Cheap flights from Lima to Buenos Aires from $153 LIM → AEP, EZE

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $271 to $397.

At $414, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 11-night return fares leaving within 3 days of 8 Jan 2027 to compare.

Every date we hold

136 fares on 9 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $319.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $103 to $146.

At $153, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 11 Dec to compare.

Every date we hold

11 fares on 10 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $107.

Return

Fares 30 to 59 days before departure were typically 35% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 30 to 59 days before departure were typically 20% lower than 7 to 13 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Lima to Buenos Aires?

The cheapest return found recently is $414 with JetSmart, 8 Jan 2027 to 19 Jan 2027, found 3 days ago. The cheapest return we hold, of any age, is $319 with JetSmart, 8 Jan 2027 to 19 Jan 2027, found 6 days ago. The cheapest return fare on each of 9 departure dates is usually $373 to $461.

How much is a one-way flight from Lima to Buenos Aires?

The cheapest one-way found recently is $153 with JetSmart, 11 Dec, found 2 days ago. The cheapest one-way we hold, of any age, is $107 with JetSmart, 16 Dec, found 4 days ago. The cheapest one-way fare on each of 10 departure dates is usually $112 to $153.

What is the cheapest month to fly from Lima to Buenos Aires?

January 2027 is the cheapest month for a return, from $319, 8 Jan 2027 to 19 Jan 2027, found 6 days ago. December 2026 is the cheapest month for a one-way, from $107, 16 Dec, found 4 days ago.

How far ahead should I book a flight from Lima to Buenos Aires?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 35% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 20% lower than 7 to 13 days before departure.

Is there a direct flight from Lima to Buenos Aires?

Yes, the cheapest nonstop return found recently is $414 with JetSmart, 8 Jan 2027 to 19 Jan 2027, found 3 days ago. The cheapest nonstop one-way found recently is $153 with JetSmart, 11 Dec, found 2 days ago.

How long is the flight from Lima to Buenos Aires?

The cheapest nonstop one-way found recently, with JetSmart on 11 Dec, takes 4 h 25 min from Jorge Chavez International Airport (LIM) to Ministro Pistarini Airport (EZE).

Which airlines have the cheapest flights from Lima to Buenos Aires?

Between 19 Nov and 17 Jan 2027, JetSmart has the cheapest return on 5 of the 9 departure dates we hold, Sky Airline on 3 and LATAM Airlines Group on 1. Between 7 Dec and 24 Oct 2027, JetSmart has the cheapest one-way on 7 of the 10 departure dates we hold, Sky Airline on 2 and avianca airlines on 1.