Buenos Aires

$265+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Jul 16 — Jul 231
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Cheap 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 June 16, 2026.

This Arajet deal was found by Cheapflights users on 6/12. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Mon 9/282:45 am
EZE
-
SJU
1 stop13h 15m
Arajet
Deal found 6/12$631
This Booking.com deal was found by Cheapflights users on 6/15. 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 11/154:00 pm
SJU
-
EZE
1 stop12h 00m
Arajet
Wed 12/29:15 pm
EZE
-
SJU
1 stop18h 39m
Arajet
Deal found 6/15$635
This Booking.com deal was found by Cheapflights users on 6/12. 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.
Thu 11/194:24 pm
SJU
-
EZE
1 stop26h 51m
Arajet
Mon 11/309:15 pm
EZE
-
SJU
1 stop11h 45m
Arajet
Deal found 6/12$648
This Arajet deal was found by Cheapflights users on 6/14. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Sat 9/266:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 6/14$650
This Booking.com deal was found by Cheapflights users on 6/15. 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.
Wed 10/284:04 pm
SJU
-
EZE
1 stop16h 56m
Arajet
Wed 11/49:15 pm
EZE
-
SJU
1 stop18h 39m
Arajet
Deal found 6/15$653
This CheapOair deal was found by Cheapflights users on 6/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:28 pm
SJU
-
EZE
1 stop12h 42m
Arajet
Sat 11/216:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 6/16$661
This Arajet deal was found by Cheapflights users on 6/16. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Wed 9/164:00 am
EZE
-
SJU
1 stop11h 34m
Arajet
Deal found 6/16$665
This Arajet deal was found by Cheapflights users on 6/16. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Thu 10/1511:00 am
EZE
-
SJU
1 stop30h 20m
Arajet
Deal found 6/16$666
This Booking.com deal was found by Cheapflights users on 6/15. 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 11/154:00 pm
SJU
-
EZE
1 stop12h 00m
Arajet
Tue 12/16:35 am
EZE
-
SJU
1 stop32h 15m
Arajet
Deal found 6/15$667
This Arajet deal was found by Cheapflights users on 6/13. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:50 pm
SJU
-
EZE
1 stop12h 40m
Arajet
Fri 8/219:15 pm
EZE
-
SJU
1 stop23h 15m
Arajet
Deal found 6/13$669
This Arajet deal was found by Cheapflights users on 6/16. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Thu 10/2211:00 am
EZE
-
SJU
1 stop30h 20m
Arajet
Deal found 6/16$670
This Avianca deal was found by Cheapflights users on 6/16. 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.
Tue 9/11:05 pm
SJU
-
AEP
1 stop15h 35m
Avianca
Wed 9/167:00 am
AEP
-
SJU
1 stop11h 10m
Avianca
Deal found 6/16$805

Find 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 June 16, 2026.

Round-trip from

$650
(Arajet)

One-way from

$265
(Booking.com)

Popular in

February

Cheapest in

May

Average price

$639
From Puerto Rico to Buenos Aires (BUE)
One-way flight from Puerto Rico to Buenos Aires (BUE)
Highest demand for flights based on searches. 11% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 16, 2026.
Use the filters below to find and compare flights from Puerto Rico to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 10/23

5:50 pm-6:45 am

1 stop11h 55m

Buenos Aires Ministro Pistarini

Sat 10/31

6:35 am-4:39 pm

1 stop11h 04m

$646

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 9/13

4:00 pm-12:05 am

1 stop31h 05m

Buenos Aires Ministro Pistarini

Thu 9/24

9:45 am-4:20 pm

1 stop31h 35m

$683

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 6/26

2:55 pm-8:00 am

1 stop16h 05m

Buenos Aires Ministro Pistarini

Sat 7/4

9:00 pm-5:29 am

1 stop33h 29m

$779

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 7/4

2:41 pm-9:45 am

1 stop18h 04m

Buenos Aires Ministro Pistarini

Sat 7/11

10:40 pm-4:39 pm

2 stops18h 59m

$784

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 6/26

2:05 am-8:00 am

1 stop28h 55m

Buenos Aires Ministro Pistarini

Sun 7/5

9:00 pm-9:24 pm

2 stops49h 24m

$784

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 9/22

2:26 pm-9:40 am

2 stops18h 14m

Buenos Aires Ministro Pistarini

Tue 9/29

8:10 pm-1:16 pm

1 stop18h 06m

$784

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 9/27

1:00 am-8:00 am

2 stops30h 00m

Buenos Aires Ministro Pistarini

Mon 10/5

9:00 pm-3:42 pm

1 stop19h 42m

$784

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 6/27

12:54 pm-9:40 am

2 stops19h 46m

Buenos Aires Ministro Pistarini

Sun 7/5

8:10 pm-4:46 pm

1 stop21h 36m

$784

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 10/19

12:46 pm-9:40 am

2 stops19h 54m

Buenos Aires Ministro Pistarini

Tue 10/27

4:45 pm-1:21 pm

2 stops21h 36m

$784

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Mon 11/16

1:55 pm-2:00 pm

2 stops23h 05m

Buenos Aires Jorge Newbery

Wed 12/2

2:55 pm-2:20 pm

2 stops24h 25m

$1,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 37 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $206). Flying from Puerto Rico to Buenos Aires in May is currently the most expensive (average of $457). 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.

How far ahead should I book a flight from Puerto Rico to Buenos Aires?

The best time to book flights from Puerto Rico to Buenos Aires is 3 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 June 16, 2026.
Peruse reviews from past customers who have flown with Copa Airlines,American Airlines, andAvianca 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.

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

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

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

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

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

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

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

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 $665, Arajet can have you in Buenos Aires from Puerto Rico in 10h 15m. 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 ($262), Arajet ($282), and Copa Airlines ($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, November is the cheapest month in which you can book a flight from Puerto Rico to Buenos Aires (average of $206). Flying from Puerto Rico to Buenos Aires in May is currently the most expensive (average of $457). 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.

Top 4 airlines flying from Puerto Rico to Buenos Aires

Discover the top 4 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 June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$293Average$649FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$532Average$686FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$599Average$842FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$953FlexibilityNo cancel feeOn-time71%

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