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Buenos Aires

$161+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap 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 24, 2026.

This FlightHub 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 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 26m
Arajet
Fri 6/54:00 am
EZE
-
SJU
1 stop13h 20m
Arajet
Deal found 3/23$518
This FlightHub deal was found by Cheapflights users on 3/20. 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 5/15:50 pm
SJU
-
EZE
1 stop14h 26m
Arajet
Sat 5/96:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 3/20$582
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:00 pm
SJU
-
EZE
1 stop12h 00m
Arajet
Mon 8/179:15 pm
EZE
-
SJU
1 stop18h 45m
Arajet
Deal found 3/23$591
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:50 pm
SJU
-
EZE
1 stop14h 26m
Arajet
Fri 5/154:45 am
EZE
-
SJU
1 stop12h 35m
Arajet
Deal found 3/24$606
This Expedia 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 Expedia 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 5/189:15 pm
EZE
-
SJU
1 stop18h 45m
Arajet
Deal found 3/23$607
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Mon 5/259:15 pm
EZE
-
SJU
1 stop18h 45m
Arajet
Deal found 3/23$610
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Wed 5/274:00 am
EZE
-
SJU
1 stop11h 34m
Arajet
Deal found 3/24$614
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/84:04 pm
SJU
-
EZE
1 stop13h 41m
Arajet
Sat 4/256:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 3/21$622
This Kiwi.com 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 Kiwi.com 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 26m
Arajet
Wed 6/34:00 am
EZE
-
SJU
1 stop11h 34m
Arajet
Deal found 3/24$623
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:20 pm
SJU
-
EZE
1 stop11h 03m
Multiple Airlines
Fri 5/294:50 pm
EZE
-
SJU
1 stop19h 35m
Multiple Airlines
Deal found 3/23$625
This FlightHub 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 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 3/24$626
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.
Tue 8/114:30 pm
SJU
-
AEP
2 stops17h 50m
Multiple Airlines
Tue 8/188:05 pm
AEP
-
SJU
2 stops19h 29m
Multiple Airlines
Deal found 3/24$653

Find 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 24, 2026.

Round-trip from

$499
(Orbitz)

One-way from

$161
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$689
From San Juan to Buenos Aires (BUE)
Search Deals
One-way flight from San Juan to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 24, 2026.
Use the filters below to find and compare flights from San Juan 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

Tue 4/21

5:27 am-10:25 pm

1 stop15h 58m

Buenos Aires Ministro Pistarini

Tue 4/28

9:11 am-10:24 pm

1 stop14h 13m

$738
Quickest round-trip

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 7/8

5:34 am-10:27 pm

1 stop15h 53m

Buenos Aires Ministro Pistarini

Fri 7/31

5:25 am-4:14 pm

1 stop11h 49m

$742

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 4/16

5:27 am-2:30 am

1 stop20h 03m

Buenos Aires Ministro Pistarini

Thu 4/23

5:34 am-10:24 pm

1 stop17h 50m

$742

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 4/8

1:00 pm-9:45 am

1 stop19h 45m

Buenos Aires Ministro Pistarini

Fri 4/24

7:45 am-11:12 pm

2 stops40h 27m

$828

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Fri 9/11

2:26 pm-2:00 pm

2 stops22h 34m

Buenos Aires Jorge Newbery

Wed 9/16

8:05 pm-1:16 pm

2 stops18h 11m

$828

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 9/8

1:00 am-8:00 am

2 stops30h 00m

Buenos Aires Ministro Pistarini

Thu 9/17

9:00 pm-12:34 pm

2 stops40h 34m

$833

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 6/1

1:14 pm-9:20 am

2 stops19h 06m

Buenos Aires Ministro Pistarini

Mon 6/15

10:40 pm-8:43 pm

2 stops23h 03m

$833

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sun 4/12

5:30 pm-9:45 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Sun 4/19

1:10 pm-1:25 pm

2 stops25h 15m

$833

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 9/10

2:26 pm-9:20 am

2 stops17h 54m

Buenos Aires Ministro Pistarini

Mon 9/21

1:10 pm-1:16 pm

2 stops25h 06m

$833

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 4/6

5:30 pm-9:20 am

2 stops38h 50m

Buenos Aires Ministro Pistarini

Fri 4/24

1:10 pm-1:25 pm

2 stops25h 15m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 42 resultsSorted by cheapest first
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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 13, 2026.

To ensure you get the cheapest price possible for a flight from San Juan to Buenos Aires, you should look to book at least 77 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 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 24, 2026.
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
7.5
Good
1,577 reviews

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.5
Good
1,577 reviews
Copa Airlines
7.5
Good
1,577 reviews

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Avianca
6.5
Okay
2,505 reviews
Copa Airlines
7.5
Good
1,577 reviews

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

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 58m. Airlines will cover a distance of 3710 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?

    Arajet, at $263, was found to be the cheapest airline from San Juan to Buenos Aires.Alternate airlines to your destination round-trip include Avianca and Copa Airlines. These flights start at 62% 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?

    $241 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Arajet and Copa Airlines, with prices starting from $271 and $289, 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, 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 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 4 airlines flying from San Juan to Buenos Aires

Discover the top 4 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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$263Average$659FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$533Average$697FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$557Average$826FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$978FlexibilityNo cancel feeOn-time71%

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