Cheap Flights from San Antonio to Santiago from $366

Frequently Asked Questions

• What are the cheapest flights from San Antonio to Santiago (SAT-STI)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $366 on Cheapest nonstop routes (e.g. SAT to STI on Mon, Aug 24), while American Airlines offers Cheapest nonstop round-trips from $807 departing on Sun, Jul 26 and returning on Fri, Jul 31.

• Which airlines offer flights from San Antonio to Santiago?

  At the moment, several airlines serve connecting flights from San Antonio to Santiago, including: American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from San Antonio to Santiago?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Antonio to Santiago is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from San Antonio to Santiago?

  To find best deals on flights from San Antonio to Santiago, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 24, with one-way flights priced at just $366.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Santiago travel is around December.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Antonio (SAT) to Santiago (STI) the cheapest?

  The cheapest months to fly from San Antonio to Santiago is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Antonio to Santiago on?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from San Antonio to Santiago on July 12, 2026 with American Airlines, with prices starting at $807.

• Which airports can I fly to for Santiago from San Antonio?

  You can land at any one of the following hubs in Santiago, with San Antonio International Airport to Cibao International Airport (SAT-STI) is by far the most common option on this route: Cibao International Airport (STI).

• Is there any time difference between San Antonio and Santiago?

  The time difference between Santiago and San Antonio is 2h.

• How do I change or cancel my ticket from San Antonio to Santiago?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.