HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$258+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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 January 29, 2026.

This Avianca deal was found by Cheapflights users on 1/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:30 pm
SJU
-
EZE
1 stop29h 05m
Avianca
Mon 3/306:10 am
EZE
-
SJU
3 stops36h 00m
Avianca
Deal found 1/28$398
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:35 pm
SJU
-
EZE
3 stops33h 30m
Avianca
Fri 4/102:30 am
EZE
-
SJU
1 stop13h 45m
Avianca
Deal found 1/27$399
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:15 pm
SJU
-
EZE
1 stop10h 30m
Avianca
Sun 4/126:15 am
EZE
-
SJU
3 stops35h 35m
Avianca
Deal found 1/27$406
This Avianca deal was found by Cheapflights users on 1/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:00 pm
SJU
-
EZE
1 stop25h 50m
Avianca
Mon 3/306:10 am
EZE
-
SJU
3 stops36h 00m
Avianca
Deal found 1/28$420
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:30 pm
SJU
-
EZE
1 stop29h 05m
Avianca
Sun 2/156:15 am
EZE
-
SJU
3 stops54h 20m
Avianca
Deal found 1/27$543
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:04 pm
SJU
-
EZE
1 stop13h 06m
Multiple Airlines
Sun 6/72:30 am
EZE
-
SJU
1 stop13h 45m
Multiple Airlines
Deal found 1/28$574
This Travelocity deal was found by Cheapflights users on 1/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:04 pm
SJU
-
EZE
1 stop16h 56m
Arajet
Sat 4/117:45 am
EZE
-
SJU
1 stop12h 23m
Arajet
Deal found 1/27$583
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:06 pm
SJU
-
EZE
1 stop11h 54m
Multiple Airlines
Fri 3/207:30 am
EZE
-
SJU
1 stop10h 35m
Multiple Airlines
Deal found 1/27$584
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:35 am
SJU
-
EZE
1 stop17h 10m
Multiple Airlines
Wed 11/44:55 pm
EZE
-
SJU
1 stop19h 40m
Multiple Airlines
Deal found 1/28$590
This Booking.com deal was found by Cheapflights users on 1/27. 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.
Wed 4/154:04 pm
SJU
-
EZE
1 stop16h 56m
Multiple Airlines
Mon 4/204:50 pm
EZE
-
SJU
1 stop19h 35m
Multiple Airlines
Deal found 1/27$592
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:50 pm
SJU
-
EZE
1 stop11h 55m
Multiple Airlines
Mon 7/66:50 am
EZE
-
SJU
1 stop30h 05m
Multiple Airlines
Deal found 1/27$602
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:35 pm
SJU
-
AEP
2 stops32h 56m
Multiple Airlines
Tue 4/147:00 am
AEP
-
SJU
1 stop11h 10m
Multiple Airlines
Deal found 1/28$630

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 January 29, 2026.

Round-trip from

$398
(Avianca)

One-way from

$258
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$808
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 ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
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

Fri 3/27

6:30 pm-12:35 am

1 stop29h 05m

Buenos Aires Ministro Pistarini

Mon 3/30

6:10 am-5:10 pm

3 stops36h 00m

$398

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 4/9

4:40 pm-1:20 am

1 stop31h 40m

Buenos Aires Ministro Pistarini

Tue 4/14

6:10 am-5:10 pm

3 stops36h 00m

$399

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 3/26

1:00 pm-3:50 pm

1 stop25h 50m

Buenos Aires Ministro Pistarini

Mon 3/30

6:10 am-5:10 pm

3 stops36h 00m

$420

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Thu 4/9

6:35 pm-4:31 am

2 stops32h 56m

Buenos Aires Jorge Newbery

Tue 4/14

7:00 am-5:10 pm

1 stop11h 10m

$630

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 4/8

4:04 pm-6:10 am

1 stop13h 06m

Buenos Aires Ministro Pistarini

Sat 4/11

2:45 am-2:30 pm

1 stop12h 45m

$635

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Tue 4/21

1:05 pm-5:40 am

1 stop15h 35m

Buenos Aires Jorge Newbery

Tue 4/28

7:00 am-5:10 pm

1 stop11h 10m

$649

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Sat 5/9

6:35 pm-5:40 am

1 stop10h 05m

Buenos Aires Ministro Pistarini

Fri 5/15

2:30 am-3:15 pm

1 stop13h 45m

$674

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 5/4

5:27 am-4:20 am

1 stop21h 53m

Buenos Aires Ministro Pistarini

Wed 5/13

3:48 am-10:24 pm

1 stop19h 36m

$676

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Mon 5/4

5:27 am-4:20 am

1 stop21h 53m

Buenos Aires Ministro Pistarini

Tue 5/12

5:25 am-10:24 pm

1 stop17h 59m

$686

San JuanBuenos Aires

SJU - AEP

SJUAEP

San Juan Luis Munoz Marin Intl

Wed 4/8

6:15 pm-4:31 am

2 stops33h 16m

Buenos Aires Jorge Newbery

Sat 4/11

3:45 pm-2:30 pm

3 stops23h 45m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 33 results
1
2
3
4

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 January 23, 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 February is currently the most expensive (average of $636). 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?

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 January 29, 2026.
Peruse reviews from past customers who have flown with Copa Airlines, American 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
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

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
1,560 reviews
Copa Airlines
7.5
Good
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

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.
American Airlines
7.2
Good
11,206 reviews
Copa Airlines
7.5
Good
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

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
6.6
Okay
2,492 reviews
Copa Airlines
7.5
Good
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

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 13h 06m. 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 American 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?

    $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 Copa Airlines and Arajet, with prices starting from $289 and $304, 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 February is currently the most expensive (average of $636). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$293Average$677FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$535Average$709FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$602Average$949FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$610Average$873FlexibilityNo cancel feeOn-time70%

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.