Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Champaign to Los Angeles from $524

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 2/10. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
7:03 am - 2:18 pm
CMI
-
ONT
9h 15m1 stop
American Airlines Logo
10:59 am - 8:54 pm
ONT
-
CMI
7h 55m1 stop
$524American Airlines
Tue, Feb 10 - Sat, Feb 14
American Airlines Logo
3:45 pm - 10:48 pm
CMI
-
ONT
9h 03m1 stop
American Airlines Logo
9:53 am - 8:54 pm
ONT
-
CMI
9h 01m2 stops
$530American Airlines
Tue, Feb 10 - Sat, Feb 14
American Airlines Logo
7:03 am - 4:05 pm
CMI
-
ONT
11h 02m2 stops
American Airlines Logo
9:53 am - 9:34 pm
ONT
-
CMI
9h 41m2 stops
$535American Airlines
Tue, Feb 10 - Sat, Feb 14
American Airlines Logo
6:52 am - 1:52 pm
CMI
-
ONT
9h 00m1 stop
American Airlines Logo
12:45 pm - 8:37 pm
ONT
-
CMI
5h 52m1 stop
$762American Airlines
Wed, Dec 24 - Sun, Dec 28
American Airlines Logo
6:52 am - 11:53 am
CMI
-
ONT
7h 01m1 stop
American Airlines Logo
9:53 am - 9:30 pm
ONT
-
CMI
9h 37m2 stops
$805American Airlines
Wed, Dec 24 - Sun, Dec 28
American Airlines Logo
6:37 am - 10:14 pm
CMI
-
ONT
17h 37m1 stop
American Airlines Logo
11:59 pm - 8:37 pm
ONT
-
CMI
18h 38m1 stop
$822American Airlines
Tue, Dec 30 - Sun, Jan 4
American Airlines Logo
6:37 am - 9:52 pm
CMI
-
ONT
17h 15m2 stops
American Airlines Logo
11:59 pm - 8:37 pm
ONT
-
CMI
18h 38m1 stop
$827American Airlines
Tue, Dec 30 - Sun, Jan 4
American Airlines Logo
2:57 pm - 11:53 am
CMI
-
ONT
22h 56m2 stops
American Airlines Logo
7:10 am - 9:30 pm
ONT
-
CMI
12h 20m2 stops
$834American Airlines
Wed, Dec 24 - Sun, Dec 28
American Airlines Logo
6:37 am - 6:16 pm
CMI
-
ONT
13h 39m1 stop
American Airlines Logo
11:59 pm - 8:37 pm
ONT
-
CMI
18h 38m1 stop
$839American Airlines
Tue, Dec 30 - Sun, Jan 4
American Airlines Logo
6:37 am - 4:07 pm
CMI
-
ONT
11h 30m2 stops
American Airlines Logo
10:50 am - 8:37 pm
ONT
-
CMI
7h 47m1 stop
$855American Airlines
Tue, Dec 30 - Sun, Jan 4

American Airlines flights from Champaign to Ontario

Our best American Airlines deals on Champaign to Ontario flight tickets
American Airlines
Feb 10
CMI7:03 amChampaign University-Willard
9h 15m
1 stop
ONT2:18 pmOntario
Feb 14
ONT10:59 amOntario
7h 55m
1 stop
CMI8:54 pmChampaign University-Willard
$524
Find similar
American Airlines
Feb 10
CMI3:45 pmChampaign University-Willard
9h 03m
1 stop
ONT10:48 pmOntario
Feb 14
ONT9:53 amOntario
9h 01m
2 stops
CMI8:54 pmChampaign University-Willard
$530
Find similar
American Airlines
Feb 10
CMI7:03 amChampaign University-Willard
11h 02m
2 stops
ONT4:05 pmOntario
Feb 14
ONT9:53 amOntario
9h 41m
2 stops
CMI9:34 pmChampaign University-Willard
$535
Find similar

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 December 4, 2025.
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

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 2/10

7:03 am-2:18 pm

1 stop9h 15m

Ontario

Sat 2/14

10:59 am-8:54 pm

1 stop7h 55m

$524

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 2/10

3:45 pm-10:48 pm

1 stop9h 03m

Ontario

Sat 2/14

9:53 am-8:54 pm

2 stops9h 01m

$530

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 2/10

7:03 am-4:05 pm

2 stops11h 02m

Ontario

Sat 2/14

9:53 am-9:34 pm

2 stops9h 41m

$535

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Wed 12/24

6:52 am-1:52 pm

1 stop9h 00m

Ontario

Sun 12/28

12:45 pm-8:37 pm

1 stop5h 52m

$762

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Wed 12/24

6:52 am-11:53 am

1 stop7h 01m

Ontario

Sun 12/28

9:53 am-9:30 pm

2 stops9h 37m

$805

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 12/30

6:37 am-10:14 pm

1 stop17h 37m

Ontario

Sun 1/4

11:59 pm-8:37 pm

1 stop18h 38m

$822

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 12/30

6:37 am-9:52 pm

2 stops17h 15m

Ontario

Sun 1/4

11:59 pm-8:37 pm

1 stop18h 38m

$827

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Wed 12/24

2:57 pm-11:53 am

2 stops22h 56m

Ontario

Sun 12/28

7:10 am-9:30 pm

2 stops12h 20m

$834

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 12/30

6:37 am-6:16 pm

1 stop13h 39m

Ontario

Sun 1/4

11:59 pm-8:37 pm

1 stop18h 38m

$839

ChampaignOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 12/30

6:37 am-4:07 pm

2 stops11h 30m

Ontario

Sun 1/4

10:50 am-8:37 pm

1 stop7h 47m

$855

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $386. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Champaign to Ontario for around $778.

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 Champaign to Ontario when you can find flight prices for as low as $637. 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 $711 on average. Flights to Ontario from Champaign in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

7h 01m

Direct flights

None
The fastest flight from Champaign to Ontario takes 7h 01m
There are no direct flights from Champaign to Ontario. There are no popular flight routes from Champaign to Ontario.
Search flight deals

  • 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 7h 01m, 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
7.2
11,045 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States