Cancun to Buenos Aires CUN → AEP, EZE
Cancun International Airport (CUN) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)
The cheapest return found recently is $982 with LATAM Airlines Peru, 27 Dec – 10 Jan 2027, found yesterday. The cheapest one-way found recently is $394 with avianca airlines, 20 Feb 2027, found 2 days ago.
Return
The cheapest return fare on each of 5 departure dates is usually $982 to $1,021.
Cheapest return found recently
$982
27 Dec – 10 Jan 2027 · LATAM Airlines Peru
Cancun International Airport (CUN) → Jorge Newbery Airport (AEP)
Leaves 6:40 p.m. · Return leaves 6:35 p.m. · 37 h 15 min of travel, both ways together
out 1 stop, back 2 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$982 27 Dec – 10 Jan 2027found yesterdaySee prices for these dates
$575 2 Apr 2027 – 16 Apr 2027found 2 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $548 to $854.
At $982, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 1 Nov to 2 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 14-night return fares on 1 other departure date within 3 days of 27 Dec, and it is not cheaper.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Nov – 20 Nov | $1,021 | Copa Airlines | Cancun International Airport (CUN) → Jorge Newbery Airport (AEP) | out 2 stops, back 3 stops | found 3 days ago | See prices for these dates |
| 16 Dec – 31 Dec | $1,087 | Arajet | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 27 Dec – 10 Jan 2027 | $982 | LATAM Airlines Peru | Cancun International Airport (CUN) → Jorge Newbery Airport (AEP) | out 1 stop, back 2 stops | found yesterday | See prices for these dates |
| 28 Dec – 11 Jan 2027 | $1,009 | LATAM Airlines Peru | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 2 Apr 2027 – 16 Apr 2027 | $575 | Arajet | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
April 2027 is the cheapest month — from $575.
Airlines on the cheapest dates: Arajet, LATAM Airlines Peru, Copa Airlines.
One-way
The cheapest one-way fare on each of 6 departure dates is usually $366 to $419.
Cheapest one-way found recently
$394
20 Feb 2027 · avianca airlines
Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE)
Leaves 6:00 p.m. · 19 h 40 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$394 20 Feb 2027found 2 days agoOpen this trip
$355 2 Jan 2027found 4 days agoOpen this trip
What have prices looked like?
Over 21 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $298 to $438.
21 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 6 departure dates from 2 Jan 2027 to 21 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
Yes. Among one-way fares leaving within 3 days of 20 Feb 2027, 18 Feb 2027 costs $387: $7 less than the cheapest found recently.
avianca airlines · Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) · 1 stop · found 4 days ago
Every date we hold
6 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 2 Jan 2027 | $355 | Arajet | Cancun International Airport (CUN) → Jorge Newbery Airport (AEP) | 2 stops | found 4 days ago | Open this trip |
| 15 Jan 2027 | $427 | Arajet | Cancun International Airport (CUN) → Jorge Newbery Airport (AEP) | 2 stops | found 6 days ago | Open this trip |
| 30 Jan 2027 | $359 | Copa Airlines | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | 1 stop | found 6 days ago | Open this trip |
| 18 Feb 2027 | $387 | avianca airlines | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | 1 stop | found 4 days ago | Open this trip |
| 20 Feb 2027 | $394 | avianca airlines | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | 1 stop | found 2 days ago | Open this trip |
| 21 Feb 2027 | $451 | Arajet | Cancun International Airport (CUN) → Ministro Pistarini Airport (EZE) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $355.
Airlines on the cheapest dates: Arajet, avianca airlines, Copa Airlines.
Premium cabin fares from Cancun to Buenos Aires
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 27 Dec – 10 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 20 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Cancun to Buenos Aires?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 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.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $548 | $548 | Cheapest seen | 7 |
| 30–59 days | $878 | $778 | +60% | 14 |
| 60–89 days | $854 | $677 | +56% | 16 |
| 90–179 days | $631 | $571 | +15% | 21 |
One-way
Not enough history yet: in 21 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 27 Dec – 10 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work