$193+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Sep 25 — Oct 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 August 26, 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 August 26, 2026.
This Trip.com deal was found by Cheapflights users on 8/23. 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.
Wed 11/184:28 pm -
1 stop16h 32m
Mon 11/309:15 pm -
1 stop11h 45m
Deal found 8/23![Arajet logo]()
$552
This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:00 pm -
1 stop10h 45m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/21![Arajet logo]()
$563
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm -
1 stop10h 15m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/21![Arajet logo]()
$564
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:04 pm -
1 stop13h 41m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/24![Arajet logo]()
$567
This CheapOair deal was found by Cheapflights users on 8/23. 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.
Wed 9/164:04 pm -
1 stop13h 41m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/23![Arajet logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/64:30 pm -
1 stop10h 15m
Tue 10/132:30 pm -
2 stops25h 04m
Deal found 8/24![Multiple Airlines logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Tue 10/134:30 pm -
1 stop10h 15m
Tue 10/202:30 pm -
2 stops25h 04m
Deal found 8/22![Multiple Airlines logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:30 pm -
1 stop10h 15m
Tue 10/132:30 pm -
2 stops25h 04m
Deal found 8/21![Multiple Airlines logo]()
$623
This Arajet deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:00 pm -
1 stop27h 15m
Sat 11/76:35 am -
1 stop11h 04m
Deal found 8/21![Arajet logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/235:33 am -
2 stops20h 12m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/24![Multiple Airlines logo]()
$633
This Mytrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:30 pm -
2 stops17h 50m
Tue 10/139:40 pm -
2 stops17h 54m
Deal found 8/21![Multiple Airlines logo]()
$647
This Mytrip deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:30 pm -
2 stops16h 10m
Tue 10/209:40 pm -
2 stops17h 54m
Deal found 8/22![Multiple Airlines logo]()
$654
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 August 26, 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 August 26, 2026.
This Arajet deal was found by Cheapflights users on 8/22. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:00 pm -
1 stop27h 15m
Sat 11/76:35 am -
1 stop11h 04m
Deal found 8/22![Arajet logo]()
$631
This Copa Airlines deal was found by Cheapflights users on 8/22. 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 9/175:33 am -
1 stop22h 03m
Tue 9/222:49 pm -
1 stop26h 25m
Deal found 8/22![Copa Airlines logo]()
$767
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Wed 10/216:35 pm -
2 stops24h 25m
Wed 10/287:05 am -
1 stop10h 50m
Deal found 8/25![Multiple Airlines logo]()
$1,049
This Arajet deal was found by Cheapflights users on 8/25. 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 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 stop11h 45m
Deal found 8/25![Arajet logo]()
$718
This Copa Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:33 am -
1 stop19h 57m
Mon 10/52:49 pm -
1 stop26h 25m
Deal found 8/22![Copa Airlines logo]()
$767
This Arajet deal was found by Cheapflights users on 8/25. 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 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
Tue 12/159:29 am -
1 stop30h 29m
Deal found 8/25![Arajet logo]()
$724
This Copa Airlines deal was found by Cheapflights users on 8/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:16 pm -
1 stop27h 10m
Wed 10/284:02 am -
1 stop13h 12m
Deal found 8/25![Copa Airlines logo]()
$767
This Arajet deal was found by Cheapflights users on 8/25. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:50 pm -
1 stop31h 10m
Tue 11/1711:00 am -
1 stop28h 58m
Deal found 8/25![Arajet logo]()
$732
This Copa Airlines deal was found by Cheapflights users on 8/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:32 am -
1 stop17h 11m
Tue 11/34:02 am -
1 stop13h 07m
Deal found 8/25![Copa Airlines logo]()
$767
This Arajet deal was found by Cheapflights users on 8/23. 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.
Sun 11/84:00 pm -
1 stop27h 15m
Sat 11/142:45 am -
1 stop12h 45m
Deal found 8/23![Arajet logo]()
$755
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:56 pm -
2 stops20h 34m
Wed 9/306:20 pm -
2 stops23h 29m
Deal found 8/21![Delta logo]()
$2,228
This Trip.com deal was found by Cheapflights users on 8/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:20 pm -
1 stop10h 20m
Sun 12/137:05 am -
1 stop10h 50m
Deal found 8/26![Avianca logo]()
$2,426
This FlightHub deal was found by Cheapflights users on 8/25. 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.
Mon 10/266:20 pm -
1 stop33h 20m
Wed 11/45:10 pm -
2 stops19h 15m
Deal found 8/25![Multiple Airlines logo]()
$1,534
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 12/101:58 pm -
2 stops23h 02m
Tue 12/156:20 pm -
2 stops21h 30m
Deal found 8/24![Delta logo]()
$3,247
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:56 pm -
2 stops19h 44m
Mon 9/216:20 pm -
2 stops23h 29m
Deal found 8/21![Delta logo]()
$4,058
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:50 pm -
2 stops22h 10m
Wed 11/46:20 pm -
2 stops24h 29m
Deal found 8/23![Delta logo]()
$4,265
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:35 pm -
2 stops21h 25m
Sun 12/206:20 pm -
2 stops20h 55m
Deal found 8/21![Delta logo]()
$4,559
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated August 26, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm -
1 stop10h 15m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/21![Arajet logo]()
$564
This Arajet deal was found by Cheapflights users on 8/23. 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.
Tue 9/14:30 pm -
1 stop10h 15m
Wed 9/164:45 am -
1 stop10h 49m
Deal found 8/23![Arajet logo]()
$655
This Booking.com deal was found by Cheapflights users on 8/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:00 pm -
1 stop12h 00m
Wed 9/164:45 am -
1 stop10h 49m
Deal found 8/23![Arajet logo]()
$662
This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:00 pm -
1 stop10h 45m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/21![Arajet logo]()
$563
This CheapOair deal was found by Cheapflights users on 8/23. 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.
Wed 9/164:04 pm -
1 stop13h 41m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/23![Arajet logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm -
1 stop10h 15m
Tue 9/297:21 pm -
2 stops20h 13m
Deal found 8/23![Multiple Airlines logo]()
$640
This Booking.com deal was found by Cheapflights users on 8/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm -
1 stop10h 15m
Tue 9/299:15 am -
1 stop30h 19m
Deal found 8/23![Arajet logo]()
$659
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:04 pm -
1 stop13h 41m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/24![Arajet logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/235:33 am -
2 stops20h 12m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/24![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:30 pm -
1 stop10h 15m
Tue 10/132:30 pm -
2 stops25h 04m
Deal found 8/21![Multiple Airlines logo]()
$623
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:30 pm -
1 stop10h 15m
Tue 10/1311:00 am -
1 stop28h 34m
Deal found 8/21![Arajet logo]()
$647
This Mytrip deal was found by Cheapflights users on 8/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:30 pm -
2 stops17h 50m
Fri 10/25:35 pm -
2 stops18h 50m
Deal found 8/24![Multiple Airlines logo]()
$798
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 August 26, 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 August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/44:28 pm -
1 stop16h 32m
Deal found 8/24![Arajet logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Fri 10/305:50 pm -
2 stops15h 21m
Deal found 8/24![Multiple Airlines logo]()
$193
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
1 stop10h 15m
Deal found 8/24![Arajet logo]()
$240
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:00 pm -
1 stop10h 45m
Deal found 8/24![Arajet logo]()
$245
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:04 pm -
1 stop13h 41m
Deal found 8/21![Arajet logo]()
$271
This Arajet deal was found by Cheapflights users on 8/24. 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 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
Deal found 8/24![Arajet logo]()
$278
This Arajet deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm -
1 stop10h 15m
Deal found 8/21![Arajet logo]()
$283
This Arajet deal was found by Cheapflights users on 8/24. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:00 pm -
1 stop27h 15m
Deal found 8/24![Arajet logo]()
$292
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:24 pm -
1 stop10h 21m
Deal found 8/21![Arajet logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/235:33 am -
2 stops21h 47m
Deal found 8/24![Multiple Airlines logo]()
$294
This Arajet deal was found by Cheapflights users on 8/24. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:24 pm -
1 stop26h 51m
Deal found 8/24![Arajet logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 11/27:30 am -
2 stops25h 30m
Deal found 8/24![Multiple Airlines logo]()
$300
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 August 26, 2026.
Round-trip from | $552 (Trip.com) |
|---|---|
One-way from | $193 (Kiwi.com) |
Popular in | February |
Cheapest in | May |
Average price | $708 |
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 August 26, 2026.
Use the filters below to find and compare flights from Puerto Rico to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 11/1
4:00 pm-8:15 pm
1 stop27h 15m
Buenos Aires Ministro Pistarini
Sat 11/7
6:35 am-4:39 pm
1 stop11h 04m
$631
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 12/2
4:28 pm-6:10 am
1 stop12h 42m
Buenos Aires Ministro Pistarini
Mon 12/7
9:15 pm-8:00 am
1 stop11h 45m
$718
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 12/10
4:24 pm-3:45 am
1 stop10h 21m
Buenos Aires Ministro Pistarini
Tue 12/15
9:29 am-2:58 pm
1 stop30h 29m
$724
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sat 11/7
8:50 pm-5:00 am
1 stop31h 10m
Buenos Aires Ministro Pistarini
Tue 11/17
11:00 am-2:58 pm
1 stop28h 58m
$732
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 11/8
4:00 pm-8:15 pm
1 stop27h 15m
Buenos Aires Ministro Pistarini
Sat 11/14
2:45 am-2:30 pm
1 stop12h 45m
$755
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 9/17
5:33 am-4:36 am
1 stop22h 03m
Buenos Aires Ministro Pistarini
Tue 9/22
2:49 pm-4:14 pm
1 stop26h 25m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/28
5:33 am-2:30 am
1 stop19h 57m
Buenos Aires Ministro Pistarini
Mon 10/5
2:49 pm-4:14 pm
1 stop26h 25m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 10/21
6:16 pm-10:26 pm
1 stop27h 10m
Buenos Aires Ministro Pistarini
Wed 10/28
4:02 am-4:14 pm
1 stop13h 12m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 10/26
5:32 am-11:43 pm
1 stop17h 11m
Buenos Aires Ministro Pistarini
Tue 11/3
4:02 am-4:09 pm
1 stop13h 07m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 10/21
6:35 pm-8:00 pm
2 stops24h 25m
Buenos Aires Jorge Newbery
Wed 10/28
7:05 am-4:55 pm
1 stop10h 50m
$1,049
Showing 1-10 of 36 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 $570). 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 22 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 August 26, 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.
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buenos Aires flight routes
Complete your trip
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Alternative routes for Puerto Rico to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 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 August 26, 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$626 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$751 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$848 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |