$198+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Oct 8 — Oct 151
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 8, 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 8, 2026.
This Booking.com deal was found by Cheapflights users on 9/5. 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.
Mon 11/1610:09 am -
1 stop16h 14m
Mon 12/79:15 pm -
1 stop13h 04m
Deal found 9/5![Arajet logo]()
$580
This Booking.com deal was found by Cheapflights users on 9/3. 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 stop16h 14m
Mon 12/79:15 pm -
1 stop13h 04m
Deal found 9/3![Arajet logo]()
$597
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Tue 10/64:30 pm -
1 stop10h 15m
Tue 10/1311:00 am -
1 stop28h 34m
Deal found 9/3![Arajet logo]()
$601
This Gotogate deal was found by Cheapflights users on 9/2. 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 Gotogate 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 9/2![Arajet logo]()
$604
This Arajet deal was found by Cheapflights users on 9/5. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
1 stop26h 45m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/5![Arajet logo]()
$607
This Booking.com deal was found by Cheapflights users on 9/3. 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 12/1410:09 am -
1 stop16h 14m
Mon 12/219:15 pm -
1 stop13h 04m
Deal found 9/3![Arajet logo]()
$611
This Arajet deal was found by Cheapflights users on 9/4. 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.
Wed 12/24:28 pm -
1 stop12h 42m
Mon 12/79:15 pm -
1 stop13h 04m
Deal found 9/4![Arajet logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/95:50 pm -
1 stop24h 50m
Tue 10/1311:00 am -
1 stop28h 34m
Deal found 9/3![Arajet logo]()
$645
This Arajet deal was found by Cheapflights users on 9/3. 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 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 11/41:05 am -
1 stop14h 49m
Deal found 9/3![Arajet logo]()
$650
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:28 pm -
2 stops24h 52m
Wed 1/64:38 pm -
2 stops23h 16m
Deal found 9/2![Multiple Airlines logo]()
$754
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Fri 10/305:50 pm -
2 stops15h 11m
Wed 11/1110:10 pm -
2 stops18h 00m
Deal found 9/5![Multiple Airlines logo]()
$785
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Tue 10/206:35 pm -
2 stops20h 25m
Tue 10/2711:50 am -
3 stops27h 44m
Deal found 9/5![Multiple Airlines logo]()
$798
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 8, 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 8, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 9/215:33 am -
1 stop19h 57m
Thu 10/82:49 pm -
1 stop26h 25m
Deal found 9/4![Copa Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:59 pm -
1 stop14h 46m
Tue 9/221:10 pm -
2 stops25h 35m
Deal found 9/5![Delta logo]()
$784
This Arajet deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:09 am -
1 stop16h 14m
Sat 11/1411:00 am -
1 stop28h 30m
Deal found 9/7![Arajet logo]()
$860
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:35 pm -
2 stops36h 45m
Sun 12/611:55 pm -
2 stops40h 45m
Deal found 9/7![United Airlines logo]()
$914
This Copa Airlines deal was found by Cheapflights users on 9/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:33 am -
1 stop22h 03m
Tue 9/222:49 pm -
1 stop26h 25m
Deal found 9/3![Copa Airlines logo]()
$767
This Copa Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 9/136:16 pm -
1 stop29h 35m
Wed 9/233:48 am -
1 stop13h 26m
Deal found 9/4![Copa Airlines logo]()
$767
This Copa Airlines deal was found by Cheapflights users on 9/6. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:16 pm -
1 stop29h 35m
Mon 10/52:49 pm -
1 stop26h 25m
Deal found 9/6![Copa Airlines logo]()
$795
This Copa Airlines deal was found by Cheapflights users on 9/6. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:33 am -
1 stop21h 48m
Fri 9/253:48 am -
1 stop19h 41m
Deal found 9/6![Copa Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 9/3. 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 11/58:15 am -
2 stops22h 25m
Sun 11/225:35 pm -
2 stops20h 02m
Deal found 9/3![Delta logo]()
$1,588
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 11/68:15 am -
2 stops28h 45m
Sun 11/225:35 pm -
2 stops20h 02m
Deal found 9/3![Delta logo]()
$1,628
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:56 pm -
2 stops19h 44m
Mon 9/2112:55 pm -
2 stops25h 50m
Deal found 9/7![Delta logo]()
$3,712
This Delta deal was found by Cheapflights users on 9/4. 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 10/131:15 pm -
2 stops21h 45m
Thu 10/226:20 pm -
2 stops23h 29m
Deal found 9/4![Delta logo]()
$4,033
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 11/271:49 pm -
2 stops23h 11m
Sun 12/66:20 pm -
2 stops21h 30m
Deal found 9/6![Delta logo]()
$4,093
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:59 pm -
2 stops22h 01m
Tue 10/276:20 pm -
2 stops20h 29m
Deal found 9/5![Delta logo]()
$4,395
This Delta deal was found by Cheapflights users on 9/3. 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 9/171:16 pm -
2 stops21h 44m
Tue 9/2212:55 pm -
2 stops25h 50m
Deal found 9/3![Delta logo]()
$4,430
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 11/134:10 pm -
2 stops20h 50m
Sat 11/286:20 pm -
2 stops21h 35m
Deal found 9/3![Delta logo]()
$4,436
This Delta deal was found by Cheapflights users on 9/4. 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.
Sun 9/1312:56 pm -
2 stops22h 04m
Thu 9/246:20 pm -
2 stops20h 25m
Deal found 9/4![Delta logo]()
$4,637
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:10 pm -
2 stops20h 50m
Sun 11/294:40 pm -
2 stops20h 57m
Deal found 9/7![Delta logo]()
$4,643
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 10/271:15 pm -
2 stops23h 45m
Tue 11/36:20 pm -
2 stops24h 29m
Deal found 9/3![Delta logo]()
$4,855
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated September 8, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Tue 10/64:30 pm -
1 stop10h 15m
Tue 10/1311:00 am -
1 stop28h 34m
Deal found 9/3![Arajet logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/95:50 pm -
1 stop24h 50m
Tue 10/1311:00 am -
1 stop28h 34m
Deal found 9/3![Arajet logo]()
$645
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Fri 10/165:50 pm -
2 stops20h 58m
Sat 10/2411:55 am -
3 stops27h 35m
Deal found 9/5![Multiple Airlines logo]()
$813
This Arajet deal was found by Cheapflights users on 9/5. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
1 stop26h 45m
Wed 11/410:05 pm -
1 stop17h 49m
Deal found 9/5![Arajet logo]()
$607
This Arajet deal was found by Cheapflights users on 9/5. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
1 stop26h 45m
Tue 10/2711:00 am -
1 stop28h 34m
Deal found 9/5![Arajet logo]()
$653
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Tue 10/206:35 pm -
2 stops20h 25m
Tue 10/2711:50 am -
3 stops27h 44m
Deal found 9/5![Multiple Airlines logo]()
$798
This Gotogate deal was found by Cheapflights users on 9/2. 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 Gotogate 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 9/2![Arajet logo]()
$604
This Arajet deal was found by Cheapflights users on 9/3. 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 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 11/41:05 am -
1 stop14h 49m
Deal found 9/3![Arajet logo]()
$650
This Arajet deal was found by Cheapflights users on 9/3. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
1 stop24h 50m
Tue 11/38:57 am -
1 stop31h 01m
Deal found 9/3![Arajet logo]()
$656
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 10/255:59 pm -
2 stops36h 41m
Mon 11/98:05 pm -
2 stops52h 10m
Deal found 9/3![Delta logo]()
$829
This Avianca deal was found by Cheapflights users on 9/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:20 pm -
1 stop10h 20m
Wed 11/47:05 am -
1 stop10h 50m
Deal found 9/3![Avianca logo]()
$818
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Fri 10/305:50 pm -
2 stops15h 11m
Wed 11/1110:10 pm -
2 stops18h 00m
Deal found 9/5![Multiple Airlines logo]()
$785
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 8, 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 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Mon 11/1610:09 am -
1 stop16h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Arajet logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/274:00 pm -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/305:50 pm -
2 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$229
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Mon 11/210:09 am -
1 stop16h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Arajet logo]()
$235
This Trip.com deal was found by Cheapflights users on 9/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:00 pm -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$238
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Tue 10/64:30 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Arajet logo]()
$239
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Mon 11/910:09 am -
1 stop16h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Arajet logo]()
$241
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Tue 12/110:49 am -
1 stop15h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Arajet logo]()
$242
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:35 am -
1 stop18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Arajet logo]()
$243
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Mon 11/3010:09 am -
1 stop16h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Arajet logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 12/110:49 am -
2 stops32h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$253
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:24 pm -
1 stop10h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Arajet logo]()
$256
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 8, 2026.
Round-trip from | $580 (Booking.com) |
|---|---|
One-way from | $198 (Kiwi.com) |
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 8, 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
Sat 9/26
5:33 am-4:20 am
2 stops21h 47m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$332
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Fri 10/2
5:33 am-3:30 pm
3 stops32h 57m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$338
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Sat 11/7
8:50 pm-8:45 pm
2 stops46h 55m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$338
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Fri 9/25
6:16 pm-4:20 am
2 stops33h 04m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$339
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 9/29
6:16 pm-8:40 pm
3 stops25h 24m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$343
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/21
5:33 am-2:30 am
1 stop19h 57m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$345
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 9/20
6:16 pm-12:51 am
1 stop29h 35m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$345
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Sat 11/28
5:34 am-11:20 am
3 stops28h 46m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$349
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Fri 11/6
6:00 am-3:23 am
2 stops20h 23m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$361
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Sat 10/3
5:33 am-3:30 pm
3 stops32h 57m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$361
Showing 1-10 of 43 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 $585). Flying from Puerto Rico to Buenos Aires in January is currently the most expensive (average of $921). 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 8, 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
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
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.
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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Popular flights
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 8, 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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$625 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$765 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$836 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |