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Cheap flights from Ontario to Peoria from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Peoria departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Peoria

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:13 pm - 9:23 am
ONT
-
PIA
12h 10m
2 stops
American Airlines Logo
4:20 pm - 10:36 pm
PIA
-
ONT
8h 16m
1 stop
$397American Airlines
Tue, Jun 16 - Tue, Jun 23
American Airlines Logo
12:40 pm - 11:38 pm
ONT
-
PIA
8h 58m
1 stop
American Airlines Logo
4:47 pm - 10:39 pm
PIA
-
ONT
7h 52m
1 stop
$419American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
1:10 pm - 12:38 am
ONT
-
PIA
9h 28m
2 stops
American Airlines Logo
4:47 pm - 11:59 pm
PIA
-
ONT
9h 12m
1 stop
$424American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
2:43 pm - 11:19 pm
ONT
-
PIA
6h 36m
1 stop
American Airlines Logo
4:43 pm - 10:58 pm
PIA
-
ONT
8h 15m
1 stop
$429American Airlines
Sat, Aug 29 - Mon, Aug 31
American Airlines Logo
7:13 pm - 9:23 am
ONT
-
PIA
12h 10m
2 stops
American Airlines Logo
4:47 pm - 11:59 pm
PIA
-
ONT
9h 12m
1 stop
$432American Airlines
Tue, Jun 16 - Tue, Jun 23
American Airlines Logo
12:59 pm - 11:19 pm
ONT
-
PIA
8h 20m
2 stops
American Airlines Logo
4:43 pm - 10:58 pm
PIA
-
ONT
8h 15m
1 stop
$434American Airlines
Sat, Aug 29 - Mon, Aug 31
American Airlines Logo
12:41 pm - 11:38 pm
ONT
-
PIA
8h 57m
1 stop
American Airlines Logo
4:20 pm - 10:36 pm
PIA
-
ONT
8h 16m
1 stop
$470American Airlines
Tue, Jun 16 - Tue, Jun 23
American Airlines Logo
1:10 pm - 12:38 am
ONT
-
PIA
9h 28m
2 stops
American Airlines Logo
12:24 pm - 10:02 pm
PIA
-
ONT
11h 38m
2 stops
$474American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
7:13 pm - 9:23 am
ONT
-
PIA
12h 10m
2 stops
American Airlines Logo
12:24 pm - 9:57 pm
PIA
-
ONT
11h 33m
2 stops
$493American Airlines
Tue, Jun 16 - Tue, Jun 23
American Airlines Logo
12:33 pm - 11:19 pm
ONT
-
PIA
8h 46m
1 stop
American Airlines Logo
7:12 am - 1:31 pm
PIA
-
ONT
8h 19m
1 stop
$494American Airlines
Wed, Aug 5 - Sun, Aug 9

United Airlines flights from Ontario to Peoria, Illinois

Our best United Airlines deals on Ontario to Peoria, Illinois flight tickets
United Airlines
Jun 6
ONT6:05 amOntario
7h 34m
1 stop
PIA3:39 pmGreater Peoria
Jun 8
PIA4:45 pmGreater Peoria
8h 06m
1 stop
ONT10:51 pmOntario
$499
United Airlines
May 27
ONT1:18 pmOntario
5h 43m
1 stop
PIA9:01 pmGreater Peoria
Jun 2
PIA4:45 pmGreater Peoria
8h 06m
1 stop
ONT10:51 pmOntario
$514
United Airlines
Aug 29
ONT1:18 pmOntario
5h 32m
1 stop
PIA8:50 pmGreater Peoria
Sep 1
PIA8:45 amGreater Peoria
11h 26m
2 stops
ONT6:11 pmOntario
$520

American Airlines flights from Ontario to Peoria, Illinois

Our best American Airlines deals on Ontario to Peoria, Illinois flight tickets
American Airlines
Jun 16
ONT7:13 pmOntario
12h 10m
2 stops
PIA9:23 amGreater Peoria
Jun 23
PIA4:20 pmGreater Peoria
8h 16m
1 stop
ONT10:36 pmOntario
$397
American Airlines
Jun 2
ONT12:40 pmOntario
8h 58m
1 stop
PIA11:38 pmGreater Peoria
Jun 6
PIA4:47 pmGreater Peoria
7h 52m
1 stop
ONT10:39 pmOntario
$419
American Airlines
Jun 2
ONT1:10 pmOntario
9h 28m
2 stops
PIA12:38 amGreater Peoria
Jun 6
PIA4:47 pmGreater Peoria
9h 12m
1 stop
ONT11:59 pmOntario
$424

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Peoria, Illinois 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, momondo users made 832,500 searches. Data last updated May 22, 2026.
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

Cheapest round-trip

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/16

7:13 pm-9:23 am

2 stops12h 10m

Greater Peoria

Tue 6/23

4:20 pm-10:36 pm

1 stop8h 16m

$397

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/2

12:40 pm-11:38 pm

1 stop8h 58m

Greater Peoria

Sat 6/6

4:47 pm-10:39 pm

1 stop7h 52m

$419

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/2

1:10 pm-12:38 am

2 stops9h 28m

Greater Peoria

Sat 6/6

4:47 pm-11:59 pm

1 stop9h 12m

$424
Quickest round-trip

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Sat 8/29

2:43 pm-11:19 pm

1 stop6h 36m

Greater Peoria

Mon 8/31

4:43 pm-10:58 pm

1 stop8h 15m

$429

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/16

7:13 pm-9:23 am

2 stops12h 10m

Greater Peoria

Tue 6/23

4:47 pm-11:59 pm

1 stop9h 12m

$432

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Sat 8/29

12:59 pm-11:19 pm

2 stops8h 20m

Greater Peoria

Mon 8/31

4:43 pm-10:58 pm

1 stop8h 15m

$434

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/16

12:41 pm-11:38 pm

1 stop8h 57m

Greater Peoria

Tue 6/23

4:20 pm-10:36 pm

1 stop8h 16m

$470

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/2

1:10 pm-12:38 am

2 stops9h 28m

Greater Peoria

Sat 6/6

12:24 pm-10:02 pm

2 stops11h 38m

$474

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Tue 6/16

7:13 pm-9:23 am

2 stops12h 10m

Greater Peoria

Tue 6/23

12:24 pm-9:57 pm

2 stops11h 33m

$493

OntarioPeoria

ONT - PIA

ONTPIA

Ontario

Wed 8/5

12:33 pm-11:19 pm

1 stop8h 46m

Greater Peoria

Sun 8/9

7:12 am-1:31 pm

1 stop8h 19m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Peoria from

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

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

American Airlines and United Airlines are the most popular carriers operating from Ontario to Greater Peoria

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 32m

Direct flights

None
The fastest flight from Ontario to Peoria, Illinois takes 5h 32m
There are no direct flights from Ontario to Peoria, Illinois. There are no popular flight routes from Ontario to Peoria, Illinois.
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Frequently asked questions about flying from Ontario to Peoria, Illinois

  • 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 32m 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?

  • 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?

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 AirlinesPriceFrom $288Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights

Traveling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
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.

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