Arriving at ONT

Find Cheap Flights to ONT

Ontario International Airport · Ontario, United States

Prefer to call?(878) 444-9861·Request a callback

Need help booking a flight into ONT? Talk to a US agent.

Unpublished consolidator rates on premium cabins, 24/7.

About Flights to Ontario International Airport (ONT)

Ontario International Airport (ONT) serves Ontario, United States. 15 origin airports connect into ONT in our booking network.

You can book flights to ONT through Aviafares at the same published fares you'd see on any airline's own site. Our US booking team also pulls unpublished consolidator rates on premium cabins, particularly useful on long-haul international arrivals where negotiated rates often beat public pricing by a wide margin.

Top origin airports for ONT

Highest-frequency origins feeding ONT by airline coverage: PHX (Phoenix), DEN (Denver), MDW (Chicago), DFW (Dallas-Fort Worth). Full list below.

24/7 booking assistance

Changes, cancellations, and refunds on any ticket into ONT are handled by our US-based booking team around the clock. For US-touching cancellations, DOT rules entitle you to a full refund on any fare. Call the number at the top of this page or request a callback.

Top origin airports serving ONT

Airports with the most scheduled inbound service to ONT, US origins ranked first.

Frequently asked questions

Which airlines fly to ONT?

The "Serving airlines" section below lists every active carrier operating scheduled service to ONT, ranked by route count. For alliance partners and codeshare flights, the list reflects the operating carrier, not the marketing airline.

Does ONT have a Global Entry facility?

Most major US international arrival airports operate Global Entry kiosks for enrolled travelers. For specific terminal and hours, check the CBP website, we link to the relevant ONT CBP page from the Booking Support section of our site.

How do I get from Ontario to Ontario's downtown?

Depends on the city. Most major US airports have a dedicated rail line or express bus; others rely on taxi / rideshare. Our booking agents can include ground-transport guidance in your confirmation email on request.

Questions about flying into ONT?

Our 24/7 US booking team knows fare rules, change policies, and unpublished consolidator rates on ONT inbound routes cold, including 26 tracked airline-route combinations into this airport.

(878) 444-9861