At IAD, check-in can be crowded in the afternoon and evening. Arrive early to navigate the busy main terminal efficiently.
Round-trip from | $159 (United Airlines) |
---|---|
One-way from | $55 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $314 |
Good round-trip deal | $196 or less |
Good one-way deal | $100 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Sat 8/16
5:55 pm-7:59 pm
Nonstop5h 04m
Las Vegas Harry Reid Intl
Tue 8/19
10:45 pm-6:20 am
Nonstop4h 35m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Mon 9/8
4:55 pm-6:55 pm
Nonstop5h 00m
Las Vegas Harry Reid Intl
Sat 9/13
8:00 am-3:35 pm
Nonstop4h 35m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Sun 8/3
7:30 am-9:29 am
Nonstop4h 59m
Las Vegas Harry Reid Intl
Tue 8/5
11:00 pm-6:34 am
Nonstop4h 34m
BaltimoreLas Vegas
BWI - LAS
BWILAS
Baltimore/Washington
Sat 8/23
8:09 am-10:15 am
Nonstop5h 06m
Las Vegas Harry Reid Intl
Sun 8/24
12:58 am-10:59 pm
1 stop19h 01m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Tue 8/26
9:30 am-11:24 am
Nonstop4h 54m
Las Vegas Harry Reid Intl
Wed 8/27
11:44 am-7:30 pm
Nonstop4h 46m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Mon 9/8
9:59 am-4:34 pm
1 stop9h 35m
Las Vegas Harry Reid Intl
Fri 9/12
10:33 am-9:59 pm
1 stop8h 26m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Mon 8/25
9:59 am-4:34 pm
1 stop9h 35m
Las Vegas Harry Reid Intl
Fri 8/29
9:52 pm-5:59 pm
1 stop17h 07m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Sat 10/11
1:45 pm-6:24 pm
1 stop7h 39m
Las Vegas Harry Reid Intl
Fri 10/17
12:45 am-10:35 am
1 stop6h 50m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Fri 8/15
6:00 pm-11:34 pm
1 stop8h 34m
Las Vegas Harry Reid Intl
Wed 8/20
10:17 am-9:59 pm
1 stop8h 42m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Wed 8/13
7:00 am-11:02 am
1 stop7h 02m
Las Vegas Harry Reid Intl
Tue 8/19
12:59 am-12:11 pm
1 stop8h 12m
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 14% 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 Tuesday 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.
The most flights from WAS to LAS are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$117 | Average$271 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$118 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$243 | Average$336 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$256 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$256 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$256 | Average$487 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$257 | Average$315 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$289 | Average$510 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$290 | Average$372 | FlexibilityNo cancel fee | On-time83% |