Cheap Flights from Boston to Cusco from $659

Frequently Asked Questions

• What are the cheapest flights from Boston to Cusco (BOS-CUZ)?

  Based on Trip.com data, avianca offers one-way fares as low as $659 on Cheapest nonstop routes (e.g. BOS to CUZ on Sat, Sep 26), while LATAM Airlines offers Cheapest nonstop round-trips from $644 departing on Thu, Aug 27 and returning on Thu, Sep 3.

• Which airlines offer direct flights from Boston to Cusco?

  At the moment, you can catch a nonstop flight from Boston to Cusco with the following airlines, including: Delta Air Lines 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 Boston 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 Boston 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 Boston to Cusco?

  To find best deals on flights from Boston 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 Sat, Sep 26, with one-way flights priced at just $659.
  · 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 Boston (BOS) to Cusco (CUZ) the cheapest?

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

• Which upcoming date is cheapest to fly from Boston to Cusco on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Boston to Cusco on August 18, 2026 with avianca, with prices starting at $671.

• Which airports can I fly to for Cusco from Boston?

  You can land at any one of the following hubs in Cusco, with Boston Logan International Airport to Alejandro Velasco Astete International Airport (BOS-CUZ) is by far the most common option on this route: Alejandro Velasco Astete International Airport (CUZ).

• Is there any time difference between Boston and Cusco?

  The time difference between Cusco and Boston is 0m.

• How do I change or cancel my ticket from Boston 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 Boston to Cusco?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Boston to Cusco is $732. Fares vary by travel date, airline and availability.

• How do I book flights from Boston to Cusco on Trip.com?

  Enter Boston 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.