
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 (Kiwi.com) |
One-way from | $94 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $389 |
Good round-trip deal | $380 or less |
Good one-way deal | $239 or less |
Fly from
Fly to
Route
Depart
Return
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Wed 8/12
7:59 am-6:45 pm
1 stop7h 46m
Washington, D.C. Dulles Intl
Sat 8/15
6:14 pm-10:29 am
1 stop19h 15m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Sat 8/1
6:00 am-9:12 pm
1 stop12h 12m
Washington, D.C. Dulles Intl
Sun 8/9
9:50 am-11:45 am
Nonstop4h 55m
Las VegasWashington, D.C.
LAS - DCA
LASDCA
Las Vegas Harry Reid Intl
Wed 7/1
11:27 am-10:59 pm
1 stop8h 32m
Washington, D.C. Reagan-National
Tue 7/7
5:00 pm-10:20 pm
1 stop8h 20m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Fri 8/7
11:50 pm-4:34 pm
1 stop13h 44m
Washington, D.C. Dulles Intl
Sun 8/9
6:46 pm-11:47 pm
1 stop8h 01m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Wed 8/5
9:48 pm-6:01 pm
2 stops17h 13m
Washington, D.C. Dulles Intl
Sun 8/9
6:46 pm-11:47 pm
1 stop8h 01m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Tue 9/29
10:50 am-9:11 pm
1 stop7h 21m
Washington, D.C. Dulles Intl
Sat 10/3
9:00 am-11:03 am
Nonstop5h 03m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Tue 8/4
6:50 am-10:53 pm
2 stops13h 03m
Washington, D.C. Dulles Intl
Sun 8/9
6:46 pm-11:47 pm
1 stop8h 01m
Las VegasBaltimore
LAS - BWI
LASBWI
Las Vegas Harry Reid Intl
Wed 7/1
7:55 am-5:50 pm
1 stop6h 55m
Baltimore/Washington
Tue 7/7
10:35 am-12:35 pm
Nonstop5h 00m
Las VegasWashington, D.C.
LAS - DCA
LASDCA
Las Vegas Harry Reid Intl
Mon 8/17
11:15 am-8:55 pm
1 stop6h 40m
Washington, D.C. Reagan-National
Thu 8/20
4:35 pm-6:35 pm
Nonstop5h 00m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Thu 6/25
8:05 pm-8:50 am
2 stops9h 45m
Washington, D.C. Dulles Intl
Tue 6/30
6:11 am-3:52 pm
1 stop12h 41m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Currently, October is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $58). Flying from Las Vegas to Washington, D.C. in June is currently the most expensive (average of $169). 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.
It’s optimal to fly from Las Vegas to Washington, D.C. in the afternoon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight at noon.
The most flights from LAS to WAS are scheduled on a Friday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Las Vegas to Washington, D.C. on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $155.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 8h 09m.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 57m.
About 13% of weekly flights between Las Vegas and Washington, D.C. have experienced delays in the past year, with the average delay time being 134 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, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
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 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Travelers seeking maximum savings on their Las Vegas to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Entertainment
Boarding
Overall
Food
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Entertainment
Boarding
Overall
Food
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Entertainment
Boarding
Overall
Food
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Entertainment
Boarding
Overall
Food
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Entertainment
Boarding
Overall
Food
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Entertainment
Boarding
Overall
Food
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$198 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$144 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$221 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$222 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$513 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$447 | FlexibilityNo cancel fee | On-time62% |