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Cheap flights from Niagara Falls, ON to Chicago O'Hare Intl Airport 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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Chicago O'Hare Intl are usually found in January or February, booked 84 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap flight deals from Niagara Falls to O'Hare Intl

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 12 May 2026.

Tue 21/72:00 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Fri 24/78:40 p.m.
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Deal found 12/5C$ 290
Sun 7/68:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Sun 14/68:20 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 10/5C$ 299
Sat 13/612:25 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Sun 14/68:20 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 12/5C$ 304
Thu 28/51:55 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Sun 31/59:55 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 10/5C$ 306
Fri 12/62:45 p.m.
YYZ
-
ORD
Nonstop2h 05m
United Airlines
Tue 16/69:20 p.m.
ORD
-
YYZ
Nonstop1h 39m
United Airlines
Deal found 10/5C$ 319
Fri 12/612:25 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Tue 16/69:55 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 9/5C$ 320
Wed 24/62:00 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Wed 1/78:40 p.m.
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Deal found 10/5C$ 324
Thu 25/62:00 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Thu 2/72:15 p.m.
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Deal found 11/5C$ 330

Find 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 12 May 2026.

Round-trip from

C$ 290

One-way from

C$ 185

Popular in

December

Cheapest in

January

Average price

C$ 394
Air Canada
  • Air Canada
  • 21/7-24/7
  • Nonstop
  • 3h 40m total
  • Niagara Falls to Chicago
Search Deals
Air Canada
  • Air Canada
  • 22/5
  • Nonstop
  • 2h 00m total
  • Niagara Falls to Chicago
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 12 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 24/5

6:10 a.m.-10:29 a.m.

1 stop5h 19m

Chicago O'Hare Intl

Wed 27/5

2:45 p.m.-11:41 p.m.

1 stop7h 56m

C$ 362
Quickest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 29/6

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

Nonstop2h 00m

Chicago O'Hare Intl

Tue 30/6

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

Nonstop1h 39m

C$ 362

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 26/5

4:04 p.m.-8:14 p.m.

1 stop5h 10m

Chicago O'Hare Intl

Thu 28/5

11:09 a.m.-5:21 p.m.

1 stop5h 12m

C$ 362

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 17/6

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

1 stop7h 20m

Chicago O'Hare Intl

Sat 20/6

7:01 a.m.-1:34 p.m.

1 stop5h 33m

C$ 362

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 6/6

4:10 p.m.-8:14 p.m.

1 stop5h 04m

Chicago O'Hare Intl

Wed 10/6

7:01 a.m.-11:19 a.m.

1 stop3h 18m

C$ 362

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 31/5

6:30 a.m.-2:57 p.m.

1 stop9h 27m

Chicago O'Hare Intl

Mon 8/6

12:27 p.m.-11:14 p.m.

1 stop9h 47m

C$ 362

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 10/6

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

1 stop7h 20m

Chicago O'Hare Intl

Mon 15/6

1:25 p.m.-11:02 p.m.

1 stop8h 37m

C$ 362

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 7/6

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$ 375

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 17/7

7:43 p.m.-11:31 p.m.

1 stop4h 48m

Chicago O'Hare Intl

Mon 20/7

12:55 p.m.-3:46 p.m.

Nonstop1h 51m

C$ 382

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 8/6

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

Nonstop2h 00m

Chicago O'Hare Intl

Wed 10/6

5:00 a.m.-11:43 a.m.

1 stop5h 43m

C$ 387

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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

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 12 May 2026.

A simple way to save on the total cost of your ticket is to fly from Niagara Falls to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

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 9 May 2026.

Travelers seeking maximum savings on their Niagara Falls to Chicago O'Hare Intl Airport flight should consider departing on Tuesday at noon 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 12 May 2026.

The most flights from NI4 to ORD are scheduled on a Monday (71 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (58 on average).

How much does it cost to fly round-trip from Niagara Falls to Chicago O'Hare Intl Airport?

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 12 May 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet 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
436 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

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
436 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

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
9,701 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

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
3,332 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

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
11,661 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

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
11,019 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

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 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 5h 19m. Fly via Delta to get the fastest option. There are 702 km between Niagara Falls and Chicago O'Hare Intl Airport.

  • What are the cheapest airlines to fly from Niagara Falls to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 144. United Airlines flights start at C$ 154 while deals on American Airlines start at C$ 163 one-way.

  • 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 (100%), Copa Airlines (89%) and Japan Airlines (75%).

  • 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$ 1,738, our data shows the cheapest flight currently is C$ 198. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 319 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.

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
Downers Grove
Elk Grove Village
Racine
Naperville
Bolingbrook
Romeoville
Schaumburg

Browse thousands of different options on Cheapflights for your next trip

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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 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 220AverageC$ 470FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 222AverageC$ 411FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 241AverageC$ 451FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 261AverageC$ 393FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 365AverageC$ 470FlexibilityNo 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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