What is the cheapest airline that flies from Ontario to Greater Peoria?

United Airlines is the most popular carrier operating from Ontario to Greater Peoria

When did momondo last update prices for flights from Ontario Airport to Greater Peoria Airport?

Prices for flights from Ontario Airport to Greater Peoria Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Greater Peoria Airport?

As of December 2025, there are 2 operators available to choose from for flights from Ontario Airport to Greater Peoria Airport.

How old do you have to be to fly from Ontario Airport to Greater Peoria Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Greater Peoria Airport.

What documentation or ID do you need to fly to Greater Peoria Airport?

The travel and health documents you'll need for your trip to Greater Peoria Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Greater Peoria Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$196 Cheap Flights from Ontario to Peoria in 2025/26

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Find the cheapest flights from Ontario to Peoria

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 4:45 pm

ONT

PIA

7h 45m1 stop

5:25 pm - 10:26 pm

PIA

ONT

7h 01m1 stop

$379United Airlines

Wed, Apr 15 - Fri, Apr 24

1:24 pm - 8:47 pm

ONT

PIA

5h 23m1 stop

3:00 pm - 10:53 pm

PIA

ONT

9h 53m2 stops

$384United Airlines

Thu, Jan 22 - Mon, Jan 26

5:05 am - 4:43 pm

ONT

PIA

9h 38m2 stops

10:45 am - 8:58 pm

PIA

ONT

12h 13m2 stops

$389United Airlines

Thu, Jan 22 - Mon, Jan 26

6:39 pm - 2:23 pm

ONT

PIA

17h 44m3 stops

10:45 am - 8:58 pm

PIA

ONT

12h 13m2 stops

$394United Airlines

Thu, Jan 22 - Mon, Jan 26

7:00 am - 4:44 pm

ONT

PIA

7h 44m1 stop

2:50 pm - 10:26 pm

PIA

ONT

9h 36m1 stop

$399United Airlines

Wed, May 13 - Wed, May 20

1:24 pm - 8:47 pm

ONT

PIA

5h 23m1 stop

1:24 pm - 10:53 pm

PIA

ONT

11h 29m2 stops

$404United Airlines

Thu, Jan 22 - Mon, Jan 26

6:39 pm - 10:10 am

ONT

PIA

13h 31m2 stops

1:24 pm - 10:53 pm

PIA

ONT

11h 29m2 stops

$409United Airlines

Thu, Jan 22 - Mon, Jan 26

6:39 pm - 2:23 pm

ONT

PIA

17h 44m3 stops

10:45 am - 8:58 pm

PIA

ONT

12h 13m2 stops

$414United Airlines

Thu, Jan 22 - Mon, Jan 26

1:24 pm - 8:47 pm

ONT

PIA

5h 23m1 stop

8:35 am - 8:58 pm

PIA

ONT

14h 23m1 stop

$455United Airlines

Thu, Jan 22 - Mon, Jan 26

1:24 pm - 8:47 pm

ONT

PIA

5h 23m1 stop

8:35 am - 8:58 pm

PIA

ONT

14h 23m1 stop

$465United Airlines

Thu, Jan 22 - Mon, Jan 26

United Airlines flights from Ontario to Peoria, Illinois

Our best United Airlines deals on Ontario to Peoria, Illinois flight tickets

United Airlines

Apr 15

ONT7:00 amOntario

7h 45m

1 stop

PIA4:45 pmGreater Peoria

Apr 24

PIA5:25 pmGreater Peoria

7h 01m

1 stop

ONT10:26 pmOntario

$379

Find similar

United Airlines

Jan 22

ONT1:24 pmOntario

5h 23m

1 stop

PIA8:47 pmGreater Peoria

Jan 26

PIA3:00 pmGreater Peoria

9h 53m

2 stops

ONT10:53 pmOntario

$384

Find similar

United Airlines

Jan 22

ONT5:05 amOntario

9h 38m

2 stops

PIA4:43 pmGreater Peoria

Jan 26

PIA10:45 amGreater Peoria

12h 13m

2 stops

ONT8:58 pmOntario

$389

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Wed 4/15

7:00 am-4:45 pm

1 stop7h 45m

Greater Peoria

Fri 4/24

5:25 pm-10:26 pm

1 stop7h 01m

$379

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

1:24 pm-8:47 pm

1 stop5h 23m

Greater Peoria

Mon 1/26

3:00 pm-10:53 pm

2 stops9h 53m

$384

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

5:05 am-4:43 pm

2 stops9h 38m

Greater Peoria

Mon 1/26

10:45 am-8:58 pm

2 stops12h 13m

$389

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

6:39 pm-2:23 pm

3 stops17h 44m

Greater Peoria

Mon 1/26

10:45 am-8:58 pm

2 stops12h 13m

$394

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Wed 5/13

7:00 am-4:44 pm

1 stop7h 44m

Greater Peoria

Wed 5/20

2:50 pm-10:26 pm

1 stop9h 36m

$399

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

1:24 pm-8:47 pm

1 stop5h 23m

Greater Peoria

Mon 1/26

1:24 pm-10:53 pm

2 stops11h 29m

$404

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

6:39 pm-10:10 am

2 stops13h 31m

Greater Peoria

Mon 1/26

1:24 pm-10:53 pm

2 stops11h 29m

$409

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

6:39 pm-2:23 pm

3 stops17h 44m

Greater Peoria

Mon 1/26

10:45 am-8:58 pm

2 stops12h 13m

$414

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

1:24 pm-8:47 pm

1 stop5h 23m

Greater Peoria

Mon 1/26

8:35 am-8:58 pm

1 stop14h 23m

$455

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 1/22

1:24 pm-8:47 pm

1 stop5h 23m

Greater Peoria

Mon 1/26

8:35 am-8:58 pm

1 stop14h 23m

$465

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Peoria, Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Peoria, Illinois?

Our data shows that Wednesday is the least expensive day to fly to Peoria, Illinois. Tickets to fly out on this day can be as low as $332. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,485. These prices are subject to change though, so be sure to set up a Price Alert for flights to Peoria, Illinois.

What is the cheapest time of day to depart on your flight to Peoria, Illinois?

Our most recent data shows that the best time of day to fly to Peoria, Illinois is at noon. Flights from Ontario to Peoria, Illinois during this time can be as low as $441. Try not to purchase tickets in the morning because they tend to be around $445. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Peoria, Illinois

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Peoria, Illinois according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Peoria, Illinois (ONT to PIA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Peoria, Illinois

Fastest flight time	5h 23m
Direct flights	None

The fastest flight from Ontario to Peoria, Illinois takes 5h 23m

There are no direct flights from Ontario to Peoria, Illinois. There are no popular flight routes from Ontario to Peoria, Illinois.

Search flight deals

How far is Ontario to Greater Peoria by plane?
Ontario and Greater Peoria are 1598.5 mi apart from one another. Typically, this will take 5h 23m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to Greater Peoria Airport?
Prices for flights from Ontario Airport to Greater Peoria Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Greater Peoria Airport?
As of December 2025, there are 2 operators available to choose from for flights from Ontario Airport to Greater Peoria Airport.
How old do you have to be to fly from Ontario Airport to Greater Peoria Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Greater Peoria Airport.
What documentation or ID do you need to fly to Greater Peoria Airport?
The travel and health documents you'll need for your trip to Greater Peoria Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Greater Peoria Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Peoria, Illinois?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Peoria, Illinois is American Airlines (70% of total bookings). The next most popular airline is United Airlines (30%).

Best airlines flying from Ontario to Peoria, Illinois

Compare and see reviews for airlines that fly from Ontario to Peoria, Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 11,050 reviews		Search American Airlines flights
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 9,095 reviews		Search United Airlines flights

Canton

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Peoria?

Finding the right flight to Peoria from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Peoria quick and easy, saving you time and money.

Can I find flights from Ontario to Peoria with flexible booking policies on momondo?

momondo does allow users to show only those flights to Peoria from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Peoria?

Once all potential Ontario to Peoria flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Peoria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Peoria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.