Cheap flights from Monterey to Ontario

One-way fares from $361 · MRY → ONT · prices found by travellers in the last 48 hours

Compare all dates Ontario → Monterey
Cheapest fare
$361

United Airlines · Fri, Nov 13

Cheapest month
November

from $361

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 25m

480 km

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Cheapest month to fly from Monterey to Ontario

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

  1. November 2026 Cheapest $361

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

Where to stay

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Things to do

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

Getting around

Airport transfer in OntarioPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in OntarioCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Monterey to Ontario

Monterey (MRY) and Ontario (ONT) are about 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 2h 25m. Over the next few months, one-way fares start from $361, 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 Monterey to Ontario?

The cheapest one-way fare we've seen recently is $361 with United Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $361 one way.

Are there direct flights from Monterey to Ontario?

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

How long is the flight from Monterey to Ontario?

The quickest journey we've seen takes about 2h 25m. Monterey and Ontario are around 480 km apart.

Which airlines fly from Monterey to Ontario?

Recent fares on this route were with United Airlines.

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