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

United Airlines and American Airlines are the most popular carriers 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 October 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.

$264 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.

11:59 pm - 10:46 amONT-PIA

8h 47m1 stop

4:51 pm - 10:42 pmPIA-ONT

7h 51m1 stop

$314American Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

6:36 pm - 10:13 amONT-PIA

13h 37m2 stops

1:20 pm - 6:36 pmPIA-ONT

7h 16m1 stop

$319United Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

10:09 am - 11:01 pmONT-PIA

10h 52m2 stops

6:36 am - 3:24 pmPIA-ONT

10h 48m2 stops

$324American Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

1:33 pm - 8:56 pmONT-PIA

5h 23m1 stop

5:23 pm - 10:31 pmPIA-ONT

7h 08m1 stop

$379United Airlines

Find Deal

Wed, Nov 19 - Sat, Nov 22

1:29 pm - 8:56 pmONT-PIA

5h 27m1 stop

8:43 am - 5:34 pmPIA-ONT

10h 51m2 stops

$409United Airlines

Find Deal

Fri, Oct 31 - Wed, Nov 19

12:55 pm - 11:49 pmONT-PIA

8h 54m2 stops

4:23 pm - 11:57 pmPIA-ONT

9h 34m1 stop

$424American Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 9

5:05 am - 8:56 pmONT-PIA

13h 51m1 stop

5:23 pm - 10:31 pmPIA-ONT

7h 08m1 stop

$435United Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 15

5:05 am - 8:56 pmONT-PIA

13h 51m1 stop

8:43 am - 12:33 pmPIA-ONT

5h 50m1 stop

$437United Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 15

5:05 am - 8:47 pmONT-PIA

13h 42m1 stop

1:20 pm - 9:08 pmPIA-ONT

9h 48m2 stops

$442United Airlines

Find Deal

Wed, Dec 31 - Mon, Jan 5

7:00 am - 4:40 pmONT-PIA

7h 40m1 stop

10:51 am - 3:21 pmPIA-ONT

6h 30m1 stop

$444United Airlines

Find Deal

Wed, Nov 26 - Thu, Nov 27

United Airlines flights from Ontario to Peoria, Illinois

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

United Airlines

Oct 21

ONT6:36 pmOntario

13h 37m

2 stops

PIA10:13 amGreater Peoria

Oct 28

PIA1:20 pmGreater Peoria

7h 16m

1 stop

ONT6:36 pmOntario

$319

Find similar

United Airlines

Nov 19

ONT1:33 pmOntario

5h 23m

1 stop

PIA8:56 pmGreater Peoria

Nov 22

PIA5:23 pmGreater Peoria

7h 08m

1 stop

ONT10:31 pmOntario

$379

Find similar

United Airlines

Oct 31

ONT1:29 pmOntario

5h 27m

1 stop

PIA8:56 pmGreater Peoria

Nov 19

PIA8:43 amGreater Peoria

10h 51m

2 stops

ONT5:34 pmOntario

$409

Find similar

American Airlines flights from Ontario to Peoria, Illinois

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

American Airlines

Oct 21

ONT11:59 pmOntario

8h 47m

1 stop

PIA10:46 amGreater Peoria

Oct 28

PIA4:51 pmGreater Peoria

7h 51m

1 stop

ONT10:42 pmOntario

$314

Find similar

American Airlines

Oct 21

ONT10:09 amOntario

10h 52m

2 stops

PIA11:01 pmGreater Peoria

Oct 28

PIA6:36 amGreater Peoria

10h 48m

2 stops

ONT3:24 pmOntario

$324

Find similar

American Airlines

Nov 7

ONT12:55 pmOntario

8h 54m

2 stops

PIA11:49 pmGreater Peoria

Nov 9

PIA4:23 pmGreater Peoria

9h 34m

1 stop

ONT11:57 pmOntario

$424

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 10/21

11:59 pm-10:46 am

1 stop8h 47m

Greater Peoria

Tue 10/28

4:51 pm-10:42 pm

1 stop7h 51m

$314

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 10/21

6:36 pm-10:13 am

2 stops13h 37m

Greater Peoria

Tue 10/28

1:20 pm-6:36 pm

1 stop7h 16m

$319

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 10/21

10:09 am-11:01 pm

2 stops10h 52m

Greater Peoria

Tue 10/28

6:36 am-3:24 pm

2 stops10h 48m

$324

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Wed 11/19

1:33 pm-8:56 pm

1 stop5h 23m

Greater Peoria

Sat 11/22

5:23 pm-10:31 pm

1 stop7h 08m

$379

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 10/31

1:29 pm-8:56 pm

1 stop5h 27m

Greater Peoria

Wed 11/19

8:43 am-5:34 pm

2 stops10h 51m

$409

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 11/7

12:55 pm-11:49 pm

2 stops8h 54m

Greater Peoria

Sun 11/9

4:23 pm-11:57 pm

1 stop9h 34m

$424

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Sat 11/8

5:05 am-8:56 pm

1 stop13h 51m

Greater Peoria

Sat 11/15

5:23 pm-10:31 pm

1 stop7h 08m

$435

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Sat 11/8

5:05 am-8:56 pm

1 stop13h 51m

Greater Peoria

Sat 11/15

8:43 am-12:33 pm

1 stop5h 50m

$437

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Wed 12/31

5:05 am-8:47 pm

1 stop13h 42m

Greater Peoria

Mon 1/5

1:20 pm-9:08 pm

2 stops9h 48m

$442

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Wed 11/26

7:00 am-4:40 pm

1 stop7h 40m

Greater Peoria

Thu 11/27

10:51 am-3:21 pm

1 stop6h 30m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Direct flights	None

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 22m 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 October 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 (71% of total bookings). The next most popular airline is United Airlines (29%).

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 11,043 reviews		Search American Airlines flights
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 8,968 reviews		Search United Airlines flights

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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.