Cheap flights from Buenos Aires to San José (EZE–SJO)
Argentina
Costa Rica
Avianca Costa Rica flies Buenos Aires to San José (EZE–SJO) nonstop and back, a great-circle distance of 5,670 km (3,520 mi).
- From
- EZE
- Buenos Aires
- To
- SJO
- San José
- Nonstop
- Yes · 1 airline
- Airlines
- LR
- Cheapest fare found
- $327 one-way
- Distance
- 5,670 km (3,520 mi)
- Time difference
- San José 3 hours behind
Network data imported from airport and airline sources:· How we verify
Buenos Aires to San José fares by month
Cheapest one-way fare found: $327 for October 2026 on Copa Airlines (1 stop).
- Oct ’26$327
- Nov ’26$327
- Dec ’26$329
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly EZE–SJO
For Buenos Aires Ezeiza - Ministro Pistarini (EZE) to San José Juan Santamaría (SJO), October 2026 had the lowest fare found ($327). Days in San José average 18–28 °C in September, October, November and December. Set your watch 3 hours back on landing at SJO.
Buenos Aires to San José: frequently asked questions
Fares: Aviasales price cache, 8 October 2026.
How much is a flight from Buenos Aires Ezeiza - Ministro Pistarini (EZE) to San José Juan Santamaría (SJO)?
From $327 one-way, the cheapest fare found for October 2026 on Copa Airlines with 1 stop (found 8 October 2026).
Which airlines fly EZE–SJO direct?
Avianca Costa Rica.
What is the cheapest month to fly EZE–SJO?
October 2026, at $327; the dearest month found was $329.
What is the time difference between Buenos Aires and San José?
San José is 3 hours behind Buenos Aires: a EZE departure at noon is 09:00 local time in SJO.
San José to Buenos Aires: the return flight (SJO–EZE)
All 1 airline also flies SJO–EZE nonstop.
Airlines flying EZE–SJO nonstop
| Airline | Usually takes off (EZE time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Avianca Costa Rica LR | — | full-service | Star Alliance | — |
One-stop alternatives to flying EZE–SJO nonstop
One airline on both legs; check it's sold as one ticket.
- Via Guayaquil (GYE) with Avianca Costa Rica: 5,680 km (3,530 mi) flown, almost no further than nonstop.
- Via Quito (UIO) with Avianca Costa Rica: 5,670 km (3,520 mi) flown, almost no further than nonstop.
- Via Lima (LIM) with
LATAM Airlines Peru: 5,720 km (3,560 mi) flown, 1% further than nonstop. - Via Panama City (PTY) with
Copa Airlines: 5,890 km (3,660 mi) flown, 4% further than nonstop. - Via Bogotá (BOG) with
Avianca: 5,940 km (3,690 mi) flown, 5% further than nonstop.
EZE–SJO route map
More from Buenos Aires and San José
Explore the airlines’ route maps
Plan your arrival at Juan Santamaría International Airport (SJO)
Departure
Ezeiza International Airport - Ministro Pistarini
Ezeiza - Ministro Pistarini (EZE), Buenos Aires. In our data, 34 airlines fly nonstop from EZE to 46 destinations.
View EZE airport guide →Arrival
Juan Santamaría International Airport
Juan Santamaría (SJO), San José.
Weather in San José vs Buenos Aires
San José is warmer than Buenos Aires in 9 months and cooler in 2; the biggest gap is in July (28°C against 16°C). In October it averages 27°C in San José and 23°C in Buenos Aires.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San José | 28° | 29° | 30° | 30° | 29° | 28° | 28° | 28° | 28° | 27° | 27° | 28° |
| Buenos Aires | 30° | 29° | 27° | 23° | 19° | 16° | 16° | 18° | 20° | 23° | 26° | 29° |
Average daily highs. Climate normals from San José, Costa Rica and Buenos Aires (Wikipedia, CC BY-SA), which cite the national weather services.
Onward from San José
Places you can't fly to nonstop from EZE, but can from SJO — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
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