$688+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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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 March 10, 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 March 10, 2026.
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:21 pm
SJC
- EZE
2 stops32h 09m
Multiple Airlines
Mon 5/185:25 am
EZE
- SJC
2 stops36h 48m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$1,173
This Mytrip deal was found by Cheapflights users on 3/9. 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 3/1711:30 am
SJC
- EZE
3 stops28h 45m
Multiple Airlines
Mon 3/236:15 am
EZE
- SJC
3 stops31h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,198
This Mytrip deal was found by Cheapflights users on 3/9. 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 6/35:21 pm
SJC
- EZE
3 stops32h 19m
Multiple Airlines
Tue 6/306:10 am
EZE
- SJC
3 stops32h 22m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,210
This eDestinos deal was found by Cheapflights users on 3/6. 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 5/15:21 pm
SJC
- AEP
2 stops31h 19m
Multiple Airlines
Sat 5/93:45 pm
AEP
- SJC
3 stops58h 50m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,223
This eDestinos deal was found by Cheapflights users on 3/6. 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 5/15:21 pm
SJC
- EZE
3 stops49h 04m
Multiple Airlines
Sat 5/912:15 pm
EZE
- SJC
3 stops62h 20m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,239
This Ovago deal was found by Cheapflights users on 3/8. 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.
Thu 7/237:15 am
SJC
- EZE
1 stop22h 30m
LATAM Airlines
Thu 8/68:10 pm
EZE
- SJC
1 stop19h 38m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,242
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:15 am
SJC
- EZE
1 stop22h 30m
LATAM Airlines
Wed 10/148:10 pm
EZE
- SJC
1 stop19h 46m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,244
This eDestinos deal was found by Cheapflights users on 3/6. 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 8/105:21 pm
SJC
- EZE
3 stops30h 24m
Multiple Airlines
Fri 8/214:45 am
EZE
- SJC
3 stops57h 47m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,257
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/214:00 pm
SJC
- EZE
2 stops36h 00m
United Airlines
Wed 8/59:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,268
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Mon 7/277:00 am
SJC
- AEP
2 stops21h 30m
LATAM Airlines
Wed 8/53:45 pm
AEP
- SJC
2 stops23h 08m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,269
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 7/209:05 am
SJC
- AEP
2 stops25h 45m
LATAM Airlines
Wed 8/53:45 pm
AEP
- SJC
2 stops23h 08m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,277
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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 7/2311:30 am
SJC
- AEP
2 stops30h 00m
LATAM Airlines
Thu 8/63:45 pm
AEP
- SJC
2 stops31h 04m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,302
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 March 10, 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 March 10, 2026.
This eDestinos deal was found by Cheapflights users on 3/6. 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 5/15:21 pm
SJC
- AEP
2 stops31h 19m
Multiple Airlines
Sat 5/93:45 pm
AEP
- SJC
3 stops58h 50m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,223
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/221:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Wed 8/59:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,268
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Mon 7/2712:45 pm
SJC
- AEP
2 stops28h 45m
LATAM Airlines
Tue 8/48:05 pm
AEP
- SJC
2 stops18h 48m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,269
This Delta deal was found by Cheapflights users on 3/8. 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 7/237:15 am
SJC
- EZE
1 stop22h 30m
Delta
Mon 8/38:10 pm
EZE
- SJC
1 stop19h 38m
Delta
Deal found 3/8![Delta logo]()
$1,368
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Mon 7/277:00 am
SJC
- AEP
2 stops21h 30m
LATAM Airlines
Wed 8/53:45 pm
AEP
- SJC
2 stops23h 08m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,269
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/268:45 am
SJC
- EZE
2 stops43h 15m
United Airlines
Thu 8/69:00 pm
EZE
- SJC
2 stops28h 09m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,303
This Delta deal was found by Cheapflights users on 3/8. 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 7/237:15 am
SJC
- EZE
1 stop22h 30m
Delta
Wed 8/58:10 pm
EZE
- SJC
1 stop19h 38m
Delta
Deal found 3/8![Delta logo]()
$1,368
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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 7/217:00 am
SJC
- AEP
2 stops21h 30m
LATAM Airlines
Wed 8/53:45 pm
AEP
- SJC
2 stops23h 08m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 3/7. 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 7/18:45 am
SJC
- EZE
2 stops43h 15m
United Airlines
Tue 7/149:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 3/7![United Airlines logo]()
$1,368
This Delta deal was found by Cheapflights users on 3/6. 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 6/2512:45 pm
SJC
- EZE
1 stop17h 00m
Delta
Tue 7/77:35 am
EZE
- SJC
2 stops28h 40m
Delta
Deal found 3/6![Delta logo]()
$1,377
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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 7/227:00 am
SJC
- AEP
2 stops20h 40m
LATAM Airlines
Wed 8/53:45 pm
AEP
- SJC
2 stops23h 08m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/241:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Fri 8/79:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,368
This Delta deal was found by Cheapflights users on 3/6. 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 6/2512:45 pm
SJC
- EZE
1 stop17h 00m
Delta
Mon 7/137:35 am
EZE
- SJC
2 stops31h 18m
Delta
Deal found 3/6![Delta logo]()
$1,377
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 7/209:05 am
SJC
- AEP
2 stops25h 45m
LATAM Airlines
Mon 8/35:35 pm
AEP
- SJC
2 stops21h 18m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$1,277
This Delta deal was found by Cheapflights users on 3/6. 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 6/286:10 pm
SJC
- EZE
2 stops32h 00m
Delta
Wed 7/87:35 am
EZE
- SJC
2 stops28h 40m
Delta
Deal found 3/6![Delta logo]()
$1,384
This United Airlines deal was found by Cheapflights users on 3/6. 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 6/248:45 am
SJC
- EZE
2 stops43h 15m
United Airlines
Tue 7/79:00 pm
EZE
- SJC
1 stop19h 03m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,404
This LATAM Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 8/1012:45 pm
SJC
- AEP
2 stops22h 05m
LATAM Airlines
Fri 8/218:05 pm
AEP
- SJC
2 stops18h 48m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/301:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Thu 8/69:00 pm
EZE
- SJC
2 stops28h 09m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,416
This Delta deal was found by Cheapflights users on 3/8. 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 7/227:15 am
SJC
- EZE
1 stop22h 30m
Delta
Sat 8/88:10 pm
EZE
- SJC
2 stops19h 59m
Delta
Deal found 3/8![Delta logo]()
$1,418
This KAYAK deal was found by Cheapflights users on 3/6. 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 7/2411:30 am
SJC
- AEP
2 stops23h 20m
LATAM Airlines
Sun 8/28:05 pm
AEP
- SJC
2 stops18h 48m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$1,369
This LATAM Airlines deal was found by Cheapflights users on 3/6. 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 7/17:00 am
SJC
- AEP
2 stops20h 40m
LATAM Airlines
Tue 7/145:35 pm
AEP
- SJC
2 stops21h 18m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$1,377
Last-minute flights from San Jose to Buenos AiresDiscover last-minute flight deals from San Jose to Buenos Aires. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Buenos Aires. Data last updated March 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/9. 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 3/1711:30 am
SJC
- EZE
3 stops28h 45m
Multiple Airlines
Mon 3/236:15 am
EZE
- SJC
3 stops31h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,198
This SmartFares deal was found by Cheapflights users on 3/7. 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.
Wed 3/187:00 am
SJC
- AEP
2 stops20h 55m
LATAM Airlines
Thu 4/28:05 pm
AEP
- SJC
2 stops29h 57m
LATAM Airlines
Deal found 3/7![LATAM Airlines logo]()
$1,532
This FlightHub deal was found by Cheapflights users on 3/9. 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 3/189:15 am
SJC
- AEP
2 stops21h 15m
LATAM Airlines
Tue 3/246:20 pm
AEP
- SJC
2 stops22h 32m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$1,616
This BusinessClass deal was found by Cheapflights users on 3/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:35 pm
SJC
- EZE
2 stops28h 22m
Multiple Airlines
Sat 4/42:57 pm
EZE
- SJC
2 stops51h 01m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,313
This BusinessClass deal was found by Cheapflights users on 3/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:39 pm
SJC
- EZE
2 stops45h 49m
Multiple Airlines
Sat 4/42:57 pm
EZE
- SJC
2 stops48h 49m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,274
This LATAM Airlines deal was found by Cheapflights users on 3/10. 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 3/297:00 am
SJC
- AEP
2 stops27h 50m
LATAM Airlines
Sat 4/410:30 pm
AEP
- SJC
3 stops27h 32m
LATAM Airlines
Deal found 3/10![LATAM Airlines logo]()
$1,527
This eDestinos deal was found by Cheapflights users on 3/10. 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 4/212:23 pm
SJC
- EZE
2 stops29h 02m
Multiple Airlines
Sat 4/45:00 am
EZE
- SJC
3 stops36h 18m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,407
This Mytrip deal was found by Cheapflights users on 3/10. 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 4/212:23 pm
SJC
- AEP
3 stops26h 07m
Multiple Airlines
Sat 4/47:00 am
AEP
- SJC
3 stops31h 32m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,591
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Sun 4/55:21 pm
SJC
- EZE
3 stops32h 19m
Multiple Airlines
Tue 4/146:10 am
EZE
- SJC
3 stops32h 22m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,342
This Ovago deal was found by Cheapflights users on 3/9. 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.
Sun 4/51:25 pm
SJC
- EZE
1 stop16h 20m
LATAM Airlines
Tue 4/148:10 pm
EZE
- SJC
1 stop20h 11m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$1,432
This KAYAK deal was found by Cheapflights users on 3/9. 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 4/56:25 pm
SJC
- AEP
2 stops17h 35m
LATAM Airlines
Tue 4/148:05 pm
AEP
- SJC
2 stops21h 13m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$1,477
This Ovago deal was found by Cheapflights users on 3/6. 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.
Mon 4/209:37 am
SJC
- EZE
2 stops20h 08m
LATAM Airlines
Mon 4/278:10 pm
EZE
- SJC
2 stops20h 13m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$1,437
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 March 10, 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 March 10, 2026.
This BusinessClass deal was found by Cheapflights users on 3/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:15 am
SJC
- EZE
2 stops20h 00m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 3/7. 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 7/111:10 pm
SJC
- EZE
1 stop14h 50m
United Airlines
Deal found 3/7![United Airlines logo]()
$693
This LATAM Airlines deal was found by Cheapflights users on 3/7. 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.
Sat 7/1111:30 am
SJC
- AEP
2 stops23h 20m
LATAM Airlines
Deal found 3/7![LATAM Airlines logo]()
$693
This SmartFares deal was found by Cheapflights users on 3/6. 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.
Thu 3/261:25 pm
SJC
- EZE
1 stop15h 35m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$703
This SmartFares deal was found by Cheapflights users on 3/8. 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 5/31:45 pm
SJC
- EZE
1 stop16h 00m
LATAM Airlines
Deal found 3/8![LATAM Airlines logo]()
$704
This SmartFares deal was found by Cheapflights users on 3/9. 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.
Mon 3/167:00 am
SJC
- AEP
2 stops20h 55m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$714
This SmartFares deal was found by Cheapflights users on 3/9. 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.
Thu 7/911:30 am
SJC
- AEP
2 stops48h 30m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$727
This SmartFares deal was found by Cheapflights users on 3/9. 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.
Wed 3/181:25 pm
SJC
- EZE
1 stop15h 35m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$728
This SmartFares deal was found by Cheapflights users on 3/9. 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 3/177:00 am
SJC
- AEP
2 stops20h 55m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$739
This KAYAK deal was found by Cheapflights users on 3/7. 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 3/248:45 am
SJC
- EZE
2 stops19h 35m
Avianca
Deal found 3/7![Avianca logo]()
$743
This KAYAK deal was found by Cheapflights users on 3/7. 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 7/144:00 pm
SJC
- EZE
2 stops36h 00m
Copa Airlines
Deal found 3/7![Copa Airlines logo]()
$772
This KAYAK deal was found by Cheapflights users on 3/10. 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.
Mon 6/88:45 am
SJC
- EZE
2 stops19h 15m
Azul
Deal found 3/10![Azul logo]()
$788
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,173 (BusinessClass) |
One-way from | $688 (BusinessClass) |
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 March 10, 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 - AEP
SJCAEP
San Jose
Fri 5/1
5:21 pm-4:40 am
2 stops31h 19m
Buenos Aires Jorge Newbery
Sat 5/9
3:45 pm-10:35 pm
3 stops58h 50m
$1,223
Quickest round-trip
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Wed 7/22
1:10 pm-8:00 am
1 stop14h 50m
Buenos Aires Ministro Pistarini
Wed 8/5
9:00 pm-12:03 pm
1 stop19h 03m
$1,268
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 7/27
12:45 pm-9:30 pm
2 stops28h 45m
Buenos Aires Jorge Newbery
Tue 8/4
8:05 pm-10:53 am
2 stops18h 48m
$1,269
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 7/27
7:00 am-8:30 am
2 stops21h 30m
Buenos Aires Jorge Newbery
Wed 8/5
3:45 pm-10:53 am
2 stops23h 08m
$1,269
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Tue 7/21
7:00 am-8:30 am
2 stops21h 30m
Buenos Aires Jorge Newbery
Wed 8/5
3:45 pm-10:53 am
2 stops23h 08m
$1,277
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Wed 7/22
7:00 am-7:40 am
2 stops20h 40m
Buenos Aires Jorge Newbery
Wed 8/5
3:45 pm-10:53 am
2 stops23h 08m
$1,277
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 7/20
9:05 am-2:50 pm
2 stops25h 45m
Buenos Aires Jorge Newbery
Mon 8/3
5:35 pm-10:53 am
2 stops21h 18m
$1,277
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Sun 7/26
8:45 am-8:00 am
2 stops43h 15m
Buenos Aires Ministro Pistarini
Thu 8/6
9:00 pm-9:09 pm
2 stops28h 09m
$1,303
San JoseBuenos Aires
SJC - AEP
SJCAEP
San Jose
Mon 8/10
12:45 pm-2:50 pm
2 stops22h 05m
Buenos Aires Jorge Newbery
Fri 8/21
8:05 pm-10:53 am
2 stops18h 48m
$1,327
San JoseBuenos Aires
SJC - EZE
SJCEZE
San Jose
Thu 7/23
7:15 am-9:45 am
1 stop22h 30m
Buenos Aires Ministro Pistarini
Mon 8/3
8:10 pm-11:48 am
1 stop19h 38m
$1,368
Showing 1-10 of 44 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-AEP
SJC-EZE
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-AEP
SJC-EZE
What is the cheapest month to book a flight from San Jose, California to Buenos Aires?
Currently, April is the cheapest month in which you can book a flight from San Jose, California to Buenos Aires (average of $552). Flying from San Jose, California to Buenos Aires in July is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated March 10, 2026.
See what other customers who have flown with American Airlines from San Jose to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.2
Food
6.4
Overall
7.1
Crew
7.9
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Boarding
7.5
Comfort
7.2
Food
6.4
Overall
7.1
Crew
7.9
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Related info for your journey
Find useful and relevant information for your journey from San Jose to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Jose to Buenos Aires
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Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Complete your trip
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San Jose and Buenos Aires flights
Browse other San Jose and Buenos Aires flight options. Last updated on March 10, 2026.
Other flights from San Jose
Browse through other flights departing from San Jose. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Jose to Buenos Aires
Discover the top 2 airlines that operate flights from San Jose to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$915 | Average$1,365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,365 | Average$1,485 | FlexibilityNo cancel fee | On-time69% |