HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$102+ Cheap flights from Chicago (CHI) to Niagara Falls, 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YYZ
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 October or August, booked 47 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$171
(Flightnetwork)

One-way from

$102
(Air Canada)

Popular in

November

Cheapest in

October

Average price

$346
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. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 25, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/810:40 amORD - YYZ
1 stop5h 48mAir Canada
Sun 6/156:15 amYYZ - ORD
1 stop4h 37mAir Canada
Deal found 4/25$171
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/177:40 pmORD - YYZ
1 stop11h 52mUnited Airlines
Sun 5/1811:00 amYYZ - ORD
Nonstop2h 03mUnited Airlines
Deal found 4/24$175
This Kissandfly.com deal was found by Cheapflights users on 4/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:05 pmORD - YYZ
Nonstop1h 53mLufthansa
Sun 5/181:00 pmYYZ - ORD
Nonstop2h 06mLufthansa
Deal found 4/25$206
This United deal was found by Cheapflights users on 4/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/99:45 pmORD - YYZ
1 stop9h 31mMultiple Airlines
Sun 6/16:15 amYYZ - ORD
1 stop4h 37mMultiple Airlines
Deal found 4/23$231
This Delta deal was found by Cheapflights users on 4/25. 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.
Fri 6/66:24 amORD - YYZ
1 stop4h 16mDelta
Fri 6/133:31 pmYYZ - ORD
1 stop5h 56mDelta
Deal found 4/25$233
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 6/46:25 pmMDW - YYZ
1 stop3h 33mDelta
Wed 6/113:31 pmYYZ - MDW
1 stop4h 10mDelta
Deal found 4/25$233
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:11 amORD - YYZ
Nonstop1h 40mAmerican Airlines
Wed 5/211:15 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 4/24$253
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amORD - YYZ
1 stop4h 55mWestJet
Thu 6/193:31 pmYYZ - ORD
1 stop5h 56mWestJet
Deal found 4/24$311
This lastminute.com deal was found by Cheapflights users on 4/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:21 pmMDW - YYZ
1 stop15h 34mWestJet
Mon 6/166:30 amYYZ - MDW
1 stop12h 10mWestJet
Deal found 4/24$329
This Mytrip deal was found by Cheapflights users on 4/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/268:04 pmMDW - YYZ
3 stops20h 44mMultiple Airlines
Sun 6/19:35 amYYZ - MDW
2 stops34h 39mMultiple Airlines
Deal found 4/25$451

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 25, 2025.
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

Sun 6/8

10:40 am-5:28 pm

1 stop5h 48m

Toronto Pearson Intl

Sun 6/15

6:15 am-9:52 am

1 stop4h 37m

$171

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 5/17

7:40 pm-8:32 am

1 stop11h 52m

Toronto Pearson Intl

Sun 5/18

11:00 am-12:03 pm

Nonstop2h 03m

$175

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/16

9:05 pm-11:58 pm

Nonstop1h 53m

Toronto Pearson Intl

Sun 5/18

1:00 pm-2:06 pm

Nonstop2h 06m

$206

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/16

11:15 am-8:23 pm

1 stop8h 08m

Toronto Pearson Intl

Sun 5/18

4:30 pm-5:24 pm

Nonstop1h 54m

$217

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 6/6

6:24 am-11:40 am

1 stop4h 16m

Toronto Pearson Intl

Fri 6/13

3:31 pm-8:27 pm

1 stop5h 56m

$233

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 6/4

6:25 pm-10:58 pm

1 stop3h 33m

Toronto Pearson Intl

Wed 6/11

3:31 pm-6:41 pm

1 stop4h 10m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/23

8:25 pm-11:15 pm

Nonstop1h 50m

Toronto Pearson Intl

Fri 5/30

6:30 am-7:25 am

Nonstop1h 55m

$236

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 6/12

6:00 am-11:55 am

1 stop4h 55m

Toronto Pearson Intl

Thu 6/19

3:31 pm-8:27 pm

1 stop5h 56m

$311

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Mon 6/9

7:21 pm-11:55 am

1 stop15h 34m

Toronto Pearson Intl

Mon 6/16

6:30 am-5:40 pm

1 stop12h 10m

$329

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Mon 5/26

8:04 pm-5:48 pm

3 stops20h 44m

Toronto Pearson Intl

Sun 6/1

9:35 am-7:14 pm

2 stops34h 39m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 20 results
1
2

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 April 18, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Niagara Falls, you should look to book at least 47 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, January is the cheapest month in which you can book a flight from Chicago to Niagara Falls (average of $243). Flying from Chicago to Niagara Falls in July is currently the most expensive (average of $359). 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 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Niagara Falls as you normally would.

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 30, 2025.

Travelers seeking maximum savings on their Chicago to Niagara Falls flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday evenings 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 25, 2025.

The most flights from CHI to NI4 are scheduled on a Wednesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

Rainfall in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

Temperature in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Niagara Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 25, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, Delta and United Airlines from Chicago to Niagara Falls to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,456 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very good
1,456 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Delta
8.0
Very good
7,920 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
United Airlines
7.4
Good
8,685 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
WestJet
7.2
Good
2,818 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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.

  • 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 $102. Users have also found prices from $106 and $108 on Delta and American Airlines, respectively.

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

    Consider Sun Country Air (100%), Finnair (100%) or Korean Air (86%) 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 $795, our data indicates the cheapest price to be $111. The most popular route (Chicago O'Hare Intl - Toronto Pearson Intl), is priced around $172.

  • 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, January is the cheapest month in which you can book a flight from Chicago to Niagara Falls (average of $243). Flying from Chicago to Niagara Falls in July is currently the most expensive (average of $359). 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.

Alternative routes for Chicago to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Midway to Toronto Island flights
Midway to Pearson Intl flights
Midway to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
St. Louis to Pearson Intl flights
O'Hare Intl to Ottawa flights
St. Louis to Pierre Elliott Trudeau Intl flights
Midway to Ottawa flights
O'Hare Intl to London flights
St. Louis to Ottawa flights
O'Hare Intl to Hamilton flights
Moline to Pearson Intl flights
O'Hare Intl to Thunder Bay flights
Midway to Thunder Bay flights
Peoria to Pierre Elliott Trudeau Intl flights
Champaign to Pearson Intl flights
Evansville to Pearson Intl flights
Evansville to Pierre Elliott Trudeau Intl flights
Springfield to Pearson Intl flights
Bloomington to Pierre Elliott Trudeau Intl flights
Bloomington to Ottawa flights
O'Hare Intl to Kingston flights
Dubuque to Pearson Intl flights

Top 4 airlines flying from Chicago to Niagara Falls

Discover the top 4 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$120Average$306FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$122Average$286FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$125Average$363FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$174Average$354FlexibilityNo cancel feeOn-time69%

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.