$284+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Nov 6 — Nov 131
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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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 October 7, 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 October 7, 2026.
This Arajet deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 12/110:49 am -
1 stop16h 31m
Wed 12/911:10 pm -
1 stop16h 44m
Deal found 10/4![Arajet logo]()
$659
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 10/103:56 pm -
2 stops39h 04m
Thu 10/229:00 pm -
2 stops39h 57m
Deal found 10/4![United Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 12/23:35 pm -
1 stop17h 05m
Mon 12/73:10 pm -
2 stops22h 36m
Deal found 10/6![Delta logo]()
$674
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 12/71:58 pm -
2 stops25h 02m
Sat 12/123:50 pm -
2 stops32h 23m
Deal found 10/4![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/64:55 pm -
2 stops38h 05m
Tue 10/209:00 pm -
1 stop24h 38m
Deal found 10/6![United Airlines logo]()
$678
This Mytrip deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/114:28 pm -
3 stops27h 12m
Wed 12/211:50 am -
3 stops28h 04m
Deal found 10/4![Multiple Airlines logo]()
$680
This Booking.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 12/24:28 pm -
1 stop13h 07m
Sat 12/1211:00 am -
1 stop10h 00m
Deal found 10/5![Arajet logo]()
$686
This Mytrip deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 11/126:20 pm -
2 stops32h 50m
Wed 12/25:10 pm -
2 stops22h 44m
Deal found 10/5![Multiple Airlines logo]()
$693
This Arajet deal was found by Cheapflights users on 10/6. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:09 am -
1 stop17h 26m
Wed 12/1611:10 pm -
1 stop16h 44m
Deal found 10/6![Arajet logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 12/64:00 pm -
1 stop12h 00m
Wed 12/1611:10 pm -
1 stop16h 44m
Deal found 10/4![Arajet logo]()
$717
This Booking.com deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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.
Mon 11/3010:09 am -
1 stop17h 26m
Wed 12/911:10 pm -
1 stop16h 44m
Deal found 10/3![Arajet logo]()
$720
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 10/82:55 pm -
1 stop16h 05m
Tue 10/139:00 pm -
1 stop19h 42m
Deal found 10/6![United Airlines logo]()
$724
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 October 7, 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 October 7, 2026.
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 12/77:00 am -
2 stops25h 50m
Sat 12/1212:20 pm -
2 stops27h 00m
Deal found 10/4![Delta logo]()
$678
This Arajet deal was found by Cheapflights users on 10/6. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/13:20 pm -
1 stop12h 15m
Wed 3/1011:10 pm -
1 stop16h 44m
Deal found 10/6![Arajet logo]()
$771
This Copa Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/115:34 am -
1 stop18h 37m
Tue 12/12:02 am -
1 stop15h 06m
Deal found 10/4![Copa Airlines logo]()
$787
This Avianca deal was found by Cheapflights users on 10/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:50 pm -
1 stop15h 50m
Mon 12/147:05 am -
1 stop29h 20m
Deal found 10/6![Avianca logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 11/242:05 am -
2 stops54h 15m
Mon 11/3010:05 pm -
2 stops51h 31m
Deal found 10/5![United Airlines logo]()
$888
This Arajet deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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.
Sun 3/74:00 pm -
1 stop29h 05m
Fri 3/2611:05 pm -
1 stop21h 55m
Deal found 10/2![Arajet logo]()
$775
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 12/97:00 am -
2 stops32h 00m
Mon 12/143:50 pm -
2 stops32h 23m
Deal found 10/4![Delta logo]()
$781
This Copa Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 11/76:17 pm -
1 stop28h 50m
Sun 11/223:40 am -
1 stop13h 29m
Deal found 10/2![Copa Airlines logo]()
$869
This Arajet deal was found by Cheapflights users on 10/6. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:24 pm -
1 stop10h 21m
Sat 12/192:45 am -
1 stop12h 45m
Deal found 10/6![Arajet logo]()
$799
This Justfly.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 pm -
1 stop33h 20m
Sun 11/87:05 am -
1 stop10h 50m
Deal found 10/2![Multiple Airlines logo]()
$1,762
This Delta deal was found by Cheapflights users on 10/6. 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.
Sat 12/56:59 pm -
1 stop35h 36m
Tue 12/159:30 pm -
1 stop21h 08m
Deal found 10/6![Delta logo]()
$831
This Copa Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 10/235:33 am -
1 stop20h 42m
Thu 11/511:07 pm -
2 stops18h 02m
Deal found 10/5![Copa Airlines logo]()
$891
This Delta deal was found by Cheapflights users on 10/6. 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.
Mon 12/71:58 pm -
2 stops40h 42m
Tue 12/153:50 pm -
2 stops26h 48m
Deal found 10/6![Delta logo]()
$831
This Avianca deal was found by Cheapflights users on 10/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 pm -
1 stop10h 20m
Fri 12/187:05 am -
1 stop29h 20m
Deal found 10/6![Avianca logo]()
$1,029
This Delta deal was found by Cheapflights users on 10/6. 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.
Mon 12/71:58 pm -
2 stops18h 52m
Mon 12/1412:20 pm -
2 stops27h 00m
Deal found 10/6![Delta logo]()
$835
This Avianca deal was found by Cheapflights users on 10/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:20 pm -
1 stop10h 20m
Fri 12/187:05 am -
1 stop29h 20m
Deal found 10/6![Avianca logo]()
$1,029
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 12/11:58 pm -
2 stops18h 42m
Wed 12/98:05 pm -
2 stops19h 15m
Deal found 10/4![Delta logo]()
$1,519
This Delta deal was found by Cheapflights users on 10/6. 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.
Mon 12/71:58 pm -
2 stops23h 02m
Wed 12/168:05 pm -
2 stops19h 15m
Deal found 10/6![Delta logo]()
$2,574
This Delta deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 12/241:09 pm -
2 stops19h 31m
Tue 1/58:05 pm -
2 stops19h 26m
Deal found 10/3![Delta logo]()
$3,616
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 11/161:52 pm -
2 stops18h 48m
Tue 11/246:20 pm -
2 stops21h 45m
Deal found 10/2![Delta logo]()
$3,713
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/102:10 pm -
2 stops22h 50m
Wed 11/186:20 pm -
2 stops21h 45m
Deal found 10/4![Delta logo]()
$3,742
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated October 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/62:55 pm -
1 stop16h 05m
Tue 10/209:00 pm -
1 stop19h 42m
Deal found 10/6![United Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/6. 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 10/76:45 pm -
2 stops36h 15m
Thu 10/159:00 pm -
2 stops39h 57m
Deal found 10/6![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 10/82:55 pm -
1 stop16h 05m
Tue 10/139:00 pm -
1 stop19h 42m
Deal found 10/6![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 10/6. 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 10/812:50 pm -
1 stop19h 55m
Tue 10/131:10 pm -
2 stops25h 39m
Deal found 10/6![Delta logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 10/104:55 pm -
2 stops38h 05m
Tue 10/209:00 pm -
1 stop19h 42m
Deal found 10/4![United Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 10/134:30 pm -
1 stop10h 15m
Tue 10/202:30 pm -
2 stops25h 04m
Deal found 10/4![Multiple Airlines logo]()
$726
This Avianca deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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.
Fri 10/236:35 pm -
1 stop10h 05m
Wed 11/47:25 am -
1 stop10h 30m
Deal found 10/2![Avianca logo]()
$765
This Avianca deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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.
Fri 10/236:35 pm -
1 stop10h 05m
Tue 11/37:25 am -
1 stop10h 30m
Deal found 10/2![Avianca logo]()
$775
This Mytrip deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/114:28 pm -
3 stops27h 12m
Wed 12/211:50 am -
3 stops28h 04m
Deal found 10/4![Multiple Airlines logo]()
$680
This Mytrip deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 11/126:20 pm -
2 stops32h 50m
Wed 12/25:10 pm -
2 stops22h 44m
Deal found 10/5![Multiple Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:53 pm -
2 stops17h 47m
Tue 11/249:30 pm -
1 stop14h 11m
Deal found 10/2![American Airlines logo]()
$734
This Booking.com deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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.
Mon 11/3010:09 am -
1 stop17h 26m
Wed 12/911:10 pm -
1 stop16h 44m
Deal found 10/3![Arajet logo]()
$720
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 October 7, 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 October 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 3/174:28 pm -
1 stop16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Arajet logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 10/304:52 pm -
2 stops37h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 10/304:52 pm -
3 stops37h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/184:24 pm -
2 stops35h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 10/5![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/214:00 pm -
2 stops34h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 1/85:30 am -
2 stops20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 11/66:17 pm -
2 stops33h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 10/256:09 pm -
2 stops32h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 10/233:04 am -
2 stops27h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 11/310:49 am -
3 stops32h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” 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 2/173:20 pm -
3 stops23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$355
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 October 7, 2026.
Round-trip from | $639 (Booking.com) |
|---|---|
One-way from | $284 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $767 |
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 October 7, 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 - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 12/9
4:28 pm-4:20 am
2 stops34h 52m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$334
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 11/25
8:28 am-5:05 am
2 stops19h 37m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$353
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 11/3
10:49 am-8:40 pm
3 stops32h 51m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$360
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Thu 10/29
6:00 am-10:58 pm
3 stops39h 58m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$384
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 11/4
6:17 pm-4:20 am
2 stops33h 03m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$387
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Fri 10/30
6:16 pm-8:40 pm
3 stops25h 24m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$390
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 10/28
5:14 pm-7:30 am
2 stops37h 16m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$392
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 2/14
6:09 pm-3:15 am
2 stops32h 06m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$408
Quickest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 2/18
4:24 pm-3:45 am
1 stop10h 21m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$413
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sat 1/23
7:30 am-9:40 am
1 stop25h 10m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$419
Showing 1-10 of 39 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 $945). 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 October 7, 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.
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
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.
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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 October 7, 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 October 7, 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 October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$627 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$768 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$842 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |