Facts about flights from Chicago to Great Falls
- Delta Air Lines offers the best deal (flight DL2231) between Chicago and Great Falls : 5h 43m at $342.80
- Usually, people stay 7 days when travelling from Chicago to Great Falls
- The cheapest month to fly between Chicago and Great Falls is may
- The average number of stop(s) between Chicago and Great Falls is 2
- The average cost for direct flight from Chicago to Great Falls is $517.46
- When flying from Chicago to Great Falls, the most popular gateway is Minneapolis - St. Paul International (MSP)
