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Cheap flights from Ontario to Illinois from C$ 168

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 22/2. 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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Find the cheapest flights from Ontario to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Illinois.

Cheap last-minute flights

Planning a quick getaway from Ontario to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Illinois

Find recent round-trip train or bus tickets from Ontario to Illinois.

All round-trip flight deals from Ontario to Illinois

The cheapest plane tickets from Ontario to Illinois found on KAYAK recently.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 292Porter Airlines
Find Deal
jue., 6 feb. - dom., 9 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 295Porter Airlines
Find Deal
jue., 6 feb. - lun., 10 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 335Air Transat
Find Deal
jue., 20 feb. - dom., 23 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 338Air Transat
Find Deal
jue., 6 feb. - dom., 9 feb.
6:20 p.m. - 7:20 p.m.YYZ-ORD
2h 00mdirect
8:11 a.m. - 10:51 a.m.ORD-YYZ
1h 40mdirect
C$ 346American Airlines
Find Deal
mié., 5 feb. - mié., 12 feb.
8:00 a.m. - 2:45 p.m.YYZ-ORD
7h 45m1 stop
10:53 a.m. - 1:42 p.m.ORD-YYZ
1h 49mdirect
C$ 352Air Canada
Find Deal
vie., 7 feb. - lun., 10 feb.
9:00 a.m. - 10:10 a.m.YYZ-ORD
2h 10mdirect
2:05 p.m. - 4:46 p.m.ORD-YYZ
1h 41mdirect
C$ 356United Airlines
Find Deal
jue., 6 feb. - lun., 10 feb.
3:25 p.m. - 7:55 p.m.YTZ-ORD
5h 30m1 stop
7:20 a.m. - 2:50 p.m.ORD-YTZ
6h 30m1 stop
C$ 362Air Canada
Find Deal
vie., 7 feb. - dom., 9 feb.
6:40 p.m. - 7:37 p.m.YYZ-ORD
1h 57mdirect
7:12 a.m. - 9:58 a.m.ORD-YYZ
1h 46mdirect
C$ 364United Airlines
Find Deal
vie., 7 feb. - dom., 23 feb.
6:20 p.m. - 7:20 p.m.YYZ-ORD
2h 00mdirect
9:49 a.m. - 12:30 p.m.ORD-YYZ
1h 41mdirect
C$ 400American Airlines
Find Deal
sáb., 1 feb. - dom., 2 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
C$ 168Porter Airlines
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sáb., 22 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
C$ 175Porter Airlines
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mar., 18 feb.
12:20 p.m. - 1:11 p.m.YYZ-ORD
1h 51mdirect
C$ 178Air Canada
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mié., 12 feb.
2:00 p.m. - 2:51 p.m.YYZ-ORD
1h 51mdirect
C$ 207Air Canada
Find Deal
mié., 12 feb.
12:20 p.m. - 6:38 p.m.YYZ-ORD
7h 18m1 stop
C$ 214United Airlines
Find Deal
mié., 12 feb.
12:20 p.m. - 1:11 p.m.YYZ-ORD
1h 51mdirect
C$ 227United Airlines
Find Deal
jue., 13 feb.
11:31 a.m. - 12:31 p.m.YYZ-ORD
2h 00mdirect
C$ 241American Airlines
Find Deal
mié., 29 ene.
6:30 a.m. - 12:42 p.m.YYZ-MDW
7h 12m1 stop
C$ 254WestJet
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mar., 18 feb.
7:35 a.m. - 5:24 p.m.YYZ-ORD
10h 49m1 stop
C$ 257American Airlines
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dom., 2 feb.
6:30 a.m. - 12:46 p.m.YYZ-MDW
7h 16m1 stop
C$ 266WestJet
Find Deal
mar., 28 ene.
7:00 p.m. - 12:39 p.m.YYZ-ORD
18h 39m2 stops
5:11 a.m. - 11:55 p.m.ORD-YYZ
17h 44m1 stop
C$ 487
Find Deal
mar., 21 ene. - mar., 28 ene.
7:00 p.m. - 12:39 p.m.YYZ-ORD
18h 39m2 stops
7:00 a.m. - 11:55 p.m.ORD-YYZ
15h 55m2 stops
C$ 493
Find Deal
mar., 21 ene. - mar., 28 ene.
6:40 p.m. - 7:37 p.m.YYZ-ORD
1h 57mdirect
9:13 p.m. - 11:59 p.m.ORD-YYZ
1h 46mdirect
C$ 503Air Canada
Find Deal
mar., 21 ene. - mar., 28 ene.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 527Porter Airlines
Find Deal
dom., 19 ene. - dom., 26 ene.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 533Porter Airlines
Find Deal
lun., 20 ene. - lun., 27 ene.
6:20 p.m. - 7:20 p.m.YYZ-ORD
2h 00mdirect
6:35 p.m. - 9:19 p.m.ORD-YYZ
1h 44mdirect
C$ 568American Airlines
Find Deal
mar., 21 ene. - mar., 18 feb.
4:30 p.m. - 9:42 p.m.YYZ-ORD
6h 12m1 stop
10:37 a.m. - 7:00 p.m.ORD-YYZ
7h 23m1 stop
C$ 576American Airlines
Find Deal
mar., 21 ene. - mar., 18 feb.
12:30 a.m. - 8:00 a.m.YYZ-ORD
8h 30m1 stop
2:05 p.m. - 4:46 p.m.ORD-YYZ
1h 41mdirect
C$ 622Air Canada
Find Deal
mar., 21 ene. - sáb., 25 ene.
6:52 a.m. - 8:05 a.m.YYZ-ORD
2h 13mdirect
12:51 p.m. - 3:45 p.m.ORD-YYZ
1h 54mdirect
C$ 688United Airlines
Find Deal
vie., 17 ene. - vie., 17 ene.
6:20 a.m. - 11:01 a.m.YYZ-ORD
5h 41m1 stop
8:25 p.m. - 11:06 p.m.ORD-YYZ
1h 41mdirect
C$ 737United Airlines
Find Deal
vie., 17 ene. - vie., 17 ene.
3:50 p.m. - 4:40 p.m.YTZ-MDW
1h 50mdirect
5:35 p.m. - 8:17 p.m.MDW-YTZ
1h 42mdirect
C$ 296Porter Airlines
Find Deal
vie., 7 mar. - dom., 9 mar.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 298Porter Airlines
Find Deal
jue., 6 feb. - lun., 10 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 335Air Transat
Find Deal
jue., 20 feb. - dom., 23 feb.
11:20 a.m. - 12:10 p.m.YTZ-MDW
1h 50mdirect
1:05 p.m. - 3:47 p.m.MDW-YTZ
1h 42mdirect
C$ 338Air Transat
Find Deal
jue., 6 feb. - dom., 9 feb.
9:00 p.m. - 10:13 p.m.YYZ-ORD
2h 13mdirect
12:51 p.m. - 3:45 p.m.ORD-YYZ
1h 54mdirect
C$ 344Air Canada
Find Deal
vie., 7 feb. - lun., 10 feb.
6:20 p.m. - 7:20 p.m.YYZ-ORD
2h 00mdirect
8:11 a.m. - 10:51 a.m.ORD-YYZ
1h 40mdirect
C$ 346American Airlines
Find Deal
mié., 5 feb. - mié., 12 feb.
9:00 a.m. - 10:10 a.m.YYZ-ORD
2h 10mdirect
2:05 p.m. - 4:46 p.m.ORD-YYZ
1h 41mdirect
C$ 356United Airlines
Find Deal
jue., 6 feb. - lun., 10 feb.
6:40 p.m. - 7:37 p.m.YYZ-ORD
1h 57mdirect
7:12 a.m. - 9:58 a.m.ORD-YYZ
1h 46mdirect
C$ 364United Airlines
Find Deal
vie., 7 feb. - dom., 23 feb.
12:20 p.m. - 1:11 p.m.YYZ-ORD
1h 51mdirect
9:50 a.m. - 12:25 p.m.ORD-YYZ
1h 35mdirect
C$ 365Air Canada
Find Deal
vie., 7 feb. - dom., 9 feb.
6:20 p.m. - 7:20 p.m.YYZ-ORD
2h 00mdirect
3:00 p.m. - 5:35 p.m.ORD-YYZ
1h 35mdirect
C$ 374American Airlines
Find Deal
sáb., 1 feb. - vie., 7 feb.

Air Canada flights from Region of Ontario to Illinois

Our best Air Canada deals on Region of Ontario to Illinois flight tickets
Air Canada
7 Feb
YYZ8:00 a.m.Toronto Pearson Intl
7h 45m
1 stop
ORD2:45 p.m.Chicago O'Hare Intl
10 Feb
ORD10:53 a.m.Chicago O'Hare Intl
1h 49m
YYZ1:42 p.m.Toronto Pearson Intl
Air Canada
7 Feb
YTZ3:25 p.m.Toronto Island
5h 30m
1 stop
ORD7:55 p.m.Chicago O'Hare Intl
9 Feb
ORD7:20 a.m.Chicago O'Hare Intl
6h 30m
1 stop
YTZ2:50 p.m.Toronto Island
Air Canada
6 Feb
YTZ10:25 a.m.Toronto Island
5h 20m
1 stop
ORD2:45 p.m.Chicago O'Hare Intl
10 Feb
ORD3:35 p.m.Chicago O'Hare Intl
5h 15m
1 stop
YTZ9:50 p.m.Toronto Island

United Airlines flights from Region of Ontario to Illinois

Our best United Airlines deals on Region of Ontario to Illinois flight tickets
United Airlines
6 Feb
YYZ9:00 a.m.Toronto Pearson Intl
2h 10m
ORD10:10 a.m.Chicago O'Hare Intl
10 Feb
ORD2:05 p.m.Chicago O'Hare Intl
1h 41m
YYZ4:46 p.m.Toronto Pearson Intl
United Airlines
7 Feb
YYZ6:40 p.m.Toronto Pearson Intl
1h 57m
ORD7:37 p.m.Chicago O'Hare Intl
23 Feb
ORD7:12 a.m.Chicago O'Hare Intl
1h 46m
YYZ9:58 a.m.Toronto Pearson Intl
United Airlines
7 Feb
YYZ6:52 a.m.Toronto Pearson Intl
2h 13m
ORD8:05 a.m.Chicago O'Hare Intl
23 Feb
ORD2:05 p.m.Chicago O'Hare Intl
1h 41m
YYZ4:46 p.m.Toronto Pearson Intl

See travel insights to Illinois from

How to get the cheapest flight ticket from Region of 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 month to fly to Illinois?

In general, April is the cheapest month to fly from Region of Ontario to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 344. If you don’t want to visit Illinois in April, then you should wait until February to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 348.

What is the cheapest day to depart on your flight to Illinois?

According to our data, Tuesday is the cheapest day to fly to Illinois from Region of Ontario. The lowest ticket price found for a Tuesday departure recently was C$ 407. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Monday, with ticket prices averaging around C$ 447.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Region of Ontario to Illinois during this time can be as low as C$ 419. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 434 on average. Flights to Illinois from Region of Ontario at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ontario to Illinois flight route?

Fly from Toronto Island to Chicago Midway for the best Ontario - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Region of Ontario when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around C$ 436 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Region of Ontario for as low as C$ 382 on momondo.

What cabin class options are available on Ontario to Illinois flights?

There are 4 cabin classes available to choose from on Ontario to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Region of Ontario to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Illinois

Best price found

C$ 168

Fastest flight time

1h 50m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Region of Ontario in the past 72 hours is C$ 168. The best round-trip flight deal from Region of Ontario to Illinois found on momondo in the last 72 hours is C$ 292.
The fastest flight from Region of Ontario to Illinois takes 1h 50m
Direct flights go from Region of Ontario to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

  • When did momondo last update prices for flights from Ontario to Illinois?

    Prices for flights from Ontario to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario to Illinois?

  • How old do you have to be to fly from Ontario to Illinois?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Region of Ontario to Illinois?


Best airlines flying from Region of Ontario to Illinois

Compare and see reviews for airlines that fly from Region of Ontario to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 279Free CancellationRating
7.9
276 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 320Free CancellationRating
7.0
8,587 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 359Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 359Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom C$ 456Free CancellationRating
7.2
2,824 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Illinois?

It is quick and easy to find Ontario to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Ontario.

I’m not ready to book a flight from Ontario to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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