Los Angeles to Buenos Aires LAX, SNA → AEP, EZE
Los Angeles International Airport (LAX), John Wayne Airport - Santa Ana (SNA) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)
The cheapest return found recently is $785 with LATAM Airlines Group, 1 Apr 2027 – 21 Apr 2027, found today.
Return
The cheapest return fare on each of 3 departure dates is usually $874 to $1,221.
Cheapest return found recently
$785
1 Apr 2027 – 21 Apr 2027 · LATAM Airlines Group
Los Angeles International Airport (LAX) → Jorge Newbery Airport (AEP)
Leaves 11:35 a.m. · Return leaves 7:20 a.m. · 31 h 45 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$785 1 Apr 2027 – 21 Apr 2027found todaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $709 to $962.
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 3 departure dates from 24 Dec to 1 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?
We hold no other 20-night return fares leaving within 3 days of 1 Apr 2027 to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Dec – 5 Jan 2027 | $1,480 | Frontier Airlines | Los Angeles International Airport (LAX) → Ministro Pistarini Airport (EZE) | out 3 stops, back 3 stops | found 4 days ago | See prices for these dates |
| 8 Feb 2027 – 14 Feb 2027 | $962 | LATAM Airlines Group | Los Angeles International Airport (LAX) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 1 Apr 2027 – 21 Apr 2027 | $785 | LATAM Airlines Group | Los Angeles International Airport (LAX) → Jorge Newbery Airport (AEP) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
April 2027 is the cheapest month — from $785.
Airlines on the cheapest dates: LATAM Airlines Group, Frontier Airlines.
Premium cabin fares from Los Angeles 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 1 Apr 2027 – 21 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Los Angeles to Buenos Aires?
Return
Fares 90 to 179 days before departure were typically 12% lower than 14 to 29 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 |
|---|---|---|---|---|
| 14–29 days | $925 | $919 | +13% | 13 |
| 30–59 days | $917 | $709 | +12% | 17 |
| 60–89 days | $1,694 | $875 | +107% | 24 |
| 90–179 days | $817 | $803 | Cheapest seen | 11 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Ontario → Buenos Aires
56 km from Los Angeles
$1,513
$728 more than flying from Los Angeles
8 Feb 2027 – 14 Feb 2027 · ONT → EZE · out 2 stops, back 1 stop
found 4 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 1 Apr 2027 – 21 Apr 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