The flight distance from Helsinki Vantaa Airport (HEL) in Helsinki, Finland to Ontario Municipal Airport (ONO) in Ontario, United States is 7,910 kilometers (4,915 miles / 4,271 nautical miles). The estimated flight time for this route is approximately 10h, flying north northwest at a heading of 332°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Finland with United States. It is an intercontinental flight between Europe and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 22:14 in Helsinki, it's 13:14 in Ontario. With a 9-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 2,014 feet between the two airports. Ontario Municipal Airport sits higher than Helsinki Vantaa Airport.

The return flight from Ontario (ONO) to Helsinki (HEL) follows a heading of 19° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Helsinki Vantaa Airport (HEL) and Ontario Municipal Airport (ONO) detail pages, or use our flight duration calculator to compare other routes.