Flights from Columbus to Ontario

Did you mean Flights from Ontario to Columbus?

Columbus

United States

CMH

Port Columbus International Airport

Ontario

United States

ONT

Ontario International Airport

Route: No published route in current feed
Distance: 1,945 miles

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

Columbus to Ontario route overview

Port Columbus International Airport (CMH) serves Columbus; Ontario International Airport (ONT) serves Ontario.

The airports are 1,945 miles apart by great-circle distance.

Roame's current schedule feed does not list a published route from CMH to ONT; use the live results above to explore connections.

Frequently asked questions

Which airports serve the Columbus to Ontario route?

Port Columbus International Airport (CMH) is the origin airport and Ontario International Airport (ONT) is the destination airport.

How far is Ontario from Columbus?

CMH and ONT are approximately 1,945 miles apart by great-circle distance.

Are there direct flights from CMH to ONT?

No published route from CMH to ONT appears in Roame's current schedule feed. Check the live results for possible connections.