Airlines with flights from Great Falls to Chicago

There are two airlines with scheduled flights between GTF and ORD. United is the only airline with non-stop flights from Great Falls International to Chicago O'Hare and the flight time is 3 hours and 18 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 3 hours and 18 minutes
  • Chicago is a United Airlines hub (Largest hub ).
  • 1 flight per week
  • Embraer 175 (Enhanced Winglets)
  • First class available
GTF
Direct
ORD

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Salt Lake City with Delta Air Lines

  • Total flight time: 5h 12m - 7h 48m.
  • Sky Team Alliance
  • 56 flights per week
GTF
 
Via SLC
 
ORD

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Denver with United Airlines

  • Total flight time: 5h 13m - 7h 45m.
  • Chicago is a United Airlines hub (Largest hub ).
  • 57 flights per week
  • Embraer 175 (Enhanced Winglets)
GTF
 
Via DEN
 
ORD

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-06-02