The flight time to Helena from Northbrook is 2 hours 24 minutes . This is approximate direct flying time, and include average plane speed 510 miles per hour. Total flight distance between Northbrook, IL and Helena, MT is about one thousand, two hundred and twenty-nine miles or one thousand, nine hundred and seventy-eight km. Real time can be different, and depends on the time of day, the type of aircraft, and can be significantly longer if there are transplants during the flight.
Flying time is about 2 hours 24 minutes
Select arrival and departure cities, current are Northbrook, IL and MT
This flight will take about two hours twenty-four minutes ;
You can buy ticket to plane or drive by car, check ; distance in miles between Northbrook and Helena
| Aircraft | Cruising speed | Time |
| Average | 510 mph | 2 hr 24 min |
| Boeing 737 | 515 mph | 2 hr 23 min |
| Boeing 777 | 554 mph | 2 hr 13 min |
| Airbus | 515 mph | 2 hr 23 min |
Dont forget to include time in airport before and after flight.
| Country | USA |
| State | Illinois |
| City | Northbrook, IL |
| Latitude | 42.12753 |
| Longitude | -87.82895 |
| Country | USA |
| State | Montana |
| City | Helena, MT |
| Latitude | 46.587792 |
| Longitude | -112.022219 |
Please note: current air time calculator show approximate distance and time between cities Northbrook, IL and Helena, MT. This values can be different if you flight from airports in this cities. To calculate exact time can be shown only when you buy ticket to the plane. We do not guarantee that there is an airline that connects city Northbrook and Helena. To find out if there is such a flight use the ticket purchase service.