HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$239+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Puerto Rico to Buenos Aires with Cheapflights

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

Keep the following information in mind while searching for Puerto Rico to Buenos Aires flight deals. Data was last updated January 15, 2026.

Round-trip from

$468
(Avianca)

One-way from

$239
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$808
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. 12% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 15, 2026.

This Avianca deal was found by Cheapflights users on 1/14. 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 3/261:00 pm
SJU
-
EZE
1 stop15h 50m
Avianca
Mon 3/306:10 am
EZE
-
SJU
3 stops35h 40m
Avianca
Deal found 1/14$468
This Gotogate deal was found by Cheapflights users on 1/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:30 pm
SJU
-
EZE
1 stop20h 20m
Avianca
Sun 3/156:15 am
EZE
-
SJU
3 stops54h 20m
Avianca
Deal found 1/15$544
This Avianca deal was found by Cheapflights users on 1/14. 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 3/274:45 pm
SJU
-
EZE
1 stop31h 50m
Avianca
Mon 3/306:10 am
EZE
-
SJU
3 stops30h 45m
Avianca
Deal found 1/14$553
This Expedia deal was found by Cheapflights users on 1/13. 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.
Fri 5/155:50 pm
SJU
-
EZE
1 stop11h 55m
Arajet
Mon 5/259:15 pm
EZE
-
SJU
1 stop11h 50m
Arajet
Deal found 1/13$575
This Booking.com deal was found by Cheapflights users on 1/14. 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 10/279:35 am
SJU
-
EZE
1 stop17h 10m
Multiple Airlines
Sun 11/12:40 am
EZE
-
SJU
1 stop13h 40m
Multiple Airlines
Deal found 1/14$592
This Booking.com deal was found by Cheapflights users on 1/13. 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 10/123:20 pm
SJU
-
EZE
1 stop11h 03m
Multiple Airlines
Thu 10/222:30 am
EZE
-
SJU
1 stop13h 30m
Multiple Airlines
Deal found 1/13$608
This Booking.com deal was found by Cheapflights users on 1/13. 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 4/79:35 am
SJU
-
EZE
1 stop17h 10m
Multiple Airlines
Tue 4/286:50 am
EZE
-
SJU
1 stop11h 00m
Multiple Airlines
Deal found 1/13$616
This Priceline deal was found by Cheapflights users on 1/13. 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 4/136:15 pm
SJU
-
EZE
1 stop10h 30m
Avianca
Tue 5/121:40 am
EZE
-
SJU
1 stop16h 10m
Avianca
Deal found 1/13$623
This Booking.com deal was found by Cheapflights users on 1/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:00 pm
SJU
-
EZE
1 stop12h 00m
Multiple Airlines
Thu 4/236:50 am
EZE
-
SJU
1 stop11h 00m
Multiple Airlines
Deal found 1/15$629
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:00 pm
SJU
-
EZE
2 stops30h 36m
Multiple Airlines
Thu 5/146:50 am
EZE
-
SJU
1 stop11h 00m
Multiple Airlines
Deal found 1/15$630
This Priceline deal was found by Cheapflights users on 1/13. 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 3/256:30 pm
SJU
-
EZE
1 stop10h 20m
Avianca
Sun 3/291:40 am
EZE
-
SJU
1 stop16h 10m
Avianca
Deal found 1/13$636
This Priceline deal was found by Cheapflights users on 1/14. 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 4/156:15 pm
SJU
-
AEP
1 stop10h 25m
Avianca
Fri 5/157:00 am
AEP
-
SJU
1 stop10h 50m
Avianca
Deal found 1/14$649

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 January 15, 2026.
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

Thu 3/26

1:00 pm-5:50 am

1 stop15h 50m

Buenos Aires Ministro Pistarini

Mon 3/30

6:10 am-4:50 pm

3 stops35h 40m

$468

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 3/27

4:45 pm-1:35 am

1 stop31h 50m

Buenos Aires Ministro Pistarini

Mon 3/30

6:10 am-11:55 am

3 stops30h 45m

$553

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 4/13

6:15 pm-5:45 am

1 stop10h 30m

Buenos Aires Ministro Pistarini

Tue 5/12

1:40 am-4:50 pm

1 stop16h 10m

$623

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

Mon 3/23

3:47 am-4:09 pm

1 stop13h 22m

$676

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 - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 3/3

5:37 am-10:58 pm

1 stop16h 21m

Buenos Aires Ministro Pistarini

Wed 3/18

5:16 am-10:29 pm

1 stop18h 13m

$686

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 3/13

5:37 am-1:02 am

1 stop18h 25m

Buenos Aires Ministro Pistarini

Mon 3/23

3:47 am-4:09 pm

1 stop13h 22m

$686

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 3/11

7:11 am-7:10 am

1 stop22h 59m

Buenos Aires Ministro Pistarini

Sun 3/15

9:50 pm-12:33 pm

1 stop15h 43m

$688

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 1/23

7:45 am-7:20 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

Fri 1/30

11:55 pm-4:36 pm

1 stop17h 41m

$699

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Tue 3/3

1:00 pm-5:40 am

1 stop15h 40m

Buenos Aires Jorge Newbery

Wed 3/18

7:00 am-5:05 pm

1 stop11h 05m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 36 results
1
2
3
4

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 $636). 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.

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 January 15, 2026.
Peruse reviews from past customers who have flown with Copa Airlines, American 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
1,559 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Boarding

7.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
Copa Airlines
7.6
Good
1,559 reviews
Copa Airlines
7.6
Good
1,559 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Boarding

7.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
American Airlines
7.2
Good
11,136 reviews
Copa Airlines
7.6
Good
1,559 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Boarding

7.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
Avianca
6.6
Okay
2,492 reviews
Copa Airlines
7.6
Good
1,559 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Boarding

7.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

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 $468, Avianca can have you in Buenos Aires from Puerto Rico in 15h 50m. 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 ($241), Copa Airlines ($289), and Arajet ($304).

  • 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 $636). 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.
Santo Domingo to Ministro Pistarini flights
Punta Cana to Ministro Pistarini flights
Luis Munoz Marin Intl 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$543Average$719FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$602Average$874FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$610Average$873FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.