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Cheap flights from Niagara Falls to Chicago from C$ 142

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
25 Aug — 1 Sep1
1 adult

Cheapflights Tip: The best prices from Niagara Falls to Chicago are usually found in May or July, booked 71 days in advance, depart on a Friday or Saturday and return on a Saturday

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 20 August 2025.

Round-trip from

C$ 203

One-way from

C$ 142

Popular in

December

Cheapest in

May

Average price

C$ 404
Air Canada
  • Air Canada
  • 1/11-4/11
  • Nonstop
  • 3h 39m total
  • Niagara Falls to Chicago
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Air Canada
  • Air Canada
  • 2/10
  • Nonstop
  • 1h 54m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Niagara Falls to Chicago

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 20 August 2025.

Sat 1/116:30 p.m.YYZ - ORD
Nonstop2h 00mAir Canada
Tue 4/118:15 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 19/8C$ 203
Thu 2/102:10 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Sun 5/109:55 a.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 20/8C$ 223
Fri 3/106:35 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Fri 10/109:55 a.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 19/8C$ 230
Mon 6/1012:20 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Mon 6/108:25 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 19/8C$ 237
Wed 26/1112:05 p.m.YYZ - ORD
Nonstop1h 56mAir Canada
Mon 1/123:55 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 19/8C$ 242
Sat 8/117:40 p.m.YYZ - ORD
1 stop5h 03mUnited Airlines
Sun 9/117:10 a.m.ORD - YYZ
Nonstop1h 48mUnited Airlines
Deal found 20/8C$ 245
Thu 2/101:15 p.m.YYZ - ORD
Nonstop1h 55mAmerican Airlines
Sun 5/109:48 a.m.ORD - YYZ
1 stop6h 27mAmerican Airlines
Deal found 19/8C$ 250
Tue 7/1012:15 p.m.YYZ - MDW
1 stop7h 10mDelta
Sun 12/109:35 a.m.MDW - YYZ
1 stop4h 10mDelta
Deal found 18/8C$ 293
Sat 4/1012:15 p.m.YYZ - MDW
1 stop7h 20mDelta
Wed 15/101:48 p.m.MDW - YYZ
1 stop8h 30mDelta
Deal found 18/8C$ 310
Fri 26/912:15 p.m.YYZ - MDW
1 stop7h 20mDelta
Tue 30/99:35 a.m.MDW - YYZ
1 stop6h 48mDelta
Deal found 18/8C$ 326
Tue 23/96:30 a.m.YYZ - MDW
1 stop6h 58mDelta
Thu 2/109:35 a.m.MDW - YYZ
1 stop6h 48mDelta
Deal found 19/8C$ 328
Mon 6/1012:15 p.m.YYZ - MDW
1 stop7h 10mDelta
Sat 11/106:23 p.m.MDW - YYZ
1 stop3h 32mDelta
Deal found 18/8C$ 342

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 20 August 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 4/10

8:20 a.m.-9:14 a.m.

Nonstop1h 54m

Chicago O'Hare Intl

Sat 11/10

2:00 p.m.-4:43 p.m.

Nonstop1h 43m

C$ 223

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 1/11

9:30 a.m.-2:40 p.m.

1 stop6h 10m

Chicago O'Hare Intl

Tue 4/11

3:55 p.m.-6:34 p.m.

Nonstop1h 39m

C$ 224

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 1/11

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

1 stop5h 03m

Chicago O'Hare Intl

Mon 3/11

6:28 p.m.-9:21 p.m.

Nonstop1h 53m

C$ 224

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 2/10

2:10 p.m.-3:04 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Sun 5/10

8:25 p.m.-11:08 p.m.

Nonstop1h 43m

C$ 224

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 1/11

7:30 a.m.-2:40 p.m.

1 stop8h 10m

Chicago O'Hare Intl

Mon 3/11

8:15 p.m.-10:54 p.m.

Nonstop1h 39m

C$ 224

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 18/10

6:29 p.m.-7:29 p.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sun 19/10

8:14 a.m.-10:59 a.m.

Nonstop1h 45m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 1/10

4:40 p.m.-5:33 p.m.

Nonstop1h 53m

Chicago O'Hare Intl

Wed 15/10

6:20 p.m.-9:02 p.m.

Nonstop1h 42m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 3/10

12:20 p.m.-1:14 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Fri 10/10

9:55 a.m.-12:38 p.m.

Nonstop1h 43m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 5/10

8:20 a.m.-9:14 a.m.

Nonstop1h 54m

Chicago O'Hare Intl

Fri 17/10

9:55 a.m.-12:38 p.m.

Nonstop1h 43m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 20/11

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

Nonstop2h 22m

Chicago O'Hare Intl

Sun 23/11

6:28 p.m.-9:21 p.m.

Nonstop1h 53m

C$ 245

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 38 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 8 August 2025.

The best time to book flights from Niagara Falls to Chicago is 71 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, January is the cheapest month in which you can book a flight from Niagara Falls to Chicago (average of C$ 261). Flying from Niagara Falls to Chicago in March is currently the most expensive (average of C$ 351). 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 20 August 2025.

When flying from Niagara Falls to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 20 October 2024.

Travelers seeking maximum savings on their Niagara Falls to Chicago flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday afternoons 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 20 August 2025.

The most flights from NI4 to CHI are scheduled on a Tuesday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 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 20 August 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
339 reviews
Check prices

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
339 reviews
Porter Airlines
8.0
Very good
339 reviews
Check prices

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,928 reviews
Porter Airlines
8.0
Very good
339 reviews
Check prices

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
339 reviews
Check prices

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
3,032 reviews
Porter Airlines
8.0
Very good
339 reviews
Check prices

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
8.0
Very good
339 reviews
Check prices

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 Air Canada, United Airlines, and Delta fly from Niagara Falls to Chicago in about 1h 54m. The time it takes to get you to your destination can typically vary by up to 5h 19m. 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$ 142 on Air Canada. Other airlines that offer cheap prices include American Airlines from C$ 145 and Delta from C$ 185 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 Envoy Air (88%), SkyWest Airlines (86%) or Egyptair (82%) 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$ 1,788, our data shows the cheapest flight currently is C$ 195. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 203 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, January is the cheapest month in which you can book a flight from Niagara Falls to Chicago (average of C$ 261). Flying from Niagara Falls to Chicago in March is currently the most expensive (average of C$ 351). 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 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 204AverageC$ 321FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 266AverageC$ 437FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 268AverageC$ 482FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 287AverageC$ 424FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 423AverageC$ 631FlexibilityNo 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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