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Niagara-on-the-Lake

$87+ Cheap flights from Chicago (CHI) to Niagara-on-the-Lake, 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YYZ
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Niagara-on-the-Lake 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-on-the-Lake

Cheapest flights from Chicago to Niagara-on-the-Lake
Explore the most affordable flight options available from Chicago to Niagara-on-the-Lake. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 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
Mon 6/88:05 am
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 2/1$198
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Mon 2/2312:05 pm
YYZ
-
ORD
Nonstop1h 56m
Air Canada
Deal found 1/31$202
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.
Thu 2/2610:00 am
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Sun 3/112:05 pm
YYZ
-
ORD
Nonstop1h 56m
Air Canada
Deal found 2/1$204
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 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 Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:30 am
ORD
-
YYZ
1 stop28h 50m
Multiple Airlines
Wed 3/48:20 pm
YYZ
-
ORD
1 stop15h 26m
Multiple Airlines
Deal found 1/30$228
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:20 am
ORD
-
YYZ
1 stop15h 00m
Multiple Airlines
Tue 4/143:40 pm
YYZ
-
ORD
1 stop30h 37m
Multiple Airlines
Deal found 1/31$232
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:08 am
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Mon 5/257:00 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 1/30$236
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
-
YYZ
1 stop17h 05m
Multiple Airlines
Sun 3/16:45 pm
YYZ
-
ORD
Nonstop1h 58m
Multiple Airlines
Deal found 2/1$245
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:10 am
ORD
-
YYZ
1 stop7h 54m
American Airlines
Mon 3/24:44 pm
YYZ
-
ORD
Nonstop2h 00m
American Airlines
Deal found 2/1$246
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:40 pm
ORD
-
YYZ
Nonstop1h 39m
Multiple Airlines
Tue 3/243:40 pm
YYZ
-
ORD
1 stop8h 37m
Multiple Airlines
Deal found 1/31$248
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.
Wed 3/189:35 am
MDW
-
YYZ
1 stop6h 42m
Delta
Sun 3/226:20 am
YYZ
-
MDW
1 stop3h 33m
Delta
Deal found 2/1$261

Find flight deals from Chicago to Niagara-on-the-Lake

Keep the following information in mind while searching for Chicago to Niagara-on-the-Lake flight deals. Data was last updated February 2, 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-on-the-Lake
Search Deals
One-way flight from Chicago (CHI) to Niagara-on-the-Lake
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-on-the-Lake 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 2, 2026.
Use the filters below to find and compare flights from Chicago to Niagara-on-the-Lake that are best for you.

Fly from

Chicago

Fly to

Niagara-on-the-Lake

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

Fri 5/22

7:08 am-9:53 am

Nonstop1h 45m

Toronto Pearson Intl

Mon 5/25

7:00 am-8:00 am

Nonstop2h 00m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 4/1

10:52 am-1:42 pm

Nonstop1h 50m

Toronto Pearson Intl

Thu 4/2

8:50 am-9:50 am

Nonstop2h 00m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 4/11

10:52 am-1:42 pm

Nonstop1h 50m

Toronto Pearson Intl

Mon 4/20

2:45 pm-3:48 pm

Nonstop2h 03m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 3/29

12:52 pm-3:46 pm

Nonstop1h 54m

Toronto Pearson Intl

Thu 4/2

8:50 am-9:50 am

Nonstop2h 00m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 4/11

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Sat 4/18

8:50 am-9:50 am

Nonstop2h 00m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 3/10

4:47 pm-7:45 pm

Nonstop1h 58m

Toronto Pearson Intl

Thu 3/12

9:00 pm-10:04 pm

Nonstop2h 04m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 4/11

5:57 pm-8:44 pm

Nonstop1h 47m

Toronto Pearson Intl

Sun 4/19

1:00 pm-2:01 pm

Nonstop2h 01m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/22

7:08 am-9:53 am

Nonstop1h 45m

Toronto Pearson Intl

Sun 5/24

10:15 am-11:21 am

Nonstop2h 06m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 3/7

11:11 am-2:01 pm

Nonstop1h 50m

Toronto Pearson Intl

Sat 3/14

8:45 am-9:50 am

Nonstop2h 05m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 40 results
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Best time to book a flight from Chicago to Niagara-on-the-Lake

Have a flexible travel schedule? Discover the best time to fly to Niagara-on-the-Lake 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-on-the-Lake

How far ahead should I book a flight from Chicago to Niagara-on-the-Lake?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Niagara-on-the-Lake. Price data was last updated on January 30, 2026.

To ensure you get the cheapest price possible for a flight from Chicago to Niagara-on-the-Lake, 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-on-the-Lake?

Currently, October is the cheapest month in which you can book a flight from Chicago to Niagara-on-the-Lake (average of $85). Flying from Chicago to Niagara-on-the-Lake 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 N1A?

Find hourly flight availability from Chicago to Niagara-on-the-Lake. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 2, 2026.

It’s typically best to fly out from Chicago to Niagara-on-the-Lake in the morning. Doing so could potentially save you 34% 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-on-the-Lake?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Niagara-on-the-Lake. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Chicago to Niagara-on-the-Lake 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-on-the-Lake

Explore weekly flight availability from Chicago to Niagara-on-the-Lake. 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 2, 2026.

The most flights from CHI to N1A are scheduled on a Sunday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

Reviews of airlines servicing Niagara-on-the-Lake

Get insights into the airlines that provide service to Niagara-on-the-Lake. 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-on-the-Lake. Reviews last updated February 2, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from Chicago to Niagara-on-the-Lake. 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.
United Airlines
7.4
Good
9,225 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
9,225 reviews
United Airlines
7.4
Good
9,225 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
11,211 reviews
United Airlines
7.4
Good
9,225 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
10,673 reviews
United Airlines
7.4
Good
9,225 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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-on-the-Lake. 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-on-the-Lake?

    Departing from Chicago to Niagara-on-the-Lake will take you 1h 43m. Airlines will cover a distance of 436 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Chicago to Niagara-on-the-Lake for a low price.

  • What are the most reliable airlines from Chicago to Niagara-on-the-Lake?

    Consider Korean Air (88%), Alaska Airlines (73%) or Japan Airlines (72%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Niagara-on-the-Lake.

  • What are the cheapest flights from Chicago to Niagara-on-the-Lake?

    Looking for the cheapest flight from Chicago to Niagara-on-the-Lake? 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 $207.

  • Can I find deals for flights from Chicago to Niagara-on-the-Lake that include hotel bookings?

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

  • How can I find direct flights from Chicago to Niagara-on-the-Lake?

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

  • Can I find deals for business class flights from Chicago to Niagara-on-the-Lake?

    Yes. Cheapflights offers flight deals from Chicago to Niagara-on-the-Lake 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-on-the-Lake?

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

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Alternative routes for Chicago to Niagara-on-the-Lake

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Chicago to Niagara-on-the-Lake

Discover the top 5 airlines that operate flights from Chicago to Niagara-on-the-Lake. 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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$359FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$100Average$237FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$109Average$351FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$140Average$287FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$359FlexibilityNo cancel feeOn-time71%

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