Cheap flights from San Antonio to Buenos Aires from $678
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Buenos Aires departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from San Antonio to Buenos Aires
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How to get the cheapest flight ticket from San Antonio to Buenos Aires
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from San Antonio is in October. Flight prices, which tend to average around $1,015, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from San Antonio during July instead. Flights to Buenos Aires in July, while not as cheap as those in October, still average around $1,018.
What is the cheapest day to depart on your flight to Buenos Aires?
On average, the least expensive day to fly to Buenos Aires from San Antonio is on a Monday. momondo users have found tickets for Monday departures for as low as $1,128. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,373.
When to book flights from San Antonio to Buenos Aires
Cheap San Antonio to Buenos Aires (SAT to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Buenos Aires
How far is San Antonio to Buenos Aires by plane?
A flight from San Antonio to Buenos Aires will travel around 5136.1 mi. 11h 56m is a normal flight duration for this route.
When did momondo last update prices for flights from San Antonio Airport to Buenos Aires?
Prices for flights from San Antonio Airport to Buenos Aires refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Buenos Aires?
The number of operators available for flights from San Antonio Airport to Buenos Aires is 2 as of June 2025.
How old do you have to be to fly from San Antonio Airport to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Antonio to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from San Antonio to Buenos Aires is United Airlines, representing 68% of all bookings. The subsequent popular airline is Delta at 32%.
Best airlines flying from San Antonio to Buenos Aires
Compare and see reviews for airlines that fly from San Antonio to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $629 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $975 | Free Cancellation | Rating 7.4 8,801 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Antonio to Buenos Aires?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Buenos Aires. momondo saves you time and could save you money on your trip.
Can I find flights from San Antonio to Buenos Aires with flexible booking policies on momondo?
Yes. All flights to Buenos Aires from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Antonio to Buenos Aires?
momondo provides multiple filters to help you find the best flight to Buenos Aires from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Antonio to Buenos Aires right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Antonio to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.