8h 25m
Wed 9/1217:35 -
Nonstop5h 25m
Deal found 1/11£214
Thu 26/1109:34 -
1 stop10h 18m
Tue 1/1215:35 -
1 stop8h 35m
Deal found 30/10£217
Tue 1/1207:50 -
Nonstop4h 28m
Tue 8/1219:30 -
Nonstop5h 18m
Deal found 3/11£217
Tue 22/1209:58 -
1 stop9h 19m
Tue 5/114:50 -
1 stop9h 15m
Deal found 30/10£220

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

Round-trip from

£177

One-way from

£104

Popular in

March

Cheapest in

August

Average price

£339
Alaska Airlines
  • Alaska Airlines
  • 20/1-27/1
  • 2 total stops
  • 43h 08m total
  • Las Vegas to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 8/12-31/12
  • Nonstop
  • 4h 28m total
  • Las Vegas to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - DCA Washington, D.C. Reagan-National

LASDCA

Las Vegas Harry Reid Intl

Wed 9/12

09:25-16:45

Nonstop4h 20m

Washington, D.C. Reagan-National

Wed 31/12

00:00-21:00

Nonstop0h 00m

£107

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Mon 14/12

23:59-07:21

Nonstop4h 22m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£114

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 1/12

23:59-07:21

Nonstop4h 22m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£114

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - DCA Washington, D.C. Reagan-National

LASDCA

Las Vegas Harry Reid Intl

Wed 24/2

10:45-23:00

2 stops9h 15m

Washington, D.C. Reagan-National

Wed 31/12

00:00-21:00

Nonstop0h 00m

£115

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - DCA Washington, D.C. Reagan-National

LASDCA

Las Vegas Harry Reid Intl

Sat 9/1

07:25-19:50

2 stops9h 25m

Washington, D.C. Reagan-National

Wed 31/12

00:00-21:00

Nonstop0h 00m

£115

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - DCA Washington, D.C. Reagan-National

LASDCA

Las Vegas Harry Reid Intl

Fri 8/1

10:50-18:15

Nonstop4h 25m

Washington, D.C. Reagan-National

Wed 31/12

00:00-21:00

Nonstop0h 00m

£119

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Tue 29/12

23:50-10:02

1 stop7h 12m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£122

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Wed 25/11

07:00-17:55

1 stop7h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£122

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Wed 30/12

18:45-05:19

1 stop7h 34m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£122

Las VegasWashington, D.C.

LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl

LASIAD

Las Vegas Harry Reid Intl

Fri 4/12

23:30-10:37

1 stop8h 07m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£126

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Washington, D.C.

What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £275). Flying from Las Vegas to Washington, D.C. in March is currently the most expensive (average of £384). 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?

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.

The most flights from LAS to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from Las Vegas to Washington, D.C.?

Airfare is below average for this route at the moment.
Las Vegas to Washington, D.C. flights typically cost between £221 and £413 in January.
The cheapest return price found within the last 5 days was £177 on Alaska Airlines (20 Jan–27 Jan).

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

About 14% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 141 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 Friday 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.

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

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 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

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

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

    For as low as £206, Alaska Airlines can have you in Washington, D.C. from Las Vegas in 4h 22m. 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 are the most reliable airlines from Las Vegas to Washington, D.C.?

    Consider ITA Airways (100%), Austrian Airlines (93%) or Brussels Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Washington, D.C..

  • 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, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £275). Flying from Las Vegas to Washington, D.C. in March is currently the most expensive (average of £384). 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
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.