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Cheap flights from Niagara Falls to Chicago from C$ 185

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Chicago are usually found in March or January, booked 84 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 12 August 2026.

Thu 10/96:50 p.m. -
Nonstop1h 58m
Sun 13/98:40 p.m. -
Nonstop1h 46m
Deal found 7/8C$ 277
Wed 2/94:00 p.m. -
1 stop5h 05m
Wed 9/98:40 p.m. -
Nonstop1h 46m
Deal found 11/8C$ 279
Thu 24/912:25 p.m. -
Nonstop1h 58m
Sun 27/93:40 p.m. -
1 stop5h 13m
Deal found 11/8C$ 280
Sat 12/94:00 p.m. -
1 stop5h 12m
Tue 15/93:40 p.m. -
1 stop5h 13m
Deal found 9/8C$ 281
Tue 8/92:00 p.m. -
Nonstop1h 55m
Tue 15/99:55 a.m. -
Nonstop1h 45m
Deal found 9/8C$ 288
Tue 15/910:30 a.m. -
1 stop5h 22m
Sat 19/93:40 p.m. -
1 stop5h 13m
Deal found 10/8C$ 291
Mon 14/97:15 p.m. -
Nonstop2h 05m
Tue 15/911:42 a.m. -
Nonstop1h 50m
Deal found 8/8C$ 293
Mon 14/98:50 a.m. -
Nonstop2h 03m
Sat 26/97:09 a.m. -
Nonstop1h 45m
Deal found 7/8C$ 294
Tue 8/98:05 a.m. -
Nonstop1h 55m
Wed 9/98:40 p.m. -
Nonstop1h 46m
Deal found 10/8C$ 295
Tue 15/99:45 a.m. -
1 stop3h 54m
Wed 30/99:29 a.m. -
1 stop6h 51m
Deal found 7/8C$ 329
Mon 21/96:00 a.m. -
1 stop4h 07m
Tue 29/99:29 a.m. -
1 stop4h 46m
Deal found 9/8C$ 340
Sun 6/912:09 p.m. -
1 stop5h 50m
Sun 13/96:40 p.m. -
1 stop3h 19m
Deal found 9/8C$ 341

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 12 August 2026.

Round-trip from

C$ 277

One-way from

C$ 185

Popular in

August

Cheapest in

March

Average price

C$ 454
Air Canada
  • Air Canada
  • 10/9-13/9
  • Nonstop
  • 3h 44m total
  • Niagara Falls to Chicago
Search Deals
Air Canada
  • Air Canada
  • 15/9
  • Nonstop
  • 1h 55m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 12 August 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

Cheapest round-trip

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 10/9

11:00 a.m.-12:00 p.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sun 13/9

8:40 p.m.-11:26 p.m.

Nonstop1h 46m

C$ 332

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 10/9

8:50 a.m.-9:53 a.m.

Nonstop2h 03m

Chicago O'Hare Intl

Sun 13/9

5:53 p.m.-8:44 p.m.

Nonstop1h 51m

C$ 333
Quickest round-trip

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 10/9

5:15 p.m.-6:18 p.m.

Nonstop2h 03m

Chicago O'Hare Intl

Sat 19/9

9:18 p.m.-11:59 p.m.

Nonstop1h 41m

C$ 334

TorontoChicago

YYZ Toronto Pearson Intl - MDW Chicago Midway

YYZMDW

Toronto Pearson Intl

Tue 8/9

6:00 a.m.-9:07 a.m.

1 stop4h 07m

Chicago Midway

Mon 14/9

9:24 a.m.-5:20 p.m.

1 stop6h 56m

C$ 340

TorontoChicago

YYZ Toronto Pearson Intl - MDW Chicago Midway

YYZMDW

Toronto Pearson Intl

Thu 24/9

6:00 a.m.-9:07 a.m.

1 stop4h 07m

Chicago Midway

Sun 27/9

9:29 a.m.-5:20 p.m.

1 stop6h 51m

C$ 340

TorontoChicago

YYZ Toronto Pearson Intl - MDW Chicago Midway

YYZMDW

Toronto Pearson Intl

Tue 15/9

9:45 a.m.-12:39 p.m.

1 stop3h 54m

Chicago Midway

Wed 23/9

9:29 a.m.-5:20 p.m.

1 stop6h 51m

C$ 340

TorontoChicago

YYZ Toronto Pearson Intl - MDW Chicago Midway

YYZMDW

Toronto Pearson Intl

Mon 21/9

4:05 p.m.-6:33 p.m.

1 stop3h 28m

Chicago Midway

Mon 28/9

9:29 a.m.-5:20 p.m.

1 stop6h 51m

C$ 340

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 10/9

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

1 stop4h 57m

Chicago O'Hare Intl

Sat 12/9

12:55 p.m.-7:02 p.m.

1 stop5h 07m

C$ 341

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Tue 8/9

4:05 p.m.-8:30 p.m.

1 stop5h 25m

Chicago O'Hare Intl

Thu 10/9

5:10 p.m.-10:59 p.m.

1 stop4h 49m

C$ 341

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 25/9

2:24 p.m.-8:30 p.m.

1 stop7h 06m

Chicago O'Hare Intl

Mon 28/9

8:55 a.m.-5:20 p.m.

1 stop7h 25m

C$ 341

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 35 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

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 12 August 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 morning, which can drop the price by up to 19% versus a flight in the evening.

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 12 August 2026.

The most flights from NI4 to CHI are scheduled on a Monday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

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

Airfare is below average for this route at the moment.
Niagara Falls to Chicago flights typically cost between C$ 357 and C$ 593 in September.
The cheapest round-trip price found within the last 5 days was C$ 277 on Air Canada (10 Sep-13 Sep).

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 8 August 2026.

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

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 12 August 2026.
See what other customers who have flown with Porter Airlines,United Airlines, andWestJet 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
456 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very good
456 reviews
Porter Airlines
8.0
Very good
456 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
United Airlines
7.4
Good
10,115 reviews
Porter Airlines
8.0
Very good
456 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
WestJet
7.2
Good
3,431 reviews
Porter Airlines
8.0
Very good
456 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
American Airlines
7.1
Good
11,915 reviews
Porter Airlines
8.0
Very good
456 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Canada
7.1
Good
11,466 reviews
Porter Airlines
8.0
Very good
456 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

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 03m. The time it takes to get you to your destination can typically vary by up to 2h 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$ 157 on United Airlines. Other airlines that offer cheap prices include Air Canada from C$ 163 and American Airlines from C$ 166 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 Egyptair (95%), Envoy Air (89%) or Japan Airlines (84%) 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$ 1,539, our data shows the cheapest flight currently is C$ 252. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 298 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.

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 12 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 135AverageC$ 478FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 224AverageC$ 427FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 252AverageC$ 421FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 286AverageC$ 411FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 354AverageC$ 462FlexibilityNo 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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