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Cheap flights from Champaign to Ontario (CMI - ONT) from $285

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CMI — ONT
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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What is the cheapest month to fly from Champaign to Ontario?

September is one of the best times of the year to fly to Ontario from Champaign. Prices for September average $614 per person but you can even find prices for as low as $408. The most expensive prices can be found in the month of May. Opting for a September flight can save you 41% on your journey compared to booking in May

When is the cheapest time to fly from Champaign to Ontario (CMI - ONT)?

One of the essential ways to save on airfare from Champaign to Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 46% on airfare.

Cheap American Airlines flights from Champaign to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Champaign and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Tue 9/37:03 amCMI - ONT
1 stop6h 44mAmerican Airlines
Thu 9/512:47 pmONT - CMI
1 stop5h 55mAmerican Airlines
Deal found 5/27$407
Tue 9/311:47 amCMI - ONT
2 stops8h 37mAmerican Airlines
Thu 9/512:47 pmONT - CMI
1 stop5h 55mAmerican Airlines
Deal found 5/27$412
Sat 8/177:03 amCMI - ONT
1 stop8h 42mAmerican Airlines
Wed 8/2110:46 amONT - CMI
1 stop7h 51mAmerican Airlines
Deal found 5/27$478
Sat 8/1711:47 amCMI - ONT
2 stops8h 37mAmerican Airlines
Wed 8/2110:46 amONT - CMI
1 stop7h 51mAmerican Airlines
Deal found 5/27$483
Sat 8/176:03 amCMI - ONT
2 stops12h 05mAmerican Airlines
Wed 8/219:35 amONT - CMI
2 stops9h 58mAmerican Airlines
Deal found 5/27$488
Sun 9/12:56 pmCMI - ONT
2 stops8h 44mAmerican Airlines
Sat 10/56:10 amONT - CMI
1 stop6h 48mAmerican Airlines
Deal found 5/27$523
Sun 9/12:56 pmCMI - ONT
2 stops8h 44mAmerican Airlines
Sat 10/56:35 amONT - CMI
2 stops12h 57mAmerican Airlines
Deal found 5/27$578
Tue 9/311:47 amCMI - ONT
2 stops8h 37mAmerican Airlines
Thu 9/56:35 amONT - CMI
2 stops12h 07mAmerican Airlines
Deal found 5/27$587
Fri 6/217:04 amCMI - ONT
2 stops13h 33mAmerican Airlines
Tue 6/256:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/28$679

Cheap Champaign to Ontario flights in May & June 2024

Find cheap flight options from Champaign to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
Fri 6/217:04 amCMI - ONT
2 stops13h 33mAmerican Airlines
Tue 6/256:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/28$679
Fri 6/217:04 amCMI - ONT
1 stop8h 44mAmerican Airlines
Tue 6/256:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/28$693
Fri 6/217:04 amCMI - ONT
2 stops13h 33mAmerican Airlines
Tue 6/259:24 amONT - CMI
2 stops10h 55mAmerican Airlines
Deal found 5/28$704
Sun 6/307:04 amCMI - ONT
1 stop6h 50mAmerican Airlines
Fri 7/510:48 amONT - CMI
1 stop7h 46mAmerican Airlines
Deal found 5/27$748
Sat 6/293:35 pmCMI - ONT
2 stops8h 05mAmerican Airlines
Thu 7/46:00 amONT - CMI
1 stop7h 35mAmerican Airlines
Deal found 5/28$762
Sat 6/293:35 pmCMI - ONT
2 stops19h 12mAmerican Airlines
Thu 7/44:31 pmONT - CMI
2 stops20h 50mAmerican Airlines
Deal found 5/28$791
Sun 6/306:14 amCMI - ONT
2 stops29h 49mAmerican Airlines
Fri 7/57:18 pmONT - CMI
2 stops23h 56mAmerican Airlines
Deal found 5/27$862
Sat 6/297:04 amCMI - ONT
1 stop6h 50mAmerican Airlines
Thu 7/46:00 amONT - CMI
1 stop7h 35mAmerican Airlines
Deal found 5/28$2,006
Fri 5/317:10 amCMI - ONT
1 stop8h 42mAmerican Airlines
Sun 6/26:00 amONT - CMI
1 stop7h 03mAmerican Airlines
Deal found 5/27$2,146

Champaign to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Champaign and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Tue 9/37:03 amCMI - ONT
1 stop6h 44mAmerican Airlines
Thu 9/512:47 pmONT - CMI
1 stop5h 55mAmerican Airlines
Deal found 5/27$407
Tue 9/311:47 amCMI - ONT
2 stops8h 37mAmerican Airlines
Thu 9/512:47 pmONT - CMI
1 stop5h 55mAmerican Airlines
Deal found 5/27$412
Sat 8/177:03 amCMI - ONT
1 stop8h 42mAmerican Airlines
Wed 8/2110:46 amONT - CMI
1 stop7h 51mAmerican Airlines
Deal found 5/27$478
Sat 8/1711:47 amCMI - ONT
2 stops8h 37mAmerican Airlines
Wed 8/2110:46 amONT - CMI
1 stop7h 51mAmerican Airlines
Deal found 5/27$483
Sat 8/176:03 amCMI - ONT
2 stops12h 05mAmerican Airlines
Wed 8/219:35 amONT - CMI
2 stops9h 58mAmerican Airlines
Deal found 5/27$488
Sun 9/12:56 pmCMI - ONT
2 stops8h 44mAmerican Airlines
Sat 10/56:10 amONT - CMI
1 stop6h 48mAmerican Airlines
Deal found 5/27$523
Sun 9/12:56 pmCMI - ONT
2 stops8h 44mAmerican Airlines
Sat 10/56:35 amONT - CMI
2 stops12h 57mAmerican Airlines
Deal found 5/27$578
Tue 9/311:47 amCMI - ONT
2 stops8h 37mAmerican Airlines
Thu 9/56:35 amONT - CMI
2 stops12h 07mAmerican Airlines
Deal found 5/27$587
Fri 6/217:04 amCMI - ONT
2 stops13h 33mAmerican Airlines
Tue 6/256:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/28$679

One-way flights to Ontario from Champaign

Search for one-way flight options from Champaign to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Sat 6/297:04 amCMI - ONT
1 stop8h 44mAmerican Airlines
Deal found 5/26$285
Sun 6/307:04 amCMI - ONT
1 stop6h 50mAmerican Airlines
Deal found 5/26$324
Mon 6/177:04 amCMI - ONT
1 stop6h 50mAmerican Airlines
Deal found 5/28$374
Mon 6/172:43 pmCMI - ONT
2 stops8h 57mAmerican Airlines
Deal found 5/28$379
Sat 6/292:57 pmCMI - ONT
2 stops8h 43mAmerican Airlines
Deal found 5/26$388
Sun 6/306:14 amCMI - ONT
2 stops14h 23mAmerican Airlines
Deal found 5/26$453

Find flights from Champaign to Ontario within your budget

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, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$407 - $679

Route

Depart

Return

Price

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 9/3

1 stop6h 44m

Ontario

Thu 9/5

1 stop5h 55m

$407

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 9/3

2 stops8h 37m

Ontario

Thu 9/5

1 stop5h 55m

$412

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Sat 8/17

1 stop8h 42m

Ontario

Wed 8/21

1 stop7h 51m

$478

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Sat 8/17

2 stops8h 37m

Ontario

Wed 8/21

1 stop7h 51m

$483

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Sat 8/17

2 stops12h 05m

Ontario

Wed 8/21

2 stops9h 58m

$488

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Sun 9/1

2 stops8h 44m

Ontario

Sat 10/5

1 stop6h 48m

$523

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Sun 9/1

2 stops8h 44m

Ontario

Sat 10/5

2 stops12h 57m

$578

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Tue 9/3

2 stops8h 37m

Ontario

Thu 9/5

2 stops12h 07m

$587

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

Fri 6/21

2 stops13h 33m

Ontario

Tue 6/25

1 stop6h 53m

$679

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time to fly from Champaign to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Champaign to Ontario. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Champaign to Ontario flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Champaign to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Champaign with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 28, 2024.
American Airlines
7.3
Good
14,316 reviews
Check prices

Crew

8.0

Overall

7.3

Food

6.6

Boarding

7.6

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

New plane, lots of space, we could bring our carryon on board, very efficient.

American Airlines
7.3
Good
14,316 reviews
American Airlines
7.3
Good
14,316 reviews
Check prices

Crew

8.0

Overall

7.3

Food

6.6

Boarding

7.6

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

New plane, lots of space, we could bring our carryon on board, very efficient.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Champaign to Ontario for under $500 on Cheapflights?

    Yes, there are multiple flights from Champaign to Ontario for under $500. The cheapest flight booked recently is on American Airlines for just $407, but on average you can expect to pay $654.

  • What does CMI to ONT mean?

    Champaign University-Willard Airport is CMI and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Champaign to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Champaign to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Champaign to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Champaign to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Champaign to Ontario that include hotel bookings?

    Yes. In addition to deals on Champaign to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Ontario.

  • Can I find deals for business class flights from Champaign to Ontario?

    Yes. Cheapflights offers flight deals from Champaign to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Champaign to Ontario that allow pets onboard?

    Many airlines flying from Champaign to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Champaign to Ontario?

    Yes, you can often find last-minute deals on Champaign to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Champaign to Ontario flight deals updated?

    The Champaign to Ontario flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Champaign to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Champaign to Ontario (average of $238). Flying from Champaign to Ontario in June is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Champaign to Ontario

Discover the top airline that operate flights from Champaign to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$465Average$689FlexibilityNo cancel feeOn-time71%
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Search flights from Champaign to Ontario by cabin class

Find flights from Champaign to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Champaign to Ontario?

Cheapflights helps you search for flights from Champaign to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Champaign to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Champaign to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Champaign to Ontario with no change fees?

Yes, we can. To see specific flights from Champaign to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Champaign to Ontario become cheaper?

Of course! You can now track prices for flights from Champaign to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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