HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$93+ Cheap flights from Chicago (CHI) 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YYZ
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Niagara Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Chicago to Niagara Falls are usually found in June or July, booked 68 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Chicago to Niagara Falls

Cheapest flights from Chicago to Niagara Falls
Explore the most affordable flight options available from Chicago to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This Mytrip deal was found by Cheapflights users on 3/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:45 am
ORD
-
YYZ
1 stop5h 53m
Air Canada
Tue 5/193:00 pm
YYZ
-
ORD
1 stop6h 08m
Air Canada
Deal found 3/28$221
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Thu 7/25:35 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Sun 7/58:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 3/31$222
This Gotogate deal was found by Cheapflights users on 3/29. 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.
Tue 4/219:50 am
ORD
-
YYZ
Nonstop1h 36m
Air Canada
Wed 4/224:50 pm
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 3/29$223
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:52 pm
ORD
-
YYZ
Nonstop1h 54m
United Airlines
Fri 4/177:00 pm
YYZ
-
ORD
1 stop5h 37m
United Airlines
Deal found 3/28$224
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Sun 6/285:35 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Fri 7/312:25 pm
YYZ
-
ORD
Nonstop1h 57m
Air Canada
Deal found 3/30$225
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Tue 6/238:40 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Wed 7/12:00 pm
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 3/31$227
This United Airlines deal was found by Cheapflights users on 3/29. 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 6/262:56 pm
ORD
-
YYZ
Nonstop2h 00m
United Airlines
Sun 6/2811:00 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 3/29$228
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:40 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Mon 6/2912:25 pm
YYZ
-
ORD
Nonstop1h 57m
Air Canada
Deal found 3/27$229
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Mon 7/208:40 pm
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Sat 7/254:00 pm
YYZ
-
ORD
1 stop5h 05m
Air Canada
Deal found 3/31$230
This Air Canada deal was found by Cheapflights users on 3/30. 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 7/39:50 am
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Fri 7/106:15 am
YYZ
-
ORD
1 stop5h 01m
Air Canada
Deal found 3/30$231
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 5/279:15 pm
ORD
-
YYZ
Nonstop1h 44m
United Airlines
Sun 6/77:00 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 3/31$232
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/169:05 am
ORD
-
YYZ
Nonstop1h 44m
United Airlines
Sat 4/188:50 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 3/29$233

Find flight deals from Chicago to Niagara Falls

Keep the following information in mind while searching for Chicago to Niagara Falls flight deals. Data was last updated April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Mytrip)

One-way from

$93
(Air Canada)

Popular in

March

Cheapest in

June

Average price

$279
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 Chicago (CHI) to Niagara Falls
Search Deals
One-way flight from Chicago (CHI) to Niagara Falls
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 1, 2026.
Use the filters below to find and compare flights from Chicago 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

Sat 7/4

5:55 pm-8:44 pm

Nonstop1h 49m

Toronto Pearson Intl

Tue 7/7

11:00 am-12:00 pm

Nonstop2h 00m

$228

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/1

5:57 pm-8:44 pm

Nonstop1h 47m

Toronto Pearson Intl

Sun 5/3

7:00 am-8:00 am

Nonstop2h 00m

$232
Quickest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 4/28

9:05 am-11:49 am

Nonstop1h 44m

Toronto Pearson Intl

Tue 5/5

2:45 pm-3:43 pm

Nonstop1h 58m

$232

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 6/19

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Sun 6/21

11:00 am-12:00 pm

Nonstop2h 00m

$232

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 6/18

7:09 am-9:54 am

Nonstop1h 45m

Toronto Pearson Intl

Sun 6/21

7:00 am-8:00 am

Nonstop2h 00m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 7/11

4:00 pm-10:23 pm

1 stop5h 23m

Toronto Pearson Intl

Sun 7/19

10:15 am-11:21 am

Nonstop2h 06m

$238

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 4/29

6:00 am-11:43 am

1 stop4h 43m

Toronto Pearson Intl

Sat 5/16

8:50 am-9:50 am

Nonstop2h 00m

$242

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/1

8:52 am-3:20 pm

1 stop5h 28m

Toronto Pearson Intl

Sun 5/3

2:15 pm-6:52 pm

1 stop5h 37m

$247

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 5/13

3:47 pm-11:14 pm

1 stop6h 27m

Toronto Pearson Intl

Wed 5/20

12:09 pm-4:29 pm

1 stop5h 20m

$247

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 7/9

12:27 pm-6:34 pm

1 stop5h 07m

Toronto Pearson Intl

Tue 7/14

2:24 pm-6:29 pm

1 stop5h 05m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 46 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Chicago to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Chicago 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 Chicago to Niagara Falls

How far ahead should I book a flight from Chicago to Niagara Falls?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Niagara Falls. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Chicago to Niagara Falls, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Chicago to Niagara Falls (average of $78). Flying from Chicago to Niagara Falls in February is currently the most expensive (average of $189). 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 CHI to NI4?

Find hourly flight availability from Chicago 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 1, 2026.

It’s typically best to fly out from Chicago to Niagara Falls in the morning. Doing so could potentially save you 52% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Niagara Falls. Price data was last updated on March 28, 2026.

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

Weekly flight availability from Chicago to Niagara Falls

Explore weekly flight availability from Chicago 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 1, 2026.

The most flights from CHI to NI4 are scheduled on a Wednesday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

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

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 1, 2026.
See what other customers who have flown with United Airlines,American Airlines, andAir Canada from Chicago to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,530 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,530 reviews
United Airlines
7.4
Good
9,530 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,545 reviews
United Airlines
7.4
Good
9,530 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,873 reviews
United Airlines
7.4
Good
9,530 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Niagara Falls?

    Departing from Chicago to Niagara Falls will take you 1h 49m. The distance from Chicago to Niagara Falls is about 436 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $64. Users have also found prices from $69 and $74 on United Airlines and American Airlines, respectively.

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

    Consider Korean Air (88%), Republic Airways (72%) or Alaska Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Niagara Falls.

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

    Looking for the cheapest flight from Chicago to Niagara Falls? While on average our users pay $1,343, our data indicates the cheapest price to be $107. The most popular route (Chicago O'Hare Intl - Toronto Pearson Intl), is priced around $210.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Niagara Falls?

    Currently, March is the cheapest month in which you can book a flight from Chicago to Niagara Falls (average of $78). Flying from Chicago to Niagara Falls in February is currently the most expensive (average of $189). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Chicago to Niagara Falls

Discover the top 7 airlines that operate flights from Chicago 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$303FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$105Average$235FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$145Average$286FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$160Average$403FlexibilityNo cancel feeOn-time74%
WestJetCheapest$170Average$319FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$172Average$316FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$213Average$354FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.