$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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Puerto Rico to Buenos AiresExplore the most affordable flight options available from Puerto Rico to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 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 12, 2026.
This CheapOair deal was found by Cheapflights users on 8/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/7![Arajet logo]()
$547
This CheapOair deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 -
1 stop10h 15m
Wed 9/94:00 am -
1 stop11h 34m
Deal found 8/10![Arajet logo]()
$568
This Arajet deal was found by Cheapflights users on 8/7. 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.
Fri 10/25:50 pm -
1 stop11h 55m
Fri 10/164:45 am -
1 stop12h 35m
Deal found 8/7![Arajet logo]()
$580
This CheapOair deal was found by Cheapflights users on 8/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Wed 9/234:45 am -
1 stop10h 49m
Deal found 8/7![Arajet logo]()
$583
This Orbitz deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/24:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/9![Arajet logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 -
1 stop13h 41m
Mon 9/144:15 pm -
2 stops23h 45m
Deal found 8/8![Multiple Airlines logo]()
$585
This Arajet deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 11/23:20 pm -
1 stop11h 03m
Wed 11/49:15 pm -
1 stop18h 39m
Deal found 8/9![Arajet logo]()
$589
This Arajet deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 11/23:20 pm -
1 stop11h 03m
Sat 11/77:45 am -
1 stop12h 35m
Deal found 8/9![Arajet logo]()
$592
This Arajet deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:30 am -
1 stop17h 15m
Wed 12/99:15 pm -
1 stop18h 39m
Deal found 8/8![Arajet logo]()
$593
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 11/109:30 am -
1 stop17h 15m
Tue 11/176:35 am -
1 stop32h 15m
Deal found 8/11![Arajet logo]()
$598
This Booking.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 11/163:20 pm -
1 stop11h 03m
Mon 11/239:15 pm -
1 stop11h 45m
Deal found 8/8![Arajet logo]()
$599
This Booking.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/14:00 pm -
1 stop27h 15m
Sat 11/77:45 am -
1 stop12h 35m
Deal found 8/10![Arajet logo]()
$601
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 12, 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 12, 2026.
This Arajet deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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
Sat 9/266:35 am -
1 stop11h 04m
Deal found 8/11![Arajet logo]()
$620
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:35 pm -
1 stop28h 50m
Tue 11/109:29 am -
1 stop30h 29m
Deal found 8/6![Multiple Airlines logo]()
$746
This Copa Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/146:16 pm -
1 stop12h 41m
Mon 9/212:49 pm -
1 stop26h 25m
Deal found 8/10![Copa Airlines logo]()
$767
This Avianca deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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.
Thu 9/171:05 pm -
1 stop15h 35m
Tue 9/227:00 am -
1 stop11h 10m
Deal found 8/8![Avianca logo]()
$777
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:59 pm -
2 stops21h 01m
Sun 11/88:05 pm -
2 stops46h 20m
Deal found 8/9![Delta logo]()
$779
This Arajet deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/164:00 am -
1 stop11h 34m
Deal found 8/8![Arajet logo]()
$685
This Copa Airlines deal was found by Cheapflights users on 8/7. 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 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 8/7![Copa Airlines logo]()
$767
This Arajet deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/134:00 pm -
1 stop10h 45m
Thu 9/249:45 am -
1 stop31h 35m
Deal found 8/8![Arajet logo]()
$712
This Copa Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/216:16 pm -
1 stop29h 35m
Thu 10/82:49 pm -
1 stop26h 25m
Deal found 8/11![Copa Airlines logo]()
$767
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:00 pm -
2 stops18h 30m
Sun 11/158:05 pm -
2 stops22h 00m
Deal found 8/6![Multiple Airlines logo]()
$935
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/235:49 pm -
2 stops21h 11m
Sat 9/53:45 pm -
2 stops22h 57m
Deal found 8/9![Delta logo]()
$1,165
This FlightHub deal was found by Cheapflights users on 8/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:05 pm -
1 stop14h 35m
Tue 11/107:00 am -
1 stop11h 05m
Deal found 8/6![Multiple Airlines logo]()
$1,527
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 -
2 stops19h 44m
Wed 9/166:20 pm -
2 stops23h 29m
Deal found 8/8![Delta logo]()
$1,783
This Delta deal was found by Cheapflights users on 8/7. 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.
Fri 10/212:55 pm -
2 stops20h 35m
Fri 10/166:20 pm -
2 stops20h 29m
Deal found 8/7![Delta logo]()
$2,286
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 9/112:56 pm -
2 stops19h 44m
Sat 9/266:20 pm -
2 stops20h 25m
Deal found 8/7![Delta logo]()
$2,535
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated August 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:05 pm -
1 stop15h 35m
Tue 8/255:45 am -
2 stops35h 29m
Deal found 8/7![Multiple Airlines logo]()
$770
This CheapOair deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 -
1 stop10h 15m
Wed 9/94:00 am -
1 stop11h 34m
Deal found 8/10![Arajet logo]()
$568
This Arajet deal was found by Cheapflights users on 8/7. 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.
Tue 9/14:30 pm -
1 stop10h 15m
Wed 9/164:45 am -
1 stop10h 49m
Deal found 8/7![Arajet logo]()
$607
This Arajet deal was found by Cheapflights users on 8/7. 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.
Tue 9/14:30 pm -
1 stop10h 15m
Sat 9/266:35 am -
1 stop11h 04m
Deal found 8/7![Arajet logo]()
$620
This Avianca deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 -
1 stop15h 35m
Sat 9/267:00 am -
1 stop11h 10m
Deal found 8/8![Avianca logo]()
$765
This Orbitz deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/24:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/9![Arajet logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/45:50 pm -
1 stop11h 55m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/10![Arajet logo]()
$618
This CheapOair deal was found by Cheapflights users on 8/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/7![Arajet logo]()
$547
This CheapOair deal was found by Cheapflights users on 8/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Wed 9/234:45 am -
1 stop10h 49m
Deal found 8/7![Arajet logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 -
1 stop13h 41m
Mon 9/144:15 pm -
2 stops23h 45m
Deal found 8/8![Multiple Airlines logo]()
$585
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/164:04 pm -
1 stop13h 41m
Wed 9/234:45 am -
1 stop10h 49m
Deal found 8/11![Arajet logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:54 am -
2 stops38h 29m
Wed 9/304:45 am -
1 stop10h 49m
Deal found 8/8![Multiple Airlines logo]()
$619
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 12, 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 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:30 pm -
1 stop10h 15m
Deal found 8/7![Arajet logo]()
$193
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:04 pm -
1 stop13h 41m
Deal found 8/6![Arajet logo]()
$233
This Booking.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/94:04 pm -
1 stop13h 41m
Deal found 8/8![Arajet logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:09 pm -
3 stops32h 51m
Deal found 8/7![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm -
1 stop13h 41m
Deal found 8/7![Arajet logo]()
$248
This Arajet deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/11![Arajet logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:00 pm -
2 stops26h 05m
Deal found 8/7![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:09 pm -
3 stops39h 51m
Deal found 8/7![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:04 pm -
1 stop13h 41m
Deal found 8/7![Arajet logo]()
$268
This Arajet deal was found by Cheapflights users on 8/7. 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.
Sat 9/59:00 pm -
1 stop31h 00m
Deal found 8/7![Arajet logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm -
3 stops34h 30m
Deal found 8/7![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Wed 10/216:00 am -
3 stops28h 00m
Deal found 8/6![Multiple Airlines logo]()
$308
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 12, 2026.
Round-trip from | $547 (CheapOair) |
|---|---|
One-way from | $193 (Kiwi.com) |
Popular in | February |
Cheapest in | May |
Average price | $673 |
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 August 12, 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
Quickest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 9/1
4:30 pm-3:45 am
1 stop10h 15m
Buenos Aires Ministro Pistarini
Sat 9/26
6:35 am-4:39 pm
1 stop11h 04m
$620
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 9/1
4:30 pm-3:45 am
1 stop10h 15m
Buenos Aires Ministro Pistarini
Wed 9/16
4:00 am-2:34 pm
1 stop11h 34m
$685
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sun 9/13
4:00 pm-3:45 am
1 stop10h 45m
Buenos Aires Ministro Pistarini
Thu 9/24
9:45 am-4:20 pm
1 stop31h 35m
$712
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 10/22
6:35 pm-12:25 am
1 stop28h 50m
Buenos Aires Ministro Pistarini
Tue 11/10
9:29 am-2:58 pm
1 stop30h 29m
$746
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/14
6:16 pm-7:57 am
1 stop12h 41m
Buenos Aires Ministro Pistarini
Mon 9/21
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 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 - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/21
6:16 pm-12:51 am
1 stop29h 35m
Buenos Aires Ministro Pistarini
Thu 10/8
2:49 pm-4:14 pm
1 stop26h 25m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Thu 9/17
1:05 pm-5:40 am
1 stop15h 35m
Buenos Aires Jorge Newbery
Tue 9/22
7:00 am-5:10 pm
1 stop11h 10m
$777
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 10/28
5:59 pm-4:00 pm
2 stops21h 01m
Buenos Aires Jorge Newbery
Sun 11/8
8:05 pm-5:25 pm
2 stops46h 20m
$779
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
1:00 pm-8:30 am
2 stops18h 30m
Buenos Aires Jorge Newbery
Sun 11/15
8:05 pm-5:05 pm
2 stops22h 00m
$935
Showing 1-10 of 32 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 $575). 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 12, 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
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
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
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Alternative routes
Buenos Aires flight routes
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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 12, 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 12, 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 August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$627 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$745 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$855 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |