
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 |
One-way from | $91 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $296 |
Good round-trip deal | $371 or less |
Good one-way deal | $234 or less |
Fly from
Fly to
Route
Depart
Return
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Wed 7/22
6:19 pm-6:45 pm
1 stop21h 26m
Washington, D.C. Dulles Intl
Tue 7/28
7:53 pm-10:31 am
1 stop17h 38m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Tue 9/29
7:09 pm-6:14 pm
1 stop20h 05m
Washington, D.C. Dulles Intl
Sat 10/3
7:00 am-3:00 pm
1 stop11h 00m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Wed 7/22
8:48 am-4:24 pm
Nonstop4h 36m
Washington, D.C. Dulles Intl
Tue 7/28
1:00 pm-3:09 pm
Nonstop5h 09m
Las VegasBaltimore
LAS - BWI
LASBWI
Las Vegas Harry Reid Intl
Thu 5/28
2:20 pm-9:55 pm
Nonstop4h 35m
Baltimore/Washington
Sat 6/6
7:35 pm-9:45 pm
Nonstop5h 10m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Wed 5/27
11:07 am-5:42 pm
1 stop27h 35m
Washington, D.C. Dulles Intl
Tue 6/2
6:00 am-7:17 pm
2 stops16h 17m
Las VegasWashington, D.C.
LAS - DCA
LASDCA
Las Vegas Harry Reid Intl
Tue 6/23
6:50 am-6:55 pm
1 stop9h 05m
Washington, D.C. Reagan-National
Wed 9/30
4:40 pm-6:40 pm
Nonstop5h 00m
Las VegasBaltimore
LAS - BWI
LASBWI
Las Vegas Harry Reid Intl
Wed 7/22
3:30 pm-11:10 pm
Nonstop4h 40m
Baltimore/Washington
Tue 7/28
6:50 am-11:10 am
1 stop7h 20m
Las VegasBaltimore
LAS - BWI
LASBWI
Las Vegas Harry Reid Intl
Wed 8/19
7:55 pm-6:30 am
1 stop7h 35m
Baltimore/Washington
Mon 8/24
5:20 pm-7:25 pm
Nonstop5h 05m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Thu 9/24
1:38 pm-12:32 am
1 stop7h 54m
Washington, D.C. Dulles Intl
Mon 9/28
6:00 pm-8:07 pm
Nonstop5h 07m
Las VegasWashington, D.C.
LAS - DCA
LASDCA
Las Vegas Harry Reid Intl
Tue 6/2
11:35 am-11:00 pm
2 stops8h 25m
Washington, D.C. Reagan-National
Wed 6/17
6:05 am-11:05 am
2 stops8h 00m
| 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 |
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 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 March is currently the most expensive (average of $144). 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 39% on the cost of your flight, compared to a flight at noon.
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.
The most flights from LAS to WAS are scheduled on a Friday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
Denver (DEN) – chosen by Cheapflights users on 80% 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 $229.
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.
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$93 | Average$437 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$197 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$138 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$221 | Average$431 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$252 | Average$503 | FlexibilityNo cancel fee | On-time63% |