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Niagara-on-the-Lake

$86+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YYZ
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Niagara-on-the-Lake are usually found in June or November, 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/319:20 pmORD - YYZ
Nonstop1h 39mUnited Airlines
Mon 1/56:40 pmYYZ - ORD
1 stop5h 55mUnited Airlines
Deal found 12/16$258
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/311:24 pmORD - YYZ
1 stop4h 33mUnited Airlines
Wed 12/319:00 pmYYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 12/17$285
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Mon 12/297:00 amORD - YYZ
1 stop3h 19mMultiple Airlines
Fri 1/97:35 amYYZ - ORD
1 stop15h 29mMultiple Airlines
Deal found 12/16$408
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/266:02 pmORD - YYZ
1 stop3h 48mMultiple Airlines
Thu 1/81:30 pmYYZ - ORD
2 stops33h 02mMultiple Airlines
Deal found 12/16$409
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/243:51 pmORD - YYZ
2 stops21h 29mMultiple Airlines
Thu 1/87:35 amYYZ - ORD
1 stop27h 08mMultiple Airlines
Deal found 12/16$411
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Mon 12/297:00 amORD - YYZ
1 stop3h 19mWestJet
Sun 1/1110:15 pmYYZ - ORD
1 stop16h 20mWestJet
Deal found 12/16$413
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Sun 12/289:41 amORD - YYZ
1 stop5h 29mWestJet
Tue 1/1310:05 amYYZ - ORD
1 stop4h 03mWestJet
Deal found 12/16$415
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/256:02 pmORD - YYZ
1 stop3h 48mWestJet
Tue 1/67:45 amYYZ - ORD
1 stop6h 23mWestJet
Deal found 12/16$416
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/316:08 pmMDW - YYZ
1 stop16h 11mWestJet
Mon 1/510:05 amYYZ - MDW
1 stop3h 43mWestJet
Deal found 12/16$416
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Sat 12/276:02 pmORD - YYZ
1 stop13h 56mMultiple Airlines
Thu 1/87:35 amYYZ - ORD
1 stop27h 08mMultiple Airlines
Deal found 12/16$417
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/316:08 pmMDW - YYZ
1 stop16h 11mMultiple Airlines
Mon 1/58:30 pmYYZ - MDW
2 stops50h 47mMultiple Airlines
Deal found 12/16$431
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sat 12/276:08 pmMDW - YYZ
1 stop13h 50mWestJet
Wed 12/3112:09 pmYYZ - MDW
1 stop6h 17mWestJet
Deal found 12/17$461

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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$185
(American Airlines)

One-way from

$86
(American Airlines)

Popular in

December

Cheapest in

June

Average price

$356
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. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Fri 2/13

6:28 pm-9:21 pm

Nonstop1h 53m

Toronto Pearson Intl

Fri 2/20

9:00 pm-10:04 pm

Nonstop2h 04m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 2/11

1:13 pm-4:02 pm

Nonstop1h 49m

Toronto Pearson Intl

Wed 2/18

5:30 pm-6:40 pm

Nonstop2h 10m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 2/12

11:11 am-2:01 pm

Nonstop1h 50m

Toronto Pearson Intl

Sat 2/14

8:45 am-9:50 am

Nonstop2h 05m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 2/14

11:11 am-2:01 pm

Nonstop1h 50m

Toronto Pearson Intl

Sun 2/15

9:00 pm-10:04 pm

Nonstop2h 04m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 2/9

6:28 pm-9:21 pm

Nonstop1h 53m

Toronto Pearson Intl

Thu 2/19

5:30 pm-6:40 pm

Nonstop2h 10m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 2/9

1:13 pm-4:02 pm

Nonstop1h 49m

Toronto Pearson Intl

Mon 2/16

8:45 am-9:50 am

Nonstop2h 05m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 2/14

11:11 am-2:01 pm

Nonstop1h 50m

Toronto Pearson Intl

Mon 2/16

8:45 am-9:50 am

Nonstop2h 05m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 2/12

4:47 pm-7:45 pm

Nonstop1h 58m

Toronto Pearson Intl

Thu 2/19

8:45 am-9:50 am

Nonstop2h 05m

$189

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 1/20

7:20 am-11:20 pm

1 stop15h 00m

Toronto Pearson Intl

Tue 1/27

7:35 am-10:04 pm

1 stop15h 29m

$193

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 1/28

4:50 pm-7:45 pm

Nonstop1h 55m

Toronto Pearson Intl

Sun 2/1

11:00 am-12:08 pm

Nonstop2h 08m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 42 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 December 12, 2025.

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, March is the cheapest month in which you can book a flight from Chicago to Niagara-on-the-Lake (average of $79). Flying from Chicago to Niagara-on-the-Lake in December is currently the most expensive (average of $211). 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 December 18, 2025.

It’s typically best to fly out from Chicago to Niagara-on-the-Lake in the morning. Doing so could potentially save you 51% 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 December 13, 2025.

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. Monday evenings 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 December 18, 2025.

The most flights from CHI to N1A are scheduled on a Wednesday (61 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (19 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 December 18, 2025.
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
9,093 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,093 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,055 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Air Canada
7.1
Good
10,534 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 53m. 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 (89%), Japan Airlines (75%) or SkyWest Airlines (74%) 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 $1,258, our data indicates the cheapest price to be $67. The most popular route (Chicago O'Hare Intl - Toronto Pearson Intl), is priced around $169.

  • 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, March is the cheapest month in which you can book a flight from Chicago to Niagara-on-the-Lake (average of $79). Flying from Chicago to Niagara-on-the-Lake in December is currently the most expensive (average of $211). 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 4 airlines flying from Chicago to Niagara-on-the-Lake

Discover the top 4 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$116Average$247FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$146Average$298FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$185Average$350FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$215Average$378FlexibilityNo cancel feeOn-time71%

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