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$247+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$550
(Priceline)

One-way from

$247
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$588
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. 12% potential increase in price ($101 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 September 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 September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:00 pmSJU - EZE
2 stops14h 10mAvianca
Mon 11/177:35 amEZE - SJU
1 stop10h 30mAvianca
Deal found 9/17$550
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:55 amSJU - EZE
1 stop16h 50mMultiple Airlines
Tue 9/301:40 amEZE - SJU
1 stop16h 10mMultiple Airlines
Deal found 9/16$554
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:00 pmSJU - EZE
1 stop10h 35mAvianca
Tue 12/22:40 amEZE - SJU
1 stop13h 40mAvianca
Deal found 9/16$563
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:00 pmSJU - EZE
2 stops13h 50mAvianca
Tue 12/27:35 amEZE - SJU
1 stop10h 30mAvianca
Deal found 9/16$571
This Avianca deal was found by Cheapflights users on 9/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:15 pmSJU - EZE
1 stop10h 30mAvianca
Thu 10/307:35 amEZE - SJU
1 stop10h 30mAvianca
Deal found 9/16$588
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 11/201:00 pmSJU - AEP
1 stop15h 40mAvianca
Thu 11/277:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 9/16$588
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:31 amSJU - EZE
1 stop18h 24mCopa Airlines
Mon 10/133:47 amEZE - SJU
1 stop19h 34mCopa Airlines
Deal found 9/15$590
This Avianca deal was found by Cheapflights users on 9/15. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:00 pmSJU - AEP
1 stop15h 40mAvianca
Wed 11/127:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 9/15$594
This Avianca deal was found by Cheapflights users on 9/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:10 pmSJU - EZE
2 stops14h 25mAvianca
Sat 11/17:35 amEZE - SJU
1 stop10h 30mAvianca
Deal found 9/16$596
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:56 amSJU - EZE
1 stop18h 54mAmerican Airlines
Mon 11/311:20 pmEZE - SJU
1 stop15h 23mAmerican Airlines
Deal found 9/16$602
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:00 pmSJU - EZE
1 stop10h 35mMultiple Airlines
Mon 12/89:15 pmEZE - SJU
1 stop12h 10mMultiple Airlines
Deal found 9/16$604
This Avianca deal was found by Cheapflights users on 9/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:15 pmSJU - AEP
1 stop10h 25mAvianca
Tue 10/287:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 9/16$606

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 September 17, 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

Tue 3/10

1:00 pm-5:40 am

1 stop15h 40m

Buenos Aires Jorge Newbery

Tue 3/31

7:00 am-4:50 pm

1 stop10h 50m

$594

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 10/30

3:11 pm-4:19 am

1 stop12h 08m

Buenos Aires Ministro Pistarini

Mon 11/3

10:01 am-10:29 pm

1 stop13h 28m

$610

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 10/30

3:11 pm-4:19 am

1 stop12h 08m

Buenos Aires Ministro Pistarini

Thu 11/6

5:16 am-10:29 pm

1 stop18h 13m

$610

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 9/30

5:31 am-4:13 am

1 stop21h 42m

Buenos Aires Ministro Pistarini

Wed 10/1

3:47 am-10:21 pm

1 stop19h 34m

$638

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 11/18

5:27 am-1:00 am

1 stop18h 33m

Buenos Aires Ministro Pistarini

Tue 12/2

5:16 am-10:25 pm

1 stop18h 09m

$666

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 11/19

5:27 am-10:31 pm

1 stop16h 04m

Buenos Aires Ministro Pistarini

Sun 11/30

3:41 am-4:11 pm

1 stop13h 30m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 11/26

5:50 pm-7:20 am

2 stops36h 30m

Buenos Aires Ministro Pistarini

Mon 12/8

10:05 pm-9:00 pm

2 stops23h 55m

$683

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 10/29

4:50 pm-6:20 am

2 stops36h 30m

Buenos Aires Ministro Pistarini

Sun 11/9

11:55 pm-4:36 pm

1 stop17h 41m

$683

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 11/26

5:50 pm-7:20 am

2 stops36h 30m

Buenos Aires Ministro Pistarini

Sat 12/6

10:05 pm-4:36 pm

1 stop19h 31m

$683

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 10/29

1:05 am-6:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

Mon 11/3

10:05 pm-9:00 pm

2 stops23h 55m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 33 results
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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 September 17, 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 September 17, 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
7.6
Good
1,533 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,533 reviews
Copa Airlines
7.6
Good
1,533 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Avianca
6.7
Okay
2,436 reviews
Copa Airlines
7.6
Good
1,533 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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 $610, Avianca can have you in Buenos Aires from Puerto Rico in 12h 08m. The distance between Puerto Rico and Buenos Aires is about 3710 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Puerto Rico to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from Puerto Rico to Buenos Aires are Avianca ($259), Arajet ($276), and Delta ($299).

  • 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

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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.
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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$563Average$734FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$566Average$902FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$578Average$904FlexibilityNo cancel feeOn-time71%

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