A range of rugged mountains with snow-capped peaks under a clear sky.

Cheap Flights to Ontario Intl. Airport from HK$2,096

View HK$2,096 flight on Sat, 5 Sept 2026Opens in a new window

Popular airlines to Ontario Intl. Airport (ONT)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Ontario Intl. Airport

Prices were available within the past 7 days and start at HK$2,096 for one-way flights and HK$3,292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Delta
United
American Airlines
Air Canada

Find the cheapest month to fly from Columbus (CMH) to Ontario (ONT)

From HK$1,711 - HK$4,324 per traveller.

Travel information

Destination airport
Ontario Intl. Airport
Destination airport IATA code
ONT
Destination city name
Ontario Intl. Airport
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, China Airlines, Delta, Korean Air, Qatar Airways, Southwest Airlines, United
Return price
HK$1,739
Popular airline
United

Trending flights to Ontario Intl. Airport

Prices were available within the past 7 days and start at HK$2,096 for one-way flights and HK$3,292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United

Explore a world of travel with Expedia

*Available to Expedia members.