Buenos Aires

$259+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Apr 1 — Apr 81
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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 March 2, 2026.

This Expedia deal was found by Cheapflights users on 3/1. 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.
Wed 4/84:04 pm
SJU
-
EZE
1 stop13h 06m
Arajet
Wed 4/154:45 am
EZE
-
SJU
1 stop10h 49m
Arajet
Deal found 3/1$567
This FlightHub deal was found by Cheapflights users on 2/26. 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.
Fri 6/55:50 pm
SJU
-
EZE
1 stop14h 11m
Arajet
Fri 6/124:00 am
EZE
-
SJU
1 stop13h 20m
Arajet
Deal found 2/26$601
This FlightHub deal was found by Cheapflights users on 3/1. 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.
Fri 6/125:50 pm
SJU
-
EZE
1 stop11h 55m
Arajet
Fri 6/194:45 am
EZE
-
SJU
1 stop12h 35m
Arajet
Deal found 3/1$609
This Travelocity deal was found by Cheapflights users on 2/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:50 pm
SJU
-
EZE
1 stop14h 11m
Arajet
Sat 5/26:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 2/26$611
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Tue 5/199:35 am
SJU
-
EZE
1 stop17h 10m
Arajet
Sat 5/306:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 2/28$619
This Expedia deal was found by Cheapflights users on 3/1. 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.
Tue 3/319:35 am
SJU
-
EZE
1 stop17h 10m
Multiple Airlines
Tue 4/77:10 am
EZE
-
SJU
1 stop11h 00m
Multiple Airlines
Deal found 3/1$621
This Orbitz deal was found by Cheapflights users on 2/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:50 pm
SJU
-
EZE
1 stop11h 55m
Arajet
Sat 4/117:45 am
EZE
-
SJU
1 stop12h 23m
Arajet
Deal found 2/28$625
This Travelocity deal was found by Cheapflights users on 2/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:04 pm
SJU
-
EZE
1 stop16h 56m
Arajet
Sat 5/302:45 am
EZE
-
SJU
1 stop12h 45m
Arajet
Deal found 2/26$627
This Booking.com deal was found by Cheapflights users on 2/28. 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 8/124:04 pm
SJU
-
EZE
1 stop16h 56m
Multiple Airlines
Sun 8/167:10 am
EZE
-
SJU
1 stop11h 00m
Multiple Airlines
Deal found 2/28$629
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Wed 5/204:04 pm
SJU
-
EZE
1 stop16h 56m
Arajet
Sat 5/306:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 2/28$635
This Orbitz deal was found by Cheapflights users on 2/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:04 pm
SJU
-
EZE
1 stop16h 56m
Multiple Airlines
Sun 5/317:10 am
EZE
-
SJU
1 stop11h 00m
Multiple Airlines
Deal found 2/28$637
This FlightHub deal was found by Cheapflights users on 2/27. 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.
Fri 5/295:50 pm
SJU
-
EZE
1 stop14h 11m
Arajet
Fri 6/54:45 am
EZE
-
SJU
1 stop12h 35m
Arajet
Deal found 2/27$640

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 March 2, 2026.

Round-trip from

$567
(Expedia)

One-way from

$259
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$702
From Puerto Rico to Buenos Aires (BUE)
One-way flight from Puerto Rico to Buenos Aires (BUE)
Highest demand for flights based on searches. 12% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 2, 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

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 6/15

5:34 am-10:27 pm

1 stop15h 53m

Buenos Aires Ministro Pistarini

Tue 6/30

9:02 am-10:29 pm

1 stop14h 27m

$696

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 6/21

5:34 am-12:52 am

1 stop18h 18m

Buenos Aires Ministro Pistarini

Mon 6/29

3:48 am-10:29 pm

1 stop19h 41m

$696

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 3/17

5:37 am-10:58 pm

1 stop16h 21m

Buenos Aires Ministro Pistarini

Sat 3/21

3:47 am-4:09 pm

1 stop13h 22m

$696

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 3/30

5:37 am-4:30 am

1 stop21h 53m

Buenos Aires Ministro Pistarini

Mon 4/6

5:34 am-8:28 pm

1 stop15h 54m

$696

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 8/27

2:40 pm-9:20 am

2 stops17h 40m

Buenos Aires Ministro Pistarini

Mon 8/31

8:10 pm-4:31 pm

2 stops21h 21m

$713

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 4/25

7:40 am-8:00 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

Tue 5/12

9:00 pm-8:34 pm

2 stops24h 34m

$713

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 8/15

2:40 pm-9:20 am

2 stops17h 40m

Buenos Aires Ministro Pistarini

Sat 8/22

10:40 pm-4:35 pm

2 stops18h 55m

$713

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 7/24

3:11 pm-4:15 am

1 stop12h 04m

Buenos Aires Ministro Pistarini

Thu 7/30

3:48 am-4:14 pm

1 stop13h 26m

$716

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 3/13

6:14 pm-7:55 am

1 stop12h 41m

Buenos Aires Ministro Pistarini

Tue 3/24

5:16 am-10:29 pm

1 stop18h 13m

$716

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 5/29

1:14 pm-9:00 am

2 stops18h 46m

Buenos Aires Ministro Pistarini

Fri 6/5

8:10 pm-1:38 pm

1 stop18h 28m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 35 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, 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 January is currently the most expensive (average of $690). 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 March 2, 2026.
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.

Entertainment

6.8

Boarding

7.8

Comfort

7.4

Food

6.8

Crew

8.1

Overall

7.5

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

Boarding

7.8

Comfort

7.4

Food

6.8

Crew

8.1

Overall

7.5

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

Boarding

7.8

Comfort

7.4

Food

6.8

Crew

8.1

Overall

7.5

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 $696, Copa Airlines can have you in Buenos Aires from Puerto Rico in 21h 53m. 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 ($291).

  • 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 January is currently the most expensive (average of $690). 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 March 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$263Average$611FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$533Average$699FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$557Average$852FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$953FlexibilityNo cancel feeOn-time71%

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