$156+ Cheap flights from Puerto Rico to Buenos Aires (BUE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Aug 26 — Sep 21
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 July 27, 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 July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Wed 9/234:45 am
EZE
- SJU
1 stop10h 49m
Arajet
Deal found 7/24![Arajet logo]()
$407
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Mon 10/59:15 pm
EZE
- SJU
1 stop18h 45m
Arajet
Deal found 7/22![Arajet logo]()
$418
This CheapOair deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Sat 9/196:35 am
EZE
- SJU
1 stop11h 04m
Arajet
Deal found 7/25![Arajet logo]()
$423
This Orbitz deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Wed 9/304:45 am
EZE
- SJU
1 stop10h 49m
Arajet
Deal found 7/26![Arajet logo]()
$454
This CheapOair deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:50 pm
SJU
- EZE
1 stop11h 55m
Arajet
Fri 8/284:45 am
EZE
- SJU
1 stop12h 35m
Arajet
Deal found 7/23![Arajet logo]()
$474
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Wed 9/94:00 am
EZE
- SJU
1 stop11h 34m
Arajet
Deal found 7/22![Arajet logo]()
$495
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm
SJU
- EZE
1 stop13h 41m
Multiple Airlines
Tue 9/298:50 am
EZE
- SJU
3 stops30h 44m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$522
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Sat 9/266:35 am
EZE
- SJU
1 stop11h 04m
Arajet
Deal found 7/22![Arajet logo]()
$525
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm
SJU
- AEP
2 stops25h 00m
Multiple Airlines
Tue 9/2910:10 pm
AEP
- SJU
2 stops17h 24m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$600
This Avianca deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/11:05 pm
SJU
- AEP
1 stop15h 35m
Avianca
Sat 9/267:00 am
AEP
- SJU
1 stop11h 10m
Avianca
Deal found 7/26![Avianca logo]()
$765
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/316:35 pm
SJU
- AEP
3 stops29h 36m
Multiple Airlines
Thu 9/1710:10 pm
AEP
- SJU
2 stops19h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$769
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:05 pm
SJU
- AEP
1 stop15h 35m
Avianca
Mon 10/57:00 am
AEP
- SJU
1 stop11h 10m
Avianca
Deal found 7/25![Avianca logo]()
$783
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 July 27, 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 July 27, 2026.
This Arajet deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Mon 9/282:45 am
EZE
- SJU
1 stop13h 15m
Arajet
Deal found 7/23![Arajet logo]()
$474
This Copa Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:33 am
SJU
- EZE
1 stop21h 48m
Copa Airlines
Thu 10/225:25 am
EZE
- SJU
1 stop11h 49m
Copa Airlines
Deal found 7/23![Copa Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/12:59 pm
SJU
- EZE
1 stop17h 46m
Delta
Wed 9/164:45 pm
EZE
- SJU
2 stops22h 00m
Delta
Deal found 7/25![Delta logo]()
$779
This Arajet deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/164:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Sat 9/266:35 am
EZE
- SJU
1 stop11h 04m
Arajet
Deal found 7/27![Arajet logo]()
$579
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/135:59 pm
SJU
- EZE
1 stop14h 46m
Delta
Thu 9/244:45 pm
EZE
- SJU
2 stops22h 00m
Delta
Deal found 7/25![Delta logo]()
$779
This FlightHub deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:35 pm
SJU
- AEP
1 stop33h 05m
Multiple Airlines
Sat 9/125:10 pm
AEP
- SJU
2 stops25h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$1,683
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/251:19 pm
SJU
- EZE
2 stops19h 26m
Delta
Wed 9/98:10 pm
EZE
- SJU
1 stop21h 39m
Delta
Deal found 7/26![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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
SJU
- EZE
2 stops19h 44m
Delta
Mon 9/218:10 pm
EZE
- SJU
1 stop21h 39m
Delta
Deal found 7/24![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/282:59 pm
SJU
- EZE
2 stops17h 41m
Delta
Mon 10/51:10 pm
EZE
- SJU
2 stops25h 11m
Delta
Deal found 7/24![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/112:56 pm
SJU
- AEP
2 stops19h 44m
Delta
Wed 9/166:20 pm
AEP
- SJU
2 stops23h 29m
Delta
Deal found 7/26![Delta logo]()
$1,411
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/112:56 pm
SJU
- AEP
2 stops19h 44m
Delta
Sat 9/266:20 pm
AEP
- SJU
2 stops23h 29m
Delta
Deal found 7/26![Delta logo]()
$1,497
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:56 pm
SJU
- AEP
2 stops19h 44m
Delta
Mon 9/216:20 pm
AEP
- SJU
2 stops23h 29m
Delta
Deal found 7/22![Delta logo]()
$1,757
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:56 pm
SJU
- AEP
2 stops20h 34m
Delta
Mon 8/315:00 pm
AEP
- SJU
2 stops21h 42m
Delta
Deal found 7/22![Delta logo]()
$1,759
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/1312:56 pm
SJU
- AEP
2 stops20h 34m
Delta
Wed 8/196:20 pm
AEP
- SJU
2 stops20h 22m
Delta
Deal found 7/27![Delta logo]()
$2,053
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated July 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/114:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Wed 8/264:00 am
EZE
- SJU
1 stop11h 34m
Arajet
Deal found 7/24![Arajet logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/114:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Mon 8/242:45 am
EZE
- SJU
1 stop13h 15m
Arajet
Deal found 7/24![Arajet logo]()
$563
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:05 pm
SJU
- AEP
1 stop15h 35m
Avianca
Mon 8/177:00 am
AEP
- SJU
1 stop11h 10m
Avianca
Deal found 7/22![Avianca logo]()
$765
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:05 pm
SJU
- AEP
1 stop15h 35m
Avianca
Sun 8/167:00 am
AEP
- SJU
1 stop11h 10m
Avianca
Deal found 7/22![Avianca logo]()
$788
This Travelocity deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Wed 8/264:00 am
EZE
- SJU
1 stop11h 34m
Arajet
Deal found 7/24![Arajet logo]()
$529
This CheapOair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Mon 8/242:45 am
EZE
- SJU
1 stop13h 15m
Arajet
Deal found 7/24![Arajet logo]()
$576
This Mytrip deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/146:35 pm
SJU
- AEP
2 stops25h 45m
Multiple Airlines
Fri 8/215:45 am
AEP
- SJU
2 stops30h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$815
This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Mon 9/219:15 pm
EZE
- SJU
1 stop18h 45m
Arajet
Deal found 7/22![Arajet logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:04 pm
SJU
- EZE
1 stop13h 41m
Multiple Airlines
Mon 9/213:35 pm
EZE
- SJU
2 stops24h 25m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$580
This CheapOair deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:50 pm
SJU
- EZE
1 stop11h 55m
Arajet
Fri 8/284:45 am
EZE
- SJU
1 stop12h 35m
Arajet
Deal found 7/23![Arajet logo]()
$474
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Wed 9/94:00 am
EZE
- SJU
1 stop11h 34m
Arajet
Deal found 7/22![Arajet logo]()
$495
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/316:35 pm
SJU
- AEP
3 stops29h 36m
Multiple Airlines
Thu 9/1710:10 pm
AEP
- SJU
2 stops19h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$769
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 July 27, 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 July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Deal found 7/22![Arajet logo]()
$156
This FlightHub deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm
SJU
- EZE
1 stop13h 41m
Arajet
Deal found 7/23![Arajet logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/14:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Deal found 7/25![Arajet logo]()
$211
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:30 pm
SJU
- EZE
1 stop10h 15m
Arajet
Deal found 7/27![Arajet logo]()
$235
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:50 pm
SJU
- EZE
1 stop12h 40m
Arajet
Deal found 7/23![Arajet logo]()
$262
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:03 pm
SJU
- EZE
1 stop13h 57m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/15:33 am
SJU
- AEP
2 stops21h 46m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/17:30 am
SJU
- EZE
2 stops18h 30m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$332
This Avianca deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/111:05 pm
SJU
- AEP
1 stop15h 35m
Avianca
Deal found 7/26![Avianca logo]()
$344
This Copa Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:33 am
SJU
- EZE
1 stop21h 48m
Copa Airlines
Deal found 7/22![Copa Airlines logo]()
$345
This LATAM Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:49 pm
SJU
- AEP
2 stops22h 11m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$348
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:05 pm
SJU
- AEP
1 stop15h 35m
Avianca
Deal found 7/25![Avianca logo]()
$353
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 July 27, 2026.
Round-trip from | $407 (Kiwi.com) |
|---|---|
One-way from | $156 (Kiwi.com) |
Popular in | February |
Cheapest in | May |
Average price | $742 |
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 2,558,603 searches. Data last updated July 27, 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 - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 9/2
4:04 pm-6:45 am
1 stop13h 41m
Buenos Aires Ministro Pistarini
Mon 9/28
2:45 am-3:00 pm
1 stop13h 15m
$474
Quickest round-trip
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 9/16
4:04 pm-6:45 am
1 stop13h 41m
Buenos Aires Ministro Pistarini
Sat 9/26
6:35 am-4:39 pm
1 stop11h 04m
$579
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 10/8
5:33 am-4:21 am
1 stop21h 48m
Buenos Aires Ministro Pistarini
Thu 10/22
5:25 am-4:14 pm
1 stop11h 49m
$767
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 9/1
2:59 pm-9:45 am
1 stop17h 46m
Buenos Aires Ministro Pistarini
Wed 9/16
4:45 pm-1:45 pm
2 stops22h 00m
$779
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 9/13
5:59 pm-9:45 am
1 stop14h 46m
Buenos Aires Ministro Pistarini
Thu 9/24
4:45 pm-1:45 pm
2 stops22h 00m
$779
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 8/25
1:19 pm-9:45 am
2 stops19h 26m
Buenos Aires Ministro Pistarini
Wed 9/9
8:10 pm-4:49 pm
1 stop21h 39m
$784
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/14
12:56 pm-9:40 am
2 stops19h 44m
Buenos Aires Ministro Pistarini
Mon 9/21
8:10 pm-4:49 pm
1 stop21h 39m
$784
San JuanBuenos Aires
SJU - EZE
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/28
2:59 pm-9:40 am
2 stops17h 41m
Buenos Aires Ministro Pistarini
Mon 10/5
1:10 pm-1:21 pm
2 stops25h 11m
$784
San JuanBuenos Aires
SJU - AEP
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 9/1
12:56 pm-9:40 am
2 stops19h 44m
Buenos Aires Jorge Newbery
Wed 9/16
6:20 pm-4:49 pm
2 stops23h 29m
$1,411
San JuanBuenos Aires
SJU - AEP
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 9/1
12:56 pm-9:40 am
2 stops19h 44m
Buenos Aires Jorge Newbery
Sat 9/26
6:20 pm-4:49 pm
2 stops23h 29m
$1,497
Showing 1-10 of 25 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 $614). Flying from Puerto Rico to Buenos Aires in January is currently the most expensive (average of $918). 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 57 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 July 27, 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
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Crew
8.5
Comfort
7.8
Food
7.2
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.
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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 July 27, 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 July 27, 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 2,558,603 searches. Data last updated July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$400 | Average$659 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$729 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$843 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |