Cheap flights from Basel to Buenos Aires from $1,229 BSL, MLH → AEP, EZE
EuroAirport Swiss (BSL), EuroAirport Basel-Mulhouse-Freiburg (MLH) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)
The cheapest return found recently is $1,229 with HOP!, 24 Nov – 2 Dec, found yesterday.
- Cheapest return found recently
- $1,229, 24 Nov to 2 Dec
- Usual return price
- $1,383 to $1,761
- Cheapest month to fly
- November 2026, return fares from $1,229 found in the last 7 days
Return
The cheapest return fare on each of 4 departure dates is usually $1,383 to $1,761.
Cheapest return found recently
$1,229
24 Nov – 2 Dec · HOP!
EuroAirport Swiss (BSL) → Ministro Pistarini Airport (EZE)
Leaves 10:45 a.m. · Return leaves 10:40 p.m. · 68 h 55 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,229 24 Nov – 2 Decfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 13 days, 21 Oct to 12 Nov, the cheapest return we saw each day was $1,229 to $1,434.
At $1,229, the cheapest return found recently is at the low end of that range.
13 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 4 departure dates from 24 Nov to 21 Jul 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 8-night return fares leaving within 3 days of 24 Nov to compare.
Every date we hold
7 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Nov – 2 Dec | $1,229 | HOP! | EuroAirport Swiss (BSL) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 22 Dec – 11 Jan 2027 | $2,391 | easyJet | EuroAirport Swiss (BSL) → Jorge Newbery Airport (AEP) | out 2 stops, back 3 stops | found 5 days ago | See prices for these dates |
| 20 Jul 2027 – 14 Aug 2027 | $1,434 | HOP! | EuroAirport Swiss (BSL) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 21 Jul 2027 – 13 Aug 2027 | $1,551 | British Airways | EuroAirport Swiss (BSL) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $1,229.
Airlines on the cheapest dates: HOP!, easyJet, British Airways.
Premium cabin fares from Basel 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 24 Nov – 2 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Basel to Buenos Aires?
Return
Not enough history yet: in 13 days of return prices, 21 Oct to 12 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Zurich → Buenos Aires
75 km from Basel
$1,224
$5 less than flying from Basel
25 Feb 2027 – 12 Mar 2027 · ZRH → EZE · out 2 stops, back 2 stops
found yesterday
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 24 Nov – 2 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 Basel to Buenos Aires?
The cheapest return found recently is $1,229 with HOP!, 24 Nov to 2 Dec, found yesterday. The cheapest return fare on each of 4 departure dates is usually $1,383 to $1,761.
What is the cheapest month to fly from Basel to Buenos Aires?
November 2026 is the cheapest month for a return, from $1,229, 24 Nov to 2 Dec, found yesterday.
Which airlines have the cheapest flights from Basel to Buenos Aires?
Between 24 Nov and 21 Jul 2027, HOP! has the cheapest return on 2 of the 4 departure dates we hold, easyJet 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