Cheap flights from Ontario to Peoria (ONT - PIA) from $196

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
ONT — PIA
Sep 26 — Oct 31

How to find the cheapest flight from Ontario (ONT) to Peoria (PIA)

All the information you need to plan the best ONT to PIA flight in 2023: compare Ontario to Peoria flight prices with the expected peak season, weather and rainfall in Peoria.

Popular in

January

Cheapest in

June

Round-trip from

$380

One-way from

$196
High demand for flights, 19% potential price rise
Best time to find cheap flights, 46% potential price drop
From Ontario to Greater Peoria
One-way flight from Ontario to Greater Peoria

ONT - PIA

Price

$380 - $604

PIA

Temperature

24.8 - 75.2 °F

PIA

Rainfall

1.8 - 4.3 inches

How far in advance should I book a flight from Ontario to Peoria, Illinois?

Find a great deal and save up to 45% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Peoria, Illinois within the next two weeks, with the cheapest ticket starting at $575.

What is the cheapest month to fly from Ontario to Peoria, Illinois?

Flights from Ontario to Peoria, Illinois lean towards being more expensive in May. Prices are generally better when you fly from Ontario to Peoria, Illinois in April, with the cheapest ticket starting at $297.

When is the cheapest time to fly from Ontario to Peoria, Illinois (ONT - PIA)?

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

Cheap American Airlines flights from Ontario to Peoria

Cheap Ontario to Peoria flights in September & October 2023

The best prices found for ONT to PIA flights for September, October

Ontario to Peoria 2023 flight deals

Cheap flights to Peoria from Ontario found for this year

One-way flights to Peoria from Ontario

The cheapest one-way flights from Ontario to Peoria

Find flights from Ontario to Peoria within your budget

Use the slider to find flights from Ontario to Peoria that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$502 - $1,919

Route

Depart

Return

Price

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Wed 10/25

1 stop7h 59m

Greater Peoria

Wed 11/1

2 stops9h 36m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Wed 10/25

2 stops7h 18m

Greater Peoria

Wed 11/1

2 stops9h 36m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Mon 10/16

2 stops12h 05m

Greater Peoria

Wed 10/18

2 stops10h 10m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Mon 10/16

1 stop6h 10m

Greater Peoria

Tue 10/17

2 stops8h 46m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Mon 10/16

2 stops9h 52m

Greater Peoria

Tue 10/17

2 stops8h 46m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Mon 10/16

1 stop6h 10m

Greater Peoria

Wed 10/18

2 stops9h 36m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Wed 11/22

1 stop6h 36m

Greater Peoria

Sun 11/26

1 stop7h 28m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Wed 11/22

2 stops11h 21m

Greater Peoria

Sun 11/26

1 stop7h 28m

OntarioGreater Peoria

ONT - PIA

ONTPIA

Ontario

Mon 10/16

1 stop7h 59m

Greater Peoria

Wed 10/18

1 stop7h 09m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Peoria

United Airlines
7.4
Good
1,887 reviews

Entertainment

7.0

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 10

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

United Airlines
7.4
Good
1,887 reviews
United Airlines
7.4
Good
1,887 reviews

Entertainment

7.0

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 10

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

American Airlines
7.2
Good
2,635 reviews
United Airlines
7.4
Good
1,887 reviews

Entertainment

7.0

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 10

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Related info for your journey

Useful info, stats and facts about Ontario to Peoria flights.

Can I find flights from Ontario to Peoria, Illinois for under $600 on Cheapflights?

Yes, there are multiple flights from Ontario to Peoria, Illinois for under $600. The cheapest flight booked recently is on American Airlines for just $502, but on average you can expect to pay $869.

What are the cheapest airlines flying from Ontario to Peoria, Illinois round-trip?

Flying on American Airlines is currently your cheapest option to Peoria, Illinois, with prices starting at $502. Another option worth looking into is United Airlines, starting at $606 round trip. Users have found that American Airlines is 15% cheaper than the other options available to this destination.

What does ONT to PIA mean?

This is defined as Ontario Airport (ONT) and Greater Peoria Airport (PIA). Codes like Greater Peoria Airport are often used to just call airports uniquely.

Top airline flying from Ontario to Peoria

The chart below displays the airlines Cheapflights users traveling from Ontario to Peoria choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$431Average$558FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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