$83+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — UAQ
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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 March or June, booked 50 days in advance, depart on a Saturday or Thursday and return on a Monday
Cheap flight deals from Buenos Aires to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buenos Aires to San JuanExplore 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 September 10, 2026.
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 September 10, 2026.
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:37 am -
Nonstop1h 42m
Mon 1/1111:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
Nonstop2h 00m
Wed 10/284:00 pm -
Nonstop1h 40m
Deal found 9/6![Aerolineas Argentinas logo]()
$131
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:37 am -
Nonstop1h 42m
Mon 1/1111:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$136
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:30 pm -
Nonstop2h 00m
Fri 10/24:00 pm -
Nonstop1h 40m
Deal found 9/8![Aerolineas Argentinas logo]()
$145
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:45 am -
Nonstop2h 00m
Fri 10/3010:15 am -
Nonstop1h 40m
Deal found 9/8![Aerolineas Argentinas logo]()
$167
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:37 am -
Nonstop1h 42m
Tue 1/1211:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$184
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:37 am -
Nonstop1h 42m
Tue 1/1211:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$206
This CheapOair deal was found by Cheapflights users on 9/10. 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.
Thu 12/311:37 am -
Nonstop1h 42m
Tue 12/810:46 pm -
Nonstop1h 42m
Deal found 9/10![JetSMART logo]()
$218
Best flights from Buenos Aires to San JuanDiscover carefully curated flight deals from Buenos Aires to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Buenos Aires to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:50 pm -
Nonstop1h 42m
Mon 1/1111:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
Nonstop2h 00m
Wed 10/284:00 pm -
Nonstop1h 40m
Deal found 9/6![Aerolineas Argentinas logo]()
$131
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:50 pm -
Nonstop1h 42m
Mon 1/1111:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$110
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/111:00 am -
Nonstop1h 42m
Mon 1/1111:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$119
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/29:45 am -
Nonstop2h 00m
Thu 1/149:45 pm -
Nonstop1h 40m
Deal found 9/7![Aerolineas Argentinas logo]()
$161
This JetSMART deal was found by Cheapflights users on 9/7. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:37 am -
Nonstop1h 42m
Mon 1/1111:05 pm -
Nonstop1h 42m
Deal found 9/7![JetSMART logo]()
$136
This CheapOair deal was found by Cheapflights users on 9/10. 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.
Thu 12/311:37 am -
Nonstop1h 42m
Tue 12/810:46 pm -
Nonstop1h 42m
Deal found 9/10![JetSMART logo]()
$218
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:05 pm -
Nonstop2h 00m
Sat 9/261:30 pm -
Nonstop1h 40m
Deal found 9/8![Aerolineas Argentinas logo]()
$283
Last-minute flights from Buenos Aires to San JuanDiscover last-minute flight deals from Buenos Aires to San Juan. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Buenos Aires to San Juan. Data last updated September 10, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:40 am -
Nonstop2h 00m
Thu 9/1710:15 am -
Nonstop1h 40m
Deal found 9/7![Aerolineas Argentinas logo]()
$313
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:05 pm -
Nonstop2h 00m
Sat 9/261:30 pm -
Nonstop1h 40m
Deal found 9/8![Aerolineas Argentinas logo]()
$283
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:30 pm -
Nonstop2h 00m
Fri 10/24:00 pm -
Nonstop1h 40m
Deal found 9/8![Aerolineas Argentinas logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
Nonstop2h 00m
Wed 10/284:00 pm -
Nonstop1h 40m
Deal found 9/6![Aerolineas Argentinas logo]()
$131
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:45 am -
Nonstop2h 00m
Fri 10/3010:15 am -
Nonstop1h 40m
Deal found 9/8![Aerolineas Argentinas logo]()
$167
One-way flights from Buenos Aires to San JuanSearch for one-way flight options from Buenos Aires to San Juan. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Buenos Aires to San Juan. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:45 am -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Aerolineas Argentinas logo]()
$83
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:10 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Aerolineas Argentinas logo]()
$115
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $110 (JetSMART) |
One-way from | $83 (CheapOair) |
Popular in | July |
Cheapest in | March |
Average price | $164 |
Good round-trip deal | $173 or less |
Good one-way deal | $157 or less |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Thu 11/12
7:45 am-9:45 am
Nonstop2h 00m
San Juan Domingo F. Sarmiento
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Mon 1/4
8:50 pm-10:32 pm
Nonstop1h 42m
San Juan Domingo F. Sarmiento
Mon 1/11
11:05 pm-12:47 am
Nonstop1h 42m
$110
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Tue 1/5
8:50 pm-10:32 pm
Nonstop1h 42m
San Juan Domingo F. Sarmiento
Mon 1/11
11:05 pm-12:47 am
Nonstop1h 42m
$110
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Sat 10/31
3:10 pm-5:10 pm
Nonstop2h 00m
San Juan Domingo F. Sarmiento
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Fri 1/1
11:00 am-12:42 pm
Nonstop1h 42m
San Juan Domingo F. Sarmiento
Mon 1/11
11:05 pm-12:47 am
Nonstop1h 42m
$119
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Wed 10/21
1:20 pm-3:20 pm
Nonstop2h 00m
San Juan Domingo F. Sarmiento
Wed 10/28
4:00 pm-5:40 pm
Nonstop1h 40m
$131
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Wed 12/30
11:37 am-1:19 pm
Nonstop1h 42m
San Juan Domingo F. Sarmiento
Mon 1/11
11:05 pm-12:47 am
Nonstop1h 42m
$136
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Sat 1/2
9:45 am-11:45 am
Nonstop2h 00m
San Juan Domingo F. Sarmiento
Thu 1/14
9:45 pm-11:25 pm
Nonstop1h 40m
$161
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Thu 12/3
11:37 am-1:19 pm
Nonstop1h 42m
San Juan Domingo F. Sarmiento
Tue 12/8
10:46 pm-12:28 am
Nonstop1h 42m
$218
Buenos AiresSan Juan
AEP Buenos Aires Jorge Newbery - UAQ San Juan Domingo F. Sarmiento
AEPUAQ
Buenos Aires Jorge Newbery
Thu 9/24
1:05 pm-3:05 pm
Nonstop2h 00m
San Juan Domingo F. Sarmiento
Sat 9/26
1:30 pm-3:10 pm
Nonstop1h 40m
$283
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.
BUE-UAQ
AEP-UAQ
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
BUE-UAQ
AEP-UAQ
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 $107). Flying from Buenos Aires to San Juan in August is currently the most expensive (average of $240). 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 September 10, 2026.
It’s optimal to fly from Buenos Aires to San Juan in the morning. By choosing this option you can save up to 38% 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?
Airfare is below average for this route at the moment.
Buenos Aires to San Juan flights typically cost between $153 and $287 in January.The cheapest round-trip price found within the last 5 days was $110 on JetSMART (Jan 4-Jan 11).
How often are flights from Buenos Aires to San Juan delayed?
About 30% of weekly flights between Buenos Aires and San Juan have experienced delays in the past year, with the average delay time being 112 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?
Tuesday 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 September 10, 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.
Food
6.5
Overall
8.0
Comfort
7.5
Boarding
7.9
Crew
8.4
Entertainment
5.8
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Overall
8.0
Comfort
7.5
Boarding
7.9
Crew
8.4
Entertainment
5.8
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Overall
8.0
Comfort
7.5
Boarding
7.9
Crew
8.4
Entertainment
5.8
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
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.
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Alternative routes for Buenos Aires to San Juan
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Buenos Aires to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buenos Aires and San Juan flights
Browse other Buenos Aires and San Juan flight options. Last updated on September 10, 2026.
Other flights from Buenos Aires
Browse through other flights departing from Buenos Aires. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$36 | Average$79 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$293 | FlexibilityNo cancel fee | On-time59% |