ONT

Direct flights from Ontario

Ontario, USA · 30 destinations

4 countries Southwest Airlines, Frontier Airlines, Alaska Airlines

Top nonstop destinations from ONT

ATL Atlanta USA

Delta Air Lines

~4h 25m

Southwest Airlines

~2h 58m

BWI Baltimore USA

Southwest Airlines

Daily ~5h 12m

Alaska Airlines

~1h 52m

CLT Charlotte USA

American Airlines

~4h 47m

MDW Chicago USA

Southwest Airlines

~4h 1m

ORD Chicago USA

United Airlines

~4h

Southwest Airlines

Daily ~2h 58m

DFW Dallas-Fort Worth USA

American Airlines

Frontier Airlines

~2h 57m

Frontier Airlines

Southwest Airlines

United Airlines

~2h 11m

GDL Guadalajara Mexico

Volaris

~3h 8m

HNL Honolulu USA

Alaska Airlines

Southwest Airlines

~5h 52m

IAH Houston USA

Frontier Airlines

United Airlines

~3h 15m

HOU Houston USA

Southwest Airlines

~3h 16m

LAS Las Vegas USA

Frontier Airlines

Southwest Airlines

~54m

MLM Morelia Mexico

Volaris

~3h 25m

BNA Nashville USA

Southwest Airlines

Daily ~4h 6m

JFK New York USA

JetBlue Airways

~5h 30m

See all 30 nonstop destinations, schedules & map →

About ONT

Ontario International (ONT) is an airport in Ontario, USA serving 30 nonstop destinations across 4 countries. The largest operators are Southwest Airlines, Frontier Airlines and Alaska Airlines. Updated 18 October 2026.

Frequently asked questions

How many nonstop destinations does ONT have?

ONT (Ontario International) serves 30 nonstop destinations across 4 countries.

Which airlines fly nonstop from ONT?

Airlines flying nonstop from ONT include Delta Air Lines, Southwest Airlines, Alaska Airlines, American Airlines, United Airlines, Frontier Airlines, Volaris, JetBlue Airways, AVIANCA, China Airlines and 1 more.

What is the ICAO code for ONT?

The ICAO code for ONT (Ontario International) is KONT.

ICAO: KONT
Route data: updated 29 days ago