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Niagara Falls

$86+ Cheap flights from Illinois to Niagara Falls, ON, 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/27. 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 2/198:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Mon 2/236:40 pm
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 1/27$189
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:50 am
ORD
-
YYZ
Nonstop1h 42m
Air Canada
Tue 4/286:30 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 1/27$192
This Flightnetwork deal was found by Cheapflights users on 1/28. 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.
Sat 3/1410:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Sat 3/2110:00 am
YYZ
-
ORD
1 stop5h 55m
Air Canada
Deal found 1/28$193
This Flightnetwork deal was found by Cheapflights users on 1/26. 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.
Fri 3/138:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Mon 3/168:15 am
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Deal found 1/26$198
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 2/253:49 pm
STL
-
YYZ
1 stop18h 37m
Multiple Airlines
Wed 3/47:15 am
YYZ
-
STL
1 stop16h 12m
Multiple Airlines
Deal found 1/28$218
This Delta deal was found by Cheapflights users on 1/26. 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.
Tue 2/176:20 pm
MDW
-
YYZ
1 stop3h 20m
Delta
Wed 2/2510:05 am
YYZ
-
MDW
1 stop3h 41m
Delta
Deal found 1/26$247
This Delta deal was found by Cheapflights users on 1/28. 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 2/191:49 pm
MDW
-
YYZ
1 stop8h 22m
Delta
Mon 2/2310:05 am
YYZ
-
MDW
1 stop8h 32m
Delta
Deal found 1/28$248
This Delta deal was found by Cheapflights users on 1/28. 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 5/229:30 am
MDW
-
YYZ
1 stop6h 53m
Delta
Mon 5/2512:15 pm
YYZ
-
MDW
1 stop7h 16m
Delta
Deal found 1/28$254
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 2/183:49 pm
STL
-
YYZ
1 stop7h 25m
Multiple Airlines
Fri 2/207:10 am
YYZ
-
STL
1 stop18h 17m
Multiple Airlines
Deal found 1/27$260
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 2/282:51 pm
STL
-
YYZ
2 stops38h 52m
Multiple Airlines
Wed 3/48:20 pm
YYZ
-
STL
1 stop28h 39m
Multiple Airlines
Deal found 1/27$267
This CheapTicketsDeal deal was found by Cheapflights users on 1/28. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:34 am
MDW
-
YYZ
1 stop5h 36m
JetBlue
Tue 3/106:20 am
YYZ
-
MDW
1 stop3h 33m
JetBlue
Deal found 1/28$268
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/33:49 pm
STL
-
YYZ
1 stop7h 25m
Multiple Airlines
Tue 3/177:10 am
YYZ
-
STL
1 stop17h 09m
Multiple Airlines
Deal found 1/27$273

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Mytrip)

One-way from

$86
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$309
Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Toronto (YTO) flights.
Search Deals
From Illinois to Niagara Falls
Search Deals
One-way flight from Illinois to Niagara Falls
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Wed 3/18

1:12 pm-4:02 pm

Nonstop1h 50m

Toronto Pearson Intl

Wed 3/18

7:40 pm-11:44 pm

1 stop5h 04m

$213

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 3/13

8:40 pm-11:19 pm

Nonstop1h 39m

Toronto Pearson Intl

Sun 3/15

6:40 pm-7:45 pm

Nonstop2h 05m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 4/10

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Sun 4/12

1:00 pm-2:01 pm

Nonstop2h 01m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 3/12

10:00 am-12:40 pm

Nonstop1h 40m

Toronto Pearson Intl

Sun 3/15

6:40 pm-7:45 pm

Nonstop2h 05m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 2/17

4:47 pm-7:45 pm

Nonstop1h 58m

Toronto Pearson Intl

Thu 2/19

5:30 pm-6:40 pm

Nonstop2h 10m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 3/13

6:25 pm-9:18 pm

Nonstop1h 53m

Toronto Pearson Intl

Sun 3/15

8:45 am-9:50 am

Nonstop2h 05m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 4/4

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Mon 4/6

8:50 am-9:50 am

Nonstop2h 00m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 3/30

9:05 am-11:49 am

Nonstop1h 44m

Toronto Pearson Intl

Wed 4/1

8:50 am-9:50 am

Nonstop2h 00m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 3/30

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Thu 4/2

1:00 pm-2:00 pm

Nonstop2h 00m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 3/28

9:15 pm-11:58 pm

Nonstop1h 43m

Toronto Pearson Intl

Tue 3/31

10:15 am-11:18 am

Nonstop2h 03m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 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, March is the cheapest month in which you can book a flight from Illinois to Niagara Falls (average of $79). Flying from Illinois to Niagara Falls in January is currently the most expensive (average of $177). 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 January 29, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 34% on flights from Illinois to Niagara Falls by exploring options for tickets in the morning.

What is the cheapest day to fly from Illinois to Niagara Falls?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Niagara Falls. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Illinois to Niagara Falls flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 29, 2026.

The most flights from USIL to NI4 are scheduled on a Thursday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

How much does it cost to fly round-trip from Illinois to Niagara Falls?

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 50m. 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 $64. United Airlines flights start at $64 while deals on Porter Airlines start at $73 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: Korean Air (88%), Alaska Airlines (73%), Japan Airlines( 72%).

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

    The cheapest flight price from Illinois to Niagara Falls is $85. On average you can expect to pay $1,329. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $205.

  • 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, March is the cheapest month in which you can book a flight from Illinois to Niagara Falls (average of $79). Flying from Illinois to Niagara Falls in January is currently the most expensive (average of $177). 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.

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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 5 airlines flying from Illinois to Niagara Falls

Discover the top 5 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$359FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$100Average$237FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$109Average$351FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$140Average$287FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$359FlexibilityNo cancel feeOn-time71%

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