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 July 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.

$289 Cheap Flights from Ontario to Peoria in 2025

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Find the cheapest flights from Ontario to Peoria

Round-trip

One-way

Last minute

Cheap round-trip flights

12:47 pm - 11:05 pmONT-PIA

8h 18m1 stop

4:58 pm - 10:33 pmPIA-ONT

7h 35m1 stop

$289American Airlines

Find Deal

Thu, Aug 28 - Sat, Sep 6

2:31 pm - 11:05 pmONT-PIA

6h 34m1 stop

10:39 am - 6:16 pmPIA-ONT

9h 37m2 stops

$294American Airlines

Find Deal

Thu, Aug 28 - Sat, Sep 6

2:57 pm - 11:16 pmONT-PIA

6h 19m1 stop

5:09 pm - 10:48 pmPIA-ONT

7h 39m1 stop

$314American Airlines

Find Deal

Fri, Aug 15 - Fri, Aug 22

12:47 pm - 11:16 pmONT-PIA

8h 29m1 stop

6:45 am - 4:24 pmPIA-ONT

11h 39m2 stops

$319American Airlines

Find Deal

Fri, Aug 15 - Fri, Aug 22

11:59 pm - 10:44 amONT-PIA

8h 45m1 stop

4:45 pm - 10:10 pmPIA-ONT

7h 25m1 stop

$354American Airlines

Find Deal

Fri, Aug 29 - Mon, Sep 1

12:22 pm - 11:16 pmONT-PIA

8h 54m2 stops

6:45 am - 4:24 pmPIA-ONT

11h 39m2 stops

$364American Airlines

Find Deal

Fri, Aug 15 - Fri, Aug 22

7:00 am - 4:43 pmONT-PIA

7h 43m1 stop

10:48 am - 6:06 pmPIA-ONT

9h 18m1 stop

$379United Airlines

Find Deal

Tue, Sep 16 - Sat, Sep 27

1:29 pm - 8:56 pmONT-PIA

5h 27m1 stop

8:43 am - 12:33 pmPIA-ONT

5h 50m1 stop

$404United Airlines

Find Deal

Fri, Nov 7 - Sat, Nov 15

6:38 pm - 10:16 amONT-PIA

13h 38m2 stops

3:30 pm - 10:31 pmPIA-ONT

9h 01m1 stop

$409United Airlines

Find Deal

Sun, Nov 2 - Sat, Nov 15

6:38 pm - 10:16 amONT-PIA

13h 38m2 stops

1:20 pm - 8:44 pmPIA-ONT

9h 24m2 stops

$414United Airlines

Find Deal

Sun, Nov 2 - Sat, Nov 15

United Airlines flights from Ontario to Peoria, Illinois

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

United Airlines

Sep 16

ONT7:00 amOntario

7h 43m

1 stop

PIA4:43 pmGreater Peoria

Sep 27

PIA10:48 amGreater Peoria

9h 18m

1 stop

ONT6:06 pmOntario

$379

Find similar

United Airlines

Nov 7

ONT1:29 pmOntario

5h 27m

1 stop

PIA8:56 pmGreater Peoria

Nov 15

PIA8:43 amGreater Peoria

5h 50m

1 stop

ONT12:33 pmOntario

$404

Find similar

United Airlines

Nov 2

ONT6:38 pmOntario

13h 38m

2 stops

PIA10:16 amGreater Peoria

Nov 15

PIA3:30 pmGreater Peoria

9h 01m

1 stop

ONT10:31 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

Aug 28

ONT12:47 pmOntario

8h 18m

1 stop

PIA11:05 pmGreater Peoria

Sep 6

PIA4:58 pmGreater Peoria

7h 35m

1 stop

ONT10:33 pmOntario

$289

Find similar

American Airlines

Aug 28

ONT2:31 pmOntario

6h 34m

1 stop

PIA11:05 pmGreater Peoria

Sep 6

PIA10:39 amGreater Peoria

9h 37m

2 stops

ONT6:16 pmOntario

$294

Find similar

American Airlines

Aug 15

ONT2:57 pmOntario

6h 19m

1 stop

PIA11:16 pmGreater Peoria

Aug 22

PIA5:09 pmGreater Peoria

7h 39m

1 stop

ONT10:48 pmOntario

$314

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 8/28

12:47 pm-11:05 pm

1 stop8h 18m

Greater Peoria

Sat 9/6

4:58 pm-10:33 pm

1 stop7h 35m

$289

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Thu 8/28

2:31 pm-11:05 pm

1 stop6h 34m

Greater Peoria

Sat 9/6

10:39 am-6:16 pm

2 stops9h 37m

$294

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 8/15

2:57 pm-11:16 pm

1 stop6h 19m

Greater Peoria

Fri 8/22

5:09 pm-10:48 pm

1 stop7h 39m

$314

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 8/15

12:47 pm-11:16 pm

1 stop8h 29m

Greater Peoria

Fri 8/22

6:45 am-4:24 pm

2 stops11h 39m

$319

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 8/29

11:59 pm-10:44 am

1 stop8h 45m

Greater Peoria

Mon 9/1

4:45 pm-10:10 pm

1 stop7h 25m

$354

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 8/15

12:22 pm-11:16 pm

2 stops8h 54m

Greater Peoria

Fri 8/22

6:45 am-4:24 pm

2 stops11h 39m

$364

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 9/16

7:00 am-4:43 pm

1 stop7h 43m

Greater Peoria

Sat 9/27

10:48 am-6:06 pm

1 stop9h 18m

$379

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Fri 11/7

1:29 pm-8:56 pm

1 stop5h 27m

Greater Peoria

Sat 11/15

8:43 am-12:33 pm

1 stop5h 50m

$404

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Sun 11/2

6:38 pm-10:16 am

2 stops13h 38m

Greater Peoria

Sat 11/15

3:30 pm-10:31 pm

1 stop9h 01m

$409

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Sun 11/2

6:38 pm-10:16 am

2 stops13h 38m

Greater Peoria

Sat 11/15

1:20 pm-8:44 pm

2 stops9h 24m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Best Price Found	$380
Fastest flight time	5h 22m
Direct flights	None
Airports in Peoria, Illinois	1 airport

The best one-way flight to Peoria, Illinois from Ontario in the past 72 hours is $380. The best round-trip flight deal from Ontario to Peoria, Illinois found on momondo in the last 72 hours is $289.

The fastest flight from Ontario to Peoria, Illinois takes 5h 22m

There are no direct flights from Ontario to Peoria, Illinois. Popular non-direct route for this connection is Ontario Airport - Greater Peoria Airport.

There is 1 airport near Peoria, Illinois: Greater Peoria (PIA)

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 27m 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 July 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 (55% of total bookings). The next most popular airline is United Airlines (45%).

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 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 8,896 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.