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Cheap flights from Niagara Falls, ON to Chicago from C$ 168

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
22 Jan — 29 Jan1
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 23 December 2025.

Wed 31/123:15 p.m.YYZ - ORD
1 stop7h 52mMultiple Airlines
Tue 10/25:32 p.m.ORD - YYZ
1 stop28h 48mMultiple Airlines
Deal found 22/12C$ 460
Wed 31/123:40 p.m.YYZ - ORD
1 stop24h 22mMultiple Airlines
Sun 8/27:21 p.m.ORD - YYZ
1 stop18h 32mMultiple Airlines
Deal found 22/12C$ 482
Tue 30/127:45 p.m.YYZ - ORD
1 stop27h 22mMultiple Airlines
Sun 8/27:21 p.m.ORD - YYZ
1 stop18h 32mMultiple Airlines
Deal found 22/12C$ 505
Tue 30/126:45 p.m.YYZ - ORD
Nonstop2h 00mAir Canada
Sun 8/26:28 p.m.ORD - YYZ
Nonstop1h 53mAir Canada
Deal found 22/12C$ 533
Sun 28/125:15 p.m.YYZ - ORD
1 stop4h 21mMultiple Airlines
Fri 30/17:21 p.m.ORD - YYZ
2 stops23h 50mMultiple Airlines
Deal found 20/12C$ 537
Sun 28/125:15 p.m.YYZ - ORD
1 stop20h 39mWestJet
Fri 30/16:15 a.m.ORD - YYZ
1 stop8h 44mWestJet
Deal found 20/12C$ 542
Sun 28/125:15 p.m.YYZ - MDW
1 stop16h 34mWestJet
Fri 30/19:50 a.m.MDW - YYZ
1 stop5h 09mWestJet
Deal found 20/12C$ 542
Mon 29/127:00 a.m.YYZ - ORD
1 stop5h 18mAir Canada
Sun 8/22:00 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 22/12C$ 544
Sun 28/126:00 a.m.YYZ - ORD
1 stop16h 34mWestJet
Sun 8/25:35 p.m.ORD - YYZ
1 stop4h 09mWestJet
Deal found 22/12C$ 562
Tue 30/126:05 a.m.YYZ - MDW
1 stop3h 44mWestJet
Sun 4/16:08 p.m.MDW - YYZ
1 stop13h 56mWestJet
Deal found 21/12C$ 582
Wed 31/1212:09 p.m.YYZ - MDW
1 stop6h 17mWestJet
Sun 4/19:50 a.m.MDW - YYZ
1 stop24h 18mWestJet
Deal found 22/12C$ 592
Mon 29/126:05 a.m.YYZ - MDW
1 stop3h 44mWestJet
Fri 2/16:08 p.m.MDW - YYZ
1 stop13h 50mWestJet
Deal found 21/12C$ 637

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 23 December 2025.

Round-trip from

C$ 249

One-way from

C$ 168

Popular in

December

Cheapest in

September

Average price

C$ 504
20/1-27/1
  • 20/1-27/1
  • 2 total stops
  • 49h 30m total
  • Niagara Falls to Chicago
Search Deals
Air Canada
  • Air Canada
  • 4/2
  • Nonstop
  • 2h 00m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 23 December 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

Sat 10/1

5:30 p.m.-6:50 p.m.

Nonstop2h 20m

Chicago O'Hare Intl

Sun 11/1

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

Nonstop1h 44m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 18/2

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

1 stop4h 26m

Chicago O'Hare Intl

Thu 19/2

10:35 a.m.-7:09 p.m.

1 stop7h 34m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 15/2

6:30 a.m.-11:45 a.m.

1 stop6h 15m

Chicago O'Hare Intl

Thu 26/2

6:30 a.m.-11:18 a.m.

1 stop3h 48m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 5/2

7:45 a.m.-1:13 p.m.

1 stop6h 28m

Chicago O'Hare Intl

Sun 8/2

10:35 a.m.-4:12 p.m.

1 stop4h 37m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 16/2

7:45 a.m.-1:20 p.m.

1 stop6h 35m

Chicago O'Hare Intl

Wed 25/2

10:35 a.m.-7:09 p.m.

1 stop7h 34m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 19/2

5:10 p.m.-10:05 p.m.

1 stop5h 55m

Chicago O'Hare Intl

Thu 26/2

6:30 a.m.-11:18 a.m.

1 stop3h 48m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 17/2

10:05 a.m.-1:20 p.m.

1 stop4h 15m

Chicago O'Hare Intl

Sun 22/2

10:35 a.m.-4:10 p.m.

1 stop4h 35m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 18/2

10:05 a.m.-1:20 p.m.

1 stop4h 15m

Chicago O'Hare Intl

Sun 22/2

10:35 a.m.-4:10 p.m.

1 stop4h 35m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 17/2

10:05 a.m.-1:20 p.m.

1 stop4h 15m

Chicago O'Hare Intl

Mon 23/2

9:35 a.m.-4:14 p.m.

1 stop5h 39m

C$ 292

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 20/2

5:10 p.m.-10:05 p.m.

1 stop5h 55m

Chicago O'Hare Intl

Wed 25/2

6:30 a.m.-11:18 a.m.

1 stop3h 48m

C$ 292

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 44 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 19 December 2025.

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$ 113). Flying from Niagara Falls to Chicago in February is currently the most expensive (average of C$ 253). 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 23 December 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 afternoon, which can drop the price by up to 30% 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 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. 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 23 December 2025.

The most flights from NI4 to CHI are scheduled on a Monday (61 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (33 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 23 December 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
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Overall

8.0

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
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Overall

8.0

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
9,103 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Overall

8.0

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
11,052 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Overall

8.0

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
3,210 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Overall

8.0

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
10,551 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Overall

8.0

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 20m. The time it takes to get you to your destination can typically vary by up to 2h 06m. 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$ 128 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 161 and Air Canada 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 EVA Air (83%), Japan Airlines (80%) or Egyptair (78%) 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$ 1,750, our data shows the cheapest flight currently is C$ 145. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 256 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$ 113). Flying from Niagara Falls to Chicago in February is currently the most expensive (average of C$ 253). 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

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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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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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 195AverageC$ 311FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 257AverageC$ 414FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 259AverageC$ 421FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 264AverageC$ 410FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 367AverageC$ 498FlexibilityNo 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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