Cheap flights from Chicago to Billings

Cheapest current fares: $290 in August 2026, 1,702 km direct flight in ~2h.

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Live fares · ORD → BIL

Cheapest month-by-month fares

Lowest available fare per calendar month from Chicago (ORD) to Billings (BIL). Refreshed daily.

Chicago (ORD) → Billings (BIL)

  1. August 2026 $290

Frequently asked questions

  • What is the cheapest month to fly from Chicago to Billings?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Chicago (ORD) to Billings (BIL), with fares starting from $290.

  • What is the lowest current fare from ORD to BIL?

    The lowest currently-listed fare from Chicago (ORD) to Billings (BIL) is $290 on 2026-08-28.

  • How long is the flight from Chicago to Billings?

    Direct flights from ORD to BIL cover approximately 1,702 km (1,058 miles), with an estimated flight time of 2h. Operating airlines: AA, UA.

Related guides for this route

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

Full route page: ORD → BIL Cheapest month to fly to Billings All flights from Chicago All flights to Billings Flights to USA Visa-free with USA passport AA routes UA routes