Cheap flights from Chicago to Ontario from $70
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ontario departing on 6/1. 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 Chicago to Ontario by changing tabs
Find the cheapest one-way flights from Chicago to Ontario
If you're looking for one-way flights from Chicago to Ontario, view some of our deals below provided by Delta and Frontier
Search last-minute flights to Ontario from Chicago
Find and compare round-trip flight prices for your last-minute flight from Chicago to Ontario
Frontier flights from Chicago to Ontario
Our best Frontier deals on Chicago to Ontario flight tickets
Delta flights from Chicago to Ontario
Our best Delta deals on Chicago to Ontario flight tickets
How to get the cheapest flight ticket from Chicago to Ontario
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 month to fly from Chicago to Ontario?
May. The cheapest time of year to fly to Ontario from Chicago is May. Most expensive is July
What is the cheapest day to depart Chicago for Ontario?
Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Sunday
When is the cheapest time to fly from Chicago to Ontario?
In the evening. Chicago to Ontario flights are approximately 35% more expensive at noon than in the evening
What is the cheapest airline that flies to Ontario from Chicago?
Frontier. American Airlines, Delta, and Frontier are the most popular carriers operating from Chicago to Ontario
What is the cheapest Chicago to Ontario flight route?
Chicago O'Hare Intl - Ontario. Fly from Chicago O'Hare Intl to Ontario for the best Chicago - Ontario flight prices
How far in advance should you book Chicago to Ontario flights?
22 days before. The cheapest time to buy a flight from Chicago to Ontario is approximately 22 days to departure
How many flights depart from Chicago to Ontario on average per day?
As of May 2024, there are 2 flights per week flying from Chicago to Ontario. The most common time of day flights depart is 10:00AM, with 90% of flights taking off at noon.
How many flights depart from Chicago to Ontario on average per week?
As of May 2024, 19 flights take off from Chicago and land in Ontario each week. The most common flight departure day for this route is Monday, with 16% of weekly flights taking off on this day.
Cheap Chicago to Ontario (CHI to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Ontario
Best Price Found | $70 |
|---|---|
Fastest flight time | 5h 41m |
Direct flights | None |
Airports in Ontario | 1 airport |
How far is Chicago to Ontario by plane?
The distance between Chicago and Ontario is about 1710.7 mi. In terms of flight time, this usually takes a little over 5h 41m.
When did momondo last update prices for flights from Chicago to Ontario Airport?
Prices for flights from Chicago to Ontario Airport refresh daily.
How many operators does momondo search for flights from Chicago to Ontario Airport?
The number of operators available for flights from Chicago to Ontario Airport is 5 as of May 2024.
How old do you have to be to fly from Chicago to Ontario Airport?
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 Chicago to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Chicago to Ontario
Compare and see reviews for airlines that fly from Chicago to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $120 | Free Cancellation | Rating 6.2 4,055 reviews | |||
| PriceFrom $126 | Free Cancellation | Rating 6.4 8,664 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 10,635 reviews | |||
| PriceFrom $311 | Free Cancellation | Rating 7.3 14,472 reviews | |||
| PriceFrom $311 | Free Cancellation | Rating 7.4 10,894 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to Ontario with flexible booking policies on momondo?
All flight searches from Chicago to Ontario on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Ontario?
momondo helps you find the best flight between Chicago and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Chicago to Ontario right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Chicago and alert you when they change.