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$626+ Cheap flights from Champaign (CMI) to Ontario

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — YYZ
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Champaign to Ontario

Keep the following information in mind while searching for Champaign to Ontario flight deals. Data was last updated September 15, 2025.

Round-trip from

$626
(American Airlines)
From Champaign University-Willard to Ontario
Search Deals

Find flight deals from Champaign to Ontario

Cheapest flights from Champaign to Ontario
Explore the most affordable flight options available from Champaign to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:10 pmCMI - YYZ
1 stop13h 42mAmerican Airlines
Tue 12/26:20 pmYYZ - CMI
1 stop17h 31mAmerican Airlines
Deal found 9/14$626
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:26 pmCMI - YYZ
2 stops16h 33mAmerican Airlines
Fri 10/106:29 pmYYZ - CMI
1 stop17h 14mAmerican Airlines
Deal found 9/13$753

Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Champaign to Ontario that are best for you.

Fly from

Champaign

Fly to

Ontario

Route

Depart

Return

Price

ChampaignToronto

CMI - YYZ

CMIYYZ

Champaign University-Willard

Sat 11/22

8:10 pm-10:52 am

1 stop13h 42m

Toronto Pearson Intl

Tue 12/2

6:20 pm-10:51 am

1 stop17h 31m

$626

ChampaignToronto

CMI - YYZ

CMIYYZ

Champaign University-Willard

Tue 10/7

4:26 pm-9:59 am

2 stops16h 33m

Toronto Pearson Intl

Fri 10/10

6:29 pm-10:43 am

1 stop17h 14m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Champaign to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Champaign to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Champaign to Ontario?

    If you book a flight to Ontario from Champaign, you will be flying from University-Willard, which is the city’s only airport. Champaign University-Willard (CMI) is located 11.3 mi from the center of Champaign.

  • How long is the flight from Champaign to Region of Ontario?

    A quick flight from Champaign to Region of Ontario can take about 13h 42m. American Airlines provides one of the quickest options available for as low as $626. The distance from Champaign to Region of Ontario is about 511 mi.

  • Can I find deals for flights from Champaign to Ontario that include hotel bookings?

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

  • How can I find direct flights from Champaign to Ontario?

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

  • Can I find deals for business class flights from Champaign to Ontario?

    Yes. Cheapflights offers flight deals from Champaign 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.

  • What is the cheapest month to book a flight from Champaign to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Champaign to Region of Ontario (average of $243). Flying from Champaign to Region of Ontario in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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