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Cheap flights from Peoria, Illinois to Los Angeles from $133

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:35 am - 12:48 pmPIA-ONT
6h 13m1 stop
United Airlines Logo
1:24 pm - 8:47 pmONT-PIA
5h 23m1 stop
$379United Airlines
Find Deal
Fri, Jan 9 - Wed, Jan 14
United Airlines Logo
8:35 am - 12:48 pmPIA-ONT
6h 13m1 stop
United Airlines Logo
5:05 am - 4:43 pmONT-PIA
9h 38m2 stops
$384United Airlines
Find Deal
Fri, Jan 9 - Wed, Jan 14
United Airlines Logo
10:45 am - 8:58 pmPIA-ONT
12h 13m2 stops
United Airlines Logo
6:00 am - 4:43 pmONT-PIA
8h 43m2 stops
$389United Airlines
Find Deal
Fri, Jan 9 - Wed, Jan 14
United Airlines Logo
1:24 pm - 9:58 pmPIA-ONT
10h 34m2 stops
United Airlines Logo
6:39 pm - 12:38 pmONT-PIA
15h 59m3 stops
$394United Airlines
Find Deal
Wed, Jan 7 - Thu, Jan 15
United Airlines Logo
9:00 am - 12:43 pmPIA-ONT
5h 43m1 stop
United Airlines Logo
1:45 pm - 9:12 pmONT-PIA
5h 27m1 stop
$414United Airlines
Find Deal
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
8:35 am - 12:47 pmPIA-ONT
6h 12m1 stop
United Airlines Logo
6:39 pm - 10:10 amONT-PIA
13h 31m2 stops
$419United Airlines
Find Deal
Tue, Jan 6 - Fri, Jan 16
United Airlines Logo
1:20 pm - 9:08 pmPIA-ONT
9h 48m2 stops
United Airlines Logo
6:39 pm - 10:10 amONT-PIA
13h 31m2 stops
$424United Airlines
Find Deal
Mon, Jan 5 - Fri, Jan 16
United Airlines Logo
10:45 am - 8:58 pmPIA-ONT
12h 13m2 stops
United Airlines Logo
6:39 pm - 12:38 pmONT-PIA
15h 59m3 stops
$429United Airlines
Find Deal
Tue, Jan 6 - Thu, Jan 15
American Airlines Logo
10:00 am - 7:07 pmPIA-ONT
11h 07m2 stops
American Airlines Logo
6:00 am - 3:50 pmONT-PIA
7h 50m1 stop
$464American Airlines
Find Deal
Sun, Jan 4 - Sat, Jan 17
American Airlines Logo
10:00 am - 7:07 pmPIA-ONT
11h 07m2 stops
American Airlines Logo
6:22 am - 11:24 pmONT-PIA
15h 02m2 stops
$469American Airlines
Find Deal
Sun, Jan 4 - Wed, Jan 14

United Airlines flights from Peoria, Illinois to Ontario

Our best United Airlines deals on Peoria, Illinois to Ontario flight tickets
United Airlines
Jan 9
PIA8:35 amGreater Peoria
6h 13m
1 stop
ONT12:48 pmOntario
Jan 14
ONT1:24 pmOntario
5h 23m
1 stop
PIA8:47 pmGreater Peoria
$379
Find similar
United Airlines
Jan 9
PIA8:35 amGreater Peoria
6h 13m
1 stop
ONT12:48 pmOntario
Jan 14
ONT5:05 amOntario
9h 38m
2 stops
PIA4:43 pmGreater Peoria
$384
Find similar
United Airlines
Jan 9
PIA10:45 amGreater Peoria
12h 13m
2 stops
ONT8:58 pmOntario
Jan 14
ONT6:00 amOntario
8h 43m
2 stops
PIA4:43 pmGreater Peoria
$389
Find similar

American Airlines flights from Peoria, Illinois to Ontario

Our best American Airlines deals on Peoria, Illinois to Ontario flight tickets
American Airlines
Jan 4
PIA10:00 amGreater Peoria
11h 07m
2 stops
ONT7:07 pmOntario
Jan 17
ONT6:00 amOntario
7h 50m
1 stop
PIA3:50 pmGreater Peoria
$464
Find similar
American Airlines
Jan 4
PIA10:00 amGreater Peoria
11h 07m
2 stops
ONT7:07 pmOntario
Jan 14
ONT6:22 amOntario
15h 02m
2 stops
PIA11:24 pmGreater Peoria
$469
Find similar
American Airlines
Jan 4
PIA4:20 pmGreater Peoria
9h 26m
1 stop
ONT11:46 pmOntario
Jan 18
ONT11:59 pmOntario
8h 40m
1 stop
PIA10:39 amGreater Peoria
$533
Find similar

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 November 4, 2025.
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

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Fri 1/9

8:35 am-12:48 pm

1 stop6h 13m

Ontario

Wed 1/14

1:24 pm-8:47 pm

1 stop5h 23m

$379

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Fri 1/9

8:35 am-12:48 pm

1 stop6h 13m

Ontario

Wed 1/14

5:05 am-4:43 pm

2 stops9h 38m

$384

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Fri 1/9

10:45 am-8:58 pm

2 stops12h 13m

Ontario

Wed 1/14

6:00 am-4:43 pm

2 stops8h 43m

$389

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Wed 1/7

1:24 pm-9:58 pm

2 stops10h 34m

Ontario

Thu 1/15

6:39 pm-12:38 pm

3 stops15h 59m

$394

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 2/28

9:00 am-12:43 pm

1 stop5h 43m

Ontario

Wed 3/4

1:45 pm-9:12 pm

1 stop5h 27m

$414

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 1/6

8:35 am-12:47 pm

1 stop6h 12m

Ontario

Fri 1/16

6:39 pm-10:10 am

2 stops13h 31m

$419

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Mon 1/5

1:20 pm-9:08 pm

2 stops9h 48m

Ontario

Fri 1/16

6:39 pm-10:10 am

2 stops13h 31m

$424

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 1/6

10:45 am-8:58 pm

2 stops12h 13m

Ontario

Thu 1/15

6:39 pm-12:38 pm

3 stops15h 59m

$429

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sun 1/4

10:00 am-7:07 pm

2 stops11h 07m

Ontario

Sat 1/17

6:00 am-3:50 pm

1 stop7h 50m

$464

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sun 1/4

10:00 am-7:07 pm

2 stops11h 07m

Ontario

Wed 1/14

6:22 am-11:24 pm

2 stops15h 02m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest month to fly to Ontario?

In general, May 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 $354. If you aren’t able to travel during the month of May, then book flights to Ontario from Peoria, Illinois during July instead. Flights to Ontario in July, while not as cheap as those in May, still average around $378.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $553. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Peoria, Illinois to Ontario for around $642.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Peoria, Illinois to Ontario when you can find flight prices for as low as $447. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $713 on average. Flights to Ontario from Peoria, Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 15% 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

Direct flights

None
There are no direct flights from Peoria, Illinois to Ontario. There are no popular flight routes from Peoria, Illinois to Ontario.
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  • How far is Greater Peoria to Ontario by plane?

    Ontario is 1598.5 mi away from Greater Peoria. Typically, this will take 5h 43m 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 $288Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
American AirlinesPriceFrom $418Free CancellationRating
7.2
11,038 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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