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Cheap flights from Champaign to Los Angeles from $464

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign 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
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.
United Airlines Logo
1:32 pm - 6:19 pm
CMI
-
ONT
6h 47m
1 stop
United Airlines Logo
1:18 pm - 12:05 am
ONT
-
CMI
8h 47m
2 stops
$464United Airlines
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
1:32 pm - 10:58 pm
CMI
-
ONT
11h 26m
2 stops
United Airlines Logo
7:13 pm - 8:54 am
ONT
-
CMI
11h 41m
2 stops
$469United Airlines
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
1:32 pm - 6:19 pm
CMI
-
ONT
6h 47m
1 stop
United Airlines Logo
1:18 pm - 12:05 am
ONT
-
CMI
8h 47m
2 stops
$500United Airlines
Fri, Aug 21 - Wed, Aug 26
United Airlines Logo
1:32 pm - 9:59 pm
CMI
-
ONT
10h 27m
2 stops
United Airlines Logo
5:45 am - 5:28 pm
ONT
-
CMI
9h 43m
2 stops
$505United Airlines
Fri, Aug 21 - Wed, Aug 26
American Airlines Logo
3:09 pm - 10:36 pm
CMI
-
ONT
9h 27m
1 stop
American Airlines Logo
7:35 pm - 1:47 pm
ONT
-
CMI
16h 12m
2 stops
$715American Airlines
Mon, May 4 - Fri, May 8
American Airlines Logo
3:09 pm - 9:59 pm
CMI
-
ONT
8h 50m
2 stops
American Airlines Logo
7:35 pm - 1:47 pm
ONT
-
CMI
16h 12m
2 stops
$720American Airlines
Mon, May 4 - Fri, May 8
American Airlines Logo
3:09 pm - 10:36 pm
CMI
-
ONT
9h 27m
1 stop
American Airlines Logo
6:00 am - 2:31 pm
ONT
-
CMI
6h 31m
1 stop
$916American Airlines
Mon, May 4 - Fri, May 8
United Airlines Logo
5:45 am - 6:19 pm
CMI
-
ONT
14h 34m
1 stop
United Airlines Logo
7:00 am - 5:28 pm
ONT
-
CMI
8h 28m
1 stop
$1,183United Airlines
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
1:32 pm - 6:19 pm
CMI
-
ONT
6h 47m
1 stop
United Airlines Logo
7:00 am - 12:05 am
ONT
-
CMI
15h 05m
1 stop
$1,281United Airlines
Fri, Aug 21 - Wed, Aug 26

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American Airlines flights from Champaign to Ontario

Our best American Airlines deals on Champaign to Ontario flight tickets
American Airlines
Apr 28
CMI7:00 amChampaign University-Willard
8h 18m
1 stop
ONT1:18 pmOntario
May 3
ONT6:00 amOntario
6h 39m
1 stop
CMI2:39 pmChampaign University-Willard
$540
American Airlines
Apr 28
CMI7:00 amChampaign University-Willard
11h 22m
2 stops
ONT4:22 pmOntario
May 3
ONT6:00 amOntario
6h 39m
1 stop
CMI2:39 pmChampaign University-Willard
$546
American Airlines
Apr 28
CMI7:00 amChampaign University-Willard
8h 18m
1 stop
ONT1:18 pmOntario
May 3
ONT6:00 amOntario
6h 39m
1 stop
CMI2:39 pmChampaign University-Willard
$565

United Airlines flights from Champaign to Ontario

Our best United Airlines deals on Champaign to Ontario flight tickets
United Airlines
Aug 21
CMI1:32 pmChampaign University-Willard
6h 47m
1 stop
ONT6:19 pmOntario
Aug 25
ONT1:18 pmOntario
8h 47m
2 stops
CMI12:05 amChampaign University-Willard
$464
United Airlines
Aug 21
CMI1:32 pmChampaign University-Willard
11h 26m
2 stops
ONT10:58 pmOntario
Aug 25
ONT7:13 pmOntario
11h 41m
2 stops
CMI8:54 amChampaign University-Willard
$469
United Airlines
Aug 21
CMI1:32 pmChampaign University-Willard
6h 47m
1 stop
ONT6:19 pmOntario
Aug 26
ONT1:18 pmOntario
8h 47m
2 stops
CMI12:05 amChampaign University-Willard
$500

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 April 23, 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
Quickest round-trip

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 8/21

1:32 pm-6:19 pm

1 stop6h 47m

Ontario

Tue 8/25

1:18 pm-12:05 am

2 stops8h 47m

$464

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 8/21

1:32 pm-10:58 pm

2 stops11h 26m

Ontario

Tue 8/25

7:13 pm-8:54 am

2 stops11h 41m

$469

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 8/21

1:32 pm-6:19 pm

1 stop6h 47m

Ontario

Wed 8/26

1:18 pm-12:05 am

2 stops8h 47m

$500

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 8/21

1:32 pm-9:59 pm

2 stops10h 27m

Ontario

Wed 8/26

5:45 am-5:28 pm

2 stops9h 43m

$505

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Mon 5/4

3:09 pm-10:36 pm

1 stop9h 27m

Ontario

Fri 5/8

7:35 pm-1:47 pm

2 stops16h 12m

$715

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Mon 5/4

3:09 pm-9:59 pm

2 stops8h 50m

Ontario

Fri 5/8

7:35 pm-1:47 pm

2 stops16h 12m

$720

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Mon 5/4

3:09 pm-10:36 pm

1 stop9h 27m

Ontario

Fri 5/8

6:00 am-2:31 pm

1 stop6h 31m

$916

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 8/21

5:45 am-6:19 pm

1 stop14h 34m

Ontario

Tue 8/25

7:00 am-5:28 pm

1 stop8h 28m

$1,183

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 8/21

1:32 pm-6:19 pm

1 stop6h 47m

Ontario

Wed 8/26

7:00 am-12:05 am

1 stop15h 05m

$1,281
Cheapest one-way

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 5/15

2:17 pm-9:59 pm

2 stops9h 42m

$464

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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2

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 47m

Direct flights

None
The fastest flight from Champaign to Ontario takes 6h 47m
There are no direct flights from Champaign to Ontario. There are no popular flight routes from Champaign to Ontario.
Search flight deals

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 47m, 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 $458Free CancellationRating
7.1
11,659 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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