United flights to San Antonio

The best United flight deals to San Antonio

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to San Antonio with United.

Find the cheapest time to fly to San Antonio with United

Flexible on travel dates? Here's when fares are lowest.

Find which San Antonio airports United flies to

Compare routes to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to San Antonio with United

The things to know before you go.
Cheapest flight found$1,652
Cheapest month to flySeptember

Flying to San Antonio with United: FAQs

United currently also flies to Chicago O'Hare International, Houston George Bush Intercntl. and New York Newark.
Although it's difficult to get an accurate idea of when United flights to San Antonio are cheapest, the lowest fares are currently for departures in September.