Cheap Flights from Washington D.C. to Cusco from $482

Frequently Asked Questions

• What are the cheapest flights from Washington D.C. to Cusco (WAS-CUZ)?

  Based on Trip.com data, avianca offers one-way fares as low as $482 on Cheapest nonstop routes (e.g. IAD to CUZ on Fri, Oct 30), while avianca offers Cheapest nonstop round-trips from $624 departing on Thu, Oct 22 and returning on Mon, Oct 26.

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

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

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

  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 Cusco 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 can I find the best deals on flights from Washington D.C. to Cusco?

  To find best deals on flights from Washington D.C. to Cusco, 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 Fri, Oct 30, with one-way flights priced at just $482.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is avianca.
  · 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 Cusco travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Washington D.C. (WAS) to Cusco (CUZ) the cheapest?

  The cheapest months to fly from Washington D.C. to Cusco is September, when demand for travel is lower.

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

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Washington D.C. to Cusco on October 22, 2026 with avianca, with prices starting at $650.

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

  You can arrive at any of the following airports in Cusco: Alejandro Velasco Astete International Airport (CUZ). Flights from Dulles International Airport to Alejandro Velasco Astete International Airport (IAD-CUZ) are by far the most popular option for this route.

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

  The time difference between Cusco and Washington D.C. is 0m.

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

  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 Cusco?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Cusco is $627. Fares vary by travel date, airline and availability.

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

  Enter Washington D.C. and Cusco, 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.