HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$94+ Cheap flights from Buenos Aires (BUE) to San Juan (UAQ)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — UAQ
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buenos Aires to San Juan 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.
Cheapflights Tip: The best prices from Buenos Aires to San Juan Domingo F. Sarmiento are usually found in January or March, booked 50 days in advance, depart on a Sunday or Friday and return on a Friday

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 April 2, 2026.

This Trip.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/301:00 pm
AEP
-
UAQ
Nonstop1h 55m
Flybondi
Thu 5/73:25 pm
UAQ
-
AEP
Nonstop1h 40m
Flybondi
Deal found 4/1$111
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/1512:35 pm
AEP
-
UAQ
Nonstop1h 55m
Multiple Airlines
Fri 5/224:40 pm
UAQ
-
AEP
Nonstop1h 40m
Multiple Airlines
Deal found 3/31$154
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:00 pm
AEP
-
UAQ
Nonstop1h 55m
Flybondi
Fri 5/83:00 pm
UAQ
-
AEP
Nonstop1h 40m
Flybondi
Deal found 4/1$196
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Tue 4/79:45 am
AEP
-
UAQ
Nonstop2h 00m
Aerolineas Argentinas
Wed 4/89:40 pm
UAQ
-
AEP
Nonstop1h 40m
Aerolineas Argentinas
Deal found 3/31$233
This SmartFares deal was found by Cheapflights users on 3/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:15 pm
AEP
-
UAQ
Nonstop2h 00m
Aerolineas Argentinas
Sat 5/164:50 pm
UAQ
-
AEP
Nonstop1h 40m
Aerolineas Argentinas
Deal found 3/28$270
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
AEP
-
UAQ
Nonstop2h 00m
Aerolineas Argentinas
Tue 4/219:45 pm
UAQ
-
AEP
Nonstop1h 40m
Aerolineas Argentinas
Deal found 3/28$278
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 pm
AEP
-
UAQ
Nonstop2h 00m
Multiple Airlines
Wed 4/222:25 pm
UAQ
-
AEP
Nonstop1h 40m
Multiple Airlines
Deal found 3/28$283
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/182:10 pm
AEP
-
UAQ
Nonstop2h 00m
Multiple Airlines
Mon 4/204:30 pm
UAQ
-
AEP
Nonstop1h 40m
Multiple Airlines
Deal found 4/1$308
This FlightHub deal was found by Cheapflights users on 3/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:20 pm
AEP
-
UAQ
Nonstop2h 00m
Aerolineas Argentinas
Sun 5/34:50 pm
UAQ
-
AEP
Nonstop1h 40m
Aerolineas Argentinas
Deal found 3/29$426

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(Trip.com)

One-way from

$94
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$190

Good round-trip deal

$111 or less

Good one-way deal

$101 or less
Provider with most accurate pricing for Buenos Aires (BUE)-San Juan Domingo F. Sarmiento flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-San Juan Domingo F. Sarmiento flights.
Search Deals
From Buenos Aires (BUE) to San Juan Domingo F. Sarmiento
Search Deals
One-way flight from Buenos Aires (BUE) to San Juan Domingo F. Sarmiento
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Buenos Aires (BUE) to San Juan Domingo F. Sarmiento.
Search Deals
Price to beat on a one-way flight from Buenos Aires (BUE) to San Juan Domingo F. Sarmiento.
Search Deals

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 April 2, 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

Thu 4/30

1:00 pm-2:55 pm

Nonstop1h 55m

San Juan Domingo F. Sarmiento

Thu 5/7

3:25 pm-5:05 pm

Nonstop1h 40m

$111

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Fri 5/15

12:35 pm-2:30 pm

Nonstop1h 55m

San Juan Domingo F. Sarmiento

Fri 5/22

4:40 pm-6:20 pm

Nonstop1h 40m

$154

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Mon 5/4

1:00 pm-2:55 pm

Nonstop1h 55m

San Juan Domingo F. Sarmiento

Fri 5/8

3:00 pm-4:40 pm

Nonstop1h 40m

$196

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Thu 5/14

7:15 pm-9:15 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Sat 5/16

4:50 pm-6:30 pm

Nonstop1h 40m

$270

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Mon 4/13

7:15 pm-9:15 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Tue 4/21

9:45 pm-11:25 pm

Nonstop1h 40m

$278

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Tue 4/14

7:15 pm-9:15 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Wed 4/22

2:25 pm-4:05 pm

Nonstop1h 40m

$283

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Sat 4/18

2:10 pm-4:10 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Mon 4/20

4:30 pm-6:10 pm

Nonstop1h 40m

$308

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Sun 4/26

1:20 pm-3:20 pm

Nonstop2h 00m

San Juan Domingo F. Sarmiento

Sun 5/3

4:50 pm-6:30 pm

Nonstop1h 40m

$426
Cheapest one-way

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Tue 4/28

7:15 pm-9:15 pm

Nonstop2h 00m

$94
Quickest one-way

Buenos AiresSan Juan

AEP - UAQ

AEPUAQ

Buenos Aires Jorge Newbery

Mon 5/4

1:00 pm-2:55 pm

Nonstop1h 55m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • 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

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 March 13, 2026.

Booking 50 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 month to book a flight from Buenos Aires to San Juan?

Currently, May is the cheapest month in which you can book a flight from Buenos Aires to San Juan (average of $34). Flying from Buenos Aires to San Juan in October is currently the most expensive (average of $61). 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 April 2, 2026.

It’s optimal to fly from Buenos Aires to San Juan in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

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 33% of weekly flights between Buenos Aires and San Juan have experienced delays in the past year, with the average delay time being 111 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 30% of flights being delayed.

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 April 2, 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
1,029 reviews

Food

6.5

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Overall

8.1

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
1,029 reviews
Aerolineas Argentinas
8.1
Very good
1,029 reviews

Food

6.5

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Overall

8.1

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
5.9
Fair
219 reviews
Aerolineas Argentinas
8.1
Very good
1,029 reviews

Food

6.5

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Overall

8.1

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 2 flights from Buenos Aires to Domingo F. Sarmiento per day from 0 different airlines.

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

    Airlines like Flybondi and Aerolineas Argentinas fly from Buenos Aires to San Juan in about 1h 55m. 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 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 (100%), Air France (100%), Aerolineas Argentinas( 67%).

  • 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, May is the cheapest month in which you can book a flight from Buenos Aires to San Juan (average of $34). Flying from Buenos Aires to San Juan in October is currently the most expensive (average of $61). 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.

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.