Cheap flights from Monterey to Ontario from $227
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Monterey to Ontario departing on 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Monterey to Los Angeles
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Alaska Airlines flights from Monterey to Ontario
Our best Alaska Airlines deals on Monterey to Ontario flight tickets
United Airlines flights from Monterey to Ontario
Our best United Airlines deals on Monterey to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Monterey to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $104. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Monterey to Ontario for around $126.
What is the cheapest time of day to depart on your flight to Ontario?
At noon is the cheapest time of day to fly from Monterey to Ontario when you can find flight prices for as low as $101. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $154 on average. Flights to Ontario from Monterey in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest airline that flies from Monterey Regional to Ontario?
Alaska Airlines and United Airlines are the most popular carriers operating from Monterey Regional to Ontario
What airlines fly to Ontario?
Frontier, Spirit Airlines and United Airlines are the top three most popular airlines that fly to Ontario from Monterey according to our data. Frontier is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 11 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Monterey to Ontario
Cheap Monterey to Ontario (MRY to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Monterey to Ontario
How far is Monterey Regional to Ontario by plane?
A flight from Monterey Regional to Ontario will travel around 296.3 mi. In terms of flight time, this usually takes a little over 3h 16m.
When did momondo last update prices for flights from Monterey Regional Airport to Ontario Airport?
Prices for flights from Monterey Regional Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Monterey Regional Airport to Ontario Airport?
The number of operators available for flights from Monterey Regional Airport to Ontario Airport is 1 as of April 2025.
How old do you have to be to fly from Monterey Regional Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Monterey Regional Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Monterey to Ontario?
Based on momondo bookings for flights between Monterey and Ontario, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Monterey to Ontario
Compare and see reviews for airlines that fly from Monterey to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $288 | Free Cancellation | Rating 7.4 8,633 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Monterey to Ontario?
It is quick and easy to find Monterey to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.
Can I find flights from Monterey to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Monterey to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from Monterey to Ontario?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Monterey to Ontario.
I’m not ready to book a flight from Monterey to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Monterey to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.