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Cheap flights from Niagara Falls, ON to Chicago O'Hare Intl Airport from C$ 182

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Niagara Falls to Chicago O'Hare Intl are usually found in April or May, booked 41 days in advance, depart on a Friday or Saturday and return on a Thursday

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Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to O'Hare Intl
Explore the most affordable flight options available from Niagara Falls to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2025.

Thu 4/123:56 p.m.YYZ - ORD
1 stop5h 54mAmerican Airlines
Sun 7/126:05 a.m.ORD - YYZ
1 stop4h 51mAmerican Airlines
Deal found 2/11C$ 258
Sat 6/126:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Sun 7/128:10 a.m.ORD - YYZ
Nonstop1h 46mAmerican Airlines
Deal found 31/10C$ 263
Thu 11/126:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Sun 14/129:39 a.m.ORD - YYZ
Nonstop1h 51mAmerican Airlines
Deal found 2/11C$ 265
Fri 5/126:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Mon 8/126:04 a.m.ORD - YYZ
1 stop4h 52mAmerican Airlines
Deal found 1/11C$ 270
Sat 13/125:16 p.m.YYZ - ORD
1 stop5h 03mAmerican Airlines
Sun 14/129:39 a.m.ORD - YYZ
Nonstop1h 51mAmerican Airlines
Deal found 2/11C$ 272
Thu 11/127:00 a.m.YYZ - ORD
1 stop5h 18mAir Canada
Sun 14/128:15 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 2/11C$ 273
Wed 26/1111:51 a.m.YYZ - ORD
1 stop5h 14mAmerican Airlines
Sat 29/111:15 p.m.ORD - YYZ
Nonstop1h 49mAmerican Airlines
Deal found 2/11C$ 277
Tue 25/116:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Wed 26/116:34 p.m.ORD - YYZ
Nonstop1h 55mAmerican Airlines
Deal found 2/11C$ 279
Wed 26/119:00 a.m.YYZ - ORD
Nonstop2h 05mMultiple Airlines
Sun 30/118:00 a.m.ORD - YYZ
Nonstop1h 40mMultiple Airlines
Deal found 3/11C$ 283
Fri 5/127:09 p.m.YYZ - ORD
1 stop5h 30mAmerican Airlines
Sun 7/125:00 a.m.ORD - YYZ
1 stop5h 02mAmerican Airlines
Deal found 2/11C$ 284
Wed 17/126:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Fri 26/123:02 p.m.ORD - YYZ
Nonstop1h 40mAmerican Airlines
Deal found 2/11C$ 287

Cheap flight deals from Niagara Falls to O'Hare Intl

Keep the following information in mind while searching for Niagara Falls to O'Hare Intl flight deals. Data was last updated 3 November 2025.

Round-trip from

C$ 256

One-way from

C$ 182

Popular in

October

Cheapest in

April

Average price

C$ 396
Air Canada
  • Air Canada
  • 9/2-28/2
  • 1 total stop
  • 9h 39m total
  • Niagara Falls to Chicago
Search Deals
Air Canada
  • Air Canada
  • 26/11
  • 1 total stop
  • 8h 00m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to O'Hare Intl 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 3 November 2025.
Use the filters below to find and compare flights from Niagara Falls to Chicago O'Hare Intl Airport that are best for you.

Fly from

Niagara Falls

Fly to

O'Hare Intl

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 10/4

9:00 p.m.-9:59 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Tue 14/4

9:15 p.m.-12:09 a.m.

Nonstop1h 54m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 17/1

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

Nonstop2h 20m

Chicago O'Hare Intl

Mon 16/2

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

Nonstop1h 53m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 14/4

1:00 p.m.-1:59 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Tue 14/4

9:15 p.m.-12:09 a.m.

Nonstop1h 54m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 15/4

1:00 p.m.-1:59 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Sat 18/4

9:00 a.m.-11:45 a.m.

Nonstop1h 45m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 14/4

1:00 p.m.-1:59 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Wed 15/4

10:40 a.m.-1:34 p.m.

Nonstop1h 54m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 11/12

7:00 a.m.-11:18 a.m.

1 stop5h 18m

Chicago O'Hare Intl

Sun 14/12

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

Nonstop1h 39m

C$ 273

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 12/12

5:30 p.m.-6:52 p.m.

Nonstop2h 22m

Chicago O'Hare Intl

Sun 14/12

8:00 a.m.-10:40 a.m.

Nonstop1h 40m

C$ 283

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 28/11

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Mon 1/12

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

Nonstop1h 39m

C$ 284

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 26/12

6:50 a.m.-8:03 a.m.

Nonstop2h 13m

Chicago O'Hare Intl

Wed 7/1

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

Nonstop1h 53m

C$ 289

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 24/12

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 7/1

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 289

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Niagara Falls to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

How far ahead should I book a flight from Niagara Falls to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to O'Hare Intl. Price data was last updated on 31 October 2025.

The price you pay for your flight from Niagara Falls to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Niagara Falls to Chicago O'Hare Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Niagara Falls to Chicago O'Hare Intl Airport (average of C$ 118). Flying from Niagara Falls to Chicago O'Hare Intl Airport in February is currently the most expensive (average of C$ 310). 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 ORD?

Find hourly flight availability from Niagara Falls to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 November 2025.

A simple way to save on the total cost of your ticket is to fly from Niagara Falls to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Niagara Falls to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to O'Hare Intl. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Niagara Falls to Chicago O'Hare Intl Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Tuesday 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 O'Hare Intl Airport

Explore weekly flight availability from Niagara Falls to O'Hare Intl. 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 3 November 2025.

The most flights from NI4 to ORD are scheduled on a Sunday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 3 November 2025.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAmerican Airlines from Niagara Falls to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,997 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
11,036 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,153 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,394 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to O'Hare Intl. 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 O'Hare Intl Airport?

    There are many flights that can get you from Niagara Falls to Chicago O'Hare Intl Airport in 1h 59m. Fly via United Airlines to get the fastest option. There are 702 km between Niagara Falls and Chicago O'Hare Intl Airport. All flights are typically direct.

  • What are the most reliable airlines from Niagara Falls to Chicago O'Hare Intl Airport?

    The top 3 most reliable airlines when flying from Niagara Falls to Chicago O'Hare Intl Airport are EVA Air (94%), Egyptair (92%) and ANA (88%).

  • What are the cheapest flights from Niagara Falls to Chicago O'Hare Intl Airport?

    While on average a flight from Niagara Falls to Chicago O'Hare Intl Airport is generally C$ 2,055, our data shows the cheapest flight currently is C$ 222. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 214 for that flight.

  • Can I find deals for flights from Niagara Falls to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Niagara Falls to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to O'Hare Intl.

  • Can I find deals for business class flights from Niagara Falls to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Niagara Falls to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Niagara Falls to Chicago O'Hare Intl Airport (average of C$ 118). Flying from Niagara Falls to Chicago O'Hare Intl Airport in February is currently the most expensive (average of C$ 310). 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Evanston
Des Plaines
Skokie
Elk Grove Village
Downers Grove
Naperville
Bolingbrook
Romeoville

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Top 5 airlines flying from Niagara Falls to O'Hare Intl

Discover the top 5 airlines that operate flights from Niagara Falls to O'Hare Intl. 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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 226AverageC$ 279FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 265AverageC$ 412FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 284AverageC$ 426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 285AverageC$ 465FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 374AverageC$ 509FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Niagara Falls to O'Hare Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Niagara Falls to O'Hare Intl. 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 O'Hare Intl?

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 O'Hare Intl.

Can Cheapflights find flights from Niagara Falls to O'Hare Intl with no change fees?

Yes, we can. To see specific flights from Niagara Falls to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Niagara Falls to O'Hare Intl become cheaper?

Not ready to book yet? You can track prices for flights from Niagara Falls to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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