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Niagara Falls

$102+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$171
(Booking.com)

One-way from

$102
(Air Canada)

Popular in

November

Cheapest in

July

Average price

$335
Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Toronto (YTO) flights.
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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. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Booking.com deal was found by Cheapflights users on 4/23. 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.
Thu 5/152:00 pmORD - YYZ
Nonstop1h 42mAir Canada
Sun 5/186:15 amYYZ - ORD
1 stop6h 17mAir Canada
Deal found 4/23$171
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 6/289:31 pmORD - YYZ
1 stop13h 20mUnited Airlines
Sun 6/292:10 pmYYZ - ORD
Nonstop1h 54mUnited Airlines
Deal found 4/23$175
This Kissandfly.com deal was found by Cheapflights users on 4/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/154:41 pmORD - YYZ
Nonstop1h 56mLufthansa
Sun 5/1811:00 amYYZ - ORD
Nonstop2h 03mLufthansa
Deal found 4/23$197
This United deal was found by Cheapflights users on 4/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2711:15 amORD - YYZ
1 stop8h 08mMultiple Airlines
Sat 5/312:00 pmYYZ - ORD
1 stop5h 53mMultiple Airlines
Deal found 4/23$204
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:25 pmORD - YYZ
Nonstop1h 50mAmerican Airlines
Sun 5/186:20 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 4/24$216
This Delta deal was found by Cheapflights users on 4/23. 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 5/316:24 amORD - YYZ
1 stop4h 16mDelta
Tue 6/32:30 pmYYZ - ORD
1 stop9h 11mDelta
Deal found 4/23$233
This Delta deal was found by Cheapflights users on 4/22. 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 6/46:25 pmMDW - YYZ
1 stop3h 33mDelta
Wed 6/1110:11 amYYZ - MDW
1 stop3h 18mDelta
Deal found 4/22$233
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/225:00 amSTL - YYZ
1 stop11h 35mAmerican Airlines
Thu 5/293:10 pmYYZ - STL
1 stop9h 41mAmerican Airlines
Deal found 4/23$334
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Wed 5/2812:48 pmMDW - YYZ
1 stop8h 08mWestJet
Sat 5/316:30 amYYZ - MDW
1 stop7h 45mWestJet
Deal found 4/23$345
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/277:10 amORD - YYZ
1 stop3h 15mWestJet
Fri 6/63:50 pmYYZ - ORD
1 stop3h 47mWestJet
Deal found 4/23$349
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/89:50 amSTL - YYZ
2 stops10h 18mMultiple Airlines
Fri 5/97:00 amYYZ - STL
3 stops27h 15mMultiple Airlines
Deal found 4/23$368
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/96:30 amSTL - YYZ
1 stop8h 16mUnited Airlines
Mon 6/99:00 pmYYZ - STL
1 stop19h 30mUnited Airlines
Deal found 4/23$396

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 April 24, 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 5/15

2:00 pm-4:42 pm

Nonstop1h 42m

Toronto Pearson Intl

Sun 5/18

6:15 am-11:32 am

1 stop6h 17m

$171

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/28

9:31 pm-11:51 am

1 stop13h 20m

Toronto Pearson Intl

Sun 6/29

2:10 pm-3:04 pm

Nonstop1h 54m

$175

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 5/15

4:41 pm-7:37 pm

Nonstop1h 56m

Toronto Pearson Intl

Sun 5/18

11:00 am-12:03 pm

Nonstop2h 03m

$197

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 5/27

11:15 am-8:23 pm

1 stop8h 08m

Toronto Pearson Intl

Sat 5/31

2:00 pm-6:53 pm

1 stop5h 53m

$204

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/16

8:25 pm-11:15 pm

Nonstop1h 50m

Toronto Pearson Intl

Sun 5/18

6:20 pm-7:15 pm

Nonstop1h 55m

$216

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 5/31

6:24 am-11:40 am

1 stop4h 16m

Toronto Pearson Intl

Mon 6/9

1:04 pm-7:32 pm

1 stop7h 28m

$233

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 6/4

6:25 pm-10:58 pm

1 stop3h 33m

Toronto Pearson Intl

Wed 6/11

1:04 pm-5:40 pm

1 stop5h 36m

$233

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 5/22

5:00 am-5:35 pm

1 stop11h 35m

Toronto Pearson Intl

Thu 5/29

3:10 pm-11:51 pm

1 stop9h 41m

$334

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 5/28

12:48 pm-9:56 pm

1 stop8h 08m

Toronto Pearson Intl

Sat 5/31

6:30 am-1:15 pm

1 stop7h 45m

$345

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 5/27

7:10 am-11:25 am

1 stop3h 15m

Toronto Pearson Intl

Fri 6/6

3:50 pm-6:37 pm

1 stop3h 47m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 37 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 July is currently the most expensive (average of $359). 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 April 24, 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 April 24, 2025.

The most flights from USIL to NI4 are scheduled on a Tuesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

Rainfall in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

Temperature in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Niagara Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated April 24, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Illinois to Niagara Falls have to say. 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
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $102. United Airlines flights start at $106 while deals on Delta start at $106 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: Sun Country Air (100%), Finnair (100%), Korean Air( 86%).

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

    The cheapest flight price from Illinois to Niagara Falls is $111. On average you can expect to pay $795. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $167.

  • 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 July is currently the most expensive (average of $359). 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$120Average$306FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$122Average$286FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$125Average$363FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$174Average$354FlexibilityNo cancel feeOn-time69%

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