Cheap flights from Chicago to Great Falls

Direct flight: 1,942 km, ~2h 17m from Chicago (ORD) to Great Falls (GTF).

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Live fares · ORD → GTF

Frequently asked questions

  • How long is the flight from Chicago to Great Falls?

    Direct flights from ORD to GTF cover approximately 1,942 km (1,207 miles), with an estimated flight time of 2h 17m. Operating airlines: UA.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: ORD → GTF Cheapest month to fly to Great Falls All flights from Chicago All flights to Great Falls Flights to USA Visa-free with USA passport UA routes