$320 Find Cheap Flights from Monterey to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Monterey to Ontario departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Monterey to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Monterey to Ontario, as well as popular online travel agencies
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Flight Deals

Book Cheap Monterey to Ontario Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Monterey to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Monterey to Ontario

Wed, Oct 1 - Tue, Oct 7
Alaska Airlines Logo
7:56 pm - 3:00 pmMRY-YYZ
16h 04m1 stop
Alaska Airlines Logo
4:45 pm - 7:15 pmYYZ-MRY
29h 30m1 stop
$585Alaska Airlines
Find Deal
Sat, Oct 11 - Wed, Oct 15
Alaska Airlines Logo
7:57 pm - 3:00 pmMRY-YYZ
16h 03m1 stop
Alaska Airlines Logo
4:45 pm - 7:15 pmYYZ-MRY
29h 30m1 stop
$621Alaska Airlines
Find Deal
Sat, Oct 11 - Wed, Oct 15
Alaska Airlines Logo
7:57 pm - 3:00 pmMRY-YYZ
16h 03m1 stop
Alaska Airlines Logo
6:49 am - 7:15 pmYYZ-MRY
15h 26m2 stops
$695Alaska Airlines
Find Deal
Tue, Sep 23 - Sun, Sep 28
Alaska Airlines Logo
7:56 pm - 3:00 pmMRY-YYZ
16h 04m1 stop
Alaska Airlines Logo
4:45 pm - 7:14 pmYYZ-MRY
29h 29m1 stop
$697Alaska Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
Alaska Airlines Logo
7:56 pm - 3:00 pmMRY-YYZ
16h 04m1 stop
Alaska Airlines Logo
6:49 am - 7:15 pmYYZ-MRY
15h 26m2 stops
$699Alaska Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Monterey to Ontario flights

Get data-powered insights and trends into flights from Monterey to Ontario to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Monterey to Ontario take?

The duration of a flight to Ontario depends on your arrival airport. The shortest route to Ontario from Monterey is to Toronto, which takes 7h 49m.

Good to know

Cheapest flight$320
Flight from Monterey to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Monterey to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Monterey to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Monterey to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Monterey to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Monterey to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Monterey to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Monterey to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Monterey to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ontario?

    The cheapest time of day to fly to Ontario is generally in the morning, when round-trip flights cost $394 on average. The most expensive time of day to fly to Ontario is generally in the morning, which is peak travel time and where the average cost of a ticket is $394.

Reviews of the top airline flying from Monterey to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Monterey to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Monterey to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8943 reviews
7.3Comfort
8.1Crew
7.1Entertainment
7.7Boarding
6.6Food
Airline reviews

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

10.0 ExcellentAnonymous, Aug 2025EWR - YYZ
Read more United Airlines reviews

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

From the first moment you interact with United Airlines, you can expect nothing less but extreme frustration. The baggage handler at the bag drop seems completely unbothered by the presence of customers waiting in line. No help was extended to load the baggage whatsoever. And if any of your bags is overweight by 0.01 pound they will make you re-distribute everything in your suitcase just to play power trip. When it was time to board no help was extended to customers to locate their seats. Moreover. It was a chaotic mess at the gate when it was unclear who should board first and everyone just bunched up, trying to get on the plane. I am sure the crew was doing their best to perform their jobs while being paid their wages however it shouldn’t be that hard to smile once or twice when you’re in the business if serving customers. It is a shame for the United States of America to have a flagship carrier of such low caliber. Our flight was also delayed by about an hour and a half due to further delays prior to our inbound flight. Being someone who has travelled for both business and leisure in Asia, Europe, and South America I have never experienced such poor quality of service.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

The pilots were late and it made us 1 hour late. The meat was tough and bok choy was also tough.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

the delay for 3 hours was understandable due to weather conditions but the flight should’ve provided some on flight compensations or at least provide more food.

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

The best airline I have ever travel , really good customer service, attention and service !!

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

Everything you need to know for your flight from Monterey to Ontario

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