Breeze AirwaysDepart10:59
Fri, Nov 13EYW → ONT
8h 58m · 3 stops
$255one way, per person
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- Cheapest fare
- $255
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 8h 58m
Breeze Airways · Fri, Nov 13
from $255
Usually 1+ stop
3,610 km
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Cheapest month to fly from Key West to Ontario
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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About flights from Key West to Ontario
Key West (EYW) and Ontario (ONT) are about 3,610 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 58m. Over the next few months, one-way fares start from $255, 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 Key West to Ontario?
The cheapest one-way fare we've seen recently is $255 with Breeze Airways, departing Friday, November 13, 2026.
What is the cheapest month to fly from Key West to Ontario?
November 2026 currently has the lowest fares, from $255 one way.
Are there direct flights from Key West to Ontario?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Key West to Ontario?
The quickest journey we've seen takes about 8h 58m. Key West and Ontario are around 3,610 km apart.
Which airlines fly from Key West to Ontario?
Recent fares on this route were with Breeze Airways.
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