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ORD to IAH: distance & flight time

Chicago (Chicago O'Hare International Airport) → Houston (George Bush Intercontinental Houston Airport)

926 mi
1,491 km · 805 nm
2h 29m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ORD→IAH fares Phone-only fares on this route — call free

Flight time details

926 miles nonstop takes roughly 2h 29m gate to gate, flying southwest. 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 ORD from IAH?

The flight distance from Chicago (ORD) to Houston (IAH) is 926 miles (1,491 km, 805 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from ORD to IAH?

A nonstop flight takes about 2h 29m 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 ORD to IAH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–IAH that never appear on search engines, with no booking fees.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