CMI - ONT

$473 Find Cheap Flights from Champaign to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$553
Typical prices: $490-$570
American Airlines
Tue 11/6Fri 11/9
CMI - ONT • 2 stops
Cheapest one-way
$473
Typical prices: $402-$465
American Airlines
Tue 11/6
CMI - ONT • 1 stop
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Flight Deals

Cheap Flights from Champaign to Ontario (CMI-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Champaign to Ontario

Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
6:50 pm - 8:39 amCMI  Champaign University-Willard-ONT Ontario
15h 49m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 2:02 pmONT  Ontario-CMI Champaign University-Willard
6h 02m1 stop Dallas/Fort Worth
$553American Airlines
Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
2:32 pm - 9:32 pmCMI  Champaign University-Willard-ONT Ontario
9h 00m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 10:02 pmONT  Ontario-CMI Champaign University-Willard
7h 20m1 stop Dallas/Fort Worth
$558American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
7:11 am - 1:31 pmCMI  Champaign University-Willard-ONT Ontario
8h 20m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 10:02 pmONT  Ontario-CMI Champaign University-Willard
7h 20m1 stop Dallas/Fort Worth
$558American Airlines
Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
6:50 pm - 8:39 amCMI  Champaign University-Willard-ONT Ontario
15h 49m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
American Airlines Logo
9:29 am - 10:02 pmONT  Ontario-CMI Champaign University-Willard
10h 33m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$604American Airlines
Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
6:50 pm - 8:39 amCMI  Champaign University-Willard-ONT Ontario
15h 49m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
American Airlines Logo
9:29 am - 10:02 pmONT  Ontario-CMI Champaign University-Willard
10h 33m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$639American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
7:11 am - 3:35 pmCMI  Champaign University-Willard-ONT Ontario
10h 24m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 2:02 pmONT  Ontario-CMI Champaign University-Willard
6h 02m1 stop Dallas/Fort Worth
$645American Airlines
Fri, Nov 27 - Mon, Nov 30
American Airlines Logo
7:11 am - 5:13 pmCMI  Champaign University-Willard-ONT Ontario
12h 02m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 1:59 pmONT  Ontario-CMI Champaign University-Willard
5h 59m1 stop Dallas/Fort Worth
$717American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
7:11 am - 3:35 pmCMI  Champaign University-Willard-ONT Ontario
10h 24m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
6:30 am - 8:21 pmONT  Ontario-CMI Champaign University-Willard
11h 51m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$731American Airlines
Booking Insights

Price, demand and travel trends for Champaign to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Champaign to Ontario?

Round-trip flights from Champaign to Ontario typically range from $490 to $570. The lowest price found in the past 5 days was $553, on American Airlines.

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Key details for Champaign to Ontario flights

Cheapest flight

$473
One-way flight from Champaign to Ontario

When to book flights from Champaign to Ontario

Are your dates flexible? Find out the best times to travel from Champaign to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Champaign to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Champaign to Ontario?

    Only Economy Class is available on flights from Champaign to Ontario.

  • Do I need a passport to fly from Champaign to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Champaign to Ontario flight?

    Round-trip flights from Champaign to Ontario range from $490 to $570, with an average of $490 over the past 12 months. Anything below $490 counts as a good deal.

  • Have flight prices from Champaign to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $553 to $1,110. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from Champaign to Ontario looking right now?

    One-way fares from Champaign to Ontario are currently in line with typical prices for this route. Average one-way fares are about $486.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Champaign to Ontario?

    Flights from Champaign to Ontario usually depart from Champaign University-Willard (CMI) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Champaign to Ontario pass through?

    Most connecting flights from Champaign to Ontario pass through Dallas/Fort Worth (DFW), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Champaign to Ontario?

    Yes. Flexible dates can save you up to 32% on flights from Champaign to Ontario. Wednesday is the cheapest departure day at $490 round-trip on average, while Friday is the most expensive at $716, a difference of $226.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Champaign and Ontario?

    Ontario is 2 hours behind Champaign (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Champaign to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Champaign to Ontario

Complete your trip to Ontario with a hotel stay or car rental

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Hotels in Ontario
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