Cheap flights from Lima to Buenos Aires
from 113 US$
From 300 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 113 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Lima to Buenos Aires, a about 3,145 km route (around 4h 26m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Aerolineas Argentinas, LATAM Chile, Avianca El Salvador operate this route.
The airports on this route
About 12 km from central Lima and ~18 km from Miraflores
Getting around: Direct buses, authorized taxis and apps
A new terminal opened in 2025; Lima traffic rules — allow 45–90 min to Miraflores.
About 30 km from central Buenos Aires
Getting around: Direct buses, remises, taxis and apps
The long-haul international gateway; allow 45–75 min to the center.
About 6 km from downtown, on the riverfront
Getting around: Taxis, apps, city buses and remises
Domestic and regional, right in the city: usually the convenient one within the Southern Cone.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Lima to Buenos Aires?
It's usually 2026-09, from 113 USD. Use the price calendar to compare other dates.
How long is the flight from Lima to Buenos Aires?
A nonstop flight takes about 4h 26m and covers around 3,145 km. Connecting itineraries take longer.
Are there direct flights from Lima to Buenos Aires?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Lima to Buenos Aires?
Aerolineas Argentinas, LATAM Chile, Avianca El Salvador operate this route, among others. Compare them all in the results.
When should I book Lima–Buenos Aires flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Lima → Buenos Aires · Live fares from 100+ sites — free, with no hidden fees.