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Buenos Aires

$268+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Puerto Rico to Buenos Aires

Best flights from Puerto Rico to Buenos Aires
Discover carefully curated flight deals from Puerto Rico to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Expedia deal was found by Cheapflights users on 1/1. 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.
Mon 2/234:45 pmSJU - EZE
1 stop31h 50mMultiple Airlines
Sat 2/282:45 amEZE - SJU
1 stop14h 54mMultiple Airlines
Deal found 1/1$640
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 4/166:15 pmSJU - EZE
1 stop10h 30mAvianca
Wed 4/291:40 amEZE - SJU
1 stop11h 15mAvianca
Deal found 1/1$644
This Copa Airlines deal was found by Cheapflights users on 1/1. 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 5/45:27 amSJU - EZE
1 stop20h 03mCopa Airlines
Mon 5/113:48 amEZE - SJU
1 stop19h 36mCopa Airlines
Deal found 1/1$676
This Priceline deal was found by Cheapflights users on 12/31. 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 4/246:15 pmSJU - AEP
1 stop10h 25mAvianca
Tue 4/287:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 12/31$649
This Copa Airlines deal was found by Cheapflights users on 12/30. 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.
Mon 3/235:37 amSJU - EZE
1 stop19h 20mCopa Airlines
Mon 3/303:55 amEZE - SJU
1 stop13h 14mCopa Airlines
Deal found 12/30$676
This Copa Airlines deal was found by Cheapflights users on 12/31. 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 6/15:34 amSJU - EZE
1 stop18h 18mCopa Airlines
Wed 6/103:48 amEZE - SJU
1 stop13h 26mCopa Airlines
Deal found 12/31$676
This FlightHub deal was found by Cheapflights users on 1/2. 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.
Thu 2/191:00 pmSJU - AEP
1 stop15h 40mAvianca
Wed 2/257:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 1/2$701
This Copa Airlines deal was found by Cheapflights users on 1/2. 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.
Fri 6/195:34 amSJU - EZE
1 stop18h 18mCopa Airlines
Mon 6/293:48 amEZE - SJU
1 stop13h 26mCopa Airlines
Deal found 1/2$676
This Priceline deal was found by Cheapflights users on 1/1. 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.
Tue 2/241:00 pmSJU - AEP
1 stop15h 40mAvianca
Wed 3/117:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 1/1$702
This Copa Airlines deal was found by Cheapflights users on 1/1. 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 3/105:37 amSJU - EZE
1 stop21h 33mCopa Airlines
Mon 3/233:47 amEZE - SJU
1 stop13h 22mCopa Airlines
Deal found 1/1$676
This Copa Airlines deal was found by Cheapflights users on 12/31. 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 5/285:27 amSJU - EZE
1 stop15h 58mCopa Airlines
Fri 6/129:02 amEZE - SJU
1 stop14h 27mCopa Airlines
Deal found 12/31$676
This FlightHub deal was found by Cheapflights users on 1/1. 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.
Tue 3/101:00 pmSJU - AEP
1 stop15h 40mAvianca
Tue 3/317:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 1/1$792
This Copa Airlines deal was found by Cheapflights users on 1/1. 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 5/185:27 amSJU - EZE
1 stop18h 23mCopa Airlines
Tue 5/263:48 amEZE - SJU
1 stop13h 21mCopa Airlines
Deal found 1/1$676
This FlightHub deal was found by Cheapflights users on 12/31. 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.
Sat 3/71:00 pmSJU - AEP
1 stop15h 40mAvianca
Sat 3/217:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 12/31$800
This Copa Airlines deal was found by Cheapflights users on 1/2. 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 3/105:37 amSJU - EZE
1 stop18h 25mCopa Airlines
Thu 3/195:16 amEZE - SJU
1 stop18h 13mCopa Airlines
Deal found 1/2$676
This Priceline deal was found by Cheapflights users on 1/1. 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 3/281:00 pmSJU - AEP
1 stop15h 40mAvianca
Sun 4/57:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 1/1$815
This Avianca deal was found by Cheapflights users on 1/2. 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 3/101:00 pmSJU - AEP
1 stop15h 40mAvianca
Thu 3/197:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 1/2$818
This Avianca deal was found by Cheapflights users on 1/1. 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 3/101:00 pmSJU - AEP
1 stop15h 40mAvianca
Tue 3/247:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 1/1$818
This Trip.com deal was found by Cheapflights users on 1/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:15 pmSJU - AEP
1 stop10h 25mAvianca
Sun 6/77:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 1/1$838
This Avianca deal was found by Cheapflights users on 12/31. 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 5/211:15 pmSJU - AEP
1 stop15h 25mAvianca
Sun 5/317:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 12/31$859

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 January 2, 2026.

Round-trip from

$582
(Kiwi.com)

One-way from

$268
(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 ($98 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
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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 January 2, 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

Mon 2/23

4:45 pm-1:35 am

1 stop31h 50m

Buenos Aires Ministro Pistarini

Sat 2/28

2:45 am-4:39 pm

1 stop14h 54m

$640

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 4/16

6:15 pm-5:45 am

1 stop10h 30m

Buenos Aires Ministro Pistarini

Wed 4/29

1:40 am-11:55 am

1 stop11h 15m

$644

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Fri 4/24

6:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

Tue 4/28

7:00 am-4:50 pm

1 stop10h 50m

$649

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 5/4

5:27 am-2:30 am

1 stop20h 03m

Buenos Aires Ministro Pistarini

Mon 5/11

3:48 am-10:24 pm

1 stop19h 36m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 3/23

5:37 am-1:57 am

1 stop19h 20m

Buenos Aires Ministro Pistarini

Mon 3/30

3:55 am-4:09 pm

1 stop13h 14m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 6/1

5:34 am-12:52 am

1 stop18h 18m

Buenos Aires Ministro Pistarini

Wed 6/10

3:48 am-4:14 pm

1 stop13h 26m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 6/19

5:34 am-12:52 am

1 stop18h 18m

Buenos Aires Ministro Pistarini

Mon 6/29

3:48 am-4:14 pm

1 stop13h 26m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 3/10

5:37 am-4:10 am

1 stop21h 33m

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

Thu 5/28

5:27 am-10:25 pm

1 stop15h 58m

Buenos Aires Ministro Pistarini

Fri 6/12

9:02 am-10:29 pm

1 stop14h 27m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 5/18

5:27 am-12:50 am

1 stop18h 23m

Buenos Aires Ministro Pistarini

Tue 5/26

3:48 am-4:09 pm

1 stop13h 21m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 31 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.

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 2, 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
1,566 reviews

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.1

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
Copa Airlines
7.6
Good
1,566 reviews
Copa Airlines
7.6
Good
1,566 reviews

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.1

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
American Airlines
7.2
Good
11,074 reviews
Copa Airlines
7.6
Good
1,566 reviews

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.1

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
Avianca
6.6
Okay
2,496 reviews
Copa Airlines
7.6
Good
1,566 reviews

Food

6.8

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.1

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 $644, Avianca can have you in Buenos Aires from Puerto Rico in 10h 30m. 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 $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.
Punta Cana to Ministro Pistarini flights
Santo Domingo 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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$546Average$719FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$602Average$874FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$636Average$883FlexibilityNo cancel feeOn-time70%

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