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$107+ Cheap flights from Buenos Aires (BUE) to San Juan (UAQ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — UAQ
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to San Juan Domingo F. Sarmiento are usually found in May or June, booked 81 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Buenos Aires to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to San Juan (UAQ). 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 August 17, 2025.

Round-trip from

$107
(Trip.com)

Popular in

April

Cheapest in

May

Average price

$186

Good round-trip deal

$164 or less
From Buenos Aires (BUE) to San Juan Domingo F. Sarmiento
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Buenos Aires (BUE) to San Juan Domingo F. Sarmiento.
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Find flight deals from Buenos Aires to San Juan

Cheapest flights from Buenos Aires to San Juan
Explore the most affordable flight options available from Buenos Aires to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:05 pmAEP - UAQ
Nonstop1h 50mFlybondi
Sun 9/143:25 pmUAQ - AEP
Nonstop1h 40mFlybondi
Deal found 8/16$107
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Thu 8/2810:00 amAEP - UAQ
Nonstop2h 00mAerolineas Argentinas
Sat 8/304:50 pmUAQ - AEP
Nonstop1h 40mAerolineas Argentinas
Deal found 8/15$231
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:40 pmAEP - UAQ
Nonstop2h 00mMultiple Airlines
Sun 8/243:20 pmUAQ - AEP
Nonstop1h 40mMultiple Airlines
Deal found 8/17$264
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sun 11/21:00 pmAEP - UAQ
Nonstop1h 50mMultiple Airlines
Thu 11/612:15 pmUAQ - AEP
Nonstop1h 40mMultiple Airlines
Deal found 8/15$306

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to San Juan 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 August 17, 2025.
Use the filters below to find and compare flights from Buenos Aires to San Juan that are best for you.

Fly from

Buenos Aires

Fly to

San Juan

Route

Depart

Return

Price

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Fri 9/12

1:05 pm-2:55 pm

Nonstop1h 50m

San Juan Domingo F. Sarmiento

Sun 9/14

3:25 pm-5:05 pm

Nonstop1h 40m

$107

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Thu 8/28

10:00 am-12:00 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Sat 8/30

4:50 pm-6:30 pm

Nonstop1h 40m

$231

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Sun 11/2

1:00 pm-2:50 pm

Nonstop1h 50m

San Juan Domingo F. Sarmiento

Thu 11/6

12:15 pm-1:55 pm

Nonstop1h 40m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Best time to book a flight from Buenos Aires to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Buenos Aires 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 Buenos Aires to San Juan

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

Use this chart to determine the optimal time to book a round-trip flight from Buenos Aires to San Juan. Price data was last updated on August 8, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buenos Aires to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest time of day to fly from BUE to UAQ?

Find hourly flight availability from Buenos Aires to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2025.

It’s optimal to fly from Buenos Aires to San Juan at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from Buenos Aires to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated August 17, 2025.
Get a feel of what it's like to fly with Aerolineas Argentinas from Buenos Aires to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
915 reviews

Crew

8.3

Boarding

8.0

Food

6.5

Comfort

7.5

Entertainment

5.7

Overall

8.1

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Aerolineas Argentinas
8.1
Very good
915 reviews
Aerolineas Argentinas
8.1
Very good
915 reviews

Crew

8.3

Boarding

8.0

Food

6.5

Comfort

7.5

Entertainment

5.7

Overall

8.1

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Juan from Buenos Aires?

    If you book a flight to San Juan from Buenos Aires, you will be flying to Domingo F. Sarmiento, which is the city’s only airport. San Juan Domingo F. Sarmiento (UAQ) is located 7.3 mi from the center of San Juan. There are 3 flights from Buenos Aires to Domingo F. Sarmiento per day from 0 different airlines.

  • What are the most reliable airlines from Buenos Aires to San Juan?

    Before booking your flight to San Juan from Buenos Aires, check out the most reliable airlines to get you to your destination on time: Aerolineas Argentinas (68%), KLM (60%), Air France( 50%).

  • Can I find deals for flights from Buenos Aires to San Juan that include hotel bookings?

    Yes. In addition to deals on Buenos Aires to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buenos Aires to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to San Juan.

  • Can I find deals for business class flights from Buenos Aires to San Juan?

    Yes. Cheapflights offers flight deals from Buenos Aires to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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