Cheap flights from San Antonio to Chicago
Cheapest current fares: $133 in May 2026, 1,678 km direct flight in ~1h 58m.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Antonio (SAT) to Chicago (ORD). Refreshed daily.
San Antonio (SAT) → Chicago (ORD)
- May 2026 $133
Frequently asked questions
-
What is the cheapest month to fly from San Antonio to Chicago?
Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from San Antonio (SAT) to Chicago (ORD), with fares starting from $133.
-
What is the lowest current fare from SAT to ORD?
The lowest currently-listed fare from San Antonio (SAT) to Chicago (ORD) is $133 on 2026-05-28.
-
How long is the flight from San Antonio to Chicago?
Direct flights from SAT to ORD cover approximately 1,678 km (1,043 miles), with an estimated flight time of 1h 58m. Operating airlines: AA, UA.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.