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Cheap flights from Peoria, Illinois to Los Angeles from $309

This is the cheapest round-trip 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 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
American Airlines Logo
5:22 pm - 10:49 pm
PIA
-
ONT
7h 27m
1 stop
American Airlines Logo
11:58 pm - 10:39 am
ONT
-
PIA
8h 41m
1 stop
$309American Airlines
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
5:22 pm - 10:49 pm
PIA
-
ONT
7h 27m
1 stop
American Airlines Logo
11:58 pm - 10:39 am
ONT
-
PIA
8h 41m
1 stop
$334American Airlines
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
1:17 pm - 10:07 pm
PIA
-
ONT
10h 50m
2 stops
American Airlines Logo
11:58 pm - 10:39 am
ONT
-
PIA
8h 41m
1 stop
$339American Airlines
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
1:17 pm - 10:07 pm
PIA
-
ONT
10h 50m
2 stops
American Airlines Logo
7:59 pm - 12:47 pm
ONT
-
PIA
14h 48m
2 stops
$380American Airlines
Tue, Mar 10 - Wed, Mar 18
United Airlines Logo
5:25 pm - 10:51 pm
PIA
-
ONT
7h 26m
1 stop
United Airlines Logo
11:59 pm - 10:03 am
ONT
-
PIA
8h 04m
1 stop
$399United Airlines
Sat, Mar 7 - Tue, Mar 24
United Airlines Logo
5:30 pm - 10:26 pm
PIA
-
ONT
6h 56m
1 stop
United Airlines Logo
5:10 am - 6:53 pm
ONT
-
PIA
11h 43m
2 stops
$404United Airlines
Sat, Apr 18 - Wed, Apr 29
United Airlines Logo
10:40 am - 10:45 pm
PIA
-
ONT
14h 05m
2 stops
United Airlines Logo
6:49 pm - 10:02 am
ONT
-
PIA
13h 13m
2 stops
$409United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
5:25 pm - 10:51 pm
PIA
-
ONT
7h 26m
1 stop
United Airlines Logo
11:59 pm - 10:03 am
ONT
-
PIA
8h 04m
1 stop
$424United Airlines
Sat, Mar 7 - Tue, Mar 24
United Airlines Logo
8:20 am - 5:28 pm
PIA
-
ONT
11h 08m
2 stops
United Airlines Logo
6:30 am - 4:58 pm
ONT
-
PIA
8h 28m
1 stop
$429United Airlines
Tue, May 26 - Tue, Jun 2
United Airlines Logo
10:40 am - 8:50 pm
PIA
-
ONT
12h 10m
2 stops
United Airlines Logo
6:37 pm - 10:03 am
ONT
-
PIA
13h 26m
2 stops
$434United Airlines
Tue, Mar 17 - Tue, Mar 24

United Airlines flights from Peoria, Illinois to Ontario

Our best United Airlines deals on Peoria, Illinois to Ontario flight tickets
United Airlines
Mar 7
PIA5:25 pmGreater Peoria
7h 26m
1 stop
ONT10:51 pmOntario
Mar 24
ONT11:59 pmOntario
8h 04m
1 stop
PIA10:03 amGreater Peoria
$399
United Airlines
Apr 18
PIA5:30 pmGreater Peoria
6h 56m
1 stop
ONT10:26 pmOntario
Apr 29
ONT5:10 amOntario
11h 43m
2 stops
PIA6:53 pmGreater Peoria
$404
United Airlines
Apr 15
PIA10:40 amGreater Peoria
14h 05m
2 stops
ONT10:45 pmOntario
Apr 22
ONT6:49 pmOntario
13h 13m
2 stops
PIA10:02 amGreater Peoria
$409

American Airlines flights from Peoria, Illinois to Ontario

Our best American Airlines deals on Peoria, Illinois to Ontario flight tickets
American Airlines
Mar 17
PIA5:22 pmGreater Peoria
7h 27m
1 stop
ONT10:49 pmOntario
Mar 24
ONT11:58 pmOntario
8h 41m
1 stop
PIA10:39 amGreater Peoria
$309
American Airlines
Mar 10
PIA5:22 pmGreater Peoria
7h 27m
1 stop
ONT10:49 pmOntario
Mar 18
ONT11:58 pmOntario
8h 41m
1 stop
PIA10:39 amGreater Peoria
$334
American Airlines
Mar 10
PIA1:17 pmGreater Peoria
10h 50m
2 stops
ONT10:07 pmOntario
Mar 18
ONT11:58 pmOntario
8h 41m
1 stop
PIA10:39 amGreater Peoria
$339

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 February 16, 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

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 3/17

5:22 pm-10:49 pm

1 stop7h 27m

Ontario

Tue 3/24

11:58 pm-10:39 am

1 stop8h 41m

$309

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 3/10

5:22 pm-10:49 pm

1 stop7h 27m

Ontario

Wed 3/18

11:58 pm-10:39 am

1 stop8h 41m

$334

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 3/10

1:17 pm-10:07 pm

2 stops10h 50m

Ontario

Wed 3/18

11:58 pm-10:39 am

1 stop8h 41m

$339

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 3/10

1:17 pm-10:07 pm

2 stops10h 50m

Ontario

Wed 3/18

7:59 pm-12:47 pm

2 stops14h 48m

$380

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 3/7

5:25 pm-10:51 pm

1 stop7h 26m

Ontario

Tue 3/24

11:59 pm-10:03 am

1 stop8h 04m

$399

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 4/18

5:30 pm-10:26 pm

1 stop6h 56m

Ontario

Wed 4/29

5:10 am-6:53 pm

2 stops11h 43m

$404

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Wed 4/15

10:40 am-10:45 pm

2 stops14h 05m

Ontario

Wed 4/22

6:49 pm-10:02 am

2 stops13h 13m

$409

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Sat 3/7

5:25 pm-10:51 pm

1 stop7h 26m

Ontario

Tue 3/24

11:59 pm-10:03 am

1 stop8h 04m

$424

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 5/26

8:20 am-5:28 pm

2 stops11h 08m

Ontario

Tue 6/2

6:30 am-4:58 pm

1 stop8h 28m

$429

PeoriaOntario

PIA - ONT

PIAONT

Greater Peoria

Tue 3/17

10:40 am-8:50 pm

2 stops12h 10m

Ontario

Tue 3/24

6:37 pm-10:03 am

2 stops13h 26m

$434

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

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 53m

Direct flights

None
The fastest flight from Peoria, Illinois to Ontario takes 6h 53m
There are no direct flights from Peoria, Illinois to Ontario. There are no popular flight routes from Peoria, Illinois to Ontario.
Search flight deals

  • How far is Greater Peoria to Ontario by plane?

    Ontario is 1598.5 mi away from Greater Peoria. Typically, this will take 6h 53m 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
9,308 reviews
Search United Airlines flights
American AirlinesPriceFrom $388Free CancellationRating
7.2
11,294 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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