Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Niagara Falls, ON to Chicago from C$ 173

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Chicago are usually found in March or September, 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 29 April 2026.

Fri 22/56:40 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Tue 26/58:35 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 28/4C$ 281
Thu 4/67:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Lufthansa
Sun 7/67:09 a.m.
ORD
-
YYZ
Nonstop1h 45m
Lufthansa
Deal found 27/4C$ 283
Sat 23/54:00 p.m.
YYZ
-
ORD
1 stop5h 08m
Air Canada
Sat 30/58:35 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 27/4C$ 284
Fri 22/59:00 p.m.
YYZ
-
ORD
Nonstop2h 05m
United Airlines
Mon 25/59:20 p.m.
ORD
-
YYZ
Nonstop1h 39m
United Airlines
Deal found 28/4C$ 285
Fri 22/59:49 a.m.
YYZ
-
ORD
1 stop7h 40m
Delta
Thu 28/59:25 a.m.
ORD
-
YYZ
1 stop6h 56m
Delta
Deal found 25/4C$ 288
Thu 21/512:25 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Mon 25/59:20 p.m.
ORD
-
YYZ
Nonstop1h 39m
Air Canada
Deal found 27/4C$ 290
Tue 9/612:25 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Tue 16/69:55 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 24/4C$ 291
Thu 25/611:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Tue 30/67:09 a.m.
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Deal found 27/4C$ 294
Thu 14/58:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Sun 31/58:35 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 27/4C$ 298
Fri 12/612:25 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Fri 19/68:40 p.m.
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Deal found 28/4C$ 299
Fri 22/57:24 p.m.
YYZ
-
ORD
1 stop5h 35m
Air Canada
Thu 28/58:35 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 25/4C$ 300
Sun 26/78:05 a.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Tue 28/79:50 a.m.
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Deal found 28/4C$ 303

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 29 April 2026.

Round-trip from

C$ 281

One-way from

C$ 173

Popular in

December

Cheapest in

March

Average price

C$ 425
Air Canada
  • Air Canada
  • 22/5-26/5
  • Nonstop
  • 3h 43m total
  • Niagara Falls to Chicago
Search Deals
United Airlines
  • United Airlines
  • 24/5
  • Nonstop
  • 2h 06m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 26 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 April 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 29 April 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 - ORD

YYZORD

Toronto Pearson Intl

Sat 6/6

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

Nonstop2h 00m

Chicago O'Hare Intl

Tue 9/6

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

C$ 311
Quickest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 21/5

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

Nonstop2h 03m

Chicago O'Hare Intl

Mon 25/5

9:20 p.m.-11:59 p.m.

Nonstop1h 39m

C$ 313

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 6/6

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

Nonstop2h 00m

Chicago O'Hare Intl

Wed 10/6

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

C$ 313

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 19/6

2:29 p.m.-8:31 p.m.

1 stop7h 02m

Chicago O'Hare Intl

Sun 21/6

7:01 a.m.-3:19 p.m.

1 stop7h 18m

C$ 320

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 6/6

2:20 p.m.-6:33 p.m.

1 stop5h 13m

Chicago Midway

Wed 10/6

9:17 a.m.-1:34 p.m.

1 stop3h 17m

C$ 320

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sun 24/5

6:30 a.m.-1:19 p.m.

1 stop7h 49m

Chicago Midway

Sun 31/5

9:22 a.m.-5:21 p.m.

1 stop6h 59m

C$ 320

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 23/5

10:45 a.m.-10:07 p.m.

1 stop12h 22m

Chicago O'Hare Intl

Thu 28/5

1:18 p.m.-11:54 p.m.

1 stop9h 36m

C$ 320

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Tue 12/5

9:49 a.m.-12:42 p.m.

1 stop3h 53m

Chicago Midway

Thu 14/5

9:22 a.m.-1:30 p.m.

1 stop3h 08m

C$ 320

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 18/6

12:09 p.m.-6:29 p.m.

1 stop7h 20m

Chicago O'Hare Intl

Sun 21/6

7:01 a.m.-3:19 p.m.

1 stop7h 18m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 27/5

12:45 p.m.-5:02 p.m.

1 stop5h 17m

Chicago O'Hare Intl

Wed 3/6

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

C$ 321

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
5

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 29 April 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 at noon, which can drop the price by up to 31% 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 25 April 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 29 April 2026.

The most flights from NI4 to CHI are scheduled on a Monday (69 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 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 29 April 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
435 reviews
Check prices

Food

7.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,680 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,328 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,680 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,979 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 5h 02m. 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$ 141 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 154 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 Copa Airlines (91%), EVA Air (78%) or Republic Airways (73%) 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$ 1,484, 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$ 273 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 112AverageC$ 366FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 201AverageC$ 409FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 240AverageC$ 442FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 263AverageC$ 393FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 365AverageC$ 469FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.