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Cheap flights from Niagara Falls to Chicago O'Hare Intl Airport from C$ 166

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Niagara Falls to Chicago O'Hare Intl are usually found in May or April, booked 82 days in advance, depart on a Friday or Saturday and return on a Tuesday

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 29 April 2025.

Round-trip from

C$ 252

One-way from

C$ 166

Popular in

January

Cheapest in

May

Average price

C$ 388
Air Canada
  • Air Canada
  • 6/6-8/6
  • Nonstop
  • 3h 55m total
  • Niagara Falls to Chicago
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Air Canada
  • Air Canada
  • 11/6
  • 1 total stop
  • 5h 03m total
  • Niagara Falls to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 56 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 April 2025
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Find flight deals from Niagara Falls to O'Hare Intl

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 29 April 2025.

Fri 6/611:00 a.m.YYZ - ORD
Nonstop2h 01mAir Canada
Sun 8/67:04 a.m.ORD - YYZ
Nonstop1h 54mAir Canada
Deal found 28/4C$ 252
Mon 15/97:20 a.m.YYZ - ORD
1 stop8h 53mMultiple Airlines
Mon 22/93:50 p.m.ORD - YYZ
Nonstop1h 43mMultiple Airlines
Deal found 28/4C$ 297
Fri 30/56:30 a.m.YYZ - ORD
Nonstop1h 55mAmerican Airlines
Sun 1/66:00 a.m.ORD - YYZ
1 stop4h 55mAmerican Airlines
Deal found 28/4C$ 353
Thu 22/511:00 a.m.YYZ - ORD
Nonstop2h 01mUnited Airlines
Wed 28/56:00 a.m.ORD - YYZ
1 stop5h 46mUnited Airlines
Deal found 28/4C$ 359
Thu 22/512:30 p.m.YYZ - ORD
1 stop7h 50mDelta
Mon 2/61:45 p.m.ORD - YYZ
1 stop8h 13mDelta
Deal found 28/4C$ 367
Fri 13/66:30 a.m.YYZ - ORD
1 stop4h 33mWestJet
Thu 19/69:00 a.m.ORD - YYZ
1 stop4h 41mWestJet
Deal found 28/4C$ 388
Sat 17/56:30 a.m.YYZ - ORD
Nonstop1h 55mWestJet Encore
Sat 17/59:50 a.m.ORD - YYZ
Nonstop1h 40mWestJet Encore
Deal found 27/4C$ 402
Thu 22/52:10 p.m.YYZ - ORD
Nonstop1h 55mLufthansa
Sun 25/58:25 p.m.ORD - YYZ
Nonstop1h 42mLufthansa
Deal found 28/4C$ 414

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 29 April 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 6/6

11:00 a.m.-12:01 p.m.

Nonstop2h 01m

Chicago O'Hare Intl

Sun 8/6

7:04 a.m.-9:58 a.m.

Nonstop1h 54m

C$ 252

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 15/9

7:20 a.m.-3:13 p.m.

1 stop8h 53m

Chicago O'Hare Intl

Mon 22/9

3:50 p.m.-6:33 p.m.

Nonstop1h 43m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 30/5

6:30 a.m.-7:25 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sun 1/6

6:00 a.m.-11:55 a.m.

1 stop4h 55m

C$ 353

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 22/5

11:00 a.m.-12:01 p.m.

Nonstop2h 01m

Chicago O'Hare Intl

Wed 28/5

6:00 a.m.-12:46 p.m.

1 stop5h 46m

C$ 359

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 22/5

12:30 p.m.-7:20 p.m.

1 stop7h 50m

Chicago O'Hare Intl

Mon 2/6

1:45 p.m.-10:58 p.m.

1 stop8h 13m

C$ 367

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 13/6

6:30 a.m.-10:03 a.m.

1 stop4h 33m

Chicago O'Hare Intl

Thu 19/6

9:00 a.m.-2:41 p.m.

1 stop4h 41m

C$ 388

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 17/5

6:30 a.m.-7:25 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sat 17/5

9:50 a.m.-12:30 p.m.

Nonstop1h 40m

C$ 402

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 22/5

2:10 p.m.-3:05 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sun 25/5

8:25 p.m.-11:07 p.m.

Nonstop1h 42m

C$ 414

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 20/5

7:00 a.m.-11:32 a.m.

1 stop5h 32m

C$ 169

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 29/5

6:30 a.m.-12:05 a.m.

1 stop18h 35m

C$ 195

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 16 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 25 April 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 82 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, January is the cheapest month in which you can book a flight from Niagara Falls to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Niagara Falls to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 29 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls to Chicago O'Hare Intl Airport as you normally would.

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 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 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 29 April 2025.

The most flights from NI4 to ORD are scheduled on a Tuesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 29 April 2025.
To help decide which airline to fly from Niagara Falls to Chicago, see what other customers have to say about Delta, Aeromexico and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,697 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,823 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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$ 166. American Airlines flights start at C$ 197 while deals on United Airlines start at C$ 219 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 Copa Airlines (90%), Egyptair (89%) and ANA (85%).

  • 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$ 1,266, our data shows the cheapest flight currently is C$ 183. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 266 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, January is the cheapest month in which you can book a flight from Niagara Falls to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Niagara Falls to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 Niagara Falls?

Book flights to Niagara Falls if you plan to visit one of these locations
Elk Grove Village
Evanston
Downers Grove
Skokie
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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 276AverageC$ 349FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 301AverageC$ 521FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 302AverageC$ 382FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 330AverageC$ 453FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 429AverageC$ 585FlexibilityNo 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?

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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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