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

Prices for flights from Greater Peoria Airport to Ontario Airport refresh daily.

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

As of November 2026, there are 2 operators available to choose from for flights from Greater Peoria Airport to Ontario Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greater Peoria Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$399 Cheap Flights from Peoria, Illinois to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Peoria, Illinois to Los Angeles

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Cheap round-trip flights

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4:15 pm - 11:13 pmPIA Greater Peoria-ONT Ontario

8h 58m1 stop Dallas/Fort Worth

10:38 am - 9:36 pmONT Ontario-PIA Greater Peoria

8h 58m1 stop Dallas/Fort Worth

$399American Airlines

Wed, Jan 27 - Tue, Feb 2

10:40 am - 8:01 pmPIA Greater Peoria-ONT Ontario

11h 21m2 stops Chicago O'Hare Intl San Francisco

1:42 pm - 9:10 pmONT Ontario-PIA Greater Peoria

5h 28m1 stop Denver Intl

$404United Airlines

Wed, Jan 27 - Tue, Feb 2

9:29 pm - 7:20 amPIA Greater Peoria-ONT Ontario

11h 51m1 stop Las Vegas Harry Reid Intl

2:01 pm - 11:36 amONT Ontario-PIA Greater Peoria

19h 35m1 stop Las Vegas Harry Reid Intl

$407Multiple Airlines

Thu, Nov 19 - Mon, Nov 23

8:40 am - 5:35 pmPIA Greater Peoria-ONT Ontario

10h 55m2 stops Denver Intl San Francisco

5:00 am - 4:59 pmONT Ontario-PIA Greater Peoria

9h 59m2 stops Denver Intl Chicago O'Hare Intl

$409United Airlines

Wed, Jan 27 - Tue, Feb 2

9:13 pm - 7:07 amPIA Greater Peoria-ONT Ontario

11h 54m1 stop Las Vegas Harry Reid Intl

9:37 pm - 11:32 amONT Ontario-PIA Greater Peoria

11h 55m1 stop Las Vegas Harry Reid Intl

$450Multiple Airlines

Thu, Dec 24 - Mon, Dec 28

9:13 pm - 7:07 amPIA Greater Peoria-ONT Ontario

11h 54m1 stop Las Vegas Harry Reid Intl

8:02 am - 11:32 amONT Ontario-PIA Greater Peoria

25h 30m2 stops San Francisco Las Vegas Harry Reid Intl

$470Multiple Airlines

Thu, Dec 24 - Mon, Dec 28

11:22 am - 7:09 pmPIA Greater Peoria-ONT Ontario

9h 47m1 stop Chicago O'Hare Intl

11:59 pm - 10:42 amONT Ontario-PIA Greater Peoria

8h 43m1 stop Dallas/Fort Worth

$479American Airlines

Fri, Dec 25 - Mon, Dec 28

8:40 am - 12:40 pmPIA Greater Peoria-ONT Ontario

6h 00m1 stop Denver Intl

7:00 am - 4:59 pmONT Ontario-PIA Greater Peoria

7h 59m1 stop Chicago O'Hare Intl

$509United Airlines

Wed, Jan 13 - Sun, Jan 17

4:43 pm - 11:59 pmPIA Greater Peoria-ONT Ontario

9h 16m1 stop Dallas/Fort Worth

1:30 pm - 12:04 amONT Ontario-PIA Greater Peoria

8h 34m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$593American Airlines

Thu, Nov 19 - Mon, Nov 23

11:22 am - 7:09 pmPIA Greater Peoria-ONT Ontario

9h 47m1 stop Chicago O'Hare Intl

9:35 am - 12:15 amONT Ontario-PIA Greater Peoria

12h 40m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$617American Airlines

Fri, Dec 25 - Mon, Dec 28

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United Airlines flights from Peoria, Illinois to Ontario

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

United Airlines

Jan 27

PIA10:40 amGreater Peoria

11h 21m

2 stops

ONT8:01 pmOntario

Feb 2

ONT1:42 pmOntario

5h 28m

1 stop

PIA9:10 pmGreater Peoria

$404

United Airlines

Jan 27

PIA8:40 amGreater Peoria

10h 55m

2 stops

ONT5:35 pmOntario

Feb 2

ONT5:00 amOntario

9h 59m

2 stops

PIA4:59 pmGreater Peoria

$409

United Airlines

Jan 13

PIA8:40 amGreater Peoria

6h 00m

1 stop

ONT12:40 pmOntario

Jan 17

ONT7:00 amOntario

7h 59m

1 stop

PIA4:59 pmGreater Peoria

$509

American Airlines flights from Peoria, Illinois to Ontario

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

American Airlines

Jan 27

PIA4:15 pmGreater Peoria

8h 58m

1 stop

ONT11:13 pmOntario

Feb 2

ONT10:38 amOntario

8h 58m

1 stop

PIA9:36 pmGreater Peoria

$399

American Airlines

Dec 25

PIA11:22 amGreater Peoria

9h 47m

1 stop

ONT7:09 pmOntario

Dec 28

ONT11:59 pmOntario

8h 43m

1 stop

PIA10:42 amGreater Peoria

$479

American Airlines

Nov 19

PIA4:43 pmGreater Peoria

9h 16m

1 stop

ONT11:59 pmOntario

Nov 23

ONT1:30 pmOntario

8h 34m

2 stops

PIA12:04 amGreater Peoria

$593

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 1/27

4:15 pm-11:13 pm

1 stop8h 58m

Ontario

Tue 2/2

10:38 am-9:36 pm

1 stop8h 58m

$399

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 1/27

10:40 am-8:01 pm

2 stops11h 21m

Ontario

Tue 2/2

1:42 pm-9:10 pm

1 stop5h 28m

$404

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 11/19

9:29 pm-7:20 am

1 stop11h 51m

Ontario

Mon 11/23

2:01 pm-11:36 am

1 stop19h 35m

$407

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 1/27

8:40 am-5:35 pm

2 stops10h 55m

Ontario

Tue 2/2

5:00 am-4:59 pm

2 stops9h 59m

$409

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 12/24

9:13 pm-7:07 am

1 stop11h 54m

Ontario

Mon 12/28

9:37 pm-11:32 am

1 stop11h 55m

$450

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 12/24

9:13 pm-7:07 am

1 stop11h 54m

Ontario

Mon 12/28

8:02 am-11:32 am

2 stops25h 30m

$470

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Fri 12/25

11:22 am-7:09 pm

1 stop9h 47m

Ontario

Mon 12/28

11:59 pm-10:42 am

1 stop8h 43m

$479

Quickest round-trip

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 1/13

8:40 am-12:40 pm

1 stop6h 00m

Ontario

Sun 1/17

7:00 am-4:59 pm

1 stop7h 59m

$509

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 11/19

4:43 pm-11:59 pm

1 stop9h 16m

Ontario

Mon 11/23

1:30 pm-12:04 am

2 stops8h 34m

$593

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Fri 12/25

11:22 am-7:09 pm

1 stop9h 47m

Ontario

Mon 12/28

9:35 am-12:15 am

2 stops12h 40m

$617

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 Peoria, Illinois to Ontario

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 Greater Peoria to Ontario?

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

When to book flights from Peoria, Illinois to Ontario

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

Estimated round-trip price

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

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

Best Price Found	$399
Fastest flight time	5h 54m
Direct flights	None

The best one-way flight to Ontario from Peoria, Illinois in the past 72 hours is $399. The best round-trip flight deal from Peoria, Illinois to Ontario found on momondo in the last 72 hours is $399.

The fastest flight from Peoria, Illinois to Ontario takes 5h 54m

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

Search flight deals

Frequently asked questions about flying from Peoria, Illinois to Ontario

How far is Greater Peoria to Ontario by plane?
Ontario is 1598.5 mi away from Greater Peoria. Typically, this will take 5h 54m by plane in normal conditions.
When did momondo last update prices for flights from Greater Peoria Airport to Ontario Airport?
Prices for flights from Greater Peoria Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Greater Peoria Airport to Ontario Airport?
As of November 2026, there are 2 operators available to choose from for flights from Greater Peoria Airport to Ontario Airport.
How old do you have to be to fly from Greater Peoria Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greater Peoria Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Peoria, Illinois to Ontario?
momondo data reveals that the most frequently booked airline on the route from Peoria, Illinois to Ontario is American Airlines, representing 50% of all bookings. The subsequent popular airline is United Airlines at 50%.

Best airlines flying from Peoria, Illinois to Ontario

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $388	Free Cancellation	Rating 7.0 12,225 reviews		Search American Airlines flights
United Airlines	PriceFrom $448	Free Cancellation	Rating 7.3 10,475 reviews		Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Peoria to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Peoria to Ontario flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Ontario from Peoria. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Ontario from Peoria are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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United Airlines flights from Peoria, Illinois to Ontario

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

American Airlines flights from Peoria, Illinois to Ontario

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

momondo Fare Finder

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

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

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When to book flights from Peoria, Illinois to Ontario

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Peoria, Illinois to Ontario

Best airlines flying from Peoria, Illinois to Ontario

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

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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