Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Niagara Falls, ON to Chicago from C$ 176

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Niagara Falls to Chicago are usually found in September or August, booked 84 days in advance, depart on a Friday or Saturday and return on a Thursday

Find flight deals from Niagara Falls to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to Chicago
Explore the most affordable flight options available from Niagara Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Tue 9/121:47 p.m.YYZ - ORD
1 stop5h 36mAmerican Airlines
Fri 12/125:00 a.m.ORD - YYZ
1 stop5h 12mAmerican Airlines
Deal found 18/11C$ 257
Tue 9/126:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Sat 13/127:10 a.m.ORD - YYZ
1 stop7h 49mAmerican Airlines
Deal found 19/11C$ 267
Wed 24/127:40 p.m.YYZ - ORD
1 stop5h 04mUnited Airlines
Tue 6/111:15 a.m.ORD - YYZ
Nonstop1h 46mUnited Airlines
Deal found 19/11C$ 270
Fri 12/122:15 p.m.YYZ - ORD
Nonstop1h 55mAir Canada
Mon 15/128:15 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 18/11C$ 281
Sun 14/129:52 a.m.YYZ - ORD
1 stop7h 30mDelta
Wed 17/1210:45 a.m.ORD - YYZ
1 stop5h 30mDelta
Deal found 19/11C$ 283
Thu 4/129:00 a.m.YYZ - ORD
Nonstop2h 02mUnited Airlines
Wed 24/129:20 p.m.ORD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 18/11C$ 284
Mon 8/1210:58 a.m.YYZ - ORD
1 stop6h 53mAmerican Airlines
Fri 12/125:00 a.m.ORD - YYZ
1 stop5h 12mAmerican Airlines
Deal found 17/11C$ 286
Sun 7/126:00 a.m.YYZ - ORD
1 stop7h 54mAmerican Airlines
Wed 10/125:00 a.m.ORD - YYZ
1 stop5h 12mAmerican Airlines
Deal found 19/11C$ 288
Mon 22/129:00 p.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Wed 7/17:10 a.m.ORD - YYZ
Nonstop1h 48mUnited Airlines
Deal found 17/11C$ 290
Fri 26/129:00 p.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Tue 6/111:15 a.m.ORD - YYZ
Nonstop1h 46mUnited Airlines
Deal found 18/11C$ 291
Wed 3/126:20 a.m.YYZ - ORD
1 stop5h 58mAir Canada
Sat 6/1212:50 p.m.ORD - YYZ
1 stop6h 40mAir Canada
Deal found 17/11C$ 293
Thu 11/126:05 a.m.YYZ - MDW
1 stop7h 29mDelta
Tue 16/129:34 a.m.MDW - YYZ
1 stop4h 14mDelta
Deal found 18/11C$ 295

Cheap flight deals from Niagara Falls to Chicago

Keep the following information in mind while searching for Niagara Falls to Chicago flight deals. Data was last updated 21 November 2025.

Round-trip from

C$ 257

One-way from

C$ 176

Popular in

December

Cheapest in

September

Average price

C$ 438
American Airlines
  • American Airlines
  • 9/12-12/12
  • 2 total stops
  • 10h 48m total
  • Niagara Falls to Chicago
Search Deals
United Airlines
  • United Airlines
  • 11/12
  • Nonstop
  • 2h 02m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Chicago 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 629,999 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Niagara Falls to Chicago that are best for you.

Fly from

Niagara Falls

Fly to

Chicago

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/1

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sun 11/1

9:15 p.m.-11:59 p.m.

Nonstop1h 44m

C$ 260

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 8/1

10:05 a.m.-12:48 p.m.

1 stop3h 43m

Chicago Midway

Sun 11/1

6:30 p.m.-10:41 p.m.

1 stop3h 11m

C$ 283

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 14/12

9:00 a.m.-10:02 a.m.

Nonstop2h 02m

Chicago O'Hare Intl

Wed 17/12

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 284

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 4/12

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sun 7/12

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 284

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 15/12

3:30 p.m.-4:52 p.m.

Nonstop2h 22m

Chicago O'Hare Intl

Wed 17/12

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 284

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 15/12

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Tue 16/12

11:15 a.m.-2:01 p.m.

Nonstop1h 46m

C$ 284

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 1/2

9:00 a.m.-10:06 a.m.

Nonstop2h 06m

Chicago O'Hare Intl

Thu 5/2

7:10 a.m.-1:43 p.m.

1 stop5h 33m

C$ 290

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/1

6:06 a.m.-1:26 p.m.

1 stop8h 20m

Chicago O'Hare Intl

Sun 11/1

6:15 p.m.-10:41 p.m.

1 stop3h 26m

C$ 295

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Fri 16/1

7:45 a.m.-12:48 p.m.

1 stop6h 03m

Chicago Midway

Sun 18/1

6:14 p.m.-10:41 p.m.

1 stop3h 27m

C$ 295

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 11/12

6:05 a.m.-12:34 p.m.

1 stop7h 29m

Chicago Midway

Tue 16/12

9:34 a.m.-2:48 p.m.

1 stop4h 14m

C$ 295

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 40 results
1
2
3
4

Best time to book a flight from Niagara Falls to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Niagara Falls 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 Niagara Falls to Chicago

How far ahead should I book a flight from Niagara Falls to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Chicago. Price data was last updated on 14 November 2025.

The best time to book flights from Niagara Falls to Chicago is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Niagara Falls to Chicago?

Currently, June is the cheapest month in which you can book a flight from Niagara Falls to Chicago (average of C$ 117). Flying from Niagara Falls to Chicago in February is currently the most expensive (average of C$ 267). 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 NI4 to CHI?

Find hourly flight availability from Niagara Falls to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

When flying from Niagara Falls to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 29% versus a flight at noon.

What is the cheapest day to fly from Niagara Falls to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to Chicago. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Niagara Falls to Chicago flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Niagara Falls to Chicago

Explore weekly flight availability from Niagara Falls to Chicago. 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 21 November 2025.

The most flights from NI4 to CHI are scheduled on a Thursday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 on average).

How much does it cost to fly round-trip from Niagara Falls to Chicago?

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 21 November 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andAmerican Airlines from Niagara Falls to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
393 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
393 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,029 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,047 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,169 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,463 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to Chicago. 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 Niagara Falls to Chicago?

    Airlines like United Airlines and Delta fly from Niagara Falls to Chicago in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 1h 38m. Airlines will cover a distance of 702 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 176 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 176 and Delta from C$ 180 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Niagara Falls to Chicago consider choosing EVA Air (95%), Egyptair (87%) or ANA (86%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Niagara Falls to Chicago?

    While on average a flight from Niagara Falls to Chicago is generally C$ 2,099, our data shows the cheapest flight currently is C$ 221. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 215 for that flight.

  • Can I find deals for flights from Niagara Falls to Chicago that include hotel bookings?

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

  • How can I find direct flights from Niagara Falls to Chicago?

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

  • Can I find deals for business class flights from Niagara Falls to Chicago?

    Yes. Cheapflights offers flight deals from Niagara Falls to Chicago 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 Niagara Falls to Chicago?

    Currently, June is the cheapest month in which you can book a flight from Niagara Falls to Chicago (average of C$ 117). Flying from Niagara Falls to Chicago in February is currently the most expensive (average of C$ 267). 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 Niagara Falls to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Toronto Island to Midway flights
Pearson Intl to Midway flights
Pierre Elliott Trudeau Intl to Midway flights
Toronto Island to O'Hare Intl flights
Ottawa to O'Hare Intl flights
Pearson Intl to St. Louis flights
Ottawa to Midway flights
Pierre Elliott Trudeau Intl to St. Louis flights
Hamilton to O'Hare Intl flights
Ottawa to St. Louis flights
London to O'Hare Intl flights
Pearson Intl to Moline flights
Pearson Intl to Peoria flights
Pearson Intl to Bloomington flights
Sudbury to O'Hare Intl flights
Region of Waterloo Intl to O'Hare Intl flights
Pearson Intl to Champaign flights
Pearson Intl to Quincy flights
Kingston to O'Hare Intl flights
Ottawa to Champaign flights

Top 5 airlines flying from Niagara Falls to Chicago

Discover the top 5 airlines that operate flights from Niagara Falls to Chicago. 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 629,999 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 199AverageC$ 309FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 265AverageC$ 455FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 265AverageC$ 413FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 284AverageC$ 426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 375AverageC$ 602FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Niagara Falls to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Niagara Falls to Chicago. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Chicago?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Niagara Falls to Chicago.

Can Cheapflights find flights from Niagara Falls to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from Niagara Falls to Chicago with no change fees.

Can Cheapflights notify me if prices for flights from Niagara Falls to Chicago become cheaper?

Not ready to book yet? You can track prices for flights from Niagara Falls to Chicago on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.