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All scheduled flights from Saint Louis to Ontario (STL-ONT)

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All scheduled flights from STL to ONT. You can fly from Saint Louis to Ontario with 1 stop. The flight time is between 5 and 9 hours depending on your connecting flight. The STL-ONT route has no non-stop flights.
STL-ONT
- Flight has a long layover time at the stop-airport and will affect your flight time.
- Change of terminals at the layover airport. This can go quickly or take time depending on the airport.
- Flight is partially or completely overnight (Red-eye flight).
- Airline or one of the airlines in the flight path is a low-cost carrier. Some travelers wants to avoid low-cost airlines.
- This is codeshare flight. A codeshare flight is an agreement between airlines to sell seats on each others flights. Click on the flight to see the actual flight operator.

The fastest option is landing at DEN with a total flight time of 6 hours and 40 minutes.

ONT is the IATA airport code for Ontario International Airport, Ontario, California.

The transfer from ONT is 8 minutes by car to Downtown Ontario.

No airlines currently offers non-stop or direct flights from Saint Louis to Ontario.