Cheap flights from Tucson to Ontario

One-way fares from $349 · TUS → ONT · prices found by travellers in the last 48 hours

Compare all dates Ontario → Tucson
Cheapest fare
$349

American Airlines · Thu, Nov 12

Cheapest month
November

from $349

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 19m

650 km

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Cheapest month to fly from Tucson to Ontario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $349

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Where to stay, what to do and getting around, from our travel partners.

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Things to do

Things to do in OntarioTours, attractions and day trips on Klook Explore →

Getting around

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About flights from Tucson to Ontario

Tucson (TUS) and Ontario (ONT) are about 650 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 2h 19m. Over the next few months, one-way fares start from $349, 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 Tucson to Ontario?

The cheapest one-way fare we've seen recently is $349 with American Airlines, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Tucson to Ontario?

November 2026 currently has the lowest fares, from $349 one way.

Are there direct flights from Tucson to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Tucson to Ontario?

The quickest journey we've seen takes about 2h 19m. Tucson and Ontario are around 650 km apart.

Which airlines fly from Tucson to Ontario?

Recent fares on this route were with American Airlines.

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