In terms of precipitation, rainfall in Peoria, Illinois ranges from 46.0 - 109.0 mm per month. May is typically the wettest month, when rainfall can reach 109.0 mm. January is typically the driest time to visit Peoria, Illinois when rainfall is around 46.0 mm.

If weather is an important factor for your trip to Peoria, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

What is the cheapest time of day to fly from ON to PIA?

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

What airport do you fly into for flights to Peoria from Ontario?

If you book a flight to Peoria from Ontario, you will be flying to Greater Peoria, which is the city’s only airport. Greater Peoria (PIA) is located 9.6 km from the centre of Peoria.

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

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

How can I find direct flights from Ontario to Peoria?

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

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

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

C$ 457+ Flights from Ontario to Peoria, IL

Cheap flight deals from Ontario to Peoria

Round-trip from	C$ 703
One-way from	C$ 457

United Airlines
13/9-20/9
2 total stops
14h 51m total
Ontario to Peoria

Search Deals

United Airlines
11/9
1 total stop
7h 18m total
Ontario to Peoria

Search Deals

Find flight deals from Ontario to Peoria

Cheapest flights from Ontario to Peoria
Explore the most affordable flight options available from Ontario to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Sat 13/99:00 a.m.YYZ - PIA

1 stop7h 18mUnited Airlines

Sat 20/98:10 a.m.PIA - YYZ

1 stop7h 33mUnited Airlines

Deal found 29/7C$ 703

Fly from

Fly to

Route

Depart

Return

Price

TorontoPeoria

YYZ - PIA

YYZPIA

Toronto Pearson Intl

Sat 13/9

9:00 a.m.-3:18 p.m.

1 stop7h 18m

Greater Peoria

Sat 20/9

8:10 a.m.-4:43 p.m.

1 stop7h 33m

C$ 703

TorontoPeoria

YYZ - PIA

YYZPIA

Toronto Pearson Intl

Thu 11/9

9:00 a.m.-3:18 p.m.

1 stop7h 18m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from Ontario to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Ontario 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 Ontario to Peoria

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Peoria

Read through reviews of airlines operating flights from Ontario to Peoria, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,900 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,900 reviews

United Airlines

7.4

Good

8,900 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What airport do you fly into for flights to Peoria from Ontario?
If you book a flight to Peoria from Ontario, you will be flying to Greater Peoria, which is the city’s only airport. Greater Peoria (PIA) is located 9.6 km from the centre of Peoria.
Can I find deals for flights from Ontario to Peoria that include hotel bookings?
Yes. In addition to deals on Ontario to Peoria flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Peoria?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Peoria.
Can I find deals for business class flights from Ontario to Peoria?
Yes. Cheapflights offers flight deals from Ontario to Peoria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Peoria

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Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Peoria?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Peoria from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Peoria?

Cheapflights helps you find that perfect flight to Peoria from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Peoria with no change fees?

Need flexible booking options for your flight to Peoria from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Peoria become cheaper?

Of course! You can now track prices for flights from Ontario to Peoria and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Ontario to Peoria, IL from C$ 457

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Peoria

Keep the following information in mind while searching for Ontario to Peoria flight deals. Data was last updated 31 July 2025.

Round-trip from

One-way from

Find flight deals from Ontario to Peoria

Cheapest flights from Ontario to PeoriaExplore the most affordable flight options available from Ontario to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Explore the most affordable flight options available from Ontario to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Peoria

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Peoria

Reviews of airlines servicing Peoria

Get insights into the airlines that provide service to Peoria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Peoria. Reviews last updated 31 July 2025.

Read through reviews of airlines operating flights from Ontario to Peoria, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Peoria. 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 into for flights to Peoria from Ontario?

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

How can I find direct flights from Ontario to Peoria?

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

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 Ontario to Peoria

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Peoria?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Peoria?

Can Cheapflights find flights from Ontario to Peoria with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Peoria become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Peoria
Explore the most affordable flight options available from Ontario to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.