Cheap Flights from Washington D.C. to Las Vegas from $82

Frequently Asked Questions

• What are the cheapest flights from Washington D.C. to Las Vegas (WAS-LAS)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as $82 on Cheapest nonstop routes (e.g. IAD to LAS on Wed, Oct 7), while Frontier Airlines offers Cheapest nonstop round-trips from $87 departing on Wed, Oct 7 and returning on Sat, Oct 10.

• Which airlines offer direct flights from Washington D.C. to Las Vegas?

  At the moment, you can catch a nonstop flight from Washington D.C. to Las Vegas with the following airlines, including: Frontier Airlines United Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Washington D.C. (WAS) to Las Vegas (LAS) and what is the distance?

  It takes around 6 hours 2 minutes to fly from Washington D.C. (WAS) to Las Vegas (LAS).

• When is the best time to book flights from Washington D.C. to Las Vegas?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Las Vegas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Washington D.C. to Las Vegas?

  Based on Trip.com data in the past 4 weeks, there is 46 flight per week flying from Washington D.C. to Las Vegas. You can check the weekly schedule for popular airlines on this route below: Frontier Airlines: S/M/T/W/T/F/- -- F94277 (09:18) United Airlines: S/M/T/W/T/F/S -- UA1524 (08:44) American Airlines: S/M/-/-/-/F/S -- AA3058 (08:12)

• How can I find the best deals on flights from Washington D.C. to Las Vegas?

  To find best deals on flights from Washington D.C. to Las Vegas, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 7, with one-way flights priced at just $82.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Las Vegas travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Washington D.C. (WAS) to Las Vegas (LAS) the cheapest?

  The cheapest months to fly from Washington D.C. to Las Vegas is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Washington D.C. to Las Vegas on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Washington D.C. to Las Vegas on September 8, 2026 with Frontier Airlines, with prices starting at $47.

• Which airports can I fly into Las Vegas from Washington D.C.?

  You can arrive at any of the following airports in Las Vegas: Harry Reid International Airport (LAS), Boulder City Municipal Airport (BLD), Henderson Executive Airport (HSH), and Nellis Air Force Base (LSV). Flights from Dulles International Airport to Harry Reid International Airport (IAD-LAS) are by far the most popular option for this route.

• Is there any time difference between Washington D.C. and Las Vegas?

  The time difference between Las Vegas and Washington D.C. is 3h.

• How do I change or cancel my ticket from Washington D.C. to Las Vegas?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Washington D.C. to Las Vegas?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Las Vegas is $238. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Washington D.C. to Las Vegas?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Washington D.C. to Las Vegas is $390. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Washington D.C. to Las Vegas on Trip.com?

  Enter Washington D.C. and Las Vegas, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Washington D.C. to Las Vegas route?

  Frontier Airlinesare the most popular budget airlines flying from Washington D.C. to Las Vegas. Check baggage, seat and payment fees before comparing the final price.