Boise Air Terminal to San Antonio International Airport Flights from HKD 97 incl. tax

Based on HopeGoo data, Delta Air Lines offers one-way fares as low as US$116 on Cheapest nonstop routes (e.g. BOI to SAT on Tue, Apr 7), while Delta Air Lines offers Cheapest nonstop round-trips from US$267 departing on Wed, Apr 8 and returning on Wed, Apr 15.

At the moment, several airlines serve connecting flights from Boise to San Antonio, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Boise 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.

To find best deals on flights from Boise to San Antonio, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Apr 7, with one-way flights priced at just US$116. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo 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 HopeGoo app users.

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

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Boise to San Antonio on March 30, 2026 with Delta Air Lines, with prices starting at US$322.

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

The time difference between San Antonio and Boise is 1h.

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 HopeGoo, 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.