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Fly from
Fly to
Route
Depart
Return
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Tue 27/10
12:56-15:17
Nonstop5h 21m
Las Vegas Harry Reid Intl
Fri 30/10
23:45-07:07
Nonstop4h 22m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Thu 7/1
07:15-12:08
1 stop7h 53m
Las Vegas Harry Reid Intl
Sat 9/1
22:25-10:13
1 stop8h 48m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Thu 29/10
06:10-10:41
1 stop7h 31m
Las Vegas Harry Reid Intl
Thu 5/11
23:45-07:07
Nonstop4h 22m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Sun 6/12
19:30-21:48
Nonstop5h 18m
Las Vegas Harry Reid Intl
Sat 12/12
07:50-15:18
Nonstop4h 28m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Tue 27/10
09:00-11:22
Nonstop5h 22m
Las Vegas Harry Reid Intl
Fri 30/10
13:57-00:40
1 stop7h 43m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Sat 7/11
12:56-15:17
Nonstop5h 21m
Las Vegas Harry Reid Intl
Tue 10/11
07:40-15:08
Nonstop4h 28m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Wed 27/1
18:53-23:44
1 stop7h 51m
Las Vegas Harry Reid Intl
Fri 29/1
06:00-17:50
1 stop8h 50m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Wed 4/11
09:00-11:22
Nonstop5h 22m
Las Vegas Harry Reid Intl
Wed 11/11
23:45-07:07
Nonstop4h 22m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Sun 6/12
19:30-21:48
Nonstop5h 18m
Las Vegas Harry Reid Intl
Wed 9/12
13:20-00:39
1 stop8h 19m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Thu 5/11
18:32-00:37
1 stop9h 05m
Las Vegas Harry Reid Intl
Mon 9/11
23:42-11:52
1 stop9h 10m
See travel insights to Las Vegas from
How to get the cheapest flight ticket from Washington, D.C. to Las Vegas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Washington, D.C. and Las Vegas?
Prices are currently low for flights on this route.
Typical prices usually range from $527 to $931.The lowest price recently found on this route was $383.
What is the cheapest month to fly to Las Vegas?
The cheapest month to fly to Las Vegas from Washington, D.C. is in August. Flight prices, which tend to average around $487, are often lower during this time because this is during the off-season. If you aren’t able to travel to Las Vegas during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $655.
What is the cheapest Washington, D.C. to Las Vegas Harry Reid Intl flight route?
Fly from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl for the best Washington, D.C. - Las Vegas Harry Reid Intl flight prices
How far in advance should I book a flight from Washington, D.C. to Las Vegas?
You are more likely to see cheaper flights to Las Vegas from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $723 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Washington, D.C. for as low as $593 on momondo.
What cabin class options are available on Washington, D.C. to Las Vegas flights?
There is only 1 cabin class available to choose from on Washington, D.C. to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Washington, D.C. to Las Vegas flights?
You could potentially save up to 38% on your flight if you consider stops on a Washington, D.C. to Las Vegas flight.
How have Washington, D.C. to Las Vegas flight prices changed over time?
As of October 2026, prices for Washington, D.C. to Las Vegas flights are approximately 17% more expensive when compared to flights at the same time last year.
How often are flights from Washington, D.C. to Las Vegas delayed?
Historically, on average around 18% of flights between Washington, D.C. and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 184 minutes.
What is the most punctual flight time for Washington, D.C. to Las Vegas flights?
Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Washington, D.C. to Las Vegas flights?
According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.
How many flights depart from Washington, D.C. to Las Vegas on average per day?
7 flights are operational daily from Washington, D.C. to Las Vegas as of October 2026. The most popular departure time for this route is 18:00, with 43% of flights per day taking off at midday.
How many flights depart from Washington, D.C. to Las Vegas on average per week?
54 flights are operational weekly from Washington, D.C. to Las Vegas as of October 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.
When to book flights from Washington, D.C. to Las Vegas
Cheap Washington, D.C. to Las Vegas (WAS to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Las Vegas
Frequently asked questions about flying from Washington, D.C. to Las Vegas
How far is Washington, D.C. to Las Vegas Harry Reid Intl by plane?
Las Vegas Harry Reid Intl is 3346.4 km away from Washington, D.C.. 5h 04m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Las Vegas Harry Reid Intl Airport?
Prices for flights from Washington, D.C. to Las Vegas Harry Reid Intl Airport were last updated today.
How old do you have to be to fly from Washington, D.C. to Las Vegas Harry Reid Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Las Vegas?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Las Vegas is Boeing 737 MAX 8, representing 19.02% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 18.57%, Boeing 737-900 at 13.16%, and Airbus A321neo at 9.20%.
Travelling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Las Vegas?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Las Vegas for you.
Can I find flights from Washington, D.C. to Las Vegas with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Las Vegas flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Las Vegas?
momondo helps you find the best flight between Washington, D.C. and Las Vegas by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Washington, D.C. to Las Vegas right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Las Vegas from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.