Cheap flights from Ontario to Illinois from $51
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 Illinois departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to Illinois by changing tabs
Find the cheapest one-way flights from Ontario to Illinois
If you're looking for one-way flights from Ontario to Illinois, view some of our deals below provided by Alaska Airlines, Frontier and Southwest
Search last-minute flights to Illinois from Ontario
Find and compare round-trip flight prices for your last-minute flight from Ontario to Illinois
Best airlines flying from Ontario to Illinois
Compare and see reviews for airlines that fly from Ontario to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $105 | Free Cancellation | Rating 6.4 8,743 reviews | |||
| PriceFrom $122 | Free Cancellation | Rating 6.3 4,129 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 10,951 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.4 11,228 reviews | |||
| PriceFrom $305 | Free Cancellation | Rating 7.3 14,875 reviews |
Delta flights from Ontario to Illinois
Our best Delta deals on Ontario to Illinois flight tickets
Frontier flights from Ontario to Illinois
Our best Frontier deals on Ontario to Illinois flight tickets
How to get the cheapest flight ticket from Ontario to 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 airline that flies to Illinois from Ontario?
Frontier. American Airlines, Delta, and Frontier are the most popular carriers operating from Ontario to Illinois
What is the cheapest Ontario to Illinois flight route?
Ontario - Chicago Midway. Fly from Ontario to Chicago Midway for the best Ontario - Illinois flight prices
Cheap Ontario to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Illinois
Best Price Found | $51 |
|---|---|
Fastest flight time | 3h 45m |
Direct flights | Mon and Fri |
Airports in Illinois | 6 airports |
When did momondo last update prices for flights from Ontario Airport to Illinois?
Prices for flights from Ontario Airport to Illinois were last updated today.
How many operators does momondo search for flights from Ontario Airport to Illinois?
As of April 2024, there are 5 operators available to choose from for flights from Ontario Airport to Illinois.
How old do you have to be to fly from Ontario Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Illinois with flexible booking policies on momondo?
Flights from Ontario to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to Illinois?
Once you have performed a search for Ontario to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Ontario and alert you when they change.