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Niagara Falls

$86+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YYZ
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Niagara Falls are usually found in November or June, 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 February 3, 2026.

This Booking.com deal was found by Cheapflights users on 2/1. 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.
Tue 6/23:45 pm
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Sun 6/74:00 pm
YYZ
-
ORD
Nonstop1h 59m
Air Canada
Deal found 2/1$198
This Booking.com deal was found by Cheapflights users on 2/3. 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.
Sat 5/238:20 pm
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Mon 5/256:25 pm
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 2/3$199
This Booking.com deal was found by Cheapflights users on 2/2. 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.
Thu 2/268:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Sun 3/112:05 pm
YYZ
-
ORD
Nonstop1h 56m
Air Canada
Deal found 2/2$202
This Flightnetwork deal was found by Cheapflights users on 1/31. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Wed 3/254:50 pm
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Deal found 1/31$209
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/118:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Sun 3/1512:05 pm
YYZ
-
ORD
Nonstop1h 56m
Air Canada
Deal found 2/3$215
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:00 pm
ORD
-
YYZ
1 stop10h 20m
Multiple Airlines
Mon 4/138:00 pm
YYZ
-
ORD
1 stop11h 47m
Multiple Airlines
Deal found 2/1$218
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/319:15 pm
ORD
-
YYZ
Nonstop1h 44m
United Airlines
Sun 4/511:00 am
YYZ
-
ORD
Nonstop2h 03m
United Airlines
Deal found 2/3$236
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 4/16:10 pm
ORD
-
YYZ
1 stop24h 45m
Multiple Airlines
Wed 4/156:30 am
YYZ
-
ORD
1 stop15h 47m
Multiple Airlines
Deal found 2/3$241
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/139:35 am
MDW
-
YYZ
1 stop6h 42m
Delta
Sun 3/156:20 am
YYZ
-
MDW
1 stop7h 09m
Delta
Deal found 2/2$261
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Tue 6/231:00 pm
MDW
-
YYZ
1 stop3h 23m
WestJet
Sun 6/286:00 am
YYZ
-
MDW
1 stop3h 42m
WestJet
Deal found 2/3$330
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 2/221:49 pm
MDW
-
YYZ
1 stop8h 22m
Delta
Fri 2/276:10 am
YYZ
-
MDW
1 stop3h 44m
Delta
Deal found 2/1$331
This Justfly.com deal was found by Cheapflights users on 2/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:31 am
MDW
-
YYZ
2 stops13h 28m
WestJet
Sat 5/26:10 am
YYZ
-
MDW
1 stop3h 37m
WestJet
Deal found 2/2$332

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Booking.com)

One-way from

$87
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$327
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. 14% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 3, 2026.
Use the filters below to find and compare flights from Chicago to Niagara Falls that are best for you.

Fly from

Chicago

Fly to

Niagara Falls

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 3/28

9:15 pm-11:58 pm

Nonstop1h 43m

Toronto Pearson Intl

Thu 4/2

8:50 am-9:50 am

Nonstop2h 00m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 3/31

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Sat 4/4

8:50 am-9:50 am

Nonstop2h 00m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 3/13

6:25 pm-9:18 pm

Nonstop1h 53m

Toronto Pearson Intl

Wed 3/18

9:00 pm-10:04 pm

Nonstop2h 04m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 3/8

1:12 pm-4:02 pm

Nonstop1h 50m

Toronto Pearson Intl

Mon 3/9

9:00 pm-10:04 pm

Nonstop2h 04m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 4/2

5:57 pm-8:44 pm

Nonstop1h 47m

Toronto Pearson Intl

Fri 4/3

11:00 am-12:03 pm

Nonstop2h 03m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 4/1

2:58 pm-5:56 pm

Nonstop1h 58m

Toronto Pearson Intl

Wed 4/15

1:00 pm-2:01 pm

Nonstop2h 01m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 3/16

7:10 am-9:58 am

Nonstop1h 48m

Toronto Pearson Intl

Mon 3/23

9:00 pm-10:04 pm

Nonstop2h 04m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 3/28

9:15 pm-11:58 pm

Nonstop1h 43m

Toronto Pearson Intl

Sat 4/4

7:00 am-8:03 am

Nonstop2h 03m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 3/12

7:10 am-9:58 am

Nonstop1h 48m

Toronto Pearson Intl

Sun 3/15

8:45 am-9:50 am

Nonstop2h 05m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 3/30

9:05 am-11:49 am

Nonstop1h 44m

Toronto Pearson Intl

Sun 4/5

10:15 am-11:18 am

Nonstop2h 03m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 32 results
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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 January 30, 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, October is the cheapest month in which you can book a flight from Chicago to Niagara Falls (average of $85). Flying from Chicago 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 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 February 3, 2026.

It’s typically best to fly out from Chicago to Niagara Falls in the morning. Doing so could potentially save you 40% 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 January 31, 2026.

Travelers seeking maximum savings on their Chicago to Niagara Falls flight should consider departing on Monday mornings 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 February 3, 2026.

The most flights from CHI to NI4 are scheduled on a Monday (64 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 February 3, 2026.
See what other customers who have flown with United Airlines, American Airlines, and Air 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
9,236 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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
7.2
Good
11,218 reviews
United Airlines
7.4
Good
9,236 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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
10,684 reviews
United Airlines
7.4
Good
9,236 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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 43m. 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 (69%) or Royal Jordanian (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 $1,036, our data indicates the cheapest price to be $85. The most popular route (Chicago O'Hare Intl - Toronto Pearson Intl), is priced around $221.

  • 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, October is the cheapest month in which you can book a flight from Chicago to Niagara Falls (average of $85). Flying from Chicago 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.

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 5 airlines flying from Chicago to Niagara Falls

Discover the top 5 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$303FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$100Average$233FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$109Average$351FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$140Average$287FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$216Average$359FlexibilityNo cancel feeOn-time71%

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