At IAD, check-in can be crowded in the afternoon and evening. Arrive early to navigate the busy main terminal efficiently.
Round-trip from | $155 (Cheapflightsfares) |
---|---|
One-way from | $75 (FlightHub) |
Popular in | December |
Cheapest in | May |
Average price | $356 |
Good round-trip deal | $197 or less |
Good one-way deal | $98 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
dom. 7/13
7:30 am-9:29 am
Nonstop4h 59m
Las Vegas Harry Reid Intl
jue. 7/17
11:00 pm-6:34 am
Nonstop4h 34m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
mié. 9/10
4:55 pm-6:55 pm
Nonstop5h 00m
Las Vegas Harry Reid Intl
vie. 9/12
9:20 am-4:55 pm
Nonstop4h 35m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
sáb. 7/12
10:10 pm-12:14 am
Nonstop5h 04m
Las Vegas Harry Reid Intl
sáb. 7/19
8:30 am-4:07 pm
Nonstop4h 37m
BaltimoreLas Vegas
BWI - LAS
BWILAS
Baltimore/Washington
mié. 7/9
6:30 am-12:49 pm
1 stop9h 19m
Las Vegas Harry Reid Intl
mié. 7/16
6:59 pm-5:33 am
1 stop7h 34m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
mar. 7/8
9:00 am-11:12 am
Nonstop5h 12m
Las Vegas Harry Reid Intl
jue. 7/10
12:02 pm-7:54 pm
Nonstop4h 52m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
mié. 7/23
7:30 am-9:29 am
Nonstop4h 59m
Las Vegas Harry Reid Intl
mié. 7/30
8:30 am-7:19 pm
1 stop7h 49m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
mar. 8/5
8:59 am-2:09 pm
1 stop8h 10m
Las Vegas Harry Reid Intl
jue. 8/7
10:17 am-8:59 pm
1 stop7h 42m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
lun. 8/11
5:25 pm-10:59 pm
1 stop8h 34m
Las Vegas Harry Reid Intl
mié. 8/13
8:30 am-7:19 pm
1 stop7h 49m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
mar. 8/5
8:59 am-2:09 pm
1 stop8h 10m
Las Vegas Harry Reid Intl
jue. 8/7
10:17 am-8:59 pm
1 stop7h 42m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
mar. 7/15
5:10 pm-10:39 pm
1 stop8h 29m
Las Vegas Harry Reid Intl
mié. 7/30
10:10 am-10:59 pm
1 stop9h 49m
Booking 28 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.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $198). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $269). 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 8% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Washington, D.C. to Las Vegas flight should consider departing on Saturday at noon 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.
The most flights from WAS to LAS are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.
If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
Food
Overall
Entertainment
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Entertainment
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Entertainment
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Entertainment
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Entertainment
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Entertainment
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$106 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$119 | Average$286 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$184 | Average$371 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$239 | Average$330 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$244 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$257 | Average$313 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$260 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$291 | Average$502 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$291 | Average$521 | FlexibilityNo cancel fee | On-time71% |