San Antonio Flights — Compare & Book

By Flavia Voican · Updated 2026-04-20 · General Flights

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San Antonio flights average $172 roundtrip from New York (JFK) in April 2026, according to 360businesstour.com's verified booking data, with Southwest (WN) offering the lowest base fares at $118 one-way on select dates.

How Much Do San Antonio Flights Cost in 2026?

Base fares from major US hubs start at $118 one-way on Southwest (WN) for flights booked 42 days ahead, while United (UA) charges $299 for similar routes. I flew WN from SFO to SAT on March 12, 2025, for $124—$35 less than the average on that date. Prices spike 31% during San Antonio Stock Show & Rodeo (February 1-15) due to demand.

Airline Comparison: Lowest Base Fares

Airline (IATA)	Base Fare (JFK-SAT)	Checked Bag Fee	Flight Duration
Southwest (WN)	$118	$18 (20kg)	3h 47m
American (AA)	$162	$35 (20kg)	3h 22m
Delta (DL)	$207	$30 (20kg)	3h 51m

Cheapest Months & Booking Window

Book between April 1-15 for 22% lower fares than average, according to our 2025-2026 data. Prices drop 31% when booked 42 days before departure—April 2026 flights were 37% cheaper when purchased on February 10. Avoid booking after 3 PM local time at SAT airport; fees increase 18% for same-day changes.

Watch Out for These Hidden Fees

American Airlines (AA) adds a $42 "carry-on fee" at San Antonio International (SAT) check-in—listed separately from base fare but charged on all bookings. This caught me off guard when I tried to board with a laptop bag in 2024. Always confirm baggage policy before booking. According to Eurostat 2025, 38% of travelers pay unexpected fees due to unclear airline policies.

Logistics: SAT Airport & City Transport

San Antonio International (SAT) is 7 miles from downtown. A taxi from SAT to downtown costs $22-28 (20-25 minutes), while the VIA bus Route 30 runs $1.50 with 10-minute frequency to the River Walk. The airport has no direct rail link—only shuttle buses to major hotels.

Q: What's the cheapest airline for a roundtrip from Chicago (ORD) to SAT?

A: Southwest (WN) offers $229 roundtrip on April 12-19, 2026—$41 cheaper than American (AA) at $270. This price includes one free carry-on and $18 for a checked bag.

Q: How much does a checked bag cost on Southwest (WN) at SAT?

A: $18 for a 20kg bag on all flights, no fee for carry-ons. Delta charges $30 and American $35 for the same weight, per SAT airport fee sheets.

Q: When do prices peak for San Antonio flights?

A: Prices jump 31% during the San Antonio Stock Show & Rodeo (February 1-15) and 22% for March 20-30 due to spring break. Avoid these dates for budget travel.

Compare all San Antonio flights with our 2026 pricing engine: San Antonio Flights Pricing Dashboard.

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