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Cheap flights from Peoria, Illinois to Los Angeles from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Los Angeles departing on 6/12. 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 Peoria, Illinois to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:35 pm - 10:35 pm
PIA
-
ONT
9h 00m
1 stop
United Airlines Logo
7:00 am - 3:00 pm
ONT
-
PIA
6h 00m
1 stop
$449United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
3:35 pm - 10:35 pm
PIA
-
ONT
9h 00m
1 stop
United Airlines Logo
7:13 pm - 10:06 am
ONT
-
PIA
12h 53m
2 stops
$454United Airlines
Sat, Aug 22 - Sun, Aug 30
United Airlines Logo
1:13 pm - 8:53 pm
PIA
-
ONT
9h 40m
2 stops
United Airlines Logo
7:13 pm - 10:06 am
ONT
-
PIA
12h 53m
2 stops
$459United Airlines
Sat, Aug 22 - Sun, Aug 30
American Airlines Logo
4:47 pm - 11:59 pm
PIA
-
ONT
9h 12m
1 stop
American Airlines Logo
7:14 pm - 9:17 am
ONT
-
PIA
12h 03m
2 stops
$498American Airlines
Wed, Jul 1 - Fri, Jul 17
American Airlines Logo
4:47 pm - 11:59 pm
PIA
-
ONT
9h 12m
1 stop
American Airlines Logo
2:15 pm - 11:40 pm
ONT
-
PIA
7h 25m
1 stop
$503American Airlines
Wed, Jul 1 - Fri, Jul 17
United Airlines Logo
1:13 pm - 8:53 pm
PIA
-
ONT
9h 40m
2 stops
United Airlines Logo
1:18 pm - 12:36 pm
ONT
-
PIA
21h 18m
2 stops
$516United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
10:41 am - 8:01 pm
PIA
-
ONT
11h 20m
2 stops
United Airlines Logo
1:18 pm - 8:50 pm
ONT
-
PIA
5h 32m
1 stop
$520United Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
5:43 pm - 10:51 pm
PIA
-
ONT
7h 08m
1 stop
United Airlines Logo
5:00 am - 8:50 pm
ONT
-
PIA
13h 50m
1 stop
$522United Airlines
Fri, Aug 7 - Tue, Aug 11
United Airlines Logo
8:29 am - 6:12 pm
PIA
-
ONT
11h 43m
2 stops
United Airlines Logo
9:15 am - 8:59 pm
ONT
-
PIA
9h 44m
2 stops
$525United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
10:41 am - 8:01 pm
PIA
-
ONT
11h 20m
2 stops
United Airlines Logo
5:00 am - 10:43 pm
ONT
-
PIA
15h 43m
2 stops
$532United Airlines
Sat, Aug 22 - Sat, Aug 29

United Airlines flights from Peoria, Illinois to Ontario

Our best United Airlines deals on Peoria, Illinois to Ontario flight tickets
United Airlines
Aug 22
PIA3:35 pmGreater Peoria
9h 00m
1 stop
ONT10:35 pmOntario
Aug 25
ONT7:00 amOntario
6h 00m
1 stop
PIA3:00 pmGreater Peoria
$449
United Airlines
Aug 22
PIA3:35 pmGreater Peoria
9h 00m
1 stop
ONT10:35 pmOntario
Aug 30
ONT7:13 pmOntario
12h 53m
2 stops
PIA10:06 amGreater Peoria
$454
United Airlines
Aug 22
PIA1:13 pmGreater Peoria
9h 40m
2 stops
ONT8:53 pmOntario
Aug 30
ONT7:13 pmOntario
12h 53m
2 stops
PIA10:06 amGreater Peoria
$459

American Airlines flights from Peoria, Illinois to Ontario

Our best American Airlines deals on Peoria, Illinois to Ontario flight tickets
American Airlines
Jul 1
PIA4:47 pmGreater Peoria
9h 12m
1 stop
ONT11:59 pmOntario
Jul 17
ONT7:14 pmOntario
12h 03m
2 stops
PIA9:17 amGreater Peoria
$498
American Airlines
Jul 1
PIA4:47 pmGreater Peoria
9h 12m
1 stop
ONT11:59 pmOntario
Jul 17
ONT2:15 pmOntario
7h 25m
1 stop
PIA11:40 pmGreater Peoria
$503
American Airlines
Jul 1
PIA6:13 amGreater Peoria
14h 08m
2 stops
ONT6:21 pmOntario
Jul 17
ONT7:14 pmOntario
12h 03m
2 stops
PIA9:17 amGreater Peoria
$595

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois to Ontario 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 24, 2026.
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
Quickest round-trip

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/22

3:35 pm-10:35 pm

1 stop9h 00m

Ontario

Tue 8/25

7:00 am-3:00 pm

1 stop6h 00m

$449

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/22

3:35 pm-10:35 pm

1 stop9h 00m

Ontario

Sun 8/30

7:13 pm-10:06 am

2 stops12h 53m

$454

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/22

1:13 pm-8:53 pm

2 stops9h 40m

Ontario

Sun 8/30

7:13 pm-10:06 am

2 stops12h 53m

$459

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Wed 7/1

4:47 pm-11:59 pm

1 stop9h 12m

Ontario

Fri 7/17

7:14 pm-9:17 am

2 stops12h 03m

$498

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Wed 7/1

4:47 pm-11:59 pm

1 stop9h 12m

Ontario

Fri 7/17

2:15 pm-11:40 pm

1 stop7h 25m

$503

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/22

1:13 pm-8:53 pm

2 stops9h 40m

Ontario

Tue 8/25

1:18 pm-12:36 pm

2 stops21h 18m

$516

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/22

10:41 am-8:01 pm

2 stops11h 20m

Ontario

Sat 8/29

1:18 pm-8:50 pm

1 stop5h 32m

$520

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Fri 8/7

5:43 pm-10:51 pm

1 stop7h 08m

Ontario

Tue 8/11

5:00 am-8:50 pm

1 stop13h 50m

$522

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/29

8:29 am-6:12 pm

2 stops11h 43m

Ontario

Tue 9/1

9:15 am-8:59 pm

2 stops9h 44m

$525

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 8/22

10:41 am-8:01 pm

2 stops11h 20m

Ontario

Sat 8/29

5:00 am-10:43 pm

2 stops15h 43m

$532

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Peoria, Illinois and Ontario?

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Peoria, Illinois to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of February, then book flights to Ontario from Peoria, Illinois during January instead. Flights to Ontario in January, while not as cheap as those in February, still average around $0.

Can stopping save me money on Peoria, Illinois to Ontario flights?

You could potentially save up to 28% on your flight if you consider stops on a Peoria, Illinois to Ontario flight.

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

Fastest flight time

6h 02m

Direct flights

None
The fastest flight from Peoria, Illinois to Ontario takes 6h 02m
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 6h 02m 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?

  • 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?

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
United AirlinesPriceFrom $378Free CancellationRating
7.4
9,749 reviews
Search United Airlines flights
American AirlinesPriceFrom $378Free CancellationRating
7.1
11,631 reviews
Search American 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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