Cheap Flights from Seoul to San Antonio from US$532

Frequently Asked Questions

• What are the cheapest flights from Seoul to San Antonio (SEL-SAT)?

  Based on Trip.com data, Asiana Airlines offers one-way fares as low as US$532 on Cheapest nonstop routes (e.g. ICN to SAT on Wed, Oct 14), while Air Premia offers Cheapest nonstop round-trips from US$1,047 departing on Wed, Aug 26 and returning on Mon, Aug 31.

• Which airlines offer direct flights from Seoul to San Antonio?

  At the moment, you can catch a nonstop flight from Seoul to San Antonio with the following airlines, including: Air Premia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to San Antonio 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 Seoul to San Antonio?

  To find best deals on flights from Seoul to San Antonio, 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 Wed, Oct 14, with one-way flights priced at just US$532.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Asiana 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 San Antonio travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seoul (SEL) to San Antonio (SAT) the cheapest?

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

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

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Seoul to San Antonio on August 28, 2026 with Air Premia, with prices starting at US$1,279.

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

  You can land at any one of the following hubs in San Antonio, with Incheon International Airport to San Antonio International Airport (ICN-SAT) is by far the most common option on this route: San Antonio International Airport (SAT) Kelly Field Annex/Lackland Air Force Base (SKF).

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

  The time difference between San Antonio and Seoul is 15h.

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

  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.

• What is the average cost of a one-way flight from Seoul to San Antonio?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seoul to San Antonio is US$1,080. Fares vary by travel date, airline and availability.

• How do I book flights from Seoul to San Antonio on Trip.com?

  Enter Seoul and San Antonio, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.