Buenos Aires

$277+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Jul 25 — Aug 11
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/22. 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 9/154:30 pm
SJU
-
EZE
2 stops13h 35m
Multiple Airlines
Sat 9/196:35 am
EZE
-
SJU
1 stop11h 04m
Multiple Airlines
Deal found 6/22$605
This Mytrip deal was found by Cheapflights users on 6/22. 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 8/254:30 pm
SJU
-
EZE
3 stops24h 51m
Multiple Airlines
Wed 9/94:00 am
EZE
-
SJU
1 stop11h 34m
Multiple Airlines
Deal found 6/22$609
This Gotogate deal was found by Cheapflights users on 6/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:05 pm
SJU
-
EZE
1 stop15h 35m
Multiple Airlines
Sat 9/196:35 am
EZE
-
SJU
1 stop11h 04m
Multiple Airlines
Deal found 6/23$616
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:30 pm
SJU
-
EZE
1 stop10h 15m
Multiple Airlines
Tue 9/225:00 am
EZE
-
SJU
2 stops33h 50m
Multiple Airlines
Deal found 6/23$618
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 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:28 pm
SJU
-
EZE
1 stop12h 42m
Arajet
Sat 11/216:35 am
EZE
-
SJU
1 stop11h 04m
Arajet
Deal found 6/23$627
This Booking.com deal was found by Cheapflights users on 6/22. 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 11/54:24 pm
SJU
-
EZE
1 stop10h 21m
Arajet
Wed 11/112:45 am
EZE
-
SJU
1 stop13h 09m
Arajet
Deal found 6/22$628
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:50 pm
SJU
-
EZE
1 stop12h 40m
Arajet
Wed 9/304:45 am
EZE
-
SJU
1 stop10h 49m
Arajet
Deal found 6/23$630
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 Booking.com deal was found by Cheapflights users on 6/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Mon 8/172:45 am
EZE
-
SJU
1 stop13h 15m
Arajet
Deal found 6/21$636
This Mytrip deal was found by Cheapflights users on 6/23. 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.
Tue 9/154:30 pm
SJU
-
AEP
2 stops17h 50m
Multiple Airlines
Tue 9/2210:10 pm
AEP
-
SJU
2 stops17h 24m
Multiple Airlines
Deal found 6/23$676
This Mytrip deal was found by Cheapflights users on 6/22. 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 8/254:30 pm
SJU
-
AEP
2 stops25h 00m
Multiple Airlines
Fri 8/286:20 pm
AEP
-
SJU
2 stops26h 10m
Multiple Airlines
Deal found 6/22$717

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 June 25, 2026.

Round-trip from

$605
(Kiwi.com)

One-way from

$277
(Arajet)

Popular in

February

Cheapest in

May

Average price

$685
From San Juan to Buenos Aires (BUE)
One-way flight from San Juan to Buenos Aires (BUE)
Highest demand for flights based on searches. 11% potential increase in price ($90 potential increase over avg. RT price).
Cheapest flight prices on average. 2% 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 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 June 25, 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
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

$650

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 9/22

4:30 pm-8:15 pm

1 stop26h 45m

Buenos Aires Ministro Pistarini

Mon 9/28

2:45 am-3:00 pm

1 stop13h 15m

$651

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

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

$717

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 8/19

4:04 pm-6:45 am

1 stop13h 41m

Buenos Aires Ministro Pistarini

Wed 9/16

4:00 am-2:34 pm

1 stop11h 34m

$720

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 8/11

5:34 am-10:26 pm

1 stop15h 52m

Buenos Aires Ministro Pistarini

Mon 8/17

2:49 pm-4:14 pm

1 stop26h 25m

$767

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

Sun 7/26

4:00 pm-8:15 pm

1 stop27h 15m

Buenos Aires Ministro Pistarini

Mon 8/3

9:15 pm-3:00 pm

1 stop18h 45m

$775

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 8/15

5:49 pm-9:45 am

1 stop14h 56m

Buenos Aires Ministro Pistarini

Tue 9/15

8:10 pm-10:00 pm

1 stop26h 50m

$779

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 8/18

7:00 am-9:45 am

1 stop25h 45m

Buenos Aires Ministro Pistarini

Fri 9/18

7:35 am-11:48 am

2 stops29h 13m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

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

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

Currently, November is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $206). Flying from San Juan 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 much does it cost to fly round-trip from San Juan to Buenos Aires?

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

To ensure you get the cheapest price possible for a flight from San Juan to Buenos Aires, you should look to book at least 3 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.

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 25, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andAmerican Airlines 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.

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 10h 15m. 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 $293, 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 58% 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?

    $262 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 $282 and $299, 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, November is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $206). Flying from San Juan 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

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.

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 June 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$293Average$660FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$532Average$699FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$599Average$841FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$953FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.