LATAM Airlines GroupDepart13:40
Sat, Mar 13SJO → EZE
9h 20m · 2 stops
$310one way, per person
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- Cheapest fare
- $310
- Cheapest month
- March
- Direct flights
- Not recently
- Quickest trip
- 8h 43m
LATAM Airlines Group · Sat, Mar 13
from $310
Usually 1+ stop
5,650 km
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Cheapest month to fly from San Jose to Buenos Aires
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in March 2027
The lowest fares we've seen for each day, cheapest first.
LATAM Airlines GroupLATAM Airlines GroupDepart16:55
Sun, Mar 7SJO → AEP
9h 25m · 2 stops
$320one way, per person
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Getting around
About flights from San Jose to Buenos Aires
San Jose (SJO) and Buenos Aires (BUE) are about 5,650 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 8h 43m. Over the next few months, one-way fares start from $310, and March 2027 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from San Jose to Buenos Aires?
The cheapest one-way fare we've seen recently is $310 with LATAM Airlines Group, departing Saturday, March 13, 2027. Over the coming months, the lowest fare in each month ranges from $310 to $389.
What is the cheapest month to fly from San Jose to Buenos Aires?
March 2027 currently has the lowest fares, from $310 one way.
Are there direct flights from San Jose to Buenos Aires?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from San Jose to Buenos Aires?
The quickest journey we've seen takes about 8h 43m. San Jose and Buenos Aires are around 5,650 km apart.
Which airlines fly from San Jose to Buenos Aires?
Recent fares on this route were with Copa Airlines and LATAM Airlines Group.
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