
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (Kiwi.com) |
One-way from | $124 (Priceline) |
Popular in | March |
Cheapest in | August |
Average price | $481 |
Good round-trip deal | $303 or less |
Good one-way deal | $151 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Tue 6/16
8:10 pm-10:19 pm
Nonstop5h 09m
Las Vegas Harry Reid Intl
Tue 6/23
8:48 am-4:24 pm
Nonstop4h 36m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Tue 6/16
12:29 pm-7:49 pm
1 stop10h 20m
Las Vegas Harry Reid Intl
Wed 6/24
10:00 pm-9:21 am
1 stop8h 21m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Wed 8/12
8:28 am-12:10 pm
1 stop6h 42m
Las Vegas Harry Reid Intl
Wed 8/19
2:02 pm-11:21 pm
1 stop6h 19m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Mon 8/10
6:55 am-1:25 pm
2 stops9h 30m
Las Vegas Harry Reid Intl
Sat 8/15
6:30 am-6:00 pm
1 stop8h 30m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Wed 6/17
4:00 pm-8:25 pm
1 stop7h 25m
Las Vegas Harry Reid Intl
Wed 6/24
6:50 am-4:10 pm
1 stop6h 20m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Sat 8/8
6:10 am-1:30 pm
2 stops10h 20m
Las Vegas Harry Reid Intl
Sat 8/15
11:30 pm-8:35 am
1 stop6h 05m
BaltimoreLas Vegas
BWI - LAS
BWILAS
Baltimore/Washington
Fri 7/10
7:30 pm-9:40 pm
Nonstop5h 10m
Las Vegas Harry Reid Intl
Tue 7/14
1:20 pm-9:05 pm
Nonstop4h 45m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Sun 7/19
8:10 pm-10:19 pm
Nonstop5h 09m
Las Vegas Harry Reid Intl
Wed 7/22
1:23 pm-9:06 pm
Nonstop4h 43m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Wed 8/19
3:00 pm-6:35 pm
1 stop6h 35m
Las Vegas Harry Reid Intl
Fri 8/21
9:00 am-4:40 pm
Nonstop4h 40m
BaltimoreLas Vegas
BWI - LAS
BWILAS
Baltimore/Washington
Tue 8/18
5:55 pm-8:00 pm
Nonstop5h 05m
Las Vegas Harry Reid Intl
Sat 8/22
6:35 am-2:05 pm
Nonstop4h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $219). Flying from Washington, D.C. to Las Vegas in April is currently the most expensive (average of $596). 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.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Las Vegas in the morning. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.
The most flights from WAS to LAS are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Denver (DEN) – chosen by Cheapflights users on 59% of 1-stop itineraries from Washington, D.C. to Las Vegas on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $150.
Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 7h 24m.
Flights via Boston (BOS) offer the fastest connection on this route, with an average layover time of 1h 17m.
About 18% of weekly flights between Washington, D.C. and Las Vegas have experienced delays in the past year, with the average delay time being 161 minutes.
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.
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.
Over the last year, American Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.
Booking 12 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Travelers seeking maximum savings on their Washington, D.C. to Las Vegas flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Food
Entertainment
Comfort
Boarding
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Food
Entertainment
Comfort
Boarding
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Food
Entertainment
Comfort
Boarding
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Food
Entertainment
Comfort
Boarding
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Food
Entertainment
Comfort
Boarding
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Overall
Food
Entertainment
Comfort
Boarding
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$191 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$120 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$315 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$168 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$510 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$188 | Average$339 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$226 | Average$489 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$509 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$265 | Average$426 | FlexibilityNo cancel fee | On-time62% |