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Buenos Aires

$255+ Cheap flights from Puerto Rico to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap 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 21, 2025.

Round-trip from

$561
(Gotogate)

One-way from

$255
(Expedia)

Popular in

February

Cheapest in

September

Average price

$594
From Puerto Rico to Buenos Aires (BUE)
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One-way flight from Puerto Rico to Buenos Aires (BUE)
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Highest demand for flights based on searches. 11% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Puerto Rico to Buenos Aires

Cheapest flights from Puerto Rico to Buenos Aires
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 21, 2025.

This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:15 pmSJU - EZE
1 stop10h 30mAvianca
Mon 9/81:40 amEZE - SJU
1 stop16h 10mAvianca
Deal found 8/20$556
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:15 pmSJU - AEP
1 stop10h 25mAvianca
Sun 9/147:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 8/19$561
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:15 pmSJU - AEP
1 stop10h 25mAvianca
Thu 9/117:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 8/20$567
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:15 pmSJU - EZE
1 stop10h 30mAvianca
Wed 9/102:30 amEZE - SJU
1 stop13h 30mAvianca
Deal found 8/20$568
This Gotogate deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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.
Tue 11/189:55 amSJU - EZE
1 stop16h 50mMultiple Airlines
Thu 11/272:40 amEZE - SJU
1 stop13h 40mMultiple Airlines
Deal found 8/20$574
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 10/91:15 pmSJU - EZE
1 stop9h 55mAvianca
Sun 10/121:40 amEZE - SJU
1 stop16h 10mAvianca
Deal found 8/20$588
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 10/96:15 pmSJU - AEP
1 stop10h 25mAvianca
Mon 10/137:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 8/20$588
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:30 pmSJU - EZE
1 stop10h 20mAvianca
Wed 12/32:40 amEZE - SJU
1 stop13h 40mAvianca
Deal found 8/19$593
This Avianca deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:15 pmSJU - AEP
1 stop15h 25mAvianca
Mon 10/277:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 8/21$594
This Gotogate deal was found by Cheapflights users on 8/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:00 pmSJU - EZE
2 stops13h 56mAvianca
Tue 11/117:35 amEZE - SJU
1 stop10h 30mAvianca
Deal found 8/18$595
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:00 pmSJU - EZE
2 stops13h 56mAvianca
Fri 11/287:35 amEZE - SJU
1 stop10h 30mAvianca
Deal found 8/20$601
This Booking.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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.
Fri 11/212:00 pmSJU - EZE
2 stops13h 40mAvianca
Thu 11/272:40 amEZE - SJU
1 stop13h 40mAvianca
Deal found 8/20$602

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 21, 2025.
Use the filters below to find and compare flights from Puerto Rico to Buenos Aires that are best for you.

Fly from

Puerto Rico

Fly to

Buenos Aires

Route

Depart

Return

Price

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Wed 9/10

6:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

Sun 9/14

7:00 am-4:50 pm

1 stop10h 50m

$561

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Wed 9/3

6:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

Thu 9/11

7:00 am-4:50 pm

1 stop10h 50m

$567

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 9/3

6:15 pm-5:45 am

1 stop10h 30m

Buenos Aires Ministro Pistarini

Wed 9/10

2:30 am-3:00 pm

1 stop13h 30m

$568

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 11/18

9:55 am-3:45 am

1 stop16h 50m

Buenos Aires Ministro Pistarini

Thu 11/27

2:40 am-3:20 pm

1 stop13h 40m

$574

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 11/6

6:30 pm-5:50 am

1 stop10h 20m

Buenos Aires Ministro Pistarini

Tue 11/11

7:35 am-5:05 pm

1 stop10h 30m

$588

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 10/9

1:15 pm-12:10 am

1 stop9h 55m

Buenos Aires Ministro Pistarini

Sun 10/12

1:40 am-4:50 pm

1 stop16h 10m

$588

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Thu 10/9

6:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

Mon 10/13

7:00 am-4:50 pm

1 stop10h 50m

$588

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 11/19

6:30 pm-5:50 am

1 stop10h 20m

Buenos Aires Ministro Pistarini

Wed 12/3

2:40 am-3:20 pm

1 stop13h 40m

$593

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 9/10

6:15 pm-5:45 am

1 stop10h 30m

Buenos Aires Ministro Pistarini

Sun 9/14

6:50 am-4:50 pm

1 stop11h 00m

$593

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Wed 10/15

6:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

Mon 10/20

7:00 am-4:50 pm

1 stop10h 50m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 29 results
1
2
3

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.
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

What is the cheapest month to book a flight from Puerto Rico to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $795). Flying from Puerto Rico to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

What is the cheapest time of day to fly from PR to BUE?

Find hourly flight availability from Puerto Rico to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Puerto Rico to Buenos Aires as you normally would.

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 21, 2025.
Peruse reviews from past customers who have flown with Copa Airlines and Avianca 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.
Copa Airlines
7.5
Good
1,512 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Entertainment

6.8

Food

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Copa Airlines
7.5
Good
1,512 reviews
Copa Airlines
7.5
Good
1,512 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Entertainment

6.8

Food

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Avianca
6.7
Okay
2,411 reviews
Copa Airlines
7.5
Good
1,512 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Entertainment

6.8

Food

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.

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.

  • How long is the flight from Puerto Rico to Buenos Aires?

    For as low as $561, Avianca can have you in Buenos Aires from Puerto Rico in 10h 25m. The distance between Puerto Rico and Buenos Aires is about 3693 mi.

  • Can I find deals for flights from Puerto Rico to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Buenos Aires.

  • Can I find deals for business class flights from Puerto Rico to Buenos Aires?

    Yes. Cheapflights offers flight deals from Puerto Rico to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Puerto Rico to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $795). Flying from Puerto Rico to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

See more FAQs

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 for Puerto Rico to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Ministro Pistarini flights
Santo Domingo to Ministro Pistarini flights
Punta Cana to Ministro Pistarini flights

Top 3 airlines flying from Puerto Rico to Buenos Aires

Discover the top 3 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$563Average$730FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$566Average$924FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$578Average$1,228FlexibilityNo cancel feeOn-time71%

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