$278+ Cheap flights from Puerto Rico to Buenos Aires (BUE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to Buenos Aires with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to Buenos Aires
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Cheapest flights from Puerto Rico to Buenos AiresExplore the most affordable flight options available from Puerto Rico to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Puerto Rico to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Arajet deal was found by Cheapflights users on 9/21. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:24 pm -
1 stop10h 56m
Sat 12/55:35 am -
1 stop12h 04m
Deal found 9/21![Arajet logo]()
$635
This Booking.com deal was found by Cheapflights users on 9/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:49 am -
1 stop16h 31m
Wed 12/1611:10 pm -
1 stop16h 44m
Deal found 9/20![Arajet logo]()
$637
This Arajet deal was found by Cheapflights users on 9/21. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:24 pm -
1 stop10h 56m
Wed 12/911:10 pm -
1 stop16h 44m
Deal found 9/21![Arajet logo]()
$638
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:28 pm -
1 stop13h 07m
Wed 12/911:10 pm -
1 stop16h 44m
Deal found 9/21![Arajet logo]()
$647
This Arajet deal was found by Cheapflights users on 9/21. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:28 pm -
1 stop13h 07m
Sat 12/55:35 am -
1 stop12h 04m
Deal found 9/21![Arajet logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:09 am -
1 stop17h 26m
Wed 12/911:10 pm -
1 stop16h 44m
Deal found 9/21![Arajet logo]()
$657
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop24h 00m
Tue 10/69:00 pm -
1 stop24h 38m
Deal found 9/21![United Airlines logo]()
$664
This Arajet deal was found by Cheapflights users on 9/19. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:09 am -
1 stop17h 26m
Wed 11/2511:10 pm -
1 stop16h 44m
Deal found 9/19![Arajet logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/64:30 pm -
1 stop26h 45m
Tue 10/208:00 am -
2 stops31h 34m
Deal found 9/19![Multiple Airlines logo]()
$667
This Arajet deal was found by Cheapflights users on 9/21. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:24 pm -
1 stop10h 56m
Tue 12/811:00 am -
1 stop28h 58m
Deal found 9/21![Arajet logo]()
$668
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
2 stops43h 00m
Tue 12/87:20 am -
2 stops32h 00m
Deal found 9/21![Delta logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:09 am -
1 stop17h 26m
Sat 12/55:35 am -
1 stop12h 04m
Deal found 9/21![Arajet logo]()
$674
Best flights from Puerto Rico to Buenos AiresDiscover carefully curated flight deals from Puerto Rico to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Puerto Rico to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:40 am -
1 stop24h 40m
Tue 11/2410:05 pm -
1 stop24h 19m
Deal found 9/21![United Airlines logo]()
$673
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:58 pm -
2 stops18h 52m
Tue 12/84:00 am -
2 stops33h 46m
Deal found 9/21![Delta logo]()
$678
This Arajet deal was found by Cheapflights users on 9/17. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
1 stop14h 26m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/17![Arajet logo]()
$761
This Copa Airlines deal was found by Cheapflights users on 9/20. 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 10/76:16 pm -
1 stop27h 10m
Thu 10/155:25 am -
1 stop11h 49m
Deal found 9/20![Copa Airlines logo]()
$787
This Avianca deal was found by Cheapflights users on 9/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:20 pm -
1 stop10h 20m
Sun 12/207:05 am -
1 stop10h 50m
Deal found 9/17![Avianca logo]()
$1,144
This Delta deal was found by Cheapflights users on 9/17. 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 11/121:49 pm -
2 stops19h 01m
Mon 11/239:30 pm -
1 stop21h 13m
Deal found 9/17![Delta logo]()
$766
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 10/66:16 pm -
1 stop29h 35m
Thu 10/155:25 am -
1 stop11h 49m
Deal found 9/18![Copa Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/114:55 pm -
2 stops39h 25m
Wed 11/1811:55 pm -
1 stop22h 29m
Deal found 9/17![United Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
2 stops32h 00m
Sun 12/66:20 pm -
2 stops29h 53m
Deal found 9/21![Delta logo]()
$780
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:56 pm -
2 stops39h 04m
Thu 10/159:00 pm -
1 stop19h 42m
Deal found 9/21![United Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:05 am -
2 stops30h 15m
Wed 12/211:55 pm -
2 stops25h 41m
Deal found 9/21![United Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:20 pm -
2 stops22h 40m
Sat 12/55:35 pm -
2 stops30h 38m
Deal found 9/21![Delta logo]()
$887
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:20 pm -
2 stops22h 40m
Sun 12/66:20 pm -
2 stops29h 53m
Deal found 9/21![Delta logo]()
$887
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:59 pm -
2 stops21h 01m
Fri 11/135:35 pm -
2 stops44h 07m
Deal found 9/19![Delta logo]()
$1,165
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:50 pm -
2 stops26h 10m
Thu 11/128:05 pm -
2 stops52h 10m
Deal found 9/19![Delta logo]()
$1,165
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:55 pm -
2 stops41h 45m
Mon 11/168:05 pm -
2 stops46h 38m
Deal found 9/18![Delta logo]()
$1,313
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:15 am -
2 stops47h 25m
Wed 11/118:40 am -
2 stops34h 03m
Deal found 9/19![Delta logo]()
$1,341
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 am -
2 stops31h 45m
Mon 11/95:35 pm -
2 stops54h 40m
Deal found 9/19![Delta logo]()
$1,341
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:15 am -
2 stops31h 45m
Mon 11/168:05 pm -
2 stops46h 38m
Deal found 9/18![Delta logo]()
$1,373
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:59 pm -
2 stops41h 01m
Fri 11/205:35 pm -
2 stops54h 40m
Deal found 9/18![Delta logo]()
$1,401
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:15 am -
2 stops47h 25m
Sun 11/158:40 am -
2 stops28h 57m
Deal found 9/18![Delta logo]()
$1,411
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated September 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:00 am -
2 stops30h 00m
Tue 9/299:00 pm -
1 stop19h 42m
Deal found 9/21![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop24h 00m
Tue 10/69:00 pm -
1 stop24h 38m
Deal found 9/21![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop24h 00m
Thu 10/19:00 pm -
1 stop24h 38m
Deal found 9/20![United Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/64:30 pm -
1 stop26h 45m
Tue 10/208:00 am -
2 stops31h 34m
Deal found 9/19![Multiple Airlines logo]()
$667
This Arajet deal was found by Cheapflights users on 9/18. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:30 pm -
1 stop30h 35m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/18![Arajet logo]()
$726
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/223:04 am -
2 stops23h 19m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/17![Multiple Airlines logo]()
$740
This Arajet deal was found by Cheapflights users on 9/18. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
1 stop14h 26m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/18![Arajet logo]()
$733
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
1 stop14h 26m
Wed 11/41:05 am -
1 stop14h 49m
Deal found 9/17![Arajet logo]()
$752
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
1 stop15h 35m
Mon 11/167:00 pm -
2 stops15h 19m
Deal found 9/18![Multiple Airlines logo]()
$830
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:00 pm -
1 stop10h 45m
Fri 10/305:16 pm -
2 stops27h 44m
Deal found 9/21![Multiple Airlines logo]()
$744
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:20 pm -
1 stop10h 20m
Fri 10/3011:18 am -
2 stops33h 42m
Deal found 9/21![Multiple Airlines logo]()
$809
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:04 pm -
1 stop13h 41m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/17![Arajet logo]()
$758
One-way flights from Puerto Rico to Buenos AiresSearch for one-way flight options from Puerto Rico to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Puerto Rico to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Expedia deal was found by Cheapflights users on 9/20. 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.
Mon 11/3010:09 am -
1 stop17h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Arajet logo]()
$278
This Booking.com deal was found by Cheapflights users on 9/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:30 pm -
1 stop30h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Arajet logo]()
$291
This Trip.com deal was found by Cheapflights users on 9/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:30 pm -
2 stops24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$299
This Trip.com deal was found by Cheapflights users on 9/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:00 pm -
2 stops28h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:00 pm -
3 stops51h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:24 pm -
2 stops35h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$312
This Jetabroad deal was found by Cheapflights users on 9/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:00 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Arajet logo]()
$317
This Trip.com deal was found by Cheapflights users on 9/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:30 pm -
2 stops24h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:24 pm -
2 stops27h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$329
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:49 am -
1 stop15h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Arajet logo]()
$330
This Booking.com deal was found by Cheapflights users on 9/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:00 pm -
1 stop31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Arajet logo]()
$351
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:00 pm -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Arajet logo]()
$361
Find flight deals from Puerto Rico to Buenos Aires
Keep the following information in mind while searching for Puerto Rico to Buenos Aires flight deals. Data was last updated September 23, 2026.
Round-trip from | $635 (Arajet) |
|---|---|
One-way from | $278 (Expedia) |
Popular in | February |
Cheapest in | May |
Average price | $637 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Puerto Rico to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 11/30
10:09 am-4:35 am
1 stop17h 26m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$278
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 10/6
4:30 pm-12:05 am
1 stop30h 35m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$291
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 10/6
4:30 pm-5:40 pm
2 stops24h 10m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$299
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Fri 10/23
5:50 pm-9:16 am
1 stop14h 26m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$364
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 11/10
10:49 am-11:00 am
2 stops23h 11m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$366
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Fri 10/23
5:50 pm-11:28 pm
2 stops28h 38m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$370
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 11/19
4:24 pm-3:45 am
1 stop10h 21m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$378
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 12/13
6:09 pm-3:15 am
2 stops32h 06m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$385
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 10/19
12:59 am-3:00 am
3 stops25h 01m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$389
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 11/10
5:34 am-7:00 am
3 stops24h 26m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$408
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Puerto Rico with our price prediction graph.
SJU-EZE
SJU-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 Puerto Rico to Buenos Aires
PR0-BUE
SJU-EZE
SJU-AEP
What is the cheapest month to book a flight from Puerto Rico to Buenos Aires?
Currently, September is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $580). Flying from Puerto Rico to Buenos Aires in January is currently the most expensive (average of $929). 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 far ahead should I book a flight from Puerto Rico to Buenos Aires?
The best time to book flights from Puerto Rico to Buenos Aires is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 September 23, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andAmerican Airlines from Puerto Rico to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico 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
Buenos Aires flight routes
Complete your trip
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Alternative routes for Puerto Rico to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
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 September 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 Puerto Rico to Buenos Aires by cabin class
Find flights from Puerto Rico to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Puerto Rico and Buenos Aires flights
Browse other Puerto Rico and Buenos Aires flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Puerto Rico to Buenos Aires
Discover the top 4 airlines that operate flights from Puerto Rico 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$627 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$767 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$841 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |