Flights from Seattle to San Antonio
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The quick answer
Compare Seattle to San Antonio flights across 800+ airlines for the lowest fare.
Price calendar — Seattle to San Antonio
Month-by-month lowest fares. Green = cheapest dates.
Visa for San Antonio
Check visa requirements before booking — entry rules vary by passport.
Full San Antonio visa guide →Stay connected in San Antonio
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Seattle to San Antonio trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in San Antonio
Pre-book your ride into San Antonio. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Seattle to San Antonio flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
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