$390+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Find cheap flights from San Jose to Buenos Aires with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 July 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 July 29, 2026.
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Mon 9/145:21 pm
SJC
- EZE
3 stops29h 39m
Multiple Airlines
Mon 9/284:45 am
EZE
- SJC
3 stops33h 02m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,171
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:21 pm
SJC
- EZE
3 stops29h 39m
Multiple Airlines
Wed 9/24:45 am
EZE
- SJC
3 stops33h 02m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,172
This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:15 am
SJC
- EZE
3 stops40h 30m
Multiple Airlines
Mon 11/99:15 pm
EZE
- SJC
3 stops45h 59m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,190
This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:56 am
SJC
- EZE
3 stops35h 27m
Multiple Airlines
Tue 10/611:00 am
EZE
- SJC
3 stops32h 52m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,192
This Mytrip deal was found by Cheapflights users on 7/27. 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 9/1711:27 am
SJC
- EZE
3 stops35h 56m
Multiple Airlines
Wed 9/304:45 am
EZE
- SJC
3 stops33h 02m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,210
This eDestinos deal was found by Cheapflights users on 7/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:56 am
SJC
- EZE
3 stops35h 27m
Multiple Airlines
Wed 10/143:55 am
EZE
- SJC
3 stops46h 53m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,223
This eDestinos deal was found by Cheapflights users on 7/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:27 am
SJC
- AEP
3 stops48h 33m
Multiple Airlines
Fri 10/308:40 am
AEP
- SJC
3 stops53h 52m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,255
This eDestinos deal was found by Cheapflights users on 7/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:21 pm
SJC
- AEP
3 stops48h 09m
Multiple Airlines
Mon 10/128:05 pm
AEP
- SJC
3 stops46h 50m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$1,286
This KAYAK deal was found by Cheapflights users on 7/25. 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.
Sun 11/2210:20 pm
SJC
- AEP
2 stops29h 10m
LATAM Airlines
Tue 12/15:35 pm
AEP
- SJC
2 stops22h 19m
LATAM Airlines
Deal found 7/25![LATAM Airlines logo]()
$1,378
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:27 am
SJC
- AEP
3 stops24h 33m
Multiple Airlines
Mon 9/287:00 am
AEP
- SJC
3 stops35h 14m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,384
This oojo deal was found by Cheapflights users on 7/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:05 am
SJC
- AEP
2 stops25h 55m
LATAM Airlines
Fri 12/255:35 pm
AEP
- SJC
2 stops24h 19m
LATAM Airlines
Deal found 7/25![LATAM Airlines logo]()
$1,405
This Delta deal was found by Cheapflights users on 7/24. 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 11/2212:45 pm
SJC
- AEP
2 stops22h 15m
Delta
Mon 11/308:05 pm
AEP
- SJC
2 stops19h 49m
Delta
Deal found 7/24![Delta logo]()
$1,438
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 July 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 July 29, 2026.
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:21 pm
SJC
- EZE
3 stops31h 44m
Multiple Airlines
Mon 9/284:45 am
EZE
- SJC
3 stops33h 02m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,222
This Rumbo deal was found by Cheapflights users on 7/23. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:41 am
SJC
- EZE
2 stops19h 49m
LATAM Airlines
Mon 9/288:10 pm
EZE
- SJC
1 stop19h 26m
LATAM Airlines
Deal found 7/23![LATAM Airlines logo]()
$1,576
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 9/1712:51 pm
SJC
- EZE
1 stop16h 54m
Delta
Wed 9/308:10 pm
EZE
- SJC
1 stop29h 12m
Delta
Deal found 7/27![Delta logo]()
$1,615
This eDestinos deal was found by Cheapflights users on 7/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:27 am
SJC
- AEP
3 stops48h 33m
Multiple Airlines
Fri 10/308:40 am
AEP
- SJC
3 stops53h 52m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,255
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:27 am
SJC
- EZE
3 stops24h 13m
Multiple Airlines
Tue 9/14:50 pm
EZE
- SJC
3 stops26h 40m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,338
This lastminute.com deal was found by Cheapflights users on 7/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:41 am
SJC
- AEP
2 stops23h 09m
LATAM Airlines
Mon 9/288:05 pm
AEP
- SJC
2 stops22h 09m
LATAM Airlines
Deal found 7/24![LATAM Airlines logo]()
$1,607
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 9/177:00 am
SJC
- AEP
2 stops20h 40m
Delta
Wed 9/308:05 pm
AEP
- SJC
2 stops22h 09m
Delta
Deal found 7/27![Delta logo]()
$1,615
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:27 am
SJC
- EZE
2 stops29h 58m
Multiple Airlines
Sat 9/191:10 pm
EZE
- SJC
3 stops30h 20m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,362
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 9/146:40 am
SJC
- EZE
1 stop23h 05m
Delta
Mon 9/288:10 pm
EZE
- SJC
1 stop19h 26m
Delta
Deal found 7/24![Delta logo]()
$1,628
This LATAM Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/177:00 am
SJC
- AEP
2 stops20h 40m
LATAM Airlines
Wed 9/308:05 pm
AEP
- SJC
2 stops22h 09m
LATAM Airlines
Deal found 7/27![LATAM Airlines logo]()
$1,628
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:27 am
SJC
- AEP
3 stops24h 33m
Multiple Airlines
Mon 9/287:00 am
AEP
- SJC
3 stops35h 14m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,384
This LATAM Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 10/1512:54 pm
SJC
- AEP
2 stops23h 06m
LATAM Airlines
Fri 10/303:50 pm
AEP
- SJC
2 stops22h 51m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$1,653
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:27 am
SJC
- EZE
2 stops29h 58m
Multiple Airlines
Wed 10/143:55 am
EZE
- SJC
3 stops33h 52m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,414
This LATAM Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 10/211:41 am
SJC
- AEP
2 stops23h 09m
LATAM Airlines
Mon 10/125:35 pm
AEP
- SJC
2 stops22h 09m
LATAM Airlines
Deal found 7/26![LATAM Airlines logo]()
$1,653
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:51 pm
SJC
- AEP
2 stops41h 39m
LATAM Airlines
Sat 9/195:35 pm
AEP
- SJC
2 stops22h 01m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$1,661
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 9/1712:51 pm
SJC
- EZE
1 stop16h 54m
Multiple Airlines
Wed 9/307:21 pm
EZE
- SJC
2 stops28h 32m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,513
This LATAM Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 10/111:41 am
SJC
- AEP
2 stops23h 09m
LATAM Airlines
Tue 10/610:30 pm
AEP
- SJC
3 stops27h 38m
LATAM Airlines
Deal found 7/27![LATAM Airlines logo]()
$1,678
This Mytrip deal was found by Cheapflights users on 7/25. 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.
Tue 9/811:27 am
SJC
- AEP
3 stops27h 03m
Multiple Airlines
Tue 9/158:40 am
AEP
- SJC
3 stops34h 50m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,617
Last-minute flights from San Jose to Buenos AiresDiscover last-minute flight deals from San Jose to Buenos Aires. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Buenos Aires. Data last updated July 29, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:30 pm
SJC
- AEP
2 stops19h 30m
LATAM Airlines
Thu 8/278:05 pm
AEP
- SJC
2 stops22h 09m
LATAM Airlines
Deal found 7/24![LATAM Airlines logo]()
$1,633
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:21 pm
SJC
- EZE
3 stops33h 24m
Multiple Airlines
Sat 8/157:10 am
EZE
- SJC
2 stops30h 37m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,502
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:21 pm
SJC
- EZE
3 stops32h 19m
Multiple Airlines
Thu 8/132:30 am
EZE
- SJC
3 stops35h 17m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,507
This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:35 pm
SJC
- EZE
2 stops18h 55m
LATAM Airlines
Thu 8/208:10 pm
EZE
- SJC
1 stop26h 42m
LATAM Airlines
Deal found 7/24![LATAM Airlines logo]()
$1,707
This Delta deal was found by Cheapflights users on 7/26. 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 8/1612:35 pm
SJC
- EZE
1 stop17h 10m
Delta
Sun 9/64:45 pm
EZE
- SJC
2 stops27h 05m
Delta
Deal found 7/26![Delta logo]()
$1,678
This Delta deal was found by Cheapflights users on 7/26. 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 8/162:59 pm
SJC
- AEP
2 stops21h 01m
Delta
Wed 9/28:05 pm
AEP
- SJC
2 stops19h 17m
Delta
Deal found 7/26![Delta logo]()
$1,678
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:37 pm
SJC
- EZE
2 stops33h 23m
United Airlines
Tue 9/19:00 pm
EZE
- SJC
2 stops20h 08m
United Airlines
Deal found 7/26![United Airlines logo]()
$1,692
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:27 am
SJC
- EZE
3 stops24h 13m
Multiple Airlines
Tue 9/14:50 pm
EZE
- SJC
3 stops26h 40m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,338
This LATAM Airlines deal was found by Cheapflights users on 7/28. 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 8/2511:38 am
SJC
- EZE
2 stops23h 12m
LATAM Airlines
Tue 9/17:35 am
EZE
- SJC
2 stops18h 38m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$1,640
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:21 pm
SJC
- EZE
3 stops29h 39m
Multiple Airlines
Wed 9/24:45 am
EZE
- SJC
3 stops33h 02m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,172
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SJC
- EZE
2 stops20h 00m
American Airlines
Wed 9/210:30 pm
EZE
- SJC
2 stops27h 41m
American Airlines
Deal found 7/28![American Airlines logo]()
$1,682
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:34 am
SJC
- AEP
2 stops30h 26m
LATAM Airlines
Wed 9/212:55 pm
AEP
- SJC
2 stops25h 48m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$1,709
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 July 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 July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:14 pm
SJC
- EZE
2 stops33h 26m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:14 pm
SJC
- AEP
3 stops38h 36m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:21 pm
SJC
- EZE
3 stops53h 39m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 8/135:21 pm
SJC
- EZE
3 stops34h 09m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:21 pm
SJC
- AEP
3 stops45h 09m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sat 8/811:27 am
SJC
- EZE
3 stops57h 24m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sat 8/88:23 pm
SJC
- AEP
3 stops46h 37m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$716
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:40 am
SJC
- EZE
1 stop23h 05m
LATAM Airlines
Deal found 7/26![LATAM Airlines logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:21 pm
SJC
- EZE
3 stops49h 05m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$790
This LATAM Airlines deal was found by Cheapflights users on 7/26. 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 10/76:30 am
SJC
- AEP
2 stops29h 30m
LATAM Airlines
Deal found 7/26![LATAM Airlines logo]()
$793
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
SJC
- AEP
2 stops20h 40m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$801
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:51 pm
SJC
- AEP
2 stops23h 09m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$802
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 July 29, 2026.
Round-trip from | $1,172 (Mytrip) |
|---|---|
One-way from | $390 (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 July 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
Mon 9/14
5:21 pm-5:05 am
3 stops31h 44m
Buenos Aires Ministro Pistarini
Mon 9/28
4:45 am-9:47 am
3 stops33h 02m
$1,222
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Thu 10/15
11:27 am-4:00 pm
3 stops48h 33m
Buenos Aires Jorge Newbery
Fri 10/30
8:40 am-10:32 am
3 stops53h 52m
$1,255
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Tue 8/25
11:27 am-3:40 pm
3 stops24h 13m
Buenos Aires Ministro Pistarini
Tue 9/1
4:50 pm-3:30 pm
3 stops26h 40m
$1,338
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Sat 9/12
11:27 am-9:25 pm
2 stops29h 58m
Buenos Aires Ministro Pistarini
Sat 9/19
1:10 pm-3:30 pm
3 stops30h 20m
$1,362
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 9/14
11:27 am-4:00 pm
3 stops24h 33m
Buenos Aires Jorge Newbery
Mon 9/28
7:00 am-2:14 pm
3 stops35h 14m
$1,384
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Thu 10/1
11:27 am-9:25 pm
2 stops29h 58m
Buenos Aires Ministro Pistarini
Wed 10/14
3:55 am-9:47 am
3 stops33h 52m
$1,414
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Thu 9/17
12:51 pm-9:45 am
1 stop16h 54m
Buenos Aires Ministro Pistarini
Wed 9/30
7:21 pm-7:53 pm
2 stops28h 32m
$1,513
Quickest round-trip
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Mon 9/14
11:41 am-11:30 am
2 stops19h 49m
Buenos Aires Ministro Pistarini
Mon 9/28
8:10 pm-11:36 am
1 stop19h 26m
$1,576
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 9/14
11:41 am-2:50 pm
2 stops23h 09m
Buenos Aires Jorge Newbery
Mon 9/28
8:05 pm-2:14 pm
2 stops22h 09m
$1,607
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Thu 9/17
12:51 pm-9:45 am
1 stop16h 54m
Buenos Aires Ministro Pistarini
Wed 9/30
8:10 pm-9:22 pm
1 stop29h 12m
$1,615
Showing 1-10 of 34 resultsSorted by cheapest first
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.
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