- Cheapest fare
- $103
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 4h 20m
JetSmart · Sat, Nov 21
from $103
JetSmart and Sky Airline
3,140 km
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Cheapest month to fly from Lima to Buenos Aires
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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Getting around
About flights from Lima to Buenos Aires
Lima (LIM) and Buenos Aires (BUE) are about 3,140 km apart. Direct flights take around 4h 20m, and recent direct fares were with JetSmart and Sky Airline. Over the next few months, one-way fares start from $103, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Lima to Buenos Aires?
The cheapest one-way fare we've seen recently is $103 with JetSmart, departing Saturday, November 21, 2026. Over the coming months, the lowest fare in each month ranges from $103 to $392.
What is the cheapest month to fly from Lima to Buenos Aires?
November 2026 currently has the lowest fares, from $103 one way.
Are there direct flights from Lima to Buenos Aires?
Yes. Recent direct fares were with JetSmart and Sky Airline.
How long is the flight from Lima to Buenos Aires?
A direct flight takes about 4h 20m. Lima and Buenos Aires are around 3,140 km apart.
Which airlines fly from Lima to Buenos Aires?
Recent fares on this route were with JetSmart, Boliviana de Aviación and Sky Airline.