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Cheap flights from Niagara Falls, ON to Chicago from C$ 170

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
27 Mar — 3 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Chicago are usually found in September or January, booked 67 days in advance, depart on a Friday or Saturday and return on a Friday

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 25 February 2026.

Thu 9/48:15 a.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Mon 13/43:45 p.m.
ORD
-
YYZ
1 stop5h 09m
Air Canada
Deal found 24/2C$ 259
Thu 26/36:40 p.m.
YYZ
-
ORD
Nonstop2h 05m
Air Canada
Sun 29/37:55 a.m.
ORD
-
YYZ
Nonstop1h 42m
Air Canada
Deal found 23/2C$ 260
Thu 9/47:00 a.m.
YYZ
-
ORD
Nonstop2h 03m
United Airlines
Mon 13/45:57 p.m.
ORD
-
YYZ
Nonstop1h 47m
United Airlines
Deal found 24/2C$ 262
Thu 9/44:50 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Thu 16/42:00 p.m.
ORD
-
YYZ
Nonstop1h 42m
Air Canada
Deal found 23/2C$ 263
Thu 4/61:55 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Fri 5/68:20 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 22/2C$ 264
Thu 26/37:00 a.m.
YYZ
-
ORD
1 stop5h 18m
Air Canada
Thu 2/43:45 p.m.
ORD
-
YYZ
1 stop7h 09m
Air Canada
Deal found 24/2C$ 271
Fri 10/48:50 a.m.
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Sun 12/49:20 p.m.
ORD
-
YYZ
Nonstop1h 39m
United Airlines
Deal found 23/2C$ 273
Tue 10/32:15 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Sun 15/38:40 p.m.
ORD
-
YYZ
Nonstop1h 39m
Air Canada
Deal found 24/2C$ 274
Wed 8/44:50 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Wed 15/44:15 p.m.
ORD
-
YYZ
Nonstop1h 42m
Air Canada
Deal found 22/2C$ 277
Tue 7/46:20 a.m.
YYZ
-
MDW
1 stop3h 33m
Delta
Wed 8/49:35 a.m.
MDW
-
YYZ
1 stop4h 33m
Delta
Deal found 25/2C$ 307
Thu 9/46:20 a.m.
YYZ
-
MDW
1 stop3h 33m
Delta
Mon 13/49:27 a.m.
MDW
-
YYZ
1 stop4h 53m
Delta
Deal found 25/2C$ 308
Wed 11/36:30 a.m.
YYZ
-
MDW
1 stop7h 55m
Delta
Tue 17/32:05 p.m.
MDW
-
YYZ
1 stop8h 01m
Delta
Deal found 24/2C$ 321

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 25 February 2026.

Round-trip from

C$ 259

One-way from

C$ 170

Popular in

December

Cheapest in

September

Average price

C$ 393
Air Canada
  • Air Canada
  • 9/4-13/4
  • 1 total stop
  • 7h 04m total
  • Niagara Falls to Chicago
Search Deals
Air Canada
  • Air Canada
  • 22/4
  • 1 total stop
  • 5h 38m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 29 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 February 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 25 February 2026.
Use the filters below to find and compare flights from Niagara Falls to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 17/4

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

Nonstop2h 00m

Chicago O'Hare Intl

Wed 22/4

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

Nonstop1h 58m

C$ 285

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 22/3

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

Nonstop2h 04m

Chicago O'Hare Intl

Sat 28/3

6:25 p.m.-9:18 p.m.

Nonstop1h 53m

C$ 300

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 11/4

6:20 a.m.-1:24 p.m.

1 stop8h 04m

Chicago O'Hare Intl

Sat 18/4

8:55 a.m.-3:20 p.m.

1 stop5h 25m

C$ 308

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 11/4

12:15 p.m.-5:54 p.m.

1 stop6h 39m

Chicago Midway

Sat 18/4

1:24 p.m.-10:56 p.m.

1 stop8h 32m

C$ 308

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 9/4

6:20 a.m.-8:53 a.m.

1 stop3h 33m

Chicago Midway

Mon 13/4

6:38 p.m.-10:56 p.m.

1 stop3h 18m

C$ 308

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 24/4

1:00 p.m.-2:01 p.m.

Nonstop2h 01m

Chicago O'Hare Intl

Mon 27/4

7:04 a.m.-9:54 a.m.

Nonstop1h 50m

C$ 314

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 29/3

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

Nonstop2h 00m

Chicago O'Hare Intl

Sun 5/4

6:00 a.m.-11:43 a.m.

1 stop4h 43m

C$ 314

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 5/4

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

Nonstop2h 00m

Chicago O'Hare Intl

Wed 8/4

9:05 a.m.-11:49 a.m.

Nonstop1h 44m

C$ 323

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 7/4

7:00 a.m.-8:03 a.m.

Nonstop2h 03m

Chicago O'Hare Intl

Tue 14/4

4:43 p.m.-7:37 p.m.

Nonstop1h 54m

C$ 323

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 30/3

2:45 p.m.-3:48 p.m.

Nonstop2h 03m

Chicago O'Hare Intl

Wed 8/4

4:43 p.m.-7:37 p.m.

Nonstop1h 54m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/2

Showing 1-10 of 47 resultsSorted by cheapest first
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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 20 February 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$ 110). 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 25 February 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 21 February 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 25 February 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 (49 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 25 February 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
8.0
Very good
419 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
United Airlines
7.4
Good
9,345 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
American Airlines
7.2
Good
11,345 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
WestJet
7.2
Good
3,274 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,746 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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. The time it takes to get you to your destination can typically vary by up to 6h 04m. 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$ 152 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 158 and American Airlines from C$ 163 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 Emirates (100%), Copa Airlines (87%) or Qatar Airways (80%) 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$ 1,838, our data shows the cheapest flight currently is C$ 218. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 262 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$ 110). 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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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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 112AverageC$ 320FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 222AverageC$ 413FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 245AverageC$ 455FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 260AverageC$ 396FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 366AverageC$ 471FlexibilityNo 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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