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Niagara Falls

$75+ Cheap flights from Illinois to Niagara Falls, Canada

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
1 adult, Economy
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Cheap flight deals from Illinois to Niagara Falls

Keep the following information in mind while searching for Illinois to Niagara Falls flight deals. Data was last updated August 26, 2025.

Round-trip from

$166
(Flightnetwork)

One-way from

$75
(Air Canada)

Popular in

November

Cheapest in

July

Average price

$277
From Illinois to Niagara Falls
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One-way flight from Illinois to Niagara Falls
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Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Illinois to Niagara Falls

Cheapest flights from Illinois to Niagara Falls
Explore the most affordable flight options available from Illinois to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2025.

This Flightnetwork deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:25 pmORD - YYZ
Nonstop1h 43mAir Canada
Wed 10/156:35 pmYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 8/24$166
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:20 pmORD - YYZ
Nonstop1h 39mUnited Airlines
Thu 11/68:55 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 8/24$167
This Flightnetwork deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:55 amORD - YYZ
Nonstop1h 43mAir Canada
Sun 10/58:20 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 8/25$170
This eDestinos deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:25 pmORD - YYZ
Nonstop1h 43mAir Canada
Sun 10/128:20 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 8/24$173
This Mytrip deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:25 pmORD - YYZ
Nonstop1h 43mAir Canada
Thu 10/166:35 pmYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 8/24$175
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:39 pmORD - YYZ
1 stop8h 07mUnited Airlines
Sun 11/96:52 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 8/24$177
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:35 amMDW - YYZ
1 stop6h 48mDelta
Sun 10/512:15 pmYYZ - MDW
1 stop7h 20mDelta
Deal found 8/25$233
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:57 amSTL - YYZ
1 stop26h 08mMultiple Airlines
Wed 10/2911:15 amYYZ - STL
1 stop23h 47mMultiple Airlines
Deal found 8/25$243
This Bravofly deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:20 amMDW - YYZ
1 stop12h 58mWestJet
Wed 10/156:00 pmYYZ - MDW
1 stop5h 14mWestJet
Deal found 8/24$249
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:35 amMDW - YYZ
1 stop6h 44mDelta
Tue 10/1412:15 pmYYZ - MDW
1 stop7h 10mDelta
Deal found 8/25$250
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:57 amSTL - YYZ
1 stop26h 08mMultiple Airlines
Wed 10/2911:15 amYYZ - STL
1 stop23h 47mMultiple Airlines
Deal found 8/25$251
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:57 amSTL - YYZ
1 stop26h 08mMultiple Airlines
Mon 10/2711:15 amYYZ - STL
1 stop23h 47mMultiple Airlines
Deal found 8/24$258

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Niagara Falls 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 2,558,603 searches. Data last updated August 26, 2025.
Use the filters below to find and compare flights from Illinois to Niagara Falls that are best for you.

Fly from

Illinois

Fly to

Niagara Falls

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 11/20

2:00 pm-4:39 pm

Nonstop1h 39m

Toronto Pearson Intl

Sun 11/23

6:30 pm-7:30 pm

Nonstop2h 00m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 11/2

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Tue 11/4

8:55 am-10:00 am

Nonstop2h 05m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 11/12

2:00 pm-4:39 pm

Nonstop1h 39m

Toronto Pearson Intl

Sat 11/15

4:30 pm-5:28 pm

Nonstop1h 58m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 11/1

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Mon 11/3

8:55 am-10:00 am

Nonstop2h 05m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 11/22

8:15 pm-10:54 pm

Nonstop1h 39m

Toronto Pearson Intl

Sun 11/23

12:05 pm-1:01 pm

Nonstop1h 56m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 11/3

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Wed 11/5

8:55 am-10:00 am

Nonstop2h 05m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 11/21

8:15 pm-10:54 pm

Nonstop1h 39m

Toronto Pearson Intl

Wed 11/26

12:05 pm-1:01 pm

Nonstop1h 56m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 11/2

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Wed 11/5

8:55 am-10:00 am

Nonstop2h 05m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 11/21

8:15 pm-10:54 pm

Nonstop1h 39m

Toronto Pearson Intl

Tue 11/25

8:15 am-9:13 am

Nonstop1h 58m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 11/5

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Fri 11/7

8:55 am-10:00 am

Nonstop2h 05m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Showing 1-10 of 57 results
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Best time to book a flight from Illinois to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Niagara Falls

What is the cheapest month to book a flight from Illinois to Niagara Falls?

Currently, January is the cheapest month in which you can book a flight from Illinois to Niagara Falls (average of $243). Flying from Illinois to Niagara Falls in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to NI4?

Find hourly flight availability from Illinois to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2025.

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

Weekly flight availability from Illinois to Niagara Falls

Explore weekly flight availability from Illinois to Niagara Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 26, 2025.

The most flights from USIL to NI4 are scheduled on a Monday (63 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (56 on average).

Related info for your journey

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

  • How long is the flight from Illinois to Niagara Falls?

    Departing from Illinois to Niagara Falls will take you 1h 39m. Airlines will cover a distance of 436 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Niagara Falls one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $75. American Airlines flights start at $75 while deals on Delta start at $89 one-way.

  • What are the most popular routes from Illinois to Niagara Falls?

    The most popular flight routes from Illinois to Niagara Falls are Chicago O'Hare Intl - Toronto Pearson Intl, Chicago Midway - Toronto Pearson Intl and Lambert-St Louis - Toronto Pearson Intl.

  • What are the most reliable airlines from Illinois to Niagara Falls?

    Before booking your flight to Niagara Falls from Illinois, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (86%), Japan Airlines (82%), Envoy Air( 80%).

  • What are the cheapest flights from Illinois to Niagara Falls?

    The cheapest flight price from Illinois to Niagara Falls is $74. On average you can expect to pay $939. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $156.

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

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

  • How can I find direct flights from Illinois to Niagara Falls?

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

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

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

  • What is the cheapest month to book a flight from Illinois to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Niagara Falls (average of $243). Flying from Illinois to Niagara Falls in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Niagara Falls

Discover the top 4 airlines that operate flights from Illinois to Niagara Falls. 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 2,558,603 searches. Data last updated August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$118Average$273FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$146Average$315FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$187Average$264FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$219Average$392FlexibilityNo cancel feeOn-time71%

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