$441+ Cheap flights from San Diego (SAN) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUE
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Cheapest flights from San Diego to Buenos AiresExplore the most affordable flight options available from San Diego to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from San Diego to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This eDestinos deal was found by Cheapflights users on 3/21. 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 8/206:15 am
SAN
- EZE
2 stops35h 10m
Aeromexico
Wed 11/2511:55 pm
EZE
- SAN
2 stops24h 00m
Aeromexico
Deal found 3/21![Aeromexico logo]()
$686
This FlightHub deal was found by Cheapflights users on 3/21. 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 9/93:59 pm
SAN
- EZE
2 stops25h 26m
Aeromexico
Wed 9/2311:25 pm
EZE
- SAN
2 stops27h 30m
Aeromexico
Deal found 3/21![Aeromexico logo]()
$724
This Copa Airlines deal was found by Cheapflights users on 3/19. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:00 pm
SAN
- EZE
1 stop24h 30m
Copa Airlines
Sat 5/93:48 am
EZE
- SAN
1 stop18h 42m
Copa Airlines
Deal found 3/19![Copa Airlines logo]()
$725
This FlightHub deal was found by Cheapflights users on 3/22. 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.
Mon 5/410:05 am
SAN
- EZE
2 stops55h 20m
Aeromexico
Mon 5/1111:25 pm
EZE
- SAN
2 stops27h 50m
Aeromexico
Deal found 3/22![Aeromexico logo]()
$730
This SmartFares deal was found by Cheapflights users on 3/20. 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 4/203:15 pm
SAN
- EZE
2 stops50h 10m
Aeromexico
Mon 5/1111:25 pm
EZE
- SAN
2 stops27h 50m
Aeromexico
Deal found 3/20![Aeromexico logo]()
$738
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:59 am
SAN
- EZE
2 stops30h 26m
Aeromexico
Thu 5/1411:25 pm
EZE
- SAN
2 stops43h 32m
Aeromexico
Deal found 3/23![Aeromexico logo]()
$771
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 4/209:18 pm
SAN
- EZE
1 stop30h 37m
Copa Airlines
Sun 5/102:17 am
EZE
- SAN
1 stop20h 13m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$778
This FlightHub deal was found by Cheapflights users on 3/18. 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.
Tue 6/210:59 am
SAN
- EZE
2 stops30h 26m
Aeromexico
Wed 6/1011:25 pm
EZE
- SAN
2 stops23h 29m
Aeromexico
Deal found 3/18![Aeromexico logo]()
$787
This Expedia deal was found by Cheapflights users on 3/21. 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.
Tue 5/510:05 am
SAN
- EZE
2 stops31h 20m
Aeromexico
Tue 5/1211:25 pm
EZE
- SAN
2 stops27h 50m
Aeromexico
Deal found 3/21![Aeromexico logo]()
$788
This Travelocity deal was found by Cheapflights users on 3/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:59 pm
SAN
- EZE
2 stops25h 26m
Aeromexico
Tue 9/2211:25 pm
EZE
- SAN
2 stops47h 29m
Aeromexico
Deal found 3/22![Aeromexico logo]()
$794
This Aeromexico deal was found by Cheapflights users on 3/18. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:20 am
SAN
- EZE
2 stops35h 05m
Aeromexico
Thu 4/3011:25 pm
EZE
- SAN
2 stops27h 11m
Aeromexico
Deal found 3/18![Aeromexico logo]()
$807
This LATAM Airlines deal was found by Cheapflights users on 3/18. 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 8/2410:00 am
SAN
- AEP
2 stops26h 05m
LATAM Airlines
Wed 8/263:45 pm
AEP
- SAN
2 stops22h 42m
LATAM Airlines
Deal found 3/18![LATAM Airlines logo]()
$824
Best flights from San Diego to Buenos AiresDiscover carefully curated flight deals from San Diego to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from San Diego to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Copa Airlines deal was found by Cheapflights users on 3/22. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:00 pm
SAN
- EZE
1 stop20h 25m
Copa Airlines
Mon 5/115:25 am
EZE
- SAN
1 stop17h 05m
Copa Airlines
Deal found 3/22![Copa Airlines logo]()
$725
This FlightHub deal was found by Cheapflights users on 3/21. 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.
Mon 8/37:30 pm
SAN
- EZE
2 stops21h 55m
Aeromexico
Wed 8/1911:25 pm
EZE
- SAN
2 stops23h 29m
Aeromexico
Deal found 3/21![Aeromexico logo]()
$849
This LATAM Airlines deal was found by Cheapflights users on 3/19. 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 5/286:15 am
SAN
- AEP
2 stops22h 15m
LATAM Airlines
Mon 6/15:00 pm
AEP
- SAN
2 stops22h 51m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$967
This Orbitz deal was found by Cheapflights users on 3/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:15 pm
SAN
- AEP
2 stops28h 25m
Multiple Airlines
Mon 4/208:05 pm
AEP
- SAN
2 stops41h 44m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,280
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:15 am
SAN
- AEP
2 stops21h 25m
Delta
Thu 5/148:05 pm
AEP
- SAN
2 stops19h 11m
Delta
Deal found 3/23![Delta logo]()
$1,297
This KAYAK deal was found by Cheapflights users on 3/18. 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 8/232:00 pm
SAN
- EZE
1 stop15h 45m
LATAM Airlines
Wed 9/24:45 pm
EZE
- SAN
2 stops29h 38m
LATAM Airlines
Deal found 3/18![LATAM Airlines logo]()
$977
This Copa Airlines deal was found by Cheapflights users on 3/19. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:45 pm
SAN
- EZE
2 stops25h 45m
Copa Airlines
Sat 5/92:17 am
EZE
- SAN
1 stop20h 13m
Copa Airlines
Deal found 3/19![Copa Airlines logo]()
$1,005
This Copa Airlines deal was found by Cheapflights users on 3/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 pm
SAN
- EZE
2 stops26h 50m
Copa Airlines
Fri 4/245:34 am
EZE
- SAN
1 stop16h 56m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$1,028
This LATAM Airlines deal was found by Cheapflights users on 3/22. 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 5/287:30 am
SAN
- EZE
2 stops24h 00m
LATAM Airlines
Mon 6/18:10 pm
EZE
- SAN
1 stop17h 33m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$1,081
This Copa Airlines deal was found by Cheapflights users on 3/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:20 pm
SAN
- EZE
2 stops26h 30m
Copa Airlines
Sun 4/193:52 am
EZE
- SAN
1 stop18h 38m
Copa Airlines
Deal found 3/21![Copa Airlines logo]()
$1,028
This Mytrip deal was found by Cheapflights users on 3/22. 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 6/101:15 pm
SAN
- AEP
3 stops35h 05m
Multiple Airlines
Thu 6/185:45 am
AEP
- SAN
3 stops33h 50m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,382
This Delta deal was found by Cheapflights users on 3/20. 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 4/206:15 am
SAN
- AEP
2 stops21h 25m
Delta
Mon 5/113:45 pm
AEP
- SAN
2 stops24h 53m
Delta
Deal found 3/20![Delta logo]()
$1,397
This KAYAK deal was found by Cheapflights users on 3/18. 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 9/16:15 am
SAN
- AEP
2 stops21h 25m
LATAM Airlines
Wed 9/308:05 pm
AEP
- SAN
2 stops20h 40m
LATAM Airlines
Deal found 3/18![LATAM Airlines logo]()
$1,189
This Copa Airlines deal was found by Cheapflights users on 3/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:32 pm
SAN
- EZE
2 stops24h 20m
Copa Airlines
Wed 6/105:25 am
EZE
- SAN
1 stop17h 15m
Copa Airlines
Deal found 3/18![Copa Airlines logo]()
$1,102
This Mytrip deal was found by Cheapflights users on 3/19. 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 5/124:55 pm
SAN
- AEP
3 stops32h 45m
Multiple Airlines
Mon 5/187:00 am
AEP
- SAN
2 stops33h 18m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,466
This Copa Airlines deal was found by Cheapflights users on 3/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:00 pm
SAN
- EZE
2 stops27h 51m
Copa Airlines
Tue 9/112:10 am
EZE
- SAN
1 stop22h 20m
Copa Airlines
Deal found 3/18![Copa Airlines logo]()
$1,108
This LATAM Airlines deal was found by Cheapflights users on 3/19. 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 8/102:00 pm
SAN
- AEP
2 stops22h 00m
LATAM Airlines
Tue 8/258:05 pm
AEP
- SAN
2 stops26h 49m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$1,247
This Expedia deal was found by Cheapflights users on 3/20. 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.
Fri 4/1710:02 pm
SAN
- AEP
2 stops27h 38m
Multiple Airlines
Fri 4/245:05 pm
AEP
- SAN
2 stops33h 31m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$1,472
This Copa Airlines deal was found by Cheapflights users on 3/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:00 pm
SAN
- EZE
1 stop22h 52m
Copa Airlines
Tue 7/2112:10 am
EZE
- SAN
1 stop22h 20m
Copa Airlines
Deal found 3/18![Copa Airlines logo]()
$1,126
This Copa Airlines deal was found by Cheapflights users on 3/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:45 pm
SAN
- EZE
2 stops24h 05m
Copa Airlines
Sun 5/105:25 am
EZE
- SAN
1 stop17h 05m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$1,143
This Rumbo deal was found by Cheapflights users on 3/22. 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.
Tue 7/286:20 am
SAN
- AEP
2 stops22h 10m
LATAM Airlines
Sun 8/98:05 pm
AEP
- SAN
2 stops30h 50m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$1,449
This KAYAK deal was found by Cheapflights users on 3/20. 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 4/88:00 am
SAN
- AEP
2 stops19h 40m
LATAM Airlines
Sun 4/198:05 pm
AEP
- SAN
2 stops26h 34m
LATAM Airlines
Deal found 3/20![LATAM Airlines logo]()
$1,449
Last-minute flights from San Diego to Buenos AiresDiscover last-minute flight deals from San Diego to Buenos Aires. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Buenos Aires. Data last updated March 23, 2026 and is based on user searches.
This Sembo deal was found by Cheapflights users on 3/18. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:18 pm
SAN
- EZE
1 stop23h 44m
Copa Airlines
Sun 4/53:52 am
EZE
- SAN
1 stop18h 38m
Copa Airlines
Deal found 3/18![Copa Airlines logo]()
$930
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/89:18 pm
SAN
- EZE
1 stop21h 07m
Multiple Airlines
Fri 4/178:00 am
EZE
- SAN
2 stops43h 06m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$1,055
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Tue 4/143:15 pm
SAN
- EZE
2 stops26h 10m
Aeromexico
Tue 5/511:25 pm
EZE
- SAN
2 stops19h 25m
Aeromexico
Deal found 3/20![Aeromexico logo]()
$1,029
This FlightHub deal was found by Cheapflights users on 3/18. 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 4/153:15 pm
SAN
- EZE
2 stops26h 10m
Aeromexico
Tue 5/511:25 pm
EZE
- SAN
2 stops19h 25m
Aeromexico
Deal found 3/18![Aeromexico logo]()
$812
This Copa Airlines deal was found by Cheapflights users on 3/19. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:20 pm
SAN
- EZE
2 stops26h 30m
Copa Airlines
Tue 5/52:17 am
EZE
- SAN
1 stop20h 13m
Copa Airlines
Deal found 3/19![Copa Airlines logo]()
$1,005
This Copa Airlines deal was found by Cheapflights users on 3/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:20 pm
SAN
- EZE
2 stops26h 30m
Copa Airlines
Sun 4/193:52 am
EZE
- SAN
1 stop18h 38m
Copa Airlines
Deal found 3/21![Copa Airlines logo]()
$1,028
This Orbitz deal was found by Cheapflights users on 3/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:15 pm
SAN
- AEP
2 stops28h 25m
Multiple Airlines
Mon 4/208:05 pm
AEP
- SAN
2 stops41h 44m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,280
This Copa Airlines deal was found by Cheapflights users on 3/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:18 pm
SAN
- EZE
1 stop23h 32m
Copa Airlines
Thu 4/2312:14 am
EZE
- SAN
1 stop22h 16m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$725
This SmartFares deal was found by Cheapflights users on 3/20. 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 4/203:15 pm
SAN
- EZE
2 stops50h 10m
Aeromexico
Mon 5/1111:25 pm
EZE
- SAN
2 stops27h 50m
Aeromexico
Deal found 3/20![Aeromexico logo]()
$738
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 4/209:18 pm
SAN
- EZE
1 stop30h 37m
Copa Airlines
Sun 5/102:17 am
EZE
- SAN
1 stop20h 13m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$778
This Aeromexico deal was found by Cheapflights users on 3/18. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:20 am
SAN
- EZE
2 stops35h 05m
Aeromexico
Thu 4/3011:25 pm
EZE
- SAN
2 stops27h 11m
Aeromexico
Deal found 3/18![Aeromexico logo]()
$807
This Expedia deal was found by Cheapflights users on 3/21. 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.
Tue 4/2110:05 am
SAN
- EZE
2 stops55h 20m
Aeromexico
Sun 4/2611:25 pm
EZE
- SAN
2 stops43h 25m
Aeromexico
Deal found 3/21![Aeromexico logo]()
$1,044
One-way flights from San Diego to Buenos AiresSearch for one-way flight options from San Diego to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from San Diego to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Copa Airlines deal was found by Cheapflights users on 3/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:03 pm
SAN
- EZE
1 stop21h 23m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/119:28 pm
SAN
- AEP
3 stops50h 52m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/106:25 am
SAN
- EZE
3 stops45h 30m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/812:00 pm
SAN
- AEP
3 stops40h 30m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/98:47 am
SAN
- EZE
3 stops37h 58m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/812:00 pm
SAN
- EZE
3 stops34h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$466
This Copa Airlines deal was found by Cheapflights users on 3/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:00 pm
SAN
- EZE
1 stop24h 30m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/712:00 pm
SAN
- EZE
3 stops39h 55m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 4/59:18 pm
SAN
- EZE
1 stop30h 37m
Copa Airlines
Deal found 3/19![Copa Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 9/167:00 am
SAN
- EZE
3 stops40h 00m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 9/168:10 am
SAN
- AEP
3 stops43h 40m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/712:00 pm
SAN
- AEP
3 stops36h 20m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$528
Find flight deals from San Diego to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $686 (eDestinos) |
One-way from | $441 (Copa Airlines) |
Popular in | April |
Cheapest in | September |
Average price | $1,181 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 23, 2026.
Use the filters below to find and compare flights from San Diego to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Mon 5/4
10:00 pm-10:25 pm
1 stop20h 25m
Buenos Aires Ministro Pistarini
Mon 5/11
5:25 am-6:30 pm
1 stop17h 05m
$725
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Mon 8/3
7:30 pm-9:25 pm
2 stops21h 55m
Buenos Aires Ministro Pistarini
Wed 8/19
11:25 pm-6:54 pm
2 stops23h 29m
$849
San DiegoBuenos Aires
SAN - AEP
SANAEP
San Diego
Thu 5/28
6:15 am-8:30 am
2 stops22h 15m
Buenos Aires Jorge Newbery
Mon 6/1
5:00 pm-11:51 am
2 stops22h 51m
$967
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Sun 8/23
2:00 pm-9:45 am
1 stop15h 45m
Buenos Aires Ministro Pistarini
Wed 9/2
4:45 pm-6:23 pm
2 stops29h 38m
$977
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Sun 5/3
8:45 pm-2:30 am
2 stops25h 45m
Buenos Aires Ministro Pistarini
Sat 5/9
2:17 am-6:30 pm
1 stop20h 13m
$1,005
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Fri 4/17
7:40 pm-2:30 am
2 stops26h 50m
Buenos Aires Ministro Pistarini
Fri 4/24
5:34 am-6:30 pm
1 stop16h 56m
$1,028
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Wed 4/15
6:20 pm-12:50 am
2 stops26h 30m
Buenos Aires Ministro Pistarini
Sun 4/19
3:52 am-6:30 pm
1 stop18h 38m
$1,028
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Thu 5/28
7:30 am-11:30 am
2 stops24h 00m
Buenos Aires Ministro Pistarini
Mon 6/1
8:10 pm-9:43 am
1 stop17h 33m
$1,081
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Tue 6/2
8:32 pm-12:52 am
2 stops24h 20m
Buenos Aires Ministro Pistarini
Wed 6/10
5:25 am-6:40 pm
1 stop17h 15m
$1,102
San DiegoBuenos Aires
SAN - EZE
SANEZE
San Diego
Sun 8/23
5:00 pm-12:51 am
2 stops27h 51m
Buenos Aires Ministro Pistarini
Tue 9/1
12:10 am-6:30 pm
1 stop22h 20m
$1,108
Showing 1-10 of 36 resultsSorted by cheapest first
Compare providers for flights from San Diego to Buenos Aires
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Buenos Aires in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Diego-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 Diego-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-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 Diego-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 Diego to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Diego with our price prediction graph.
SAN-BUE
SAN-EZE
SAN-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 Diego to Buenos Aires
SAN-BUE
SAN-EZE
SAN-AEP
How far ahead should I book a flight from San Diego to Buenos Aires?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Buenos Aires. Price data was last updated on March 13, 2026.
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Diego to Buenos Aires?
Currently, September is the cheapest month in which you can book a flight from San Diego to Buenos Aires (average of $580). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,089). 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.
How much does it cost to fly round-trip from San Diego to Buenos Aires?
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 23, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andLATAM Airlines from San Diego to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Complete your trip
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Alternative routes for San Diego 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 23, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Buenos Aires by cabin class
Find flights from San Diego to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Buenos Aires flights
Browse other San Diego and Buenos Aires flight options. Last updated on March 23, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Diego to Buenos Aires
Discover the top 4 airlines that operate flights from San Diego 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$794 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$854 | Average$1,265 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$975 | Average$1,200 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,009 | Average$1,241 | FlexibilityNo cancel fee | On-time69% |