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$254+ Cheap flights from San Juan 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Buenos Aires are usually found in August or September, booked 2 days in advance, depart on a Sunday or Monday and return on a Saturday

Cheap flight deals from San Juan to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Round-trip from

$484
(Booking.com)

One-way from

$254
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$616
From San Juan to Buenos Aires (BUE)
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One-way flight from San Juan to Buenos Aires (BUE)
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Highest demand for flights based on searches. 13% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from San Juan to Buenos Aires

Cheapest flights from San Juan to Buenos Aires
Explore the most affordable flight options available from San Juan to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:20 amSJU - EZE
1 stop10h 55mMultiple Airlines
Fri 12/57:30 amEZE - SJU
1 stop10h 35mMultiple Airlines
Deal found 10/29$484
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:00 pmSJU - EZE
1 stop15h 50mAvianca
Wed 11/267:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/30$555
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:30 pmSJU - EZE
1 stop10h 20mAvianca
Thu 11/277:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/29$580
This Avianca deal was found by Cheapflights users on 10/30. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:30 pmSJU - EZE
1 stop10h 20mAvianca
Wed 12/37:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/30$588
This Copa Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/105:27 amSJU - EZE
1 stop18h 31mCopa Airlines
Fri 12/125:16 amEZE - SJU
1 stop18h 09mCopa Airlines
Deal found 10/30$590
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:56 pmSJU - EZE
1 stop13h 04mAmerican Airlines
Mon 11/179:40 pmEZE - SJU
1 stop21h 12mAmerican Airlines
Deal found 10/30$602
This Avianca deal was found by Cheapflights users on 10/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:30 pmSJU - EZE
1 stop10h 20mAvianca
Tue 12/97:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/29$610
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:20 amSJU - EZE
1 stop10h 55mMultiple Airlines
Tue 11/257:30 amEZE - SJU
1 stop10h 35mMultiple Airlines
Deal found 10/30$618
This Avianca deal was found by Cheapflights users on 10/30. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:00 pmSJU - AEP
1 stop15h 40mAvianca
Wed 12/37:00 amAEP - SJU
1 stop11h 05mAvianca
Deal found 10/30$628
This Avianca deal was found by Cheapflights users on 10/30. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:30 pmSJU - EZE
1 stop10h 20mAvianca
Sun 12/77:30 amEZE - SJU
1 stop10h 35mAvianca
Deal found 10/30$631
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Wed 11/126:30 pmSJU - AEP
3 stops32h 10mMultiple Airlines
Thu 11/277:00 amAEP - SJU
1 stop11h 05mMultiple Airlines
Deal found 10/29$638
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:00 pmSJU - AEP
1 stop15h 40mAvianca
Mon 12/17:00 amAEP - SJU
1 stop29h 35mAvianca
Deal found 10/30$813

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 October 30, 2025.
Use the filters below to find and compare flights from San Juan to Buenos Aires that are best for you.

Fly from

San Juan

Fly to

Buenos Aires

Route

Depart

Return

Price

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 12/10

5:27 am-12:58 am

1 stop18h 31m

Buenos Aires Ministro Pistarini

Thu 12/11

3:41 am-4:11 pm

1 stop13h 30m

$590

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 11/27

5:27 am-1:00 am

1 stop18h 33m

Buenos Aires Ministro Pistarini

Tue 12/2

2:15 am-10:25 pm

1 stop21h 10m

$610

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Thu 11/27

1:00 pm-5:40 am

1 stop15h 40m

Buenos Aires Jorge Newbery

Wed 12/3

7:00 am-5:05 pm

1 stop11h 05m

$628

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 11/6

7:45 am-7:20 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

Sat 11/15

11:55 pm-4:36 pm

1 stop17h 41m

$688

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 11/10

3:46 pm-9:20 am

1 stop16h 34m

Buenos Aires Ministro Pistarini

Sat 11/15

11:55 pm-4:36 pm

1 stop17h 41m

$688

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 11/9

2:05 am-7:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

Mon 11/17

11:55 pm-4:36 pm

1 stop17h 41m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 11/9

2:05 am-7:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

Tue 11/18

11:55 pm-9:26 pm

1 stop22h 31m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 1/9

2:05 am-9:20 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

Sat 1/24

11:55 pm-3:40 pm

2 stops40h 45m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 1/15

4:52 pm-7:20 am

2 stops37h 28m

Buenos Aires Ministro Pistarini

Sat 1/24

11:55 pm-3:40 pm

2 stops40h 45m

$693

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 11/18

2:05 am-7:20 am

2 stops28h 15m

Buenos Aires Ministro Pistarini

Tue 12/2

11:55 pm-4:36 pm

1 stop17h 41m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 37 results
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Best time to book a flight from San Juan to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Juan 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 San Juan to Buenos Aires

How far ahead should I book a flight from San Juan to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Buenos Aires. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from San Juan to Buenos Aires, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Juan to Buenos Aires?

Currently, June is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $253). Flying from San Juan to Buenos Aires in February is currently the most expensive (average of $691). 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.

What is the cheapest time of day to fly from SJU to BUE?

Find hourly flight availability from San Juan to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from San Juan to Buenos Aires at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from San Juan to Buenos Aires?

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 October 30, 2025.
Peruse reviews from past customers who have flown with Copa Airlines and Avianca from San Juan 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
1,561 reviews

Overall

7.6

Boarding

7.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.9

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Copa Airlines
7.6
Good
1,561 reviews
Copa Airlines
7.6
Good
1,561 reviews

Overall

7.6

Boarding

7.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.9

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Avianca
6.6
Okay
2,467 reviews
Copa Airlines
7.6
Good
1,561 reviews

Overall

7.6

Boarding

7.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.9

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan to Buenos Aires?

    Departing from San Juan to Buenos Aires will take you 15h 40m. Airlines will cover a distance of 3693 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Juan to Buenos Aires round-trip?

    Avianca, at $555, was found to be the cheapest airline from San Juan to Buenos Aires.Alternate airlines to your destination round-trip include Copa Airlines and American Airlines. These flights start at 22% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Juan to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on San Juan to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Buenos Aires.

  • Can I find deals for business class flights from San Juan to Buenos Aires?

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Buenos Aires?

    Currently, June is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $253). Flying from San Juan to Buenos Aires in February is currently the most expensive (average of $691). 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 San Juan to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Ministro Pistarini flights

Top 3 airlines flying from San Juan to Buenos Aires

Discover the top 3 airlines that operate flights from San Juan 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$555Average$730FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$566Average$901FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$744Average$1,033FlexibilityNo cancel feeOn-time71%

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