$271+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 October 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 stop24h 40m
Wed 11/2510:05 pm -
2 stops23h 55m
Deal found 10/30![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/27:40 am -
1 stop22h 40m
Mon 12/711:55 pm -
1 stop22h 29m
Deal found 10/29![United Airlines logo]()
$674
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:20 pm -
2 stops22h 40m
Wed 11/251:05 pm -
2 stops35h 10m
Deal found 10/30![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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.
Sat 11/148:05 am -
2 stops24h 15m
Mon 11/2311:55 pm -
1 stop22h 29m
Deal found 10/30![United Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/24:33 pm -
1 stop13h 02m
Mon 12/75:00 am -
2 stops29h 19m
Deal found 10/28![Multiple Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/114:55 pm -
2 stops37h 25m
Sat 11/2111:55 pm -
2 stops25h 41m
Deal found 10/29![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/103:46 pm -
1 stop16h 34m
Tue 12/1511:55 pm -
1 stop22h 29m
Deal found 10/27![United Airlines logo]()
$722
This Gotogate deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:33 pm -
1 stop13h 02m
Mon 12/711:05 pm -
1 stop11h 14m
Deal found 10/28![Arajet logo]()
$726
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:40 am -
1 stop24h 40m
Fri 1/2211:55 pm -
2 stops25h 41m
Deal found 10/27![United Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:33 pm -
2 stops17h 47m
Mon 12/71:32 pm -
2 stops20h 47m
Deal found 10/28![Multiple Airlines logo]()
$759
This Avianca deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Wed 11/46:20 pm -
1 stop10h 45m
Mon 11/231:40 am -
1 stop10h 45m
Deal found 10/28![Avianca logo]()
$771
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/277:00 am -
1 stop23h 35m
Wed 12/29:30 pm -
1 stop21h 08m
Deal found 10/29![Delta logo]()
$772
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 1/198:25 am -
2 stops21h 55m
Thu 1/2811:55 pm -
2 stops36h 55m
Deal found 10/30![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/23:35 pm -
1 stop15h 00m
Mon 12/73:10 pm -
2 stops22h 36m
Deal found 10/30![Delta logo]()
$781
This Copa Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/76:13 am -
1 stop17h 15m
Fri 3/269:04 am -
1 stop14h 20m
Deal found 10/29![Copa Airlines logo]()
$849
This Arajet deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/209:30 pm -
1 stop29h 15m
Sat 3/275:35 am -
1 stop12h 04m
Deal found 10/29![Arajet logo]()
$872
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 1/157:40 am -
1 stop22h 40m
Sun 1/2411:55 pm -
2 stops25h 41m
Deal found 10/29![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
2 stops32h 00m
Mon 1/188:40 am -
2 stops29h 09m
Deal found 10/27![Delta logo]()
$858
This Copa Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/145:29 am -
1 stop20h 41m
Tue 12/223:40 am -
1 stop20h 00m
Deal found 10/30![Copa Airlines logo]()
$863
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:35 pm -
2 stops34h 45m
Wed 11/1810:05 pm -
2 stops27h 31m
Deal found 10/26![United Airlines logo]()
$864
This Copa Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 2/155:33 am -
1 stop15h 47m
Fri 2/262:45 pm -
1 stop26h 26m
Deal found 10/28![Copa Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:05 am -
2 stops24h 15m
Sun 12/1311:55 pm -
1 stop17h 41m
Deal found 10/27![United Airlines logo]()
$881
This Copa Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/116:17 pm -
1 stop29h 35m
Mon 11/233:40 am -
1 stop20h 00m
Deal found 10/28![Copa Airlines logo]()
$923
This Copa Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 3/205:58 pm -
1 stop28h 25m
Sun 3/2810:45 am -
1 stop12h 39m
Deal found 10/28![Copa Airlines logo]()
$927
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 stops22h 33m
Deal found 10/28![Delta logo]()
$1,710
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/12:15 pm -
2 stops22h 45m
Wed 3/108:05 pm -
2 stops22h 15m
Deal found 10/26![Delta logo]()
$2,073
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:02 pm -
2 stops18h 38m
Tue 1/268:05 pm -
2 stops22h 20m
Deal found 10/26![Delta logo]()
$2,989
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/73:45 pm -
2 stops21h 15m
Fri 3/268:05 pm -
2 stops21h 15m
Deal found 10/29![Delta logo]()
$3,275
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/23:35 pm -
2 stops21h 25m
Mon 12/76:20 pm -
2 stops21h 00m
Deal found 10/30![Delta logo]()
$3,381
Last-minute flights from Puerto Rico to Buenos AiresDiscover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Buenos Aires. Data last updated October 30, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Wed 11/46:20 pm -
1 stop10h 45m
Mon 11/231:40 am -
1 stop10h 45m
Deal found 10/28![Avianca logo]()
$771
This United Airlines deal was found by Cheapflights users on 10/26. 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 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 11/1810:05 pm -
1 stop24h 19m
Deal found 10/26![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/114:55 pm -
2 stops37h 25m
Sat 11/2111:55 pm -
2 stops25h 41m
Deal found 10/29![United Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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
Wed 11/259:30 pm -
1 stop21h 13m
Deal found 10/30![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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
Thu 11/2610:05 pm -
1 stop24h 19m
Deal found 10/30![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:20 pm -
2 stops22h 40m
Wed 11/251:05 pm -
2 stops35h 10m
Deal found 10/30![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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.
Sat 11/148:05 am -
2 stops24h 15m
Mon 11/2311:55 pm -
1 stop22h 29m
Deal found 10/30![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 10/30![United Airlines logo]()
$665
This LATAM Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:20 pm -
1 stop16h 20m
Wed 12/29:30 pm -
1 stop16h 16m
Deal found 10/28![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:52 pm -
2 stops18h 58m
Wed 11/255:00 pm -
2 stops23h 05m
Deal found 10/26![Delta logo]()
$785
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/277:00 am -
1 stop23h 35m
Wed 12/29:30 pm -
1 stop21h 08m
Deal found 10/29![Delta logo]()
$772
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/277:00 am -
2 stops32h 00m
Thu 12/33:50 pm -
2 stops21h 56m
Deal found 10/29![Delta logo]()
$781
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 30, 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 30, 2026.
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:33 pm -
1 stop13h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$271
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:33 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$272
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/123:20 pm -
1 stop11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/165:50 pm -
1 stop14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$280
This Jetabroad deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:24 pm -
1 stop10h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$286
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/184:24 pm -
1 stop10h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$294
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/153:20 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$297
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/74:04 pm -
1 stop16h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$298
This Jetabroad deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/114:24 pm -
1 stop10h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$302
This Jetabroad deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/94:00 pm -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$303
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:49 am -
1 stop15h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$304
This Jetabroad deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:09 am -
1 stop17h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Arajet logo]()
$307
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 30, 2026.
Round-trip from | $626 (Expedia) |
|---|---|
One-way from | $271 (Booking.com) |
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 30, 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-9:32 am
1 stop15h 59m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$315
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Mon 11/16
5:34 am-5:05 am
2 stops22h 31m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$372
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Thu 11/26
3:42 am-7:30 am
2 stops26h 48m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$377
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Sat 11/14
6:17 pm-4:20 am
2 stops33h 03m
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 - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 11/17
6:17 pm-5:05 am
2 stops33h 48m
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 - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Sun 11/15
6:00 am-11:10 pm
3 stops40h 10m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$412
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Thu 11/12
6:20 pm-7:30 am
2 stops36h 10m
Buenos Aires Jorge Newbery
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
Thu 1/28
7:40 am-9:20 am
1 stop24h 40m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$427
Quickest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Fri 12/4
6:20 pm-5:40 am
1 stop10h 20m
Buenos Aires Jorge Newbery
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
Wed 11/4
4:52 pm-2:30 pm
3 stops44h 38m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$427
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 $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 30, 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.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
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 30, 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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$628 | 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% |