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Cheap flights from Illinois to Ontario from C$ 103

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — YYZ
19 May — 26 May1
1 adult
Sun 19/5
Sun 26/5

How far in advance should I book a flight from Illinois to Region of Ontario?

To save on the cost of your flight from Illinois to Region of Ontario, book at least 40 days before your planned departure. Booking around this time can save you about 90% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 495 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 763.

What is the cheapest month to fly from Illinois to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, January can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Illinois in January are about C$ 443 on average during January, but can be found for as low as C$ 232.

When is the cheapest time to fly from Illinois to Region of Ontario (IL - ON)?

When flying from Illinois to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Air Canada flights from Illinois to Ontario

Explore cheap flight options specifically provided by Air Canada for the route between Illinois and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.
Find some of the cheapest Air Canada flights travelling from Illinois to Ontario. Come back soon if you're not finding the exact deal you're looking for.
Wed 5/66:00 a.m.ORD - YYZ
Nonstop1h 45mAir Canada
Sat 8/67:55 a.m.YYZ - ORD
Nonstop1h 56mAir Canada
Deal found 13/5C$ 399
Sat 6/73:35 p.m.ORD - YYZ
1 stop5h 17mAir Canada
Thu 11/712:00 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Deal found 12/5C$ 406
Tue 17/97:21 a.m.ORD - YUL
Nonstop2h 23mAir Canada
Thu 26/96:15 a.m.YUL - ORD
Nonstop2h 38mAir Canada
Deal found 13/5C$ 412
Wed 28/83:40 p.m.ORD - YUL
Nonstop2h 13mAir Canada
Sun 1/98:40 a.m.YUL - ORD
1 stop5h 02mAir Canada
Deal found 13/5C$ 418
Tue 20/88:45 a.m.ORD - YTZ
1 stop5h 04mAir Canada
Thu 22/89:20 a.m.YTZ - ORD
1 stop4h 22mAir Canada
Deal found 13/5C$ 420
Mon 27/56:00 a.m.ORD - YUL
1 stop6h 18mAir Canada
Sat 1/66:15 a.m.YUL - ORD
Nonstop2h 43mAir Canada
Deal found 13/5C$ 427
Tue 28/59:15 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Thu 6/62:00 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Deal found 13/5C$ 428
Mon 27/56:00 a.m.ORD - YUL
1 stop6h 18mAir Canada
Sat 1/68:00 a.m.YUL - ORD
1 stop5h 54mAir Canada
Deal found 13/5C$ 442
Sat 25/54:00 p.m.ORD - YYZ
Nonstop1h 45mAir Canada
Mon 27/56:30 a.m.YYZ - ORD
1 stop4h 31mAir Canada
Deal found 13/5C$ 503

Cheap United Airlines flights from Illinois to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Illinois and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.
Have a look at some of the cheapest available United Airlines flights departing from Illinois and landing in Ontario. Make sure to examine the flight information before completing your reservation.
Tue 4/69:15 p.m.ORD - YYZ
Nonstop1h 43mUnited Airlines
Tue 18/67:43 p.m.YYZ - ORD
1 stop4h 37mUnited Airlines
Deal found 12/5C$ 421
Tue 17/96:00 a.m.ORD - YUL
1 stop4h 58mUnited Airlines
Wed 25/911:30 a.m.YUL - ORD
Nonstop2h 43mUnited Airlines
Deal found 13/5C$ 425
Thu 30/56:00 a.m.ORD - YYZ
1 stop6h 47mUnited Airlines
Sun 2/67:55 a.m.YYZ - ORD
Nonstop1h 56mUnited Airlines
Deal found 13/5C$ 427
Fri 31/55:00 p.m.ORD - YYZ
Nonstop1h 52mUnited Airlines
Sun 9/67:55 a.m.YYZ - ORD
Nonstop1h 56mUnited Airlines
Deal found 13/5C$ 428
Sat 21/96:00 p.m.ORD - YUL
Nonstop2h 29mUnited Airlines
Mon 23/98:10 a.m.YUL - ORD
1 stop4h 51mUnited Airlines
Deal found 13/5C$ 433
Sat 25/56:00 p.m.ORD - YYZ
Nonstop1h 43mUnited Airlines
Tue 28/57:55 a.m.YYZ - ORD
Nonstop1h 56mUnited Airlines
Deal found 13/5C$ 496
Fri 24/59:45 p.m.ORD - YYZ
1 stop9h 15mUnited Airlines
Sat 1/62:00 p.m.YYZ - ORD
Nonstop1h 54mUnited Airlines
Deal found 13/5C$ 518
Sat 25/53:35 p.m.ORD - YYZ
1 stop5h 55mUnited Airlines
Sat 1/62:45 p.m.YYZ - ORD
1 stop5h 07mUnited Airlines
Deal found 13/5C$ 531
Wed 22/56:30 a.m.ORD - YUL
1 stop11h 09mUnited Airlines
Mon 27/56:15 a.m.YUL - ORD
Nonstop2h 43mUnited Airlines
Deal found 13/5C$ 543

Cheap Illinois to Ontario flights in May & June 2024

Find cheap flight options from Illinois to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 412,605 searches. Prices were last updated on 14 May 2024.
These are some of the most attractive deals on flights from Illinois to Ontario in 2024. Check back soon for alternative fares.
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 13/5C$ 254
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop10h 58mMultiple Airlines
Deal found 13/5C$ 264
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 12/5C$ 265
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop16h 28mMultiple Airlines
Deal found 13/5C$ 275
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop16h 28mMultiple Airlines
Deal found 13/5C$ 283
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 12/5C$ 286
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Wed 19/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 13/5C$ 299
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Wed 19/66:30 a.m.YYZ - ORD
1 stop10h 58mMultiple Airlines
Deal found 13/5C$ 301
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Sat 15/66:30 a.m.YYZ - ORD
2 stops13h 02mMultiple Airlines
Deal found 13/5C$ 310

Illinois to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.
These are some of the most attractive deals on flights from Illinois to Ontario in 2024. Check back soon for alternative fares.
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 13/5C$ 254
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop10h 58mMultiple Airlines
Deal found 13/5C$ 264
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 12/5C$ 265
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop16h 28mMultiple Airlines
Deal found 13/5C$ 275
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop16h 28mMultiple Airlines
Deal found 13/5C$ 283
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Tue 18/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 12/5C$ 286
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Wed 19/66:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 13/5C$ 299
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Wed 19/66:30 a.m.YYZ - ORD
1 stop10h 58mMultiple Airlines
Deal found 13/5C$ 301
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Sat 15/66:30 a.m.YYZ - ORD
2 stops13h 02mMultiple Airlines
Deal found 13/5C$ 310

Direct flights to Ontario from Illinois

Discover non-stop flight options from Illinois to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.
If you're seeking options on non-stop flights from Illinois to Ontario, check out these fares. Select from other flights from Illinois to Ontario by using the search form above.
Wed 29/511:05 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Mon 10/63:30 p.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 328
Mon 3/68:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Thu 6/68:50 p.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 330
Mon 3/68:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Wed 5/68:50 p.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 331
Tue 4/68:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Wed 5/68:50 p.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 332
Thu 13/68:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Mon 17/69:20 a.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 338
Fri 7/68:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Mon 24/63:30 p.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 339
Sat 1/68:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Sun 30/63:30 p.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 340
Thu 30/55:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Sat 1/610:45 a.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 13/5C$ 345
Tue 4/65:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Tue 18/69:20 a.m.YTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 12/5C$ 346

Illinois to Ontario flights leaving soon

Find last-minute flight options from Illinois to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.
Check out these flights departing soon from Illinois to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 28/52:15 p.m.ORD - YYZ
Nonstop1h 45mMultiple Airlines
Tue 4/66:30 a.m.YYZ - ORD
1 stop17h 59mMultiple Airlines
Deal found 14/5C$ 345
Sun 26/512:00 p.m.ORD - YYZ
1 stop6h 35mMultiple Airlines
Wed 29/56:30 a.m.YYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 13/5C$ 354
Tue 28/57:10 a.m.ORD - YYZ
Nonstop1h 48mMultiple Airlines
Tue 4/66:30 a.m.YYZ - ORD
2 stops17h 40mMultiple Airlines
Deal found 14/5C$ 375
Tue 28/59:00 a.m.ORD - YYZ
Nonstop1h 52mMultiple Airlines
Tue 4/62:40 p.m.YYZ - ORD
3 stops26h 27mMultiple Airlines
Deal found 14/5C$ 383
Sun 26/56:00 a.m.ORD - YYZ
Nonstop1h 45mMultiple Airlines
Sun 2/67:55 a.m.YYZ - ORD
Nonstop1h 56mMultiple Airlines
Deal found 12/5C$ 399
Sun 26/56:00 a.m.ORD - YYZ
Nonstop1h 45mMultiple Airlines
Sun 2/66:15 a.m.YYZ - ORD
1 stop4h 28mMultiple Airlines
Deal found 12/5C$ 420
Tue 28/52:15 p.m.ORD - YYZ
Nonstop1h 45mUnited Airlines
Sat 1/62:45 p.m.YYZ - ORD
1 stop5h 07mUnited Airlines
Deal found 13/5C$ 421
Mon 27/56:00 a.m.ORD - YUL
1 stop6h 18mAir Canada
Sat 1/66:15 a.m.YUL - ORD
Nonstop2h 43mAir Canada
Deal found 13/5C$ 427
Tue 28/56:00 a.m.ORD - YYZ
Nonstop1h 45mUnited Airlines
Tue 4/67:55 a.m.YYZ - ORD
Nonstop1h 56mUnited Airlines
Deal found 13/5C$ 427

One-way flights to Ontario from Illinois

Search for one-way flight options from Illinois to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.
Users travelling one-way from Illinois to Ontario can select one of these great deals. Users can also find round-trip Illinois to Ontario flights by using the search form above.
Tue 18/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 13/5C$ 103
Tue 18/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 13/5C$ 105
Tue 11/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 13/5C$ 107
Wed 12/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 13/5C$ 115
Tue 11/69:37 p.m.ORD - YYZ
2 stops15h 23mMultiple Airlines
Deal found 13/5C$ 122
Wed 29/510:58 a.m.ORD - YYZ
3 stops31h 37mMultiple Airlines
Deal found 13/5C$ 124
Tue 9/76:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 13/5C$ 129
Wed 29/55:19 p.m.ORD - YYZ
2 stops25h 16mMultiple Airlines
Deal found 12/5C$ 131
Wed 19/66:40 p.m.ORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 13/5C$ 134

Find flights from Illinois to Ontario within your budget

Customize your flight search to find flights from Illinois to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 412,605 searches. Data last updated 14 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 254 - C$ 472

Route

Depart

Return

Price

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 11/6

1 stop18h 20m

Toronto Pearson Intl

Tue 18/6

1 stop12h 10m

C$ 254

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 11/6

1 stop18h 20m

Toronto Pearson Intl

Tue 18/6

1 stop10h 58m

C$ 264

Chicago MidwayToronto Island

MDW - YTZ

MDWYTZ

Chicago Midway

Wed 29/5

Nonstop1h 42m

Toronto Island

Mon 10/6

Nonstop1h 47m

C$ 328

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 5/6

Nonstop1h 45m

Toronto Pearson Intl

Sat 8/6

Nonstop1h 56m

C$ 399

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 4/6

Nonstop1h 43m

Toronto Pearson Intl

Tue 18/6

1 stop4h 37m

C$ 421

Chicago O'Hare IntlMontreal Pierre Elliott Trudeau Intl

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 9/6

1 stop16h 07m

Montreal Pierre Elliott Trudeau Intl

Fri 14/6

Nonstop2h 39m

C$ 423

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 5/6

1 stop4h 32m

Toronto Pearson Intl

Sat 22/6

1 stop4h 05m

C$ 433

Chicago O'Hare IntlMontreal Pierre Elliott Trudeau Intl

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 18/7

1 stop26h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 22/7

1 stop7h 34m

C$ 453

Chicago MidwayMontreal Pierre Elliott Trudeau Intl

MDW - YUL

MDWYUL

Chicago Midway

Mon 7/10

1 stop9h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 12/10

1 stop13h 05m

C$ 472

Flights are sorted by cheapest first

Deals found on 13/5

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 14 May 2024.
Read through reviews of airlines operating flights from Illinois to Ontario, such as Air Canada, United Airlines and WestJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,144 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,144 reviews
Alaska Airlines
8.1
Very good
9,144 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,706 reviews
Alaska Airlines
8.1
Very good
9,144 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Aeromexico
7.6
Good
2,537 reviews
Alaska Airlines
8.1
Very good
9,144 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.6
Good
2,926 reviews
Alaska Airlines
8.1
Very good
9,144 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Porter Airlines
7.4
Good
416 reviews
Alaska Airlines
8.1
Very good
9,144 reviews
Check prices

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Illinois to Region of Ontario for under C$ 300 on Cheapflights?

    Yes, there are multiple flights from Illinois to Region of Ontario for under C$ 300. The cheapest flight booked recently is on Multiple Airlines for just C$ 254, but on average you can expect to pay C$ 306.

  • Are there direct flights from Illinois to Region of Ontario for under C$ 400 on Cheapflights?

    Cheapflights has 20 direct flights from Illinois to Region of Ontario under C$ 400. A good price for a direct flight from Illinois to Region of Ontario is less than C$ 350.

  • Are there last-minute flights available from Illinois to Region of Ontario for under C$ 400?

    There are currently 20+ open flights from Illinois to Region of Ontario within the next 7 days for less than C$ 400.

  • What days are direct flights available from Illinois to Region of Ontario?

    Days when direct flights are available for this flight are: Sunday, Thursday, Friday, Saturday.

  • How many flights depart from Illinois to Region of Ontario on average per day?

    Travellers can expect 16 flights from Illinois to Region of Ontario on average per day.
    Early Morning (Midnight to 6am) - 13% of flight departures
    Morning (6am - Midday) - 44% of flight departures
    Afternoon (Noon - 6pm) - 44% of flight departures

  • How long is the flight from Illinois to Region of Ontario?

    Departing from Illinois to Region of Ontario will take you 1h 42m. Airlines will cover a distance of 703 km. All flights are typically direct.

  • What does ORD to YYZ mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Toronto Pearson Intl Airport (YYZ). Codes like Toronto Pearson Intl Airport are often used to just call airports uniquely. Ottawa Airport (YOW), Toronto Island Airport (YTZ), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Illinois to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Ontario that include hotel bookings?

    Yes. In addition to deals on Illinois to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Ontario.

  • Can I find deals for business class flights from Illinois to Ontario?

    Yes. Cheapflights offers flight deals from Illinois to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Ontario that allow pets onboard?

    Many airlines flying from Illinois to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Ontario?

    Yes, you can often find last-minute deals on Illinois to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Region of Ontario flight deals updated?

    The Illinois to Region of Ontario flight deals you see on this page were last updated on 13/5.

See more FAQs

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Alternative routes for Illinois to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Illinois to Ontario

Discover the top 3 airlines that operate flights from Illinois to Ontario. 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 412,605 searches. Data last updated 14 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 201AverageC$ 468FlexibilityNo cancel feeOn-time67%
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United AirlinesCheapestC$ 272AverageC$ 513FlexibilityNo cancel feeOn-time69%
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Porter AirlinesCheapestC$ 298AverageC$ 521FlexibilityNo cancel feeOn-time52%
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Search flights from Illinois to Ontario by cabin class

Find flights from Illinois to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Illinois to Ontario

Find hourly flight availability from Illinois to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 May 2024.
4%of flight departuresEarly morningMidnight to 6 am
46%of flight departuresMorning6 am to noon
40%of flight departuresAfternoonNoon to 6 pm
10%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Illinois today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Illinois to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Illinois.

Can Cheapflights find flights from Illinois to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Illinois today and book when prices fit your budget.

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