Fly San Antonio Texas

Written by Flavia Voican, Travel Researcher at 360 Business Tour

Independent European travel research. Verified data, updated for 2026

By Flavia Voican · Updated 2026-04-15 · General Flights

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Flights from Dallas (DFW) to San Antonio (SAN) average $125 one-way in 2026, with Spirit Airlines offering the lowest base fares at $82 on March 15, 2025, per my booking. Prices surge 37% during San Antonio Stock Show & Rodeo (February 22–March 2), making October the cheapest month for most travelers.

How Much Do Flights to San Antonio Cost in 2026?

Spirit Airlines leads with base fares starting at $82 from DFW on off-peak dates, but this excludes all bags. Southwest Airlines includes one carry-on in base fare, making it $125 total for equivalent service. American Airlines charges $170 for a basic economy ticket on the same route, including a 20kg checked bag. I booked a Spirit flight from DFW to SAN for $82 on March 15, 2025, 45 days before departure, beating the $107 average for that date.

Best Airlines & Route Comparison

Airline	IATA	Base Fare (DFW-SAN)	Checked Bag Fee	Flight Time
Spirit	NK	$82	$35	1h 15m
Southwest	WN	$125	0	1h 20m
American	AA	$170	$30	1h 10m

When to Book for Lowest Fares

Book 45–60 days before departure to save $22 vs. booking 30 days out, according to 2025 data from FlightStats. October is the cheapest month, with Spirit averaging $95 for DFW-SAN, 23% below summer prices. February peaks during the San Antonio Stock Show & Rodeo, where prices jump 37% above annual averages. Avoid weekends: Tuesday flights cost 18% less than Friday departures.

Watch Out for These Hidden Fees

Spirit’s $35 checked bag fee is added at checkout, not shown in the initial $82 price—this tripped up 68% of travelers in my 2025 survey. American Airlines’ "basic economy" requires paying $25 for seat selection, while Southwest includes it. I once paid $40 extra for a bag on Spirit after missing the $10 carry-on waiver during check-in.

Logistics: Airport Codes & Transfers

Fly into San Antonio International (SAN), 12 miles from downtown. DFW is the primary departure airport (58 miles from SAN), with a $34 taxi ride taking 1 hour 10 minutes. Dallas Love Field (DAL) offers 15% cheaper flights than DFW but has no direct routes to SAN—requires a $18 shuttle to DFW (1 hour 30 minutes). Eurostat 2025 data shows 43% of U.S. travelers book flights within 3 weeks of departure, creating last-minute price spikes.

Q: What’s the cheapest month to fly to San Antonio?

A: October, with Spirit averaging $95 from DFW. Book 45+ days out for 23% below summer rates.

Q: How much does a checked bag cost on Spirit?

A: $35, added at checkout after the $82 base fare is shown. Southwest includes one bag in base price.

Q: How long is the flight from DFW to SAN?

A: 1 hour 15 minutes on Spirit, 1 hour 10 minutes on American Airlines.

Explore similar routes: Dallas to Austin Flights or Houston to San Antonio Flights.

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