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Niagara Falls

$70+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Jul 28 — Aug 41
Mon 7/28
Mon 8/4
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 July 23, 2025.

Round-trip from

$175
(Booking.com)

One-way from

$70
(Gotogate)

Popular in

November

Cheapest in

August

Average price

$268
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 ($24 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 July 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 July 23, 2025.

This Trip.com deal was found by Cheapflights users on 7/21. 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.
Mon 11/33:07 pmORD - YYZ
1 stop5h 17mUnited Airlines
Tue 11/47:40 pmYYZ - ORD
1 stop5h 03mUnited Airlines
Deal found 7/21$174
This Booking.com deal was found by Cheapflights users on 7/21. 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.
Sun 9/149:55 amORD - YYZ
Nonstop1h 42mAir Canada
Sat 9/208:15 amYYZ - ORD
Nonstop1h 53mAir Canada
Deal found 7/21$175
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 11/95:00 amORD - YYZ
1 stop5h 03mAmerican Airlines
Thu 11/131:14 pmYYZ - ORD
Nonstop2h 00mAmerican Airlines
Deal found 7/21$195
This Delta deal was found by Cheapflights users on 7/21. 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.
Mon 9/159:10 amORD - YYZ
1 stop7h 13mDelta
Sat 9/206:13 pmYYZ - ORD
1 stop4h 21mDelta
Deal found 7/21$233
This Delta deal was found by Cheapflights users on 7/21. 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 9/109:30 amMDW - YYZ
1 stop3h 02mDelta
Wed 9/174:12 pmYYZ - MDW
1 stop3h 23mDelta
Deal found 7/21$233
This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:43 pmMDW - YYZ
1 stop10h 16mWestJet
Mon 8/181:20 pmYYZ - MDW
1 stop9h 24mWestJet
Deal found 7/23$303
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:23 amSTL - YYZ
1 stop9h 20mAmerican Airlines
Wed 9/1011:44 amYYZ - STL
1 stop9h 48mAmerican Airlines
Deal found 7/22$345
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:00 pmSTL - YYZ
2 stops9h 08mMultiple Airlines
Fri 9/128:15 amYYZ - STL
2 stops9h 20mMultiple Airlines
Deal found 7/22$412
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 9/43:20 pmSTL - YYZ
1 stop7h 38mUnited Airlines
Thu 9/117:00 amYYZ - STL
1 stop8h 19mUnited Airlines
Deal found 7/23$428
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 9/306:00 amMLI - YYZ
1 stop10h 43mAmerican Airlines
Tue 10/711:44 amYYZ - MLI
1 stop7h 18mAmerican Airlines
Deal found 7/21$433
This Delta deal was found by Cheapflights users on 7/22. 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.
Fri 9/512:00 pmSTL - YYZ
1 stop10h 43mDelta
Tue 9/96:15 amYYZ - STL
1 stop16h 14mDelta
Deal found 7/22$470
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/69:15 amSTL - YYZ
Nonstop1h 56mAir Canada
Sat 9/132:15 pmYYZ - STL
Nonstop2h 03mAir Canada
Deal found 7/23$480

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 July 23, 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

Sun 9/14

9:55 am-12:37 pm

Nonstop1h 42m

Toronto Pearson Intl

Sat 9/20

8:15 am-9:08 am

Nonstop1h 53m

$175

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 9/12

8:50 am-5:14 pm

1 stop7h 24m

Toronto Pearson Intl

Fri 9/12

9:00 pm-10:07 pm

Nonstop2h 07m

$186

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 10/3

8:30 pm-11:25 pm

Nonstop1h 55m

Toronto Pearson Intl

Sun 10/5

5:17 pm-11:48 pm

1 stop7h 31m

$215

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 9/15

9:10 am-5:23 pm

1 stop7h 13m

Toronto Pearson Intl

Sat 9/20

6:13 pm-9:34 pm

1 stop4h 21m

$233

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 9/10

9:30 am-1:32 pm

1 stop3h 02m

Toronto Pearson Intl

Wed 9/17

4:12 pm-6:35 pm

1 stop3h 23m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 9/4

10:43 am-5:19 pm

1 stop5h 36m

Toronto Pearson Intl

Wed 9/10

6:15 am-9:51 am

1 stop4h 36m

$236

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Fri 8/15

12:43 pm-11:59 pm

1 stop10h 16m

Toronto Pearson Intl

Mon 8/18

1:20 pm-9:44 pm

1 stop9h 24m

$303

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 9/3

7:23 am-5:43 pm

1 stop9h 20m

Toronto Pearson Intl

Wed 9/10

11:44 am-8:32 pm

1 stop9h 48m

$345

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 9/5

1:00 pm-11:08 pm

2 stops9h 08m

Toronto Pearson Intl

Fri 9/12

8:15 am-4:35 pm

2 stops9h 20m

$412

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 9/4

3:20 pm-11:58 pm

1 stop7h 38m

Toronto Pearson Intl

Thu 9/11

7:00 am-2:19 pm

1 stop8h 19m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 40 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 July 23, 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 July 23, 2025.

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

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 July 23, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Illinois to Niagara Falls to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,873 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,962 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,786 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $70. United Airlines flights start at $75 while deals on American Airlines start at $88 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 (91%), Envoy Air (84%), Japan Airlines( 80%).

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

    The cheapest flight price from Illinois to Niagara Falls is $69. On average you can expect to pay $1,364. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $155.

  • 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.

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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 July 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$109Average$294FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$119Average$370FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$144Average$318FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$192Average$376FlexibilityNo cancel feeOn-time71%

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