Cheap flights from Buenos Aires to Lisbon from $1,552 AEP, EZE → LIS
Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE) → Lisbon Portela Airport (LIS)
The cheapest return found recently is $1,552 with Aerolineas Argentinas, 29 Dec – 31 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $1,552, 29 Dec to 31 Jan 2027
- Usual return price
- $987 to $1,267
- Cheapest month to fly
- March 2027, return fares from $980 found in the last 7 days
Return
The cheapest return fare on each of 4 departure dates is usually $987 to $1,267.
Cheapest return found recently
$1,552
29 Dec – 31 Jan 2027 · Aerolineas Argentinas
Jorge Newbery Airport (AEP) → Lisbon Portela Airport (LIS)
Leaves 8:00 p.m. · Return leaves 8:50 a.m. · 95 h 15 min of travel, both ways together
out 3 stops, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,552 29 Dec – 31 Jan 2027found 2 days agoSee prices for these dates
$980 26 Mar 2027 – 5 Apr 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $889 to $1,324.
At $1,552, the cheapest return found recently is above that range.
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 4 departure dates from 29 Dec to 6 Sept 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 33-night return fares leaving within 3 days of 29 Dec to compare.
Every date we hold
53 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Dec – 31 Jan 2027 | $1,552 | Aerolineas Argentinas | Jorge Newbery Airport (AEP) → Lisbon Portela Airport (LIS) | out 3 stops, back 1 stop | found 2 days ago | See prices for these dates |
| 26 Mar 2027 – 5 Apr 2027 | $980 | LATAM Airlines Group | Jorge Newbery Airport (AEP) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 24 Apr 2027 – 10 May 2027 | $1,172 | British Airways | Ministro Pistarini Airport (EZE) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 6 Sept 2027 – 15 Sept 2027 | $989 | Gol Transportes Aéreos | Jorge Newbery Airport (AEP) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $980.
Airlines on the cheapest dates: Aerolineas Argentinas, LATAM Airlines Group, British Airways, Gol Transportes Aéreos.
Premium cabin fares from Buenos Aires to Lisbon
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 29 Dec – 31 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Buenos Aires to Lisbon?
Return
Fares 90 to 179 days before departure were typically 28% lower than 7 to 13 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.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $1,491 | $1,365 | +39% | 7 |
| 14–29 days | $1,139 | $905 | +6% | 18 |
| 30–59 days | $1,128 | $1,058 | +5% | 28 |
| 60–89 days | $1,081 | $1,024 | +1% | 24 |
| 90–179 days | $1,076 | $962 | Cheapest seen | 25 |
| 180+ days | $1,089 | $889 | +1% | 24 |
Live price for these dates
The cheapest return found recently is for 29 Dec – 31 Jan 2027. 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 Buenos Aires to Lisbon?
The cheapest return found recently is $1,552 with Aerolineas Argentinas, 29 Dec to 31 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $980 with LATAM Airlines Group, 26 Mar 2027 to 5 Apr 2027, found 4 days ago. The cheapest return fare on each of 4 departure dates is usually $987 to $1,267.
What is the cheapest month to fly from Buenos Aires to Lisbon?
March 2027 is the cheapest month for a return, from $980, 26 Mar 2027 to 5 Apr 2027, found 4 days ago.
How far ahead should I book a flight from Buenos Aires to Lisbon?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 28% lower than 7 to 13 days before departure.
Which airlines have the cheapest flights from Buenos Aires to Lisbon?
Between 29 Dec and 6 Sept 2027, Aerolineas Argentinas has the cheapest return on 1 of the 4 departure dates we hold, LATAM Airlines Group on 1 and British Airways 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