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SAT to IAH: distance & flight time

San Antonio (San Antonio International Airport) → Houston (George Bush Intercontinental Houston Airport)

190 mi
306 km · 165 nm
58m
estimated nonstop flight time
Same time
time difference · heading east
See live SAT→IAH fares Phone-only fares on this route — call free

Flight time details

190 miles nonstop takes roughly 58m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is SAT from IAH?

The flight distance from San Antonio (SAT) to Houston (IAH) is 190 miles (306 km, 165 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from SAT to IAH?

A nonstop flight takes about 58m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the cheapest way to fly from SAT to IAH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAT–IAH that never appear on search engines, with no booking fees.
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