$323+ Cheap flights from Puerto Rico to Buenos Aires (BUE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Nov 18 — Nov 251
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 October 19, 2026.
Explore the most affordable flight options available from Puerto Rico to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This FlightHub deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 12/46:20 pm -
2 stops41h 20m
Mon 12/77:05 am -
1 stop10h 50m
Deal found 10/15![Avianca logo]()
$647
This Booking.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/110:49 am -
1 stop16h 31m
Tue 12/85:35 am -
1 stop33h 15m
Deal found 10/19![Arajet logo]()
$654
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:40 am -
1 stop22h 40m
Wed 11/2510:05 pm -
1 stop24h 19m
Deal found 10/19![United Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:55 pm -
1 stop37h 45m
Mon 11/162:05 am -
2 stops40h 38m
Deal found 10/19![Delta logo]()
$674
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:58 pm -
2 stops18h 42m
Wed 12/98:05 pm -
2 stops22h 33m
Deal found 10/18![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:35 pm -
2 stops34h 45m
Tue 11/1710:05 pm -
2 stops23h 55m
Deal found 10/19![United Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 12/212:35 pm -
1 stop12h 10m
Mon 12/73:25 pm -
2 stops18h 54m
Deal found 10/15![Multiple Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/212:35 pm -
1 stop12h 10m
Sat 12/123:24 pm -
2 stops24h 06m
Deal found 10/18![Multiple Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:46 pm -
1 stop38h 34m
Sat 11/2111:55 pm -
1 stop22h 29m
Deal found 10/17![United Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:46 pm -
1 stop38h 34m
Wed 12/211:55 pm -
1 stop22h 29m
Deal found 10/15![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:25 am -
2 stops47h 55m
Wed 11/1811:55 pm -
2 stops25h 41m
Deal found 10/18![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:35 pm -
2 stops34h 45m
Wed 12/211:55 pm -
1 stop22h 29m
Deal found 10/15![United Airlines logo]()
$728
Best flights from Puerto Rico to Buenos AiresDiscover carefully curated flight deals from Puerto Rico to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Puerto Rico to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Arajet deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/13:20 pm -
1 stop12h 15m
Tue 3/94:45 am -
1 stop11h 18m
Deal found 10/18![Arajet logo]()
$739
This Copa Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 12/28:28 am -
1 stop15h 24m
Mon 12/72:45 pm -
1 stop26h 23m
Deal found 10/17![Copa Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 3/12:15 pm -
2 stops18h 35m
Wed 3/1011:35 pm -
1 stop18h 45m
Deal found 10/16![Delta logo]()
$835
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:55 pm -
2 stops37h 25m
Wed 11/1811:55 pm -
2 stops25h 41m
Deal found 10/15![United Airlines logo]()
$858
This Arajet deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 3/174:33 pm -
1 stop13h 02m
Sat 4/39:15 pm -
1 stop18h 15m
Deal found 10/19![Arajet logo]()
$745
This Copa Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/105:29 am -
1 stop25h 31m
Mon 12/143:40 am -
1 stop13h 28m
Deal found 10/16![Copa Airlines logo]()
$793
This Copa Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 3/35:58 pm -
1 stop29h 30m
Tue 4/62:08 am -
1 stop15h 05m
Deal found 10/17![Copa Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/103:35 pm -
1 stop17h 05m
Tue 12/159:30 pm -
2 stops20h 24m
Deal found 10/19![Delta logo]()
$892
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:20 pm -
1 stop10h 20m
Sat 11/287:05 am -
1 stop10h 50m
Deal found 10/19![Avianca logo]()
$1,860
This Copa Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:17 pm -
1 stop29h 35m
Sat 11/282:02 am -
1 stop11h 42m
Deal found 10/19![Copa Airlines logo]()
$849
This Orbitz deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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.
Sat 11/143:17 pm -
2 stops20h 43m
Sun 11/2910:30 pm -
2 stops43h 24m
Deal found 10/19![Multiple Airlines logo]()
$2,194
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:20 pm -
1 stop10h 20m
Sat 11/287:05 am -
1 stop10h 50m
Deal found 10/19![Avianca logo]()
$1,860
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 3/12:15 pm -
2 stops22h 45m
Wed 3/108:05 pm -
2 stops22h 15m
Deal found 10/16![Delta logo]()
$1,753
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:52 pm -
2 stops18h 48m
Fri 12/48:05 pm -
2 stops22h 33m
Deal found 10/19![Delta logo]()
$1,891
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/103:35 pm -
2 stops21h 25m
Tue 12/158:05 pm -
2 stops19h 15m
Deal found 10/19![Delta logo]()
$1,899
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 3/72:00 pm -
2 stops18h 40m
Fri 3/268:05 pm -
2 stops21h 15m
Deal found 10/17![Delta logo]()
$2,404
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated October 19, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/66:20 pm -
1 stop10h 20m
Wed 11/117:05 am -
1 stop10h 50m
Deal found 10/17![Avianca logo]()
$867
This Avianca deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:20 pm -
1 stop10h 20m
Mon 11/237:05 am -
1 stop10h 50m
Deal found 10/18![Avianca logo]()
$897
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:25 am -
2 stops47h 55m
Wed 11/1811:55 pm -
2 stops25h 41m
Deal found 10/18![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:35 pm -
2 stops34h 45m
Wed 11/1811:55 pm -
2 stops25h 41m
Deal found 10/19![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:46 pm -
1 stop38h 34m
Sat 11/2111:55 pm -
1 stop22h 29m
Deal found 10/17![United Airlines logo]()
$720
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:55 pm -
1 stop37h 45m
Mon 11/162:05 am -
2 stops40h 38m
Deal found 10/19![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:46 pm -
1 stop38h 34m
Wed 12/211:55 pm -
1 stop22h 29m
Deal found 10/15![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:55 pm -
1 stop35h 40m
Thu 11/195:00 pm -
2 stops23h 05m
Deal found 10/19![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops23h 35m
Tue 12/112:20 pm -
2 stops27h 00m
Deal found 10/15![Delta logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:40 am -
1 stop22h 40m
Wed 11/2510:05 pm -
1 stop24h 19m
Deal found 10/19![United Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:53 pm -
2 stops19h 07m
Wed 12/211:35 pm -
1 stop24h 00m
Deal found 10/18![American Airlines logo]()
$734
This Copa Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/165:34 am -
1 stop19h 36m
Tue 12/12:02 am -
1 stop15h 06m
Deal found 10/19![Copa Airlines logo]()
$793
One-way flights from Puerto Rico to Buenos AiresSearch for one-way flight options from Puerto Rico to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Puerto Rico to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Mytrip deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 3/223:20 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Arajet logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:52 pm -
2 stops34h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$329
This Arajet deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 3/174:33 pm -
1 stop13h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Arajet logo]()
$331
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 4/25:50 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Arajet logo]()
$340
This Expedia deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 3/314:04 pm -
1 stop13h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Arajet logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/273:28 pm -
2 stops32h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$347
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 11/136:00 am -
2 stops26h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$354
This Arajet deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 3/184:24 pm -
1 stop10h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Arajet logo]()
$360
This Arajet deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/214:00 pm -
1 stop32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Arajet logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 1/263:54 am -
3 stops39h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$368
This Arajet deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 11/1610:09 am -
1 stop17h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Arajet logo]()
$384
This Arajet deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/1510:49 am -
1 stop15h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Arajet logo]()
$392
Find flight deals from Puerto Rico to Buenos Aires
Keep the following information in mind while searching for Puerto Rico to Buenos Aires flight deals. Data was last updated October 19, 2026.
Round-trip from | $647 (FlightHub) |
|---|---|
One-way from | $323 (Mytrip) |
Popular in | January |
Cheapest in | September |
Average price | $767 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 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
Wed 3/17
4:33 pm-6:35 am
1 stop13h 02m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$331
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 11/23
3:42 am-4:20 am
2 stops23h 38m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$354
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 11/16
10:09 am-4:35 am
1 stop17h 26m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$384
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Mon 11/23
3:42 am-9:00 pm
3 stops40h 18m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$407
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 11/19
4:24 pm-3:45 am
1 stop10h 21m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$417
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Fri 3/19
6:15 am-7:35 am
1 stop24h 20m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$427
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Sat 3/20
12:00 pm-4:00 pm
2 stops27h 00m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$431
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Mon 3/22
6:15 am-12:00 pm
2 stops28h 45m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$431
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Thu 3/18
1:00 pm-7:40 am
2 stops41h 40m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$431
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 1/27
2:05 am-9:20 am
2 stops30h 15m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$448
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Puerto Rico with our price prediction graph.
SJU-EZE
SJU-AEP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Puerto Rico to Buenos Aires
PR0-BUE
SJU-EZE
SJU-AEP
What is the cheapest month to book a flight from Puerto Rico to Buenos Aires?
Currently, September is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $580). Flying from Puerto Rico to Buenos Aires in January is currently the most expensive (average of $941). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Puerto Rico to Buenos Aires?
The best time to book flights from Puerto Rico to Buenos Aires is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated October 19, 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.
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Flights by cabin class
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Popular flights
Alternative routes for Puerto Rico to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Puerto Rico to Buenos Aires by cabin class
Find flights from Puerto Rico to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Puerto Rico and Buenos Aires flights
Browse other Puerto Rico and Buenos Aires flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Puerto Rico to Buenos Aires
Discover the top 4 airlines that operate flights from Puerto Rico to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$627 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$574 | Average$778 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$855 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$972 | FlexibilityNo cancel fee | On-time71% |