Cheap flights from Ontario to Peoria from $343
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Peoria departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.Find the cheapest flights from Ontario to Peoria
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
United Airlines flights from Ontario to Peoria, Illinois
Our best United Airlines deals on Ontario to Peoria, Illinois flight tickets
American Airlines flights from Ontario to Peoria, Illinois
Our best American Airlines deals on Ontario to Peoria, Illinois flight tickets
See travel insights to Peoria from
How to get the cheapest flight ticket from Ontario to Peoria, Illinois
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 Peoria, Illinois?
Our data shows that Wednesday is the least expensive day to fly to Peoria, Illinois. Tickets to fly out on this day can be as low as $332. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,485. These prices are subject to change though, so be sure to set up a Price Alert for flights to Peoria, Illinois.
What is the cheapest time of day to depart on your flight to Peoria, Illinois?
Our most recent data shows that the best time of day to fly to Peoria, Illinois is at noon. Flights from Ontario to Peoria, Illinois during this time can be as low as $441. Try not to purchase tickets in the morning because they tend to be around $445. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest airline that flies from Ontario to Greater Peoria?
American Airlines and United Airlines are the most popular carriers operating from Ontario to Greater Peoria
What airlines fly to Peoria, Illinois?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Peoria, Illinois from Ontario according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Peoria, Illinois. Keep in mind that there are 4 different airlines that fly to Peoria, Illinois on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Peoria, Illinois
Cheap Ontario to Peoria, Illinois (ONT to PIA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Peoria, Illinois
Best Price Found | $343 |
|---|---|
Fastest flight time | 5h 18m |
Direct flights | None |
Airports in Peoria, Illinois | 1 airport |
How far is Ontario to Greater Peoria by plane?
Ontario and Greater Peoria are 1598.5 mi apart from one another. Typically, this will take 5h 18m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to Greater Peoria Airport?
Prices for flights from Ontario Airport to Greater Peoria Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Greater Peoria Airport?
As of June 2025, there are 2 operators available to choose from for flights from Ontario Airport to Greater Peoria Airport.
How old do you have to be to fly from Ontario Airport to Greater Peoria 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 Ontario Airport to Greater Peoria Airport.
What documentation or ID do you need to fly to Greater Peoria Airport?
The travel and health documents you'll need for your trip to Greater Peoria Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Greater Peoria Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Peoria, Illinois?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Peoria, Illinois is United Airlines (52% of total bookings). The next most popular airline is American Airlines (48%).
Best airlines flying from Ontario to Peoria, Illinois
Compare and see reviews for airlines that fly from Ontario to Peoria, Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $319 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $353 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Peoria?
Book flights to Peoria if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Peoria?
Finding the right flight to Peoria from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Peoria quick and easy, saving you time and money.
Can I find flights from Ontario to Peoria with flexible booking policies on momondo?
momondo does allow users to show only those flights to Peoria from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to Peoria?
Once all potential Ontario to Peoria 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 Ontario to Peoria right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Peoria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.