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Cheap flights from Niagara Falls, ON to Chicago from C$ 164

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
26 Feb — 5 Mar1
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 67 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap 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 27 January 2026.

Thu 19/22:15 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Mon 23/28:00 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 26/1C$ 256
Fri 19/67:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Sun 21/69:15 p.m.
ORD
-
YYZ
Nonstop1h 44m
United Airlines
Deal found 27/1C$ 259
Thu 19/23:30 p.m.
YYZ
-
ORD
Nonstop2h 09m
United Airlines
Mon 23/26:28 p.m.
ORD
-
YYZ
Nonstop1h 53m
United Airlines
Deal found 26/1C$ 260
Sat 21/24:00 p.m.
YYZ
-
ORD
1 stop5h 10m
Air Canada
Tue 24/210:00 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 26/1C$ 268
Thu 19/23:30 p.m.
YYZ
-
ORD
Nonstop2h 09m
Lufthansa
Mon 23/26:28 p.m.
ORD
-
YYZ
Nonstop1h 53m
Lufthansa
Deal found 26/1C$ 271
Tue 17/29:00 p.m.
YYZ
-
ORD
Nonstop2h 04m
United Airlines
Tue 24/22:30 p.m.
ORD
-
YYZ
1 stop5h 54m
United Airlines
Deal found 27/1C$ 272
Thu 19/26:00 a.m.
YYZ
-
ORD
Nonstop2h 15m
American Airlines
Mon 23/26:08 a.m.
ORD
-
YYZ
1 stop4h 43m
American Airlines
Deal found 26/1C$ 274
Tue 2/67:40 p.m.
YYZ
-
ORD
1 stop4h 41m
United Airlines
Sat 6/67:08 a.m.
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Deal found 26/1C$ 279
Fri 6/31:55 p.m.
YYZ
-
ORD
1 stop5h 29m
American Airlines
Sun 8/31:22 p.m.
ORD
-
YYZ
Nonstop1h 41m
American Airlines
Deal found 25/1C$ 281
Thu 12/36:40 p.m.
YYZ
-
ORD
Nonstop2h 05m
Air Canada
Sun 15/38:40 p.m.
ORD
-
YYZ
Nonstop1h 39m
Air Canada
Deal found 26/1C$ 289
Thu 19/22:15 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Sat 21/27:15 a.m.
ORD
-
YYZ
1 stop5h 25m
Air Canada
Deal found 26/1C$ 290
Wed 6/52:15 p.m.
YYZ
-
MDW
1 stop4h 43m
Delta
Sat 16/59:30 a.m.
MDW
-
YYZ
1 stop6h 53m
Delta
Deal found 27/1C$ 308

Find 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 27 January 2026.

Round-trip from

C$ 256

One-way from

C$ 164

Popular in

December

Cheapest in

September

Average price

C$ 331
Air Canada
  • Air Canada
  • 19/2-23/2
  • Nonstop
  • 3h 35m total
  • Niagara Falls to Chicago
Search Deals
Air Canada
  • Air Canada
  • 25/2
  • Nonstop
  • 1h 58m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 27 January 2026.
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

Tue 17/2

8:45 a.m.-9:50 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Tue 24/2

1:12 p.m.-4:02 p.m.

Nonstop1h 50m

C$ 259

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 19/2

9:00 p.m.-10:04 p.m.

Nonstop2h 04m

Chicago O'Hare Intl

Wed 1/4

2:58 p.m.-5:56 p.m.

Nonstop1h 58m

C$ 260

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 20/2

3:30 p.m.-4:39 p.m.

Nonstop2h 09m

Chicago O'Hare Intl

Thu 26/2

6:00 a.m.-11:48 a.m.

1 stop4h 48m

C$ 272

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 6/6

2:50 p.m.-11:12 p.m.

1 stop9h 22m

Chicago O'Hare Intl

Tue 9/6

3:00 p.m.-5:58 p.m.

Nonstop1h 58m

C$ 281

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 10/2

3:30 p.m.-4:40 p.m.

Nonstop2h 10m

Chicago O'Hare Intl

Tue 17/2

4:47 p.m.-7:45 p.m.

Nonstop1h 58m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 25/2

7:40 p.m.-11:43 p.m.

1 stop5h 03m

Chicago O'Hare Intl

Thu 26/2

6:00 a.m.-11:48 a.m.

1 stop4h 48m

C$ 293

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 17/2

6:15 a.m.-9:41 a.m.

1 stop4h 26m

Chicago O'Hare Intl

Tue 31/3

9:50 a.m.-3:08 p.m.

1 stop4h 18m

C$ 294

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 16/2

12:11 p.m.-4:41 p.m.

1 stop5h 30m

Chicago O'Hare Intl

Thu 2/4

9:50 a.m.-3:08 p.m.

1 stop4h 18m

C$ 294

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 16/2

12:11 p.m.-4:41 p.m.

1 stop5h 30m

Chicago O'Hare Intl

Wed 1/4

7:10 a.m.-11:23 a.m.

1 stop3h 13m

C$ 294

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 14/2

5:15 p.m.-8:44 p.m.

1 stop4h 29m

Chicago O'Hare Intl

Fri 3/4

5:40 p.m.-10:39 p.m.

1 stop3h 59m

C$ 294

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 41 results
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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 23 January 2026.

The best time to book flights from Niagara Falls to Chicago is 67 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, April is the cheapest month in which you can book a flight from Niagara Falls to Chicago (average of C$ 112). Flying from Niagara Falls to Chicago in February is currently the most expensive (average of C$ 252). 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 27 January 2026.

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 afternoon, which can drop the price by up to 21% versus a flight in the evening.

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 24 January 2026.

Travelers seeking maximum savings on their Niagara Falls to Chicago flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday evenings 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 27 January 2026.

The most flights from NI4 to CHI are scheduled on a Monday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 on average).

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 27 January 2026.
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
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

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
9,205 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

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
11,197 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

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
3,251 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

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
10,660 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

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 34m. 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$ 127 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 160 and Air Canada from C$ 161 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 Japan Airlines (79%), Copa Airlines (76%) or Republic Airways (72%) 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$ 1,672, our data shows the cheapest flight currently is C$ 211. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 259 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, April is the cheapest month in which you can book a flight from Niagara Falls to Chicago (average of C$ 112). Flying from Niagara Falls to Chicago in February is currently the most expensive (average of C$ 252). 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

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Alternative routes for Niagara Falls to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Pearson Intl to Champaign 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 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 112AverageC$ 300FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 222AverageC$ 408FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 246AverageC$ 397FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 258AverageC$ 394FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 365AverageC$ 470FlexibilityNo 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.

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