Airport Comparison
| HLN | YOW | |
|---|---|---|
| Airport Name | Helena Regional Airport | Ottawa / Macdonald-Cartier International Airport |
| IATA Code | HLN | YOW |
| ICAO Code | KHLN | CYOW |
| City | Helena | Ottawa |
| Country | United States | Canada |
| Timezone | America/Denver | America/Toronto |
| Elevation | 3,877 ft | 374 ft |
| Coordinates | 46.610000, -111.980000 | 45.320000, -75.670000 |
Helena (HLN) to Ottawa (YOW) Flight Distance
The flight distance from Helena Regional Airport (HLN) in Helena, United States to Ottawa / Macdonald-Cartier International Airport (YOW) in Ottawa, Canada is 2,785 kilometers (1,731 miles / 1,504 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 80°.
This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.
This is an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.
Time zone information: When it's 01:10 in Helena, it's 03:10 in Ottawa.
There is a significant elevation difference of 3,503 feet between the two airports. Ottawa / Macdonald-Cartier International Airport sits lower than Helena Regional Airport.
The return flight from Ottawa (YOW) to Helena (HLN) follows a heading of 286° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Helena Regional Airport (HLN) and Ottawa / Macdonald-Cartier International Airport (YOW) detail pages, or use our flight duration calculator to compare other routes.