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Cheap flights from Peoria, Illinois to Los Angeles from $244

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 8/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:42 pm - 11:52 pmPIA  Greater Peoria-ONT Ontario
9h 10m1 stop Dallas/Fort Worth
American Airlines Logo
1:05 pm - 12:10 amONT  Ontario-PIA Greater Peoria
9h 05m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$364American Airlines
Tue, Oct 13 - Thu, Oct 29
American Airlines Logo
4:42 pm - 11:52 pmPIA  Greater Peoria-ONT Ontario
9h 10m1 stop Dallas/Fort Worth
American Airlines Logo
9:41 am - 11:23 pmONT  Ontario-PIA Greater Peoria
11h 42m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$394American Airlines
Wed, Oct 7 - Wed, Oct 14
American Airlines Logo
4:42 pm - 11:52 pmPIA  Greater Peoria-ONT Ontario
9h 10m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 3:53 pmONT  Ontario-PIA Greater Peoria
6h 53m1 stop Dallas/Fort Worth
$419American Airlines
Wed, Oct 7 - Tue, Oct 13
American Airlines Logo
4:42 pm - 11:52 pmPIA  Greater Peoria-ONT Ontario
9h 10m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:23 pmONT  Ontario-PIA Greater Peoria
7h 01m1 stop Dallas/Fort Worth
$419American Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
5:24 pm - 11:55 pmPIA  Greater Peoria-ONT Ontario
8h 31m1 stop Denver Intl
Multiple Airlines Logo
11:52 am - 8:04 pmONT  Ontario-PIA Greater Peoria
30h 12m2 stops Denver Intl Phoenix Sky Harbor Intl
$438Multiple Airlines
Thu, Oct 8 - Wed, Oct 14
Multiple Airlines Logo
3:19 pm - 6:16 pmPIA  Greater Peoria-ONT Ontario
28h 57m2 stops Phoenix-Mesa Gateway Dallas/Fort Worth
Multiple Airlines Logo
10:04 am - 12:12 pmONT  Ontario-PIA Greater Peoria
24h 08m1 stop Las Vegas Harry Reid Intl
$439Multiple Airlines
Tue, Oct 6 - Wed, Oct 14
Multiple Airlines Logo
5:24 pm - 11:55 pmPIA  Greater Peoria-ONT Ontario
8h 31m1 stop Denver Intl
Multiple Airlines Logo
2:28 pm - 11:59 amONT  Ontario-PIA Greater Peoria
19h 31m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
$440Multiple Airlines
Thu, Oct 8 - Fri, Oct 16
United Airlines Logo
8:15 am - 8:15 pmPIA  Greater Peoria-ONT Ontario
14h 00m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
1:29 pm - 9:06 pmONT  Ontario-PIA Greater Peoria
5h 37m1 stop Denver Intl
$525United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
3:35 pm - 10:35 pmPIA  Greater Peoria-ONT Ontario
9h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
1:18 pm - 8:50 pmONT  Ontario-PIA Greater Peoria
5h 32m1 stop Denver Intl
$529United Airlines
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
8:45 am - 12:50 pmPIA  Greater Peoria-ONT Ontario
6h 05m1 stop Denver Intl
United Airlines Logo
7:00 am - 3:00 pmONT  Ontario-PIA Greater Peoria
6h 00m1 stop Chicago O'Hare Intl
$529United Airlines
Tue, Aug 25 - Sat, Aug 29

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American Airlines flights from Peoria, Illinois to Ontario

Our best American Airlines deals on Peoria, Illinois to Ontario flight tickets
American Airlines
Oct 13
PIA4:42 pmGreater Peoria
9h 10m
1 stop
ONT11:52 pmOntario
Oct 29
ONT1:05 pmOntario
9h 05m
2 stops
PIA12:10 amGreater Peoria
$364
American Airlines
Oct 7
PIA4:42 pmGreater Peoria
9h 10m
1 stop
ONT11:52 pmOntario
Oct 14
ONT9:41 amOntario
11h 42m
2 stops
PIA11:23 pmGreater Peoria
$394
American Airlines
Oct 7
PIA4:42 pmGreater Peoria
9h 10m
1 stop
ONT11:52 pmOntario
Oct 14
ONT2:22 pmOntario
7h 01m
1 stop
PIA11:23 pmGreater Peoria
$419

United Airlines flights from Peoria, Illinois to Ontario

Our best United Airlines deals on Peoria, Illinois to Ontario flight tickets
United Airlines
Oct 27
PIA8:15 amGreater Peoria
14h 00m
2 stops
ONT8:15 pmOntario
Oct 31
ONT1:29 pmOntario
5h 37m
1 stop
PIA9:06 pmGreater Peoria
$525
United Airlines
Aug 25
PIA8:45 amGreater Peoria
6h 05m
1 stop
ONT12:50 pmOntario
Aug 29
ONT7:00 amOntario
6h 00m
1 stop
PIA3:00 pmGreater Peoria
$529
United Airlines
Oct 24
PIA8:45 amGreater Peoria
11h 01m
2 stops
ONT5:46 pmOntario
Oct 27
ONT6:00 amOntario
8h 47m
2 stops
PIA4:47 pmGreater Peoria
$530

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 August 13, 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

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Tue 10/13

4:42 pm-11:52 pm

1 stop9h 10m

Ontario

Thu 10/29

1:05 pm-12:10 am

2 stops9h 05m

$364

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 10/7

4:42 pm-11:52 pm

1 stop9h 10m

Ontario

Wed 10/14

9:41 am-11:23 pm

2 stops11h 42m

$394

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 10/7

4:42 pm-11:52 pm

1 stop9h 10m

Ontario

Tue 10/13

7:00 am-3:53 pm

1 stop6h 53m

$419

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Wed 10/7

4:42 pm-11:52 pm

1 stop9h 10m

Ontario

Wed 10/14

2:22 pm-11:23 pm

1 stop7h 01m

$419

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 10/8

5:24 pm-11:55 pm

1 stop8h 31m

Ontario

Wed 10/14

11:52 am-8:04 pm

2 stops30h 12m

$438

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Tue 10/6

3:19 pm-6:16 pm

2 stops28h 57m

Ontario

Wed 10/14

10:04 am-12:12 pm

1 stop24h 08m

$439

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 10/8

5:24 pm-11:55 pm

1 stop8h 31m

Ontario

Fri 10/16

2:28 pm-11:59 am

2 stops19h 31m

$440

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Tue 10/27

8:15 am-8:15 pm

2 stops14h 00m

Ontario

Sat 10/31

1:29 pm-9:06 pm

1 stop5h 37m

$525

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Thu 8/27

3:35 pm-10:35 pm

1 stop9h 00m

Ontario

Mon 8/31

1:18 pm-8:50 pm

1 stop5h 32m

$529
Quickest round-trip

PeoriaOntario

PIA Greater Peoria - ONT Ontario

PIAONT

Greater Peoria

Tue 8/25

8:45 am-12:50 pm

1 stop6h 05m

Ontario

Sat 8/29

7:00 am-3:00 pm

1 stop6h 00m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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, 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.

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 01m

Direct flights

None
The fastest flight from Peoria, Illinois to Ontario takes 6h 01m
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 01m 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
American AirlinesPriceFrom $378Free CancellationRating
7.1
11,911 reviews
Search American Airlines flights
United AirlinesPriceFrom $448Free CancellationRating
7.4
10,111 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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