All direct flights from Ontario
Frontier Airlines Nonstop Flights from Ontario: 6 Destinations
0 international and 6 domestic destinations without a stop from ONT
Every destination Frontier Airlines serves nonstop from Ontario, United States, from published airline schedules as of 25 August 2026. Seasonal and not-yet-launched services are marked; connections are not listed. Frontier Airlines sells economy only — no business or first class cabin.
International
0 nonstop destinations
Domestic
6 nonstop destinations
Airports
ONT
Frontier Airlines Domestic Destinations from Ontario
Other Airlines Flying Nonstop from Ontario
Every other airline with scheduled nonstops from ONT, ranked by the number of destinations it serves without a stop. Pick one to see its full list.
Frontier Airlines Nonstop Flights from Other Cities
The other cities we track Frontier Airlines nonstops from, busiest first.
Denver, United States65Atlanta, United States52Las Vegas, United States39Dallas, United States36Phoenix, United States31Chicago, United States24Houston, United States24Miami, United States24San Juan, Puerto Rico19Fort Lauderdale, United States18Raleigh-durham, United States18Cancun, Mexico17Baltimore, United States15Los Angeles, United States15Charlotte, United States14New York, United States10San Francisco, United States10St. Louis, United States9Washington, D.C., United States9Indianapolis, United States8Minneapolis, United States8Seattle, United States7Boston, United States6Buffalo, United States6Kansas City, United States6New Orleans, United States6Milwaukee, United States5San Diego, United States5Santa Ana, United States5Grand Rapids, United States4Portland, United States4San Antonio, United States4Tucson, United States4Jacksonville, United States3Oklahoma City, United States3Reno, United States3Sacramento, United States3Pittsburgh, United States2Puerto Vallarta, Mexico2
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