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MDH to IAH: distance & flight time

Carbondale/Murphysboro (Southern Illinois Airport) → Houston (George Bush Intercontinental Houston Airport)

641 mi
1,032 km · 557 nm
1h 52m
estimated nonstop flight time
time difference · heading southwest
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Flight time details

641 miles nonstop takes roughly 1h 52m 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.

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

Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.

Frequently asked questions

How far is MDH from IAH?

The flight distance from Carbondale/Murphysboro (MDH) to Houston (IAH) is 641 miles (1,032 km, 557 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from MDH to IAH?

A nonstop flight takes about 1h 52m 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 MDH to IAH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MDH–IAH that never appear on search engines, with no booking fees.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