Frontier AirlinesDepart20:03
Thu, Nov 12ONT → IAG
9h 48m · 3 stops
$566one way, per person
View deal
- Cheapest fare
- $566
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 9h 48m
Frontier Airlines · Thu, Nov 12
from $566
Usually 1+ stop
3,480 km
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Cheapest month to fly from Ontario to Niagara Falls
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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Where to stay, what to do and getting around, from our travel partners.
About flights from Ontario to Niagara Falls
Ontario (ONT) and Niagara Falls (IAG) are about 3,480 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 9h 48m. Over the next few months, one-way fares start from $566, 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 Ontario to Niagara Falls?
The cheapest one-way fare we've seen recently is $566 with Frontier Airlines, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Ontario to Niagara Falls?
November 2026 currently has the lowest fares, from $566 one way.
Are there direct flights from Ontario to Niagara Falls?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Ontario to Niagara Falls?
The quickest journey we've seen takes about 9h 48m. Ontario and Niagara Falls are around 3,480 km apart.
Which airlines fly from Ontario to Niagara Falls?
Recent fares on this route were with Frontier Airlines.
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