Cheap Flights from Ontario (ONT) to Cambridge (CBG)

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG)

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Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG) cost?
Snag a cheap one-way flight or cheap return flight from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG)?
is the most affordable month to fly from ONT to CBG. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from ONT to CBG. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG)?
You'll need to catch a flight with a layover when traveling from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ONT to CBG?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG)?
Book a flight from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG) last-minute?
Holding off until right before your break to book a ticket from ONT to CBG often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Cambridge (CBG)?
If you reserved your ONT to CBG flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cambridge
Distance
5396 mi

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Ontario to Cambridge Flights

The cheapest times to fly from Ontario to Cambridge

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Cambridge are during the month of . You can find some of the cheapest flights from Ontario to Cambridge with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Cambridge

Sunday is one of the best days to book for cheap flights from Ontario to Cambridge: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Cambridge

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Cambridge in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Cambridge flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Cambridge airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario to Cambridge Flights

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*Available to One Key members.