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Niagara Falls

$100+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
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 June 6, 2026.

This Mytrip deal was found by Cheapflights users on 6/5. 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.
Wed 9/92:15 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Sat 9/126:50 pm
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Deal found 6/5$229
This Mytrip deal was found by Cheapflights users on 6/1. 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.
Sat 6/205:35 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Mon 6/222:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/1$230
This Booking.com deal was found by Cheapflights users on 6/2. 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.
Wed 9/233:45 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Fri 9/252:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/2$233
This Booking.com deal was found by Cheapflights users on 6/1. 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.
Wed 6/248:40 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Thu 6/252:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/1$240
This Booking.com deal was found by Cheapflights users on 6/2. 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 9/13:45 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Mon 9/72:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/2$241
This Trip.com deal was found by Cheapflights users on 6/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:40 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Sun 6/2112:25 pm
YYZ
-
ORD
Nonstop1h 57m
Air Canada
Deal found 6/1$244
This Gotogate deal was found by Cheapflights users on 6/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:15 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Sun 6/288:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/4$253
This Air Canada deal was found by Cheapflights users on 6/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:45 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Wed 9/162:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/2$254
This Mytrip deal was found by Cheapflights users on 6/6. 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.
Sat 6/272:15 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Mon 6/292:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/6$260
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:24 am
MDW
-
YYZ
1 stop7h 00m
Delta
Mon 9/712:09 pm
YYZ
-
MDW
1 stop7h 24m
Delta
Deal found 6/2$284
This Delta deal was found by Cheapflights users on 6/1. 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.
Wed 9/99:30 am
MDW
-
YYZ
1 stop6h 53m
Delta
Tue 9/1512:08 pm
YYZ
-
MDW
1 stop7h 25m
Delta
Deal found 6/1$301
This Delta deal was found by Cheapflights users on 6/1. 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.
Sat 6/209:17 am
MDW
-
YYZ
1 stop7h 07m
Delta
Tue 6/239:45 am
YYZ
-
MDW
1 stop4h 01m
Delta
Deal found 6/1$302

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 June 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(Mytrip)

One-way from

$100
(Air Canada)

Popular in

April

Cheapest in

September

Average price

$265
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. 5% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 6, 2026.
Use the filters below to find and compare flights from Illinois to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 9/17

7:01 am-3:15 pm

1 stop7h 14m

Toronto Pearson Intl

Sun 9/20

6:00 am-1:04 pm

1 stop8h 04m

$301

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Fri 9/11

1:00 pm-5:23 pm

1 stop3h 23m

Toronto Pearson Intl

Sun 9/13

6:00 am-12:30 pm

1 stop7h 30m

$301

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/20

2:35 pm-11:02 pm

1 stop7h 27m

Toronto Pearson Intl

Mon 6/22

2:29 pm-8:31 pm

1 stop7h 02m

$302

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/20

5:22 pm-11:02 pm

1 stop4h 40m

Toronto Pearson Intl

Wed 6/24

2:29 pm-6:29 pm

1 stop5h 00m

$302

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/20

6:30 am-7:02 pm

1 stop11h 32m

Toronto Pearson Intl

Sat 6/27

8:45 am-9:45 am

Nonstop2h 00m

$319

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Tue 9/15

9:30 am-5:20 pm

1 stop6h 50m

Toronto Pearson Intl

Fri 9/18

6:00 am-12:34 pm

1 stop7h 34m

$322

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/20

5:55 pm-8:44 pm

Nonstop1h 49m

Toronto Pearson Intl

Mon 6/29

12:45 pm-8:32 pm

1 stop8h 47m

$324
Quickest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 6/18

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Sun 6/21

7:00 am-8:00 am

Nonstop2h 00m

$332

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Tue 8/18

1:27 pm-10:59 pm

1 stop8h 32m

Toronto Pearson Intl

Sun 8/23

6:10 am-9:17 am

1 stop4h 07m

$344

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 7/15

9:19 am-1:34 pm

1 stop3h 15m

Toronto Pearson Intl

Sat 7/18

12:09 pm-6:07 pm

1 stop6h 58m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 June 6, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from Illinois to Niagara Falls by exploring options for tickets in the morning.

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 June 6, 2026.

The most flights from USIL to NI4 are scheduled on a Thursday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

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

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 May 30, 2026.

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

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 49m. 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 $69 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 (93%), Qantas Airways (85%), Alaska Airlines( 84%).

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

    The cheapest flight price from Illinois to Niagara Falls is $112. On average you can expect to pay $1,219. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $254.

  • 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.

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.
Newark to Pearson Intl flights
Newark to Toronto Island flights
LaGuardia to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
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John F Kennedy Intl to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
Los Angeles to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
Baltimore to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Atlanta to Pearson Intl flights
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Boston to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
O'Hare Intl to Toronto Island flights
Miami to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
Midway to Toronto Island flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Midway to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
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Tampa to Pearson Intl flights
Denver to Pearson Intl flights
San Francisco to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Miami to Pearson Intl flights

Top 7 airlines flying from Illinois to Niagara Falls

Discover the top 7 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 June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$303FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$111Average$268FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$160Average$403FlexibilityNo cancel feeOn-time74%
WestJetCheapest$170Average$319FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$174Average$370FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$188Average$305FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$209Average$367FlexibilityNo cancel feeOn-time71%

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