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Cheap flights from Champaign to Los Angeles from $438

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to Los Angeles departing on 9/8. 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 Champaign to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:41 am - 6:15 pm
CMI
-
ONT
8h 34m
2 stops
American Airlines Logo
12:33 pm - 10:00 pm
ONT
-
CMI
7h 27m
1 stop
$496American Airlines
Tue, Aug 11 - Sat, Aug 15
American Airlines Logo
2:47 pm - 6:47 pm
CMI
-
ONT
6h 00m
1 stop
American Airlines Logo
12:33 pm - 10:00 pm
ONT
-
CMI
7h 27m
1 stop
$515American Airlines
Tue, Aug 11 - Sat, Aug 15
American Airlines Logo
2:47 pm - 6:47 pm
CMI
-
ONT
6h 00m
1 stop
American Airlines Logo
6:00 am - 2:15 pm
ONT
-
CMI
6h 15m
1 stop
$538American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
7:00 am - 3:19 pm
CMI
-
ONT
10h 19m
2 stops
American Airlines Logo
6:00 am - 2:15 pm
ONT
-
CMI
6h 15m
1 stop
$544American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
7:00 am - 3:19 pm
CMI
-
ONT
10h 19m
2 stops
American Airlines Logo
6:15 am - 8:28 pm
ONT
-
CMI
12h 13m
2 stops
$549American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
2:47 pm - 6:47 pm
CMI
-
ONT
6h 00m
1 stop
American Airlines Logo
12:33 pm - 10:00 pm
ONT
-
CMI
7h 27m
1 stop
$630American Airlines
Thu, Aug 13 - Mon, Aug 17
American Airlines Logo
11:41 am - 6:15 pm
CMI
-
ONT
8h 34m
2 stops
American Airlines Logo
6:00 am - 2:15 pm
ONT
-
CMI
6h 15m
1 stop
$636American Airlines
Thu, Aug 13 - Mon, Aug 17
American Airlines Logo
11:41 am - 6:15 pm
CMI
-
ONT
8h 34m
2 stops
American Airlines Logo
6:15 am - 10:00 pm
ONT
-
CMI
13h 45m
2 stops
$680American Airlines
Tue, Aug 11 - Sat, Aug 15
American Airlines Logo
11:41 am - 6:15 pm
CMI
-
ONT
8h 34m
2 stops
American Airlines Logo
6:15 am - 10:00 pm
ONT
-
CMI
13h 45m
2 stops
$807American Airlines
Thu, Aug 13 - Mon, Aug 17

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American Airlines flights from Champaign to Ontario

Our best American Airlines deals on Champaign to Ontario flight tickets
American Airlines
Aug 11
CMI11:41 amChampaign University-Willard
8h 34m
2 stops
ONT6:15 pmOntario
Aug 15
ONT12:33 pmOntario
7h 27m
1 stop
CMI10:00 pmChampaign University-Willard
$496
American Airlines
Aug 11
CMI2:47 pmChampaign University-Willard
6h 00m
1 stop
ONT6:47 pmOntario
Aug 15
ONT12:33 pmOntario
7h 27m
1 stop
CMI10:00 pmChampaign University-Willard
$515
American Airlines
Aug 27
CMI2:47 pmChampaign University-Willard
6h 00m
1 stop
ONT6:47 pmOntario
Aug 31
ONT6:00 amOntario
6h 15m
1 stop
CMI2:15 pmChampaign University-Willard
$538

momondo Fare Finder

 
Customize your flight search to find flights from Champaign 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 1, 2026.
Use the filters below to find and compare flights from Champaign to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 8/11

11:41 am-6:15 pm

2 stops8h 34m

Ontario

Sat 8/15

12:33 pm-10:00 pm

1 stop7h 27m

$496

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 8/11

2:47 pm-6:47 pm

1 stop6h 00m

Ontario

Sat 8/15

12:33 pm-10:00 pm

1 stop7h 27m

$515
Quickest round-trip

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Thu 8/27

2:47 pm-6:47 pm

1 stop6h 00m

Ontario

Mon 8/31

6:00 am-2:15 pm

1 stop6h 15m

$538

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Thu 8/27

7:00 am-3:19 pm

2 stops10h 19m

Ontario

Mon 8/31

6:00 am-2:15 pm

1 stop6h 15m

$544

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Thu 8/27

7:00 am-3:19 pm

2 stops10h 19m

Ontario

Mon 8/31

6:15 am-8:28 pm

2 stops12h 13m

$549

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Thu 8/13

2:47 pm-6:47 pm

1 stop6h 00m

Ontario

Mon 8/17

12:33 pm-10:00 pm

1 stop7h 27m

$630

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Thu 8/13

11:41 am-6:15 pm

2 stops8h 34m

Ontario

Mon 8/17

6:00 am-2:15 pm

1 stop6h 15m

$636

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 8/11

11:41 am-6:15 pm

2 stops8h 34m

Ontario

Sat 8/15

6:15 am-10:00 pm

2 stops13h 45m

$680

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Thu 8/13

11:41 am-6:15 pm

2 stops8h 34m

Ontario

Mon 8/17

6:15 am-10:00 pm

2 stops13h 45m

$807
Cheapest one-way
Quickest one-way

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 9/8

2:47 pm-6:47 pm

1 stop6h 00m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Champaign 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 Champaign University-Willard to Ontario?

American Airlines is the most popular carrier operating from Champaign University-Willard to Ontario

When to book flights from Champaign to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Champaign to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Champaign to Ontario (CMI to ONT) flight deals and tips

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

Fastest flight time

6h 00m

Direct flights

None
The fastest flight from Champaign to Ontario takes 6h 00m
There are no direct flights from Champaign to Ontario. There are no popular flight routes from Champaign to Ontario.
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Frequently asked questions about flying from Champaign to Ontario

  • How far is Champaign University-Willard to Ontario by plane?

    A flight from Champaign University-Willard to Ontario will travel around 1664.9 mi. Flights usually cover this in 6h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Champaign University-Willard Airport to Ontario Airport?

    Prices for flights from Champaign University-Willard Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Champaign University-Willard Airport to Ontario Airport?

  • How old do you have to be to fly from Champaign University-Willard Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Champaign University-Willard 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 Champaign to Ontario?

Best airlines flying from Champaign to Ontario

Compare and see reviews for airlines that fly from Champaign to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $474Free CancellationRating
7.1
11,845 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Champaign to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

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

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

Once all potential Champaign to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ontario from Champaign. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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