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$242+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Buenos Aires are usually found in September or August, 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 March 25, 2025.

Round-trip from

$631
(Avianca)

One-way from

$242
(Avianca)

Popular in

July

Cheapest in

September

Average price

$677
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. 6% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Avianca deal was found by Cheapflights users on 3/24. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:10 pmSJU - AEP
2 stops14h 30mAvianca
Sat 8/237:00 amAEP - SJU
1 stop10h 50mAvianca
Deal found 3/24$631
This Avianca deal was found by Cheapflights users on 3/23. 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.
Sat 9/61:15 pmSJU - EZE
1 stop9h 55mAvianca
Wed 9/241:40 amEZE - SJU
2 stops14h 20mAvianca
Deal found 3/23$644
This Copa Airlines deal was found by Cheapflights users on 3/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/245:46 pmSJU - EZE
1 stop13h 01mCopa Airlines
Thu 4/32:20 amEZE - SJU
1 stop14h 32mCopa Airlines
Deal found 3/24$656
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:25 amSJU - EZE
2 stops47h 35mUnited Airlines
Sun 5/119:00 pmEZE - SJU
2 stops51h 54mUnited Airlines
Deal found 3/24$659
This Orbitz deal was found by Cheapflights users on 3/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:15 pmSJU - EZE
1 stop28h 55mMultiple Airlines
Sun 10/264:25 amEZE - SJU
1 stop11h 11mMultiple Airlines
Deal found 3/24$745
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:12 pmSJU - AEP
3 stops31h 28mMultiple Airlines
Sun 5/184:55 pmAEP - SJU
3 stops27h 12mMultiple Airlines
Deal found 3/24$828
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:30 pmSJU - EZE
1 stop15h 15mDelta
Sun 10/193:55 amEZE - SJU
2 stops37h 23mDelta
Deal found 3/23$872
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Fri 5/236:15 pmSJU - AEP
2 stops17h 45mGOL
Thu 5/293:40 amAEP - SJU
2 stops33h 15mGOL
Deal found 3/25$1,518
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/273:34 pmSJU - AEP
2 stops25h 46mDelta
Thu 5/83:05 pmAEP - SJU
2 stops21h 56mDelta
Deal found 3/24$1,942

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 March 25, 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 - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Fri 8/15

2:10 pm-5:40 am

2 stops14h 30m

Buenos Aires Jorge Newbery

Sat 8/23

7:00 am-4:50 pm

1 stop10h 50m

$631

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 9/6

1:15 pm-12:10 am

1 stop9h 55m

Buenos Aires Ministro Pistarini

Wed 9/24

1:40 am-3:00 pm

2 stops14h 20m

$644

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 8/17

5:32 am-3:58 am

1 stop21h 26m

Buenos Aires Ministro Pistarini

Wed 8/27

5:03 am-10:20 pm

1 stop18h 17m

$656

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 5/3

7:25 am-8:00 am

2 stops47h 35m

Buenos Aires Ministro Pistarini

Mon 5/12

9:00 pm-11:54 pm

2 stops51h 54m

$659

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 5/11

6:15 pm-5:35 am

2 stops34h 20m

Buenos Aires Ministro Pistarini

Sun 5/18

9:40 am-7:07 pm

3 stops34h 27m

$797

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Sun 5/11

8:12 pm-4:40 am

3 stops31h 28m

Buenos Aires Jorge Newbery

Sun 5/18

4:55 pm-7:07 pm

3 stops27h 12m

$828

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 9/2

5:55 pm-5:55 am

2 stops35h 00m

Buenos Aires Ministro Pistarini

Sun 9/14

7:40 am-1:23 pm

2 stops30h 43m

$872

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Fri 5/23

6:15 pm-1:00 pm

2 stops17h 45m

Buenos Aires Jorge Newbery

Thu 5/29

3:40 am-11:55 am

2 stops33h 15m

$1,518

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Sun 4/27

3:34 pm-6:20 pm

2 stops25h 46m

Buenos Aires Jorge Newbery

Thu 5/8

3:05 pm-12:01 pm

2 stops21h 56m

$1,942

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Sat 4/5

3:00 pm-5:20 pm

2 stops25h 20m

Buenos Aires Jorge Newbery

Sat 4/19

1:40 pm-1:50 pm

2 stops25h 10m

$2,307

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 22 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 March 21, 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, April is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $795). Flying from San Juan to Buenos Aires in December is currently the most expensive (average of $1,260). 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 March 25, 2025.

It’s optimal to fly from San Juan to Buenos Aires at noon. By choosing this option you can save up to 58% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from San Juan to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Buenos Aires. Price data was last updated on April 28, 2024.

Travelers seeking maximum savings on their San Juan to Buenos Aires flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 25, 2025.
See what other customers who have flown with Delta, Copa Airlines and United Airlines from San Juan to Buenos Aires have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,393 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,745 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
GOL
7.3
Good
1,050 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Avianca, at $631, was found to be the cheapest airline from San Juan to Buenos Aires.Alternate airlines to your destination round-trip include Copa Airlines and United Airlines. These flights start at 12% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Juan to Buenos Aires one-way?

    $242 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on United Airlines and GOL, with prices starting from $293 and $377, respectively.

  • 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, April is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $795). Flying from San Juan to Buenos Aires in December is currently the most expensive (average of $1,260). 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

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$462Average$940FlexibilityNo cancel feeOn-time70%
AviancaCheapest$528Average$733FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$588Average$1,061FlexibilityNo cancel feeOn-time71%
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