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Buenos Aires

$254+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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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 octubre 30, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/288:20 amSJU - EZE
1 stop10h 55mMultiple Airlines
vie. 12/57:30 amEZE - SJU
1 stop10h 35mMultiple Airlines
Deal found 10/29$484
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/151:00 pmSJU - EZE
1 stop15h 50mAvianca
mié. 11/267:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/30$555
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:30 pmSJU - EZE
1 stop10h 20mAvianca
jue. 11/277:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/29$580
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/276:30 pmSJU - EZE
1 stop10h 20mAvianca
mié. 12/37:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/30$588
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.
mié. 12/105:27 amSJU - EZE
1 stop18h 31mCopa Airlines
vie. 12/125:16 amEZE - SJU
1 stop18h 09mCopa Airlines
Deal found 10/30$590
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/104:56 pmSJU - EZE
1 stop13h 04mAmerican Airlines
lun. 11/179:40 pmEZE - SJU
1 stop21h 12mAmerican Airlines
Deal found 10/30$602
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/266:30 pmSJU - EZE
1 stop10h 20mAvianca
mar. 12/97:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/29$610
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/218:20 amSJU - EZE
1 stop10h 55mMultiple Airlines
mar. 11/257:30 amEZE - SJU
1 stop10h 35mMultiple Airlines
Deal found 10/30$618
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:00 pmSJU - AEP
1 stop15h 40mAvianca
mié. 12/37:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 10/30$628
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/196:30 pmSJU - EZE
1 stop10h 20mAvianca
dom. 12/77:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/30$631
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:30 pmSJU - AEP
3 stops32h 10mMultiple Airlines
jue. 11/277:00 amAEP - SJU
1 stop11h 05mMultiple Airlines
Deal found 10/29$638
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/181:00 pmSJU - AEP
1 stop15h 40mAvianca
lun. 12/17:00 amAEP - SJU
1 stop29h 35mAvianca
Deal found 10/30$813

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 octubre 30, 2025.

Round-trip from

$484
(Booking.com)

One-way from

$254
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$616
From Puerto Rico to Buenos Aires (BUE)
Search Deals
One-way flight from Puerto Rico to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 octubre 30, 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 - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

mié. 12/10

5:27 am-12:58 am

1 stop18h 31m

Buenos Aires Ministro Pistarini

jue. 12/11

3:41 am-4:11 pm

1 stop13h 30m

$590

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

jue. 11/27

5:27 am-1:00 am

1 stop18h 33m

Buenos Aires Ministro Pistarini

mar. 12/2

2:15 am-10:25 pm

1 stop21h 10m

$610

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

jue. 11/27

1:00 pm-5:40 am

1 stop15h 40m

Buenos Aires Jorge Newbery

mié. 12/3

7:00 am-5:05 pm

1 stop11h 05m

$628

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

jue. 11/6

7:45 am-7:20 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

sáb. 11/15

11:55 pm-4:36 pm

1 stop17h 41m

$688

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

lun. 11/10

3:46 pm-9:20 am

1 stop16h 34m

Buenos Aires Ministro Pistarini

sáb. 11/15

11:55 pm-4:36 pm

1 stop17h 41m

$688

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

dom. 11/9

2:05 am-7:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

lun. 11/17

11:55 pm-4:36 pm

1 stop17h 41m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

dom. 11/9

2:05 am-7:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

mar. 11/18

11:55 pm-9:26 pm

1 stop22h 31m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

vie. 1/9

2:05 am-9:20 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

sáb. 1/24

11:55 pm-3:40 pm

2 stops40h 45m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

jue. 1/15

4:52 pm-7:20 am

2 stops37h 28m

Buenos Aires Ministro Pistarini

sáb. 1/24

11:55 pm-3:40 pm

2 stops40h 45m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

mar. 11/18

2:05 am-7:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

mar. 12/2

11:55 pm-4:36 pm

1 stop17h 41m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 37 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, June is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $253). Flying from Puerto Rico to Buenos Aires in February is currently the most expensive (average of $691). 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 octubre 30, 2025.

It’s typically best to fly out from Puerto Rico to Buenos Aires at noon. Doing so could potentially save you 47% on the flight price compared to flying in the evening, which is usually more expensive.

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 octubre 30, 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
1,561 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

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
1,561 reviews
Copa Airlines
7.6
Good
1,561 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

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
6.6
Okay
2,467 reviews
Copa Airlines
7.6
Good
1,561 reviews

Overall

7.6

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

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 $628, Copa Airlines can have you in Buenos Aires from Puerto Rico in 15h 40m. The distance between Puerto Rico and Buenos Aires is about 3693 mi. This flight may include one or multiple stops.

  • 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, June is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $253). Flying from Puerto Rico to Buenos Aires in February is currently the most expensive (average of $691). 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.
Santo Domingo to Ministro Pistarini flights
Luis Munoz Marin Intl 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$555Average$730FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$566Average$901FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$744Average$1,033FlexibilityNo cancel feeOn-time71%

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