Buenos Aires

$269+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
May 30 — Jun 61
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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 April 30, 2026.

This Expedia deal was found by Cheapflights users on 4/29. 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 6/83:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Wed 6/104:00 am
EZE
-
SJU
1 stop11h 34m
Arajet
Deal found 4/29$608
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/155:50 pm
SJU
-
EZE
1 stop14h 26m
Arajet
Mon 5/252:45 am
EZE
-
SJU
1 stop13h 15m
Arajet
Deal found 4/28$623
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Mon 6/153:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Mon 6/292:45 am
EZE
-
SJU
1 stop13h 15m
Arajet
Deal found 4/29$635
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/24:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Sat 6/136:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 4/28$640
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Sat 7/116:35 am
EZE
-
SJU
1 stop10h 29m
Arajet
Deal found 4/28$644
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Mon 10/59:15 pm
EZE
-
SJU
1 stop18h 45m
Arajet
Deal found 4/28$648
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 5/314:00 pm
SJU
-
EZE
1 stop12h 00m
Arajet
Sat 6/136:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 4/28$660
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/144:00 pm
SJU
-
EZE
1 stop12h 00m
Multiple Airlines
Sat 6/202:30 am
EZE
-
SJU
1 stop13h 45m
Multiple Airlines
Deal found 4/28$667
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/24:30 pm
SJU
-
EZE
1 stop10h 15m
Multiple Airlines
Tue 6/165:00 am
EZE
-
SJU
2 stops33h 50m
Multiple Airlines
Deal found 4/28$668
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Tue 6/94:30 pm
SJU
-
AEP
2 stops17h 00m
Multiple Airlines
Tue 6/169:35 am
AEP
-
SJU
3 stops29h 15m
Multiple Airlines
Deal found 4/25$755
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 5/296:35 pm
SJU
-
AEP
2 stops25h 45m
Multiple Airlines
Thu 6/47:40 am
AEP
-
SJU
3 stops33h 40m
Multiple Airlines
Deal found 4/29$768
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:30 pm
SJU
-
AEP
2 stops25h 00m
Multiple Airlines
Tue 5/261:00 pm
AEP
-
SJU
3 stops26h 34m
Multiple Airlines
Deal found 4/28$769

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 April 30, 2026.

Round-trip from

$608
(Expedia)

One-way from

$269
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$723
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 ($99 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 30, 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

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 10/3

9:00 pm-3:45 am

1 stop29h 45m

Buenos Aires Ministro Pistarini

Sat 10/10

6:35 am-4:39 pm

1 stop11h 04m

$710
Quickest round-trip

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 6/12

5:34 am-4:15 am

1 stop21h 41m

Buenos Aires Ministro Pistarini

Fri 6/19

5:25 am-4:14 pm

1 stop11h 49m

$766

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Sun 7/12

12:56 pm-7:40 am

2 stops41h 44m

Buenos Aires Jorge Newbery

Tue 7/28

8:05 pm-11:46 am

2 stops40h 41m

$778

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Fri 10/16

7:30 am-4:00 pm

2 stops31h 30m

Buenos Aires Jorge Newbery

Sun 10/25

5:05 pm-9:59 pm

2 stops29h 54m

$778

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 5/28

7:20 am-8:00 am

2 stops23h 40m

Buenos Aires Ministro Pistarini

Fri 6/12

9:00 pm-11:50 pm

2 stops27h 50m

$783

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 8/17

7:00 am-8:00 am

1 stop24h 00m

Buenos Aires Ministro Pistarini

Fri 9/25

9:00 pm-1:45 pm

2 stops41h 45m

$783

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 5/28

7:00 am-8:00 am

1 stop24h 00m

Buenos Aires Ministro Pistarini

Fri 6/5

9:00 pm-1:45 pm

2 stops41h 45m

$783

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 7/11

2:42 pm-9:40 am

2 stops17h 58m

Buenos Aires Ministro Pistarini

Fri 7/31

1:10 pm-4:45 pm

2 stops28h 35m

$783

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 5/11

7:40 am-8:00 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 5/18

9:00 pm-9:24 pm

2 stops25h 24m

$783

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 5/29

5:43 pm-9:45 am

1 stop15h 02m

Buenos Aires Ministro Pistarini

Fri 6/5

8:10 pm-4:29 pm

2 stops21h 19m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 41 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

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 5 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.

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 August is currently the most expensive (average of $312). 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 April 30, 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.

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

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 $766, Arajet can have you in Buenos Aires from Puerto Rico in 21h 41m. 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 ($260), Arajet ($271), and Copa Airlines ($289).

  • 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 August is currently the most expensive (average of $312). 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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$293Average$627FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$543Average$720FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$557Average$812FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$949FlexibilityNo cancel feeOn-time71%

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