In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What is the cheapest time of day to fly from CEC to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Crescent City to Ontario as you normally would.

Most accurate provider : When it comes to deals on Crescent City-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Crescent City-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Crescent City-Ontario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Crescent City-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Crescent City-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Crescent City to Ontario that include hotel bookings?

Yes. In addition to deals on Crescent City to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Crescent City to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Crescent City to Ontario.

Can I find deals for business class flights from Crescent City to Ontario?

Yes. Cheapflights offers flight deals from Crescent City to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$368+ Cheap Flights from Crescent City to Ontario

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1. Tell us where you want to go

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Cheap flight deals from Crescent City to Ontario

One-way

One-way flights from Crescent City to Ontario
Search for one-way flight options from Crescent City to Ontario. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.

Fri 10/98:00 am -

2 stops50h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$368

Tue 10/278:00 am -

2 stops10h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$387

Find flight deals from Crescent City to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Crescent City McNamara Field-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Crescent City McNamara Field-Ontario flights.

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Use the filters below to find and compare flights from Crescent City to Ontario that are best for you.

Fly from

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Route

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Price

Cheapest round-trip

Crescent CityOntario

CEC Crescent City McNamara Field - ONT Ontario

CECONT

Crescent City McNamara Field

Fri 10/9

8:00 am-10:17 am

2 stops50h 17m

Ontario

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$368

Quickest round-trip

Crescent CityOntario

CEC Crescent City McNamara Field - ONT Ontario

CECONT

Crescent City McNamara Field

Tue 10/27

8:00 am-6:00 pm

2 stops10h 00m

Ontario

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Sorted by cheapest first

Compare providers for flights from Crescent City to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Crescent City to Ontario in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Crescent City-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Crescent City-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Crescent City-Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Crescent City-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Crescent City-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Crescent City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Crescent City with our price prediction graph.

CEC-ONT

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Crescent City to Ontario that include hotel bookings?
Yes. In addition to deals on Crescent City to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Crescent City to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Crescent City to Ontario.
Can I find deals for business class flights from Crescent City to Ontario?
Yes. Cheapflights offers flight deals from Crescent City to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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$368+ Cheap flights from Crescent City to Ontario (CEC - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Crescent City to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Crescent City to Ontario

One-way flights from Crescent City to OntarioSearch for one-way flight options from Crescent City to Ontario. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.

Search for one-way flight options from Crescent City to Ontario. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.

Find flight deals from Crescent City to Ontario

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Crescent City to Ontario that are best for you.

Compare providers for flights from Crescent City to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Crescent City to Ontario in September.

Best time to book a flight from Crescent City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Crescent City with our price prediction graph.

Related info for your journey

Can I find deals for flights from Crescent City to Ontario that include hotel bookings?

How can I find direct flights from Crescent City to Ontario?

Can I find deals for business class flights from Crescent City to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Crescent City to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Crescent City to Ontario by cabin class

Find flights from Crescent City to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 14, 2026.

Crescent City and Ontario flights

Browse other Crescent City and Ontario flight options. Last updated on September 14, 2026.

Other flights from Crescent City

Browse through other flights departing from Crescent City. Flights are based on user searches made on Cheapflights and were last updated on September 14, 2026.

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One-way flights from Crescent City to Ontario
Search for one-way flight options from Crescent City to Ontario. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.