St Louis to Ontario (SUS–ONT) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SUS–ONT has no scheduled airline service; it is flown by charter / private operators.
On-Time Performance
Other ways to reach Ontario from St Louis
| Metric | SUS→ONT | STL→ONT |
|---|---|---|
| Distance from SUS | – | 16 mi |
| Nonstop airlines | – | 2 |
| Weekly flights | ~1 | 1 |
| Flight time | 3h 38m | 4h 10m |
Travel Essentials
SUS: CDT · ONT: PDT
When it's 6:00 PM in St Louis, it's 4:00 PM in Ontario.
SUS–ONT Quick Facts
Frequently Asked Questions
Flights from SUS to ONT
Spirit of St Louis Airport (SUS) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.
SUS to ONT Flight Duration and Schedule
Nonstop flight time from SUS to ONT is about 3 hours 38 minutes gate to gate. The route covers a distance of 1,527 miles (2,458 km).
Connecting Options and Alternatives
Nearby alternative airports include St Louis (STL).