Cheap flights from Ontario to Champaign (ONT - CMI)
ONT — CMI
Feb 27 — Mar 61
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Ontario to Champaign
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Champaign (CMI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | December |
Average price | $478 |
- Most accurate provider: When it comes to deals on Ontario-Champaign flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Champaign flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Champaign flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Champaign flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Champaign flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Champaign
Have a flexible travel schedule? Discover the best time to fly to Champaign from Ontario 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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Champaign
Reviews of airlines servicing Champaign
Get insights into the airlines that provide service to Champaign. 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 Champaign. Reviews last updated January 28, 2026.
See what other customers who have flown with American Airlines from Ontario to Champaign have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Crew
8.0
Comfort
7.2
Food
6.4
Overall
7.2
Boarding
7.5
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Entertainment
6.9
Crew
8.0
Comfort
7.2
Food
6.4
Overall
7.2
Boarding
7.5
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Champaign. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Champaign?
Book flights to Champaign if you plan to visit one of these locationsUrbana
Danville
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Alternative routes for Ontario to Champaign
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Ontario to Champaign
Discover the top airline that operate flights from Ontario to Champaign. 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 2,558,603 searches. Data last updated January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$558 | FlexibilityNo cancel fee | On-time71% |