$82+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Chicago to Niagara-on-the-Lake 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-on-the-Lake 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-on-the-Lake
Keep the following information in mind while searching for Chicago to Niagara-on-the-Lake flight deals. Data was last updated noviembre 25, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $185 (United Airlines) |
One-way from | $82 (American Airlines) |
Popular in | December |
Cheapest in | June |
Average price | $266 |
Find flight deals from Chicago to Niagara-on-the-Lake
Cheapest flights from Chicago to Niagara-on-the-LakeExplore 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 noviembre 25, 2025.
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 noviembre 25, 2025.
This United Airlines deal was found by Cheapflights users on 11/23. 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.
This American Airlines deal was found by Cheapflights users on 11/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 11/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 11/23. 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.
This United Airlines deal was found by Cheapflights users on 11/24. 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.
This American Airlines deal was found by Cheapflights users on 11/25. 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.
This United Airlines deal was found by Cheapflights users on 11/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 11/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 11/24. 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.
This Delta deal was found by Cheapflights users on 11/25. 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.
This Delta deal was found by Cheapflights users on 11/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 11/24. 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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Chicago to Niagara-on-the-Lake that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
sáb. 1/10
7:10 am-1:43 pm
1 stop5h 33m
Toronto Pearson Intl
sáb. 1/10
5:30 pm-6:50 pm
Nonstop2h 20m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
lun. 1/12
9:02 am-5:49 pm
1 stop7h 47m
Toronto Pearson Intl
lun. 1/12
9:00 pm-10:05 pm
Nonstop2h 05m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
vie. 1/16
7:10 am-1:43 pm
1 stop5h 33m
Toronto Pearson Intl
vie. 1/30
7:40 pm-11:39 pm
1 stop4h 59m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
jue. 1/8
6:17 pm-11:46 pm
1 stop4h 29m
Toronto Pearson Intl
vie. 1/9
12:45 pm-6:15 pm
1 stop6h 30m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
dom. 12/7
4:50 pm-7:45 pm
Nonstop1h 55m
Toronto Pearson Intl
mar. 1/6
9:00 pm-10:05 pm
Nonstop2h 05m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
lun. 12/8
7:10 am-9:58 am
Nonstop1h 48m
Toronto Pearson Intl
lun. 1/12
9:00 am-10:06 am
Nonstop2h 06m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
sáb. 12/13
9:10 pm-11:59 pm
Nonstop1h 49m
Toronto Pearson Intl
jue. 1/8
5:30 pm-6:50 pm
Nonstop2h 20m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
jue. 12/11
7:10 am-9:58 am
Nonstop1h 48m
Toronto Pearson Intl
sáb. 1/10
9:00 am-10:06 am
Nonstop2h 06m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
lun. 12/8
9:10 pm-11:59 pm
Nonstop1h 49m
Toronto Pearson Intl
vie. 1/9
3:30 pm-4:40 pm
Nonstop2h 10m
ChicagoToronto
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
mar. 12/9
8:45 am-2:14 pm
1 stop4h 29m
Toronto Pearson Intl
lun. 1/12
9:00 am-10:06 am
Nonstop2h 06m
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.
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 November 21, 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 July is currently the most expensive (average of $173). 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 noviembre 25, 2025.
It’s typically best to fly out from Chicago to Niagara-on-the-Lake 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-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 November 25, 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 noviembre 25, 2025.
The most flights from CHI to N1A are scheduled on a Monday (64 on average). You will have fewer flight options on Thursday, 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-on-the-Lake?
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 noviembre 25, 2025.
Read reviews from past customers who have flown Porter Airlines, United Airlines, and American Airlines 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.
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mohameed,Nov 2025
LAS - YYZ
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.
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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.
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 noviembre 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$264 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$146 | Average$308 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$185 | Average$349 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$220 | Average$389 | FlexibilityNo cancel fee | On-time71% |