HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$270+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
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 May 9, 2026.

This CheapOair deal was found by Cheapflights users on 5/6. 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 6/153:20 pm
SJU
-
EZE
1 stop11h 03m
Arajet
Mon 6/292:45 am
EZE
-
SJU
1 stop13h 15m
Arajet
Deal found 5/6$569
This Arajet deal was found by Cheapflights users on 5/7. 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
Wed 9/164:00 am
EZE
-
SJU
1 stop11h 34m
Arajet
Deal found 5/7$592
This Arajet deal was found by Cheapflights users on 5/6. 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 11/109:30 am
SJU
-
EZE
1 stop17h 15m
Arajet
Sat 11/219:15 pm
EZE
-
SJU
1 stop18h 15m
Arajet
Deal found 5/6$596
This Copa Airlines deal was found by Cheapflights users on 5/7. 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.
Thu 6/45:34 am
SJU
-
EZE
1 stop21h 41m
Copa Airlines
Tue 6/162:17 am
EZE
-
SJU
1 stop14h 57m
Copa Airlines
Deal found 5/7$599
This Copa Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 6/25:34 am
SJU
-
EZE
1 stop18h 18m
Copa Airlines
Wed 6/103:48 am
EZE
-
SJU
1 stop13h 26m
Copa Airlines
Deal found 5/8$619
This Arajet deal was found by Cheapflights users on 5/7. 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.
Wed 9/304:04 pm
SJU
-
EZE
1 stop13h 41m
Arajet
Thu 10/1511:00 am
EZE
-
SJU
1 stop30h 20m
Arajet
Deal found 5/7$627
This Arajet deal was found by Cheapflights users on 5/7. 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 10/134:30 pm
SJU
-
EZE
1 stop10h 15m
Arajet
Thu 10/2211:00 am
EZE
-
SJU
1 stop30h 20m
Arajet
Deal found 5/7$631
This Arajet deal was found by Cheapflights users on 5/8. 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.
Wed 8/264:04 pm
SJU
-
EZE
1 stop13h 41m
Arajet
Wed 9/234:45 am
EZE
-
SJU
1 stop10h 49m
Arajet
Deal found 5/8$635
This Arajet deal was found by Cheapflights users on 5/4. 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.
Sat 10/39:00 pm
SJU
-
EZE
1 stop29h 45m
Arajet
Mon 10/129:15 pm
EZE
-
SJU
1 stop18h 45m
Arajet
Deal found 5/4$636
This Booking.com deal was found by Cheapflights users on 5/8. 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 8/285:50 pm
SJU
-
EZE
1 stop11h 55m
Arajet
Sat 9/122:45 am
EZE
-
SJU
1 stop12h 45m
Arajet
Deal found 5/8$640
This CheapOair deal was found by Cheapflights users on 5/5. 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.
Sun 5/314:00 pm
SJU
-
EZE
1 stop12h 00m
Arajet
Mon 6/82:45 am
EZE
-
SJU
1 stop13h 15m
Arajet
Deal found 5/5$652
This Booking.com deal was found by Cheapflights users on 5/6. 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 9/164:04 pm
SJU
-
EZE
1 stop16h 56m
Arajet
Fri 9/254:45 am
EZE
-
SJU
1 stop12h 35m
Arajet
Deal found 5/6$654

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 May 9, 2026.

Round-trip from

$569
(CheapOair)

One-way from

$270
(Arajet)

Popular in

February

Cheapest in

September

Average price

$592
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 ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 9, 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

4:45 am-2:34 pm

1 stop10h 49m

$592

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 6/2

5:34 am-4:30 am

1 stop21h 56m

Buenos Aires Ministro Pistarini

Mon 6/8

12:10 am-12:47 pm

1 stop13h 37m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 6/3

5:34 am-10:27 pm

1 stop15h 53m

Buenos Aires Ministro Pistarini

Tue 6/9

12:10 am-4:14 pm

1 stop17h 04m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 6/12

5:34 am-4:15 am

1 stop21h 41m

Buenos Aires Ministro Pistarini

Thu 6/18

12:10 am-12:47 pm

1 stop13h 37m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 6/16

5:34 am-4:30 am

1 stop21h 56m

Buenos Aires Ministro Pistarini

Mon 6/22

12:10 am-12:47 pm

1 stop13h 37m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 6/18

5:34 am-4:30 am

1 stop21h 56m

Buenos Aires Ministro Pistarini

Mon 6/29

12:10 am-12:47 pm

1 stop13h 37m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Fri 8/14

5:34 am-10:26 pm

1 stop15h 52m

Buenos Aires Ministro Pistarini

Sun 8/23

5:25 am-4:14 pm

1 stop11h 49m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Tue 5/26

5:27 am-12:50 am

1 stop18h 23m

Buenos Aires Ministro Pistarini

Tue 6/2

2:17 am-4:14 pm

1 stop14h 57m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Thu 6/4

5:34 am-7:51 am

1 stop25h 17m

Buenos Aires Ministro Pistarini

Tue 6/16

2:17 am-4:14 pm

1 stop14h 57m

$599

San JuanBuenos Aires

SJU - EZE

SJUEZE

San Juan Luis Munoz Marin Intl

Wed 9/30

4:04 pm-6:45 am

1 stop13h 41m

Buenos Aires Ministro Pistarini

Thu 10/15

11:00 am-4:20 pm

1 stop30h 20m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 37 resultsSorted by cheapest first
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?

To ensure you get the cheapest price possible for a flight from San Juan to Buenos Aires, you should look to book at least 5 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, 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 August is currently the most expensive (average of $312). 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 May 9, 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
1,583 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

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
1,583 reviews
Copa Airlines
7.5
Good
1,583 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

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
2,522 reviews
Copa Airlines
7.5
Good
1,583 reviews

Boarding

7.8

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.1

Food

6.8

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 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?

    $260 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 $289 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, 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 August is currently the most expensive (average of $312). 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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$293Average$677FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$543Average$689FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$557Average$800FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$602Average$949FlexibilityNo 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.
Site
©2026 Cheapflights