Buenos Aires

$267+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Jul 29 — Aug 51
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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 29, 2026.

This Booking.com deal was found by Cheapflights users on 6/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:00 pm
SJU
-
EZE
1 stop12h 00m
Arajet
Sat 11/77:45 am
EZE
-
SJU
1 stop12h 35m
Arajet
Deal found 6/27$611
This Expedia deal was found by Cheapflights users on 6/24. 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.
Sat 9/54:40 pm
SJU
-
EZE
1 stop31h 40m
Multiple Airlines
Mon 9/149:15 pm
EZE
-
SJU
1 stop18h 45m
Multiple Airlines
Deal found 6/24$624
This Booking.com deal was found by Cheapflights users on 6/28. 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.
Thu 11/264:24 pm
SJU
-
EZE
1 stop10h 21m
Arajet
Mon 11/309:15 pm
EZE
-
SJU
1 stop11h 45m
Arajet
Deal found 6/28$625
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/11:05 pm
SJU
-
EZE
2 stops16h 05m
Multiple Airlines
Wed 9/94:00 am
EZE
-
SJU
1 stop11h 34m
Multiple Airlines
Deal found 6/24$627
This Mytrip deal was found by Cheapflights users on 6/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:04 pm
SJU
-
EZE
3 stops31h 21m
Multiple Airlines
Wed 9/94:00 am
EZE
-
SJU
1 stop11h 34m
Multiple Airlines
Deal found 6/26$628
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:04 pm
SJU
-
EZE
1 stop13h 41m
Arajet
Sat 10/102:45 am
EZE
-
SJU
1 stop12h 45m
Arajet
Deal found 6/25$629
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 8/184:30 pm
SJU
-
EZE
2 stops36h 40m
Multiple Airlines
Sat 9/196:35 am
EZE
-
SJU
1 stop11h 04m
Multiple Airlines
Deal found 6/28$632
This FlightHub deal was found by Cheapflights users on 6/25. 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 FlightHub 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 9/164:45 am
EZE
-
SJU
1 stop10h 49m
Arajet
Deal found 6/25$633
This Arajet deal was found by Cheapflights users on 6/24. 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 6/24$635
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 8/175:34 am
SJU
-
EZE
1 stop15h 52m
Multiple Airlines
Mon 9/149:15 pm
EZE
-
SJU
1 stop18h 45m
Multiple Airlines
Deal found 6/28$636
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 8/185:34 am
SJU
-
EZE
1 stop15h 52m
Multiple Airlines
Mon 9/149:15 pm
EZE
-
SJU
1 stop18h 45m
Multiple Airlines
Deal found 6/28$637
This Mytrip deal was found by Cheapflights users on 6/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:30 pm
SJU
-
AEP
2 stops17h 30m
Multiple Airlines
Sat 9/199:35 am
AEP
-
SJU
3 stops29h 55m
Multiple Airlines
Deal found 6/26$706

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 29, 2026.

Round-trip from

$624
(Expedia)

One-way from

$267
(FlightHub)

Popular in

February

Cheapest in

May

Average price

$763
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 ($88 potential increase over avg. RT price).
Cheapest flight prices on average. 1% 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 29, 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

Tue 9/1

4:30 pm-3:45 am

1 stop10h 15m

Buenos Aires Ministro Pistarini

Wed 9/16

4:00 am-2:34 pm

1 stop11h 34m

$659

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 8/12

4:04 pm-6:45 am

1 stop13h 41m

Buenos Aires Ministro Pistarini

Tue 8/25

9:15 am-2:34 pm

1 stop30h 19m

$685

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

$687

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 8/21

5:50 pm-7:30 am

1 stop12h 40m

Buenos Aires Ministro Pistarini

Fri 9/18

4:45 am-4:20 pm

1 stop12h 35m

$720

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 7/6

3:20 pm-3:23 am

1 stop11h 03m

Buenos Aires Ministro Pistarini

Sat 7/11

7:45 am-7:30 pm

1 stop12h 45m

$733

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 9/21

5:33 am-2:30 am

1 stop19h 57m

Buenos Aires Ministro Pistarini

Thu 10/8

2:49 pm-4:14 pm

1 stop26h 25m

$767

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 9/14

6:16 pm-7:57 am

1 stop12h 41m

Buenos Aires Ministro Pistarini

Mon 9/21

2:49 pm-4:14 pm

1 stop26h 25m

$767

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 8/19

7:00 am-9:45 am

1 stop25h 45m

Buenos Aires Ministro Pistarini

Mon 9/14

7:35 am-4:49 pm

2 stops34h 14m

$779

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 9/22

5:59 pm-9:45 am

1 stop14h 46m

Buenos Aires Ministro Pistarini

Tue 9/29

1:10 pm-1:47 pm

2 stops25h 37m

$784

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Fri 9/4

4:40 pm-5:40 am

2 stops36h 00m

Buenos Aires Jorge Newbery

Sat 9/12

5:10 pm-5:10 pm

2 stops25h 00m

$1,197

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 26 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 29, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andAmerican Airlines 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

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 $659, 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.

  • 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$293Average$660FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$532Average$698FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$599Average$842FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$953FlexibilityNo cancel feeOn-time71%

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