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Buenos Aires

$256+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

This Priceline deal was found by Cheapflights users on 11/5. 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.
Sat 11/81:00 pmSJU - EZE
1 stop10h 35mAvianca
Sat 11/157:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 11/5$569
This Booking.com deal was found by Cheapflights users on 11/5. 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.
Sun 11/94:06 pmSJU - EZE
1 stop10h 39mMultiple Airlines
Tue 11/117:30 amEZE - SJU
1 stop10h 35mMultiple Airlines
Deal found 11/5$571
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/61:00 pmSJU - EZE
1 stop10h 35mAvianca
Sat 11/157:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 11/5$574
This Priceline deal was found by Cheapflights users on 11/4. 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.
Fri 12/56:30 pmSJU - EZE
1 stop10h 20mAvianca
Fri 12/127:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 11/4$580
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Sun 11/94:06 pmSJU - EZE
1 stop10h 39mMultiple Airlines
Sat 11/157:30 amEZE - SJU
1 stop10h 35mMultiple Airlines
Deal found 11/5$584
This Avianca deal was found by Cheapflights users on 11/4. 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 11/276:30 pmSJU - EZE
1 stop10h 20mAvianca
Wed 12/37:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 11/4$588
This Copa Airlines deal was found by Cheapflights users on 11/5. 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 11/275:27 amSJU - EZE
1 stop18h 26mCopa Airlines
Tue 12/23:41 amEZE - SJU
1 stop19h 44mCopa Airlines
Deal found 11/5$590
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/214:17 pmSJU - EZE
1 stop17h 03mMultiple Airlines
Wed 11/264:55 pmEZE - SJU
1 stop19h 40mMultiple Airlines
Deal found 11/5$610
This Avianca deal was found by Cheapflights users on 11/4. 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 11/271:00 pmSJU - AEP
1 stop15h 40mAvianca
Wed 12/37:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 11/4$628
This Avianca deal was found by Cheapflights users on 11/4. 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 11/196:30 pmSJU - EZE
1 stop10h 20mAvianca
Sun 12/77:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 11/4$631
This Copa Airlines deal was found by Cheapflights users on 11/4. 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 12/155:27 amSJU - EZE
1 stop16h 04mCopa Airlines
Wed 12/249:03 amEZE - SJU
1 stop14h 22mCopa Airlines
Deal found 11/4$633
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Sun 11/94:45 pmSJU - EZE
3 stops30h 50mAvianca
Tue 11/117:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 11/5$641

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 November 5, 2025.

Round-trip from

$531
(Orbitz)

One-way from

$256
(Avianca)

Popular in

February

Cheapest in

August

Average price

$707
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 November 2025
Search Deals

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 November 5, 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

Sun 11/30

5:27 am-4:10 am

1 stop21h 43m

Buenos Aires Ministro Pistarini

Sat 12/6

5:16 am-4:11 pm

1 stop11h 55m

$590

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Thu 11/27

1:00 pm-5:40 am

1 stop15h 40m

Buenos Aires Jorge Newbery

Wed 12/3

7:00 am-5:05 pm

1 stop11h 05m

$628

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 3/10

5:37 am-1:57 am

1 stop19h 20m

Buenos Aires Ministro Pistarini

Wed 3/18

3:47 am-10:29 pm

1 stop19h 42m

$676

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Sat 3/7

1:00 pm-7:30 am

2 stops17h 30m

Buenos Aires Jorge Newbery

Sat 3/21

7:00 am-5:05 pm

1 stop11h 05m

$682

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 11/19

8:10 am-7:20 am

2 stops22h 10m

Buenos Aires Ministro Pistarini

Tue 12/2

11:55 pm-9:26 pm

1 stop22h 31m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 11/30

8:10 am-9:20 am

2 stops24h 10m

Buenos Aires Ministro Pistarini

Sat 12/6

11:55 pm-9:26 pm

1 stop22h 31m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 11/18

2:05 am-9:20 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

Sun 12/7

11:55 pm-4:36 pm

1 stop17h 41m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 11/22

2:05 am-9:20 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

Fri 12/5

11:55 pm-4:36 pm

1 stop17h 41m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 3/4

6:14 pm-7:55 am

1 stop12h 41m

Buenos Aires Ministro Pistarini

Tue 3/10

3:47 am-10:29 pm

1 stop19h 42m

$696

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 3/24

7:00 am-5:05 pm

1 stop11h 05m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 29 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 $686). 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 November 5, 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 November 5, 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

Boarding

7.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.9

Overall

7.6

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

Boarding

7.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.9

Overall

7.6

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
2,469 reviews
Copa Airlines
7.6
Good
1,561 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.9

Overall

7.6

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.

  • 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 Copa Airlines ($300), United Airlines ($303), and Avianca ($467).

  • 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 $686). 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$554Average$730FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$566Average$922FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$744Average$1,033FlexibilityNo cancel feeOn-time71%

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