Cheap flights from Ontario to Monterey

One-way fares from $193 · ONT → MRY · prices found by travellers in the last 48 hours

Compare all dates Monterey → Ontario
Cheapest fare
$193

Frontier Airlines · Thu, Nov 12

Cheapest month
November

from $193

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 52m

480 km

Get a price alert

We'll email you when Ontario → Monterey drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $193. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Ontario to Monterey

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

  1. November 2026 Cheapest $193

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart12:01 Thu, Nov 12ONT → MRY 4h 52m · 2 stops
$193one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Monterey

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

Where to stay

Hotels in MontereyCompare places to stay on Booking.com Find hotels →

Things to do

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

Getting around

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

About flights from Ontario to Monterey

Ontario (ONT) and Monterey (MRY) 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 4h 52m. Over the next few months, one-way fares start from $193, 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 Monterey?

The cheapest one-way fare we've seen recently is $193 with Frontier Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $193 one way.

Are there direct flights from Ontario to Monterey?

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

How long is the flight from Ontario to Monterey?

The quickest journey we've seen takes about 4h 52m. Ontario and Monterey are around 480 km apart.

Which airlines fly from Ontario to Monterey?

Recent fares on this route were with Frontier Airlines.

More cheap flights from Ontario

Compare flights to Monterey from other cities →