- Cheapest fare
- $437
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 8h 57m
United Airlines · Sun, Nov 15
from $437
Usually 1+ stop
5,480 km
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Cheapest month to fly from Saint Thomas to Ontario
Lowest one-way fare per person in each month. Choose a month to see every date.
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Getting around
About flights from Saint Thomas to Ontario
Saint Thomas (STT) and Ontario (ONT) are about 5,480 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 8h 57m. Over the next few months, one-way fares start from $437, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Saint Thomas to Ontario?
The cheapest one-way fare we've seen recently is $437 with United Airlines, departing Sunday, November 15, 2026.
What is the cheapest month to fly from Saint Thomas to Ontario?
November 2026 currently has the lowest fares, from $437 one way.
Are there direct flights from Saint Thomas to Ontario?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Saint Thomas to Ontario?
The quickest journey we've seen takes about 8h 57m. Saint Thomas and Ontario are around 5,480 km apart.
Which airlines fly from Saint Thomas to Ontario?
Recent fares on this route were with United Airlines.
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