$571+ Cheap flights from San Jose, CA (SJC) to Buenos Aires (BUE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
May 29 — Jun 51
Round-trip
1 adult, Economy
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Find cheap flights from San Jose to Buenos Aires with Cheapflights
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Cheapest flights from San Jose to Buenos AiresExplore the most affordable flight options available from San Jose to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
Explore the most affordable flight options available from San Jose to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:57 pm
SJC
- EZE
2 stops29h 30m
Multiple Airlines
Sat 6/133:48 am
EZE
- SJC
3 stops37h 29m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,160
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:15 am
SJC
- EZE
2 stops19h 05m
LATAM Airlines
Mon 11/97:45 am
EZE
- SJC
2 stops19h 02m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,311
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:15 am
SJC
- AEP
2 stops20h 25m
LATAM Airlines
Mon 11/95:05 pm
AEP
- SJC
2 stops24h 49m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,311
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Tue 7/149:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,318
This KAYAK deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:46 pm
SJC
- EZE
1 stop16h 59m
LATAM Airlines
Mon 7/138:10 pm
EZE
- SJC
1 stop19h 20m
LATAM Airlines
Deal found 4/24![LATAM Airlines logo]()
$1,319
This KAYAK deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
SJC
- AEP
2 stops32h 40m
LATAM Airlines
Wed 9/169:25 am
AEP
- SJC
2 stops30h 08m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$1,319
This KAYAK deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:00 pm
SJC
- EZE
2 stops31h 20m
LATAM Airlines
Mon 7/137:35 am
EZE
- SJC
2 stops18h 38m
LATAM Airlines
Deal found 4/24![LATAM Airlines logo]()
$1,323
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:45 pm
SJC
- EZE
1 stop17h 00m
Delta
Sun 9/207:35 am
EZE
- SJC
2 stops35h 18m
Delta
Deal found 4/27![Delta logo]()
$1,327
This eDestinos deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:12 pm
SJC
- AEP
2 stops20h 18m
LATAM Airlines
Tue 7/148:05 pm
AEP
- SJC
2 stops26h 47m
LATAM Airlines
Deal found 4/29![LATAM Airlines logo]()
$1,327
This LATAM Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:46 pm
SJC
- EZE
2 stops18h 44m
LATAM Airlines
Tue 7/147:35 am
EZE
- SJC
3 stops39h 17m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,330
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:44 pm
SJC
- EZE
2 stops32h 36m
Delta
Wed 7/87:35 am
EZE
- SJC
2 stops36h 12m
Delta
Deal found 4/24![Delta logo]()
$1,331
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:00 pm
SJC
- EZE
2 stops33h 10m
Delta
Mon 7/138:10 pm
EZE
- SJC
1 stop19h 20m
Delta
Deal found 4/26![Delta logo]()
$1,334
Best flights from San Jose to Buenos AiresDiscover carefully curated flight deals from San Jose to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from San Jose to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Tue 7/149:00 pm
EZE
- SJC
2 stops24h 35m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,318
This eDestinos deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:15 am
SJC
- EZE
2 stops18h 55m
LATAM Airlines
Mon 9/147:21 pm
EZE
- SJC
2 stops19h 32m
LATAM Airlines
Deal found 4/24![LATAM Airlines logo]()
$1,327
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 am
SJC
- EZE
1 stop22h 30m
Delta
Sun 9/207:35 am
EZE
- SJC
2 stops31h 18m
Delta
Deal found 4/27![Delta logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Wed 9/169:00 pm
EZE
- SJC
1 stop19h 04m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,327
This LATAM Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:46 pm
SJC
- AEP
2 stops26h 59m
LATAM Airlines
Tue 7/148:05 pm
AEP
- SJC
2 stops19h 25m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$1,327
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:05 am
SJC
- AEP
2 stops26h 55m
Delta
Tue 9/158:40 am
AEP
- SJC
2 stops37h 57m
Delta
Deal found 4/27![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:05 pm
SJC
- AEP
2 stops34h 35m
Delta
Tue 9/158:40 am
AEP
- SJC
2 stops37h 57m
Delta
Deal found 4/27![Delta logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:37 pm
SJC
- EZE
2 stops33h 23m
United Airlines
Thu 9/179:00 pm
EZE
- SJC
1 stop19h 04m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,331
This KAYAK deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:05 am
SJC
- AEP
2 stops26h 55m
LATAM Airlines
Mon 9/148:05 pm
AEP
- SJC
2 stops26h 32m
LATAM Airlines
Deal found 4/24![LATAM Airlines logo]()
$1,359
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:00 am
SJC
- EZE
2 stops19h 10m
Delta
Mon 7/138:10 pm
EZE
- SJC
2 stops20h 25m
Delta
Deal found 4/26![Delta logo]()
$1,331
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:37 pm
SJC
- EZE
2 stops57h 23m
United Airlines
Thu 9/179:00 pm
EZE
- SJC
1 stop19h 04m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,353
This KAYAK deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:45 pm
SJC
- AEP
2 stops23h 15m
LATAM Airlines
Sat 8/225:35 pm
AEP
- SJC
2 stops21h 18m
LATAM Airlines
Deal found 4/29![LATAM Airlines logo]()
$1,439
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:00 pm
SJC
- EZE
2 stops33h 10m
Delta
Tue 7/78:10 pm
EZE
- SJC
1 stop19h 20m
Delta
Deal found 4/26![Delta logo]()
$1,334
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:05 pm
SJC
- AEP
2 stops18h 55m
Delta
Sat 9/198:05 pm
AEP
- SJC
2 stops18h 48m
Delta
Deal found 4/27![Delta logo]()
$1,387
This LATAM Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:15 am
SJC
- AEP
2 stops20h 25m
LATAM Airlines
Thu 10/110:20 am
AEP
- SJC
2 stops29h 13m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$1,547
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:15 am
SJC
- AEP
2 stops20h 25m
Delta
Mon 9/148:05 pm
AEP
- SJC
2 stops19h 28m
Delta
Deal found 4/27![Delta logo]()
$1,387
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:05 pm
SJC
- AEP
2 stops31h 35m
Delta
Sun 9/208:05 pm
AEP
- SJC
2 stops18h 48m
Delta
Deal found 4/27![Delta logo]()
$1,394
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am
SJC
- AEP
2 stops20h 40m
Delta
Sat 9/198:05 pm
AEP
- SJC
2 stops18h 48m
Delta
Deal found 4/27![Delta logo]()
$1,447
Last-minute flights from San Jose to Buenos AiresDiscover last-minute flight deals from San Jose to Buenos Aires. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Buenos Aires. Data last updated April 29, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:42 pm
SJC
- EZE
3 stops43h 43m
Multiple Airlines
Fri 5/82:17 am
EZE
- SJC
3 stops35h 27m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,551
This Ovago deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:45 pm
SJC
- EZE
1 stop16h 00m
LATAM Airlines
Mon 5/188:10 pm
EZE
- SJC
1 stop18h 43m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,578
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:10 am
SJC
- AEP
2 stops19h 30m
LATAM Airlines
Mon 5/188:05 pm
AEP
- SJC
2 stops22h 04m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,579
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:45 am
SJC
- EZE
2 stops19h 15m
United Airlines
Mon 5/189:00 pm
EZE
- SJC
2 stops20h 30m
United Airlines
Deal found 4/25![United Airlines logo]()
$1,591
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:56 pm
SJC
- EZE
1 stop15h 04m
United Airlines
Fri 5/159:00 pm
EZE
- SJC
1 stop19h 00m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,577
This LATAM Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:59 pm
SJC
- AEP
2 stops18h 01m
LATAM Airlines
Fri 5/156:20 pm
AEP
- SJC
2 stops20h 25m
LATAM Airlines
Deal found 4/28![LATAM Airlines logo]()
$1,577
This KAYAK deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:12 pm
SJC
- AEP
2 stops22h 38m
LATAM Airlines
Tue 5/265:00 pm
AEP
- SJC
2 stops21h 45m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$1,569
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:10 am
SJC
- EZE
1 stop22h 35m
LATAM Airlines
Fri 5/298:10 pm
EZE
- SJC
1 stop18h 43m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,568
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Mon 6/159:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 4/25![United Airlines logo]()
$1,552
This Mytrip deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:23 pm
SJC
- AEP
3 stops23h 37m
Multiple Airlines
Mon 6/17:00 am
AEP
- SJC
3 stops31h 32m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,570
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:12 pm
SJC
- EZE
2 stops17h 08m
LATAM Airlines
Sat 6/137:35 am
EZE
- SJC
2 stops18h 41m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,573
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:10 am
SJC
- EZE
1 stop22h 35m
LATAM Airlines
Fri 6/128:10 pm
EZE
- SJC
1 stop19h 26m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$1,569
One-way flights from San Jose to Buenos AiresSearch for one-way flight options from San Jose to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from San Jose to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:21 pm
SJC
- EZE
3 stops59h 55m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$571
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:23 pm
SJC
- EZE
3 stops35h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:13 am
SJC
- EZE
3 stops40h 57m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:23 pm
SJC
- AEP
3 stops59h 57m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$622
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:25 pm
SJC
- AEP
2 stops43h 15m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:25 pm
SJC
- AEP
3 stops34h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$704
This Ovago deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:56 pm
SJC
- EZE
1 stop15h 04m
Azul
Deal found 4/26![Azul logo]()
$735
This LATAM Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:45 pm
SJC
- EZE
1 stop16h 00m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$743
This LATAM Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:45 pm
SJC
- AEP
2 stops22h 15m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$743
This SmartFares deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:45 pm
SJC
- EZE
1 stop17h 00m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:37 pm
SJC
- EZE
2 stops33h 23m
United Airlines
Deal found 4/27![United Airlines logo]()
$749
This SmartFares deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:10 am
SJC
- EZE
1 stop22h 35m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$753
Find flight deals from San Jose to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,160 (Trip.com) |
One-way from | $571 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2026.
Use the filters below to find and compare flights from San Jose to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Wed 7/1
1:10 pm-8:00 am
1 stop14h 50m
Buenos Aires Ministro Pistarini
Tue 7/14
9:00 pm-5:35 pm
2 stops24h 35m
$1,318
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Wed 9/2
7:15 am-6:10 am
2 stops18h 55m
Buenos Aires Ministro Pistarini
Mon 9/14
7:21 pm-10:53 am
2 stops19h 32m
$1,327
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Tue 9/1
7:15 am-9:45 am
1 stop22h 30m
Buenos Aires Ministro Pistarini
Sun 9/20
7:35 am-10:53 am
2 stops31h 18m
$1,327
Quickest round-trip
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Mon 9/7
1:10 pm-8:00 am
1 stop14h 50m
Buenos Aires Ministro Pistarini
Wed 9/16
9:00 pm-12:04 pm
1 stop19h 04m
$1,327
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Wed 7/1
12:46 pm-7:45 pm
2 stops26h 59m
Buenos Aires Jorge Newbery
Tue 7/14
8:05 pm-11:30 am
2 stops19h 25m
$1,327
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Tue 9/1
9:05 am-4:00 pm
2 stops26h 55m
Buenos Aires Jorge Newbery
Tue 9/15
8:40 am-6:37 pm
2 stops37h 57m
$1,327
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 9/7
5:05 pm-7:40 am
2 stops34h 35m
Buenos Aires Jorge Newbery
Tue 9/15
8:40 am-6:37 pm
2 stops37h 57m
$1,327
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Sun 9/6
6:37 pm-8:00 am
2 stops33h 23m
Buenos Aires Ministro Pistarini
Thu 9/17
9:00 pm-12:04 pm
1 stop19h 04m
$1,331
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Thu 6/25
7:00 am-6:10 am
2 stops19h 10m
Buenos Aires Ministro Pistarini
Mon 7/13
8:10 pm-12:35 pm
2 stops20h 25m
$1,331
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Sun 6/28
5:00 pm-6:10 am
2 stops33h 10m
Buenos Aires Ministro Pistarini
Tue 7/7
8:10 pm-11:30 am
1 stop19h 20m
$1,334
Showing 1-10 of 42 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on San Jose, California-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Jose to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Jose with our price prediction graph.
SJC-BUE
SJC-EZE
SJC-AEP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Jose to Buenos Aires
SJC-BUE
SJC-EZE
SJC-AEP
No data available for this route at this time. Please check back soon.
Related info for your journey
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