
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $238 (Frontier) |
One-way from | $113 (CheapOair) |
Popular in | December |
Cheapest in | August |
Average price | $481 |
Good round-trip deal | $431 or less |
Good one-way deal | $205 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Fri 2/6
5:20 pm-11:59 pm
1 stop9h 39m
Las Vegas Harry Reid Intl
Mon 2/9
11:39 pm-1:20 pm
1 stop10h 41m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Sat 1/24
5:09 pm-9:36 am
2 stops19h 27m
Las Vegas Harry Reid Intl
Tue 1/27
3:58 pm-4:01 pm
2 stops21h 03m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Fri 1/16
5:20 pm-11:59 pm
1 stop9h 39m
Las Vegas Harry Reid Intl
Mon 1/19
11:39 pm-1:20 pm
1 stop10h 41m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Sun 1/18
8:59 am-3:35 pm
1 stop9h 36m
Las Vegas Harry Reid Intl
Tue 1/27
5:42 pm-8:00 pm
2 stops23h 18m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Fri 3/20
3:55 pm-10:48 pm
1 stop9h 53m
Las Vegas Harry Reid Intl
Mon 3/23
10:00 pm-9:56 am
1 stop8h 56m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Mon 2/2
5:01 pm-1:24 pm
1 stop23h 23m
Las Vegas Harry Reid Intl
Wed 2/4
3:58 pm-4:01 pm
2 stops21h 03m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Mon 2/9
9:59 am-11:12 pm
2 stops16h 13m
Las Vegas Harry Reid Intl
Thu 2/12
8:20 am-9:02 pm
1 stop9h 42m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Wed 2/11
8:59 am-4:34 pm
1 stop10h 35m
Las Vegas Harry Reid Intl
Sun 2/15
6:00 am-9:59 pm
1 stop12h 59m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Sat 2/7
6:05 am-2:10 pm
2 stops11h 05m
Las Vegas Harry Reid Intl
Fri 2/13
12:25 pm-10:30 pm
1 stop7h 05m
Washington, D.C.Las Vegas
DCA - LAS
DCALAS
Washington, D.C. Reagan-National
Wed 1/14
6:10 am-12:35 pm
1 stop9h 25m
Las Vegas Harry Reid Intl
Wed 1/21
9:05 am-4:35 pm
Nonstop4h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Washington, D.C. Reagan-National Airport to Las Vegas is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $138). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in December is currently the most expensive (average of $239). 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. Reagan-National Airport to Las Vegas at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Las Vegas flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
About 23% of weekly flights between Washington, D.C. and Las Vegas have experienced delays in the past year, with the average delay time being 145 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 Thursday 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 8% of flights being delayed.
Denver (DEN) – chosen by Cheapflights users on 76% of 1-stop itineraries from Washington, D.C. Reagan-National Airport to Las Vegas on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $254.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 34m.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 59m.
Overall
Food
Crew
Entertainment
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Food
Crew
Entertainment
Comfort
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Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Food
Crew
Entertainment
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Food
Crew
Entertainment
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Food
Crew
Entertainment
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Food
Crew
Entertainment
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$236 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$132 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$239 | Average$464 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$386 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$333 | FlexibilityNo cancel fee | On-timeN/A |