- Cheapest fare
- $253
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 4h 34m
Alaska Airlines · Fri, Nov 13
from $253
Usually 1+ stop
1,110 km
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Cheapest month to fly from Sun Valley to Ontario
Lowest one-way fare per person in each month. Choose a month to see every date.
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About flights from Sun Valley to Ontario
Sun Valley (SUN) and Ontario (ONT) are about 1,110 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 4h 34m. Over the next few months, one-way fares start from $253, 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 Sun Valley to Ontario?
The cheapest one-way fare we've seen recently is $253 with Alaska Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Sun Valley to Ontario?
November 2026 currently has the lowest fares, from $253 one way.
Are there direct flights from Sun Valley to Ontario?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sun Valley to Ontario?
The quickest journey we've seen takes about 4h 34m. Sun Valley and Ontario are around 1,110 km apart.
Which airlines fly from Sun Valley to Ontario?
Recent fares on this route were with Alaska Airlines.