Cheap flights from Posadas to Buenos Aires from $44 PSS → AEP
Posadas Airport (PSS) → Jorge Newbery Airport (AEP)
The cheapest return found recently is $203 with JetSmart, 7 Dec – 12 Dec, found today. The cheapest one-way found recently is $44 with Aerolineas Argentinas, 12 Feb 2027, found today.
- Cheapest one-way found recently
- $44, Aerolineas Argentinas, found today
- Cheapest return found recently
- $203, 7 Dec to 12 Dec
- Cheapest month to fly
- February 2027, one-way fares from $44 found in the last 7 days
- Airlines with nonstop flights
- JetSmart, Aerolineas Argentinas
- Shortest nonstop flight found
- 1 h 40 min
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$203
7 Dec – 12 Dec · JetSmart
Posadas Airport (PSS) → Jorge Newbery Airport (AEP)
Leaves 6:26 p.m. · Return leaves 5:00 p.m. · 3 h 15 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$203
7 Dec – 12 Dec · JetSmart
Posadas Airport (PSS) → Jorge Newbery Airport (AEP)
Leaves 6:26 p.m. · Return leaves 5:00 p.m. · 3 h 15 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$203 7 Dec – 12 Decfound todaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 31 days, 26 Sept to 10 Nov, the cheapest return we saw each day was $70 to $352.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 5-night return fares leaving within 3 days of 7 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 7 Dec – 12 Dec | $203 | JetSmart | Posadas Airport (PSS) → Jorge Newbery Airport (AEP) | out nonstop, back nonstop | found today | See prices for these dates |
Airlines on the cheapest dates: JetSmart.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $51 to $74.
Cheapest one-way found recently
$44
12 Feb 2027 · Aerolineas Argentinas
Posadas Airport (PSS) → Jorge Newbery Airport (AEP)
Leaves 2:10 p.m. · 1 h 40 min trip
nonstop
found today
Cheapest nonstop one-way
$44
12 Feb 2027 · Aerolineas Argentinas
Posadas Airport (PSS) → Jorge Newbery Airport (AEP)
Leaves 2:10 p.m. · 1 h 40 min trip
nonstop
found today
Found recently, and the cheapest we hold
$44 12 Feb 2027found todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $27 to $139.
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 3 departure dates from 11 Dec to 12 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?
No. We hold one-way fares on 1 other departure date within 3 days of 12 Feb 2027, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Dec | $58 | JetSmart | Posadas Airport (PSS) → Jorge Newbery Airport (AEP) | nonstop | found yesterday | Open this trip |
| 9 Feb 2027 | $89 | JetSmart | Posadas Airport (PSS) → Jorge Newbery Airport (AEP) | nonstop | found today | Open this trip |
| 12 Feb 2027 | $44 | Aerolineas Argentinas | Posadas Airport (PSS) → Jorge Newbery Airport (AEP) | nonstop | found today | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $44.
Airlines on the cheapest dates: JetSmart, Aerolineas Argentinas.
Premium cabin fares from Posadas 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 7 Dec – 12 Dec in another cabin: Premium economy · Business · First
Today's prices for 12 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Posadas to Buenos Aires?
Return
Fares 30 to 59 days before departure were typically 77% lower than 0 to 6 days before departure.
From the cheapest return each day between 26 Sept and 10 Nov (31 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 |
|---|---|---|---|---|
| 0–6 days | $308 | $258 | +340% | 11 |
| 7–13 days | $174 | $110 | +149% | 8 |
| 14–29 days | $208 | $110 | +197% | 14 |
| 30–59 days | $70 | $70 | Cheapest seen | 9 |
One-way
Fares 30 to 59 days before departure were typically 77% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (50 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 |
|---|---|---|---|---|
| 0–6 days | $123 | $50 | +339% | 44 |
| 7–13 days | $101 | $30 | +261% | 43 |
| 14–29 days | $52 | $34 | +84% | 20 |
| 30–59 days | $28 | $27 | Cheapest seen | 17 |
Live price for these dates
The cheapest return found recently is for 7 Dec – 12 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Posadas to Buenos Aires?
The cheapest return found recently is $203 with JetSmart, 7 Dec to 12 Dec, found today.
How much is a one-way flight from Posadas to Buenos Aires?
The cheapest one-way found recently is $44 with Aerolineas Argentinas, 12 Feb 2027, found today. The cheapest one-way fare on each of 3 departure dates is usually $51 to $74.
What is the cheapest month to fly from Posadas to Buenos Aires?
February 2027 is the cheapest month for a one-way, from $44, 12 Feb 2027, found today.
How far ahead should I book a flight from Posadas to Buenos Aires?
In 31 days of prices between 26 Sept and 10 Nov, return fares 30 to 59 days before departure were typically 77% lower than 0 to 6 days before departure. In 50 days of prices between 24 Sept and 12 Nov, one-way fares 30 to 59 days before departure were typically 77% lower than 0 to 6 days before departure.
Is there a direct flight from Posadas to Buenos Aires?
Yes, the cheapest nonstop return found recently is $203 with JetSmart, 7 Dec to 12 Dec, found today. The cheapest nonstop one-way found recently is $44 with Aerolineas Argentinas, 12 Feb 2027, found today.
How long is the flight from Posadas to Buenos Aires?
The cheapest nonstop one-way found recently, with Aerolineas Argentinas on 12 Feb 2027, takes 1 h 40 min from Posadas Airport (PSS) to Jorge Newbery Airport (AEP).
Which airlines have the cheapest flights from Posadas to Buenos Aires?
Between 11 Dec and 12 Feb 2027, JetSmart has the cheapest one-way on 2 of the 3 departure dates we hold, and Aerolineas Argentinas on 1.
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