LATAM Airlines GroupDepart22:30
Thu, Apr 22AEP → SJO
10h 01m · 2 stops
$355one way, per person
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- Cheapest fare
- $355
- Cheapest month
- April
- Direct flights
- Not recently
- Quickest trip
- 8h 54m
LATAM Airlines Group · Thu, Apr 22
from $355
Usually 1+ stop
5,650 km
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Cheapest month to fly from Buenos Aires to San Jose
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in April 2027
The lowest fares we've seen for each day, cheapest first.
LATAM Airlines GroupPlan the rest of your trip to San Jose
Where to stay, what to do and getting around, from our travel partners.
About flights from Buenos Aires to San Jose
Buenos Aires (BUE) and San Jose (SJO) 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 54m. Over the next few months, one-way fares start from $355, and April 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 Buenos Aires to San Jose?
The cheapest one-way fare we've seen recently is $355 with LATAM Airlines Group, departing Thursday, April 22, 2027. Over the coming months, the lowest fare in each month ranges from $355 to $575.
What is the cheapest month to fly from Buenos Aires to San Jose?
April 2027 currently has the lowest fares, from $355 one way.
Are there direct flights from Buenos Aires to San Jose?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Buenos Aires to San Jose?
The quickest journey we've seen takes about 8h 54m. Buenos Aires and San Jose are around 5,650 km apart.
Which airlines fly from Buenos Aires to San Jose?
Recent fares on this route were with Copa Airlines, Sky Airline and LATAM Airlines Group.
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