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$90+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — UAQ
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
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 March or June, booked 50 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap 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 July 13, 2026.

This JetSMART deal was found by Cheapflights users on 7/9. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:50 pm
AEP
-
UAQ
Nonstop1h 42m
JetSMART
Fri 1/151:15 pm
UAQ
-
AEP
Nonstop1h 42m
JetSMART
Deal found 7/9$90
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 7/319:45 am
AEP
-
UAQ
Nonstop2h 00m
Multiple Airlines
Mon 8/32:35 pm
UAQ
-
AEP
Nonstop1h 40m
Multiple Airlines
Deal found 7/12$155
This CheapOair deal was found by Cheapflights users on 7/9. 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.
Sat 10/103:10 pm
AEP
-
UAQ
Nonstop2h 00m
Aerolineas Argentinas
Tue 10/1312:25 pm
UAQ
-
AEP
Nonstop1h 40m
Aerolineas Argentinas
Deal found 7/9$222

Find 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 July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(JetSMART)

Popular in

July

Cheapest in

March

Average price

$212
Provider with most accurate pricing for Buenos Aires (BUE)-San Juan Domingo F. Sarmiento flight deals.
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Provider most trusted by Cheapflights users for Buenos Aires (BUE)-San Juan Domingo F. Sarmiento flights.
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From Buenos Aires (BUE) to San Juan Domingo F. Sarmiento
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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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 July 13, 2026.
Use the filters below to find and compare flights from Buenos Aires to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Tue 12/1

8:50 pm-10:32 pm

Nonstop1h 42m

San Juan Domingo F. Sarmiento

Fri 1/15

1:15 pm-2:57 pm

Nonstop1h 42m

$90

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Sat 10/10

3:10 pm-5:10 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Tue 10/13

12:25 pm-2:05 pm

Nonstop1h 40m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Buenos Aires-San Juan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-San Juan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-San Juan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-San Juan flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-San Juan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, March is the cheapest month in which you can book a flight from Buenos Aires to San Juan (average of $19). Flying from Buenos Aires to San Juan in January is currently the most expensive (average of $62). 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.

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 July 13, 2026.

It’s optimal to fly from Buenos Aires to San Juan in the morning. By choosing this option you can save up to 43% 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?

How often are flights from Buenos Aires to San Juan delayed?

About 31% of weekly flights between Buenos Aires and San Juan have experienced delays in the past year, with the average delay time being 110 minutes.

What is the most punctual flight time for Buenos Aires to San Juan flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Buenos Aires to San Juan flights?

Over the last year, Aerolineas Argentinas have had the lowest number of delays on this route, with just 29% of flights being delayed.

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

Booking 49 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.

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 July 13, 2026.
Get a feel of what it's like to fly with Aerolineas Argentinas and Flybondi 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
1,052 reviews

Crew

8.4

Food

6.5

Entertainment

5.8

Boarding

8.0

Overall

8.1

Comfort

7.6

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Aerolineas Argentinas
8.1
Very good
1,052 reviews
Aerolineas Argentinas
8.1
Very good
1,052 reviews

Crew

8.4

Food

6.5

Entertainment

5.8

Boarding

8.0

Overall

8.1

Comfort

7.6

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Flybondi
5.8
Fair
226 reviews
Aerolineas Argentinas
8.1
Very good
1,052 reviews

Crew

8.4

Food

6.5

Entertainment

5.8

Boarding

8.0

Overall

8.1

Comfort

7.6

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.

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 2 different airlines.

  • How long is the flight from Buenos Aires to San Juan?

    Airlines like JetSMART fly from Buenos Aires to San Juan in about 1h 42m. The time it takes to get you to your destination is usually consistent. Buenos Aires and San Juan are separated by a distance of 614 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Buenos Aires to San Juan round-trip?

    Flybondi, at $36, was found to be the cheapest airline from Buenos Aires to San Juan. An alternate airline flying to your destination would be Aerolineas Argentinas. These flights start at 77% lower than the current average price 3 months from now.

  • 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: KLM (91%), Aerolineas Argentinas (91%), Air France( 91%).

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Buenos Aires to San Juan (average of $19). Flying from Buenos Aires to San Juan in January is currently the most expensive (average of $62). 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

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Top 2 airlines flying from Buenos Aires to San Juan

Discover the top 2 airlines that operate flights from Buenos Aires to San Juan. 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 July 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FlybondiCheapest$36Average$85FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$163Average$275FlexibilityNo cancel feeOn-time59%

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