- Cheap flights from Sioux City (SUX) to Key West (EYW) (2026) | Expedia

A coastal fortification with a clear blue sea and shallow coral reefs.

Popular airlines from Sioux City, IA (SUX-Sioux Gateway) to Key West Intl. Airport (EYW)

United

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Travel information

Origin airport	Sioux City, IA
Destination airport	Key West Intl. Airport
Distance	2,395 km away
Airlines serving	United
Popular airline	United

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