The cheapest times to fly from SAT to AEP are

  • January 8th to February 11th
  • March 12th to March 25th
  • August 6th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SAT to AEP is mid October. Prices can be as high as $2331 for Friday flights during early to mid July, or as low as $944 for Tuesday flights around mid October.


When to Fly to Buenos Aires

Flying from San Antonio, TX (SAT) to Buenos Aires (AEP) will usually cost between $1027 to $1943 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $1040. Due to high demand the most expensive time to fly is early to mid July, with an average price of $2089. Planning your trip to low-cost times can easily save you $1049 on economy flights and even more on first-class flights. Generally, any price below $1310 can be considered a good price for a round-trip SAT to AEP flight.

See below for a graph of average weekly prices for the SAT to AEP route. All prices are for round-trip tickets in USD.

SAT to AEP Flight Prices

Compared to other flights, the SAT to AEP flight is slightly more expensive than the average and costs more than the average flight leaving from San Antonio. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to AEP, and Thursday the cheapest day to fly back into SAT. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $363 (19%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1282. Return trip prices are from the AEP to SAT flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SAT to AEP can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 10 hour 14 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SAT to AEP while comparing.

Destination alternative #1: Ministro Pistarini Airport (EZE) in Ezeiza

  • 19 miles (31 km) away from AEP
  • Usually 3.51% less expensive than AEP
  • 1-layover flights available

See SAT to EZE flights


Flight Hacking SAT to AEP

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SAT to AEP — but Champion Traveler does!

Hack #1: Lima (SAT > LIM > AEP)

  • Price for both tickets: $952
  • Average savings: $358 (27.33%)

See SAT to LIM flights

Hack #2: Mexico City (SAT > MEX > AEP)

  • Price for both tickets: $1114
  • Average savings: $197 (15%)

See SAT to MEX flights

Hack #3: Santiago (SAT > SCL > AEP)

  • Price for both tickets: $1121
  • Average savings: $190 (14.47%)

See SAT to SCL flights


Flight Questions Answered

Still have questions about flying from SAT to AEP? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Aerolineas Argentinas, American, Avianca, COPA, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from Aeroparque Jorge Newbery Airport to San Antonio International Airport?

The distance between the two airports is roughly 5140 miles or 8272 kilometers.

How long does it take to fly from SAT to AEP?

The real-world flight time for a nonstop SAT to AEP flight is about 10 hour 14 minutes.

How many flights go between San Antonio, TX and Buenos Aires?

It depends on the day of the week and the date, but a typical day might have around 68 available flights from SAT to AEP.


Airport Location Info


Departing Airport

Origination codeSAT
Origination airport nameSan Antonio International Airport
CitySan Antonio, TX
Countrythe United States

Return Airport

Destination codeAEP
Destination airport nameAeroparque Jorge Newbery Airport
CityBuenos Aires


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.