Cheapest airlines flights from Cusco to Buenos Aires

You can choose from 3 airlines that fly from Cusco to Buenos Aires, including LATAM Airlines, JetSMART Airlines, and Sky Airline. JetSMART Airlines has lowest fares on this route.
LATAM Airlines logo LATAM Airlines
JetSMART Airlines logo JetSMART Airlines
Sky Airline logo Sky Airline
Airlines are determined based on actual purchased flight tickets from Cusco to Buenos Aires according to previous 12 months data from Trip.com.

Search cheap flights from Cusco to Buenos Aires in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$143, and round-trip tickets start at US$343.

Displayed flight fares from Cusco to Buenos Aires are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Cusco to Buenos Aires Flight Details

The distance between Cusco and Buenos Aires is about 2,708.13 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is December.

Cheapest one-way flight priceUS$143
Cheapest return ticket priceUS$343
Cheapest monthDecember
Peak season for travelJuly
Flight distance2,708.13 km
Popular airlineLATAM Airlines
Flight statistics for the Cusco–Buenos Aires route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Cusco to Buenos Aires

Which month has the cheapest one-way flights from Cusco to Buenos Aires?

Based on Trip.com’s data, the cheapest month for flights from Cusco to Buenos Aires is October, with an average price of US$240; while the month with the highest flight price is usually February, with an average price of up to US$558.

US$558
US$399
US$240
US$81
    Cheapest
  • US$263
    Apr
  • US$270
    May
  • US$283
    Jun
  • US$292
    Jul
  • US$326
    Aug
  • US$296
    Sep
  • US$240
    Oct
  • US$300
    Nov
  • US$249
    Dec
  • US$402
    Jan
  • US$558
    Feb
  • US$244
    Mar

What is the cheapest day of the week to fly from Cusco to Buenos Aires?

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Cusco to Buenos Aires is Tuesday, with average prices lower than on other days. Avoid Thursday, as prices are usually highest then.

US$346
US$308
US$269
US$231
  • US$289
    Mon
  • US$269
    Tue
  • US$344
    Wed
  • US$346
    Thu
  • US$323
    Fri
  • US$322
    Sat
  • US$269
    Sun

When is the cheapest day to fly from Cusco to Buenos Aires during International Workers' Day?

International Workers' Day is scheduled for May 1. The cheapest flights from Cusco to Buenos Aires are available on Apr 29, with fares starting at US$164.

US$257
US$211
US$164
US$118
    Cheapest
  • US$211
    27
    Apr
  • US$211
    28
  • US$164
    29
  • US$257
    30
  • US$171
    1
    May
  • US$187
    2
  • US$183
    3

Frequently Asked Questions

  • What are the cheapest flights from Cusco to Buenos Aires (CUZ-BUE)?

    Based on Trip.com data, JetSMART Airlines offers one-way fares as low as US$143 on Cheapest nonstop routes (e.g. CUZ to AEP on Sat, Apr 25), while JetSMART Airlines offers Cheapest nonstop round-trips from US$343 departing on Thu, Apr 16 and returning on Sun, Apr 19.
  • At the moment, you can catch a nonstop flight from Cusco to Buenos Aires with the following airlines, including: LATAM Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cusco to Buenos Aires 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.
  • To find best deals on flights from Cusco to Buenos Aires, 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, Apr 25, with one-way flights priced at just US$143.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is JetSMART 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 Buenos Aires travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cusco to Buenos Aires is December, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Cusco to Buenos Aires on April 16, 2026 with JetSMART, with prices starting at US$129.
  • You can land at any one of the following hubs in Buenos Aires, with Alejandro Velasco Astete International Airport to Jorge Newbery Airport (CUZ-AEP) is by far the most common option on this route: Jorge Newbery Airport (AEP) Ezeiza International Airport (EZE).
  • The time difference between Buenos Aires and Cusco is 2h.
  • 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.

Trip.com Airline Insights on Flights from Cusco to Buenos Aires

Which airline offers the cheapest direct flights from Cusco to Buenos Aires?

Based on Trip.com’s data from the past 12 months, JetSMART Airlines provides the lowest-priced direct flights from Cusco to Buenos Aires, with fares starting at US$228.

US$179
US$228
US$277
US$326
US$375
JetSMART Airlines
US$228
JetSMART Airlines
Sky Airline
US$280
Sky Airline
LATAM Airlines
US$349
LATAM Airlines
Aerolineas Argentinas
US$375
Aerolineas Argentinas

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.