Cheap flights from Niagara Falls, ON to Chicago O'Hare Intl Airport from C$ 168
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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
19 Jan — 26 Jan1
Round-trip
1 adult
Economy
Round-trip
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 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 20 December 2025.
Sun 28/126:45 p.m.YYZ - ORD
Nonstop2h 00mAir Canada
Tue 3/22:00 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 18/12C$ 453
Wed 31/126:40 p.m.YYZ - ORD
1 stop5h 55mUnited Airlines
Fri 2/18:51 a.m.ORD - YYZ
1 stop9h 06mUnited Airlines
Deal found 17/12C$ 462
Tue 30/129:00 p.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Wed 7/11:13 p.m.ORD - YYZ
Nonstop1h 49mUnited Airlines
Deal found 20/12C$ 487
Wed 31/1212:09 p.m.YYZ - ORD
1 stop6h 13mWestJet
Sun 11/16:50 a.m.ORD - YYZ
1 stop3h 30mWestJet
Deal found 20/12C$ 494
Sun 28/122:15 p.m.YYZ - ORD
Nonstop1h 55mAir Canada
Wed 4/27:15 a.m.ORD - YYZ
1 stop5h 25mAir Canada
Deal found 18/12C$ 499
Tue 30/129:00 a.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Tue 13/18:52 a.m.ORD - YYZ
1 stop4h 22mUnited Airlines
Deal found 20/12C$ 501
Mon 29/125:15 p.m.YYZ - ORD
1 stop4h 21mMultiple Airlines
Tue 13/17:20 a.m.ORD - YYZ
1 stop10h 42mMultiple Airlines
Deal found 20/12C$ 505
Tue 30/127:40 p.m.YYZ - ORD
1 stop5h 04mUnited Airlines
Fri 9/19:15 p.m.ORD - YYZ
Nonstop1h 44mUnited Airlines
Deal found 20/12C$ 508
Mon 29/126:00 a.m.YYZ - ORD
1 stop10h 21mMultiple Airlines
Fri 9/17:21 p.m.ORD - YYZ
2 stops23h 50mMultiple Airlines
Deal found 18/12C$ 509
Tue 30/127:30 a.m.YYZ - ORD
1 stop6h 45mUnited Airlines
Thu 8/18:52 a.m.ORD - YYZ
1 stop4h 22mUnited Airlines
Deal found 20/12C$ 519
Thu 25/1212:14 p.m.YYZ - ORD
1 stop8h 24mWestJet
Thu 8/16:50 a.m.ORD - YYZ
1 stop3h 30mWestJet
Deal found 18/12C$ 522
Best flights from Niagara Falls to O'Hare Intl
Discover carefully curated flight deals from Niagara Falls to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 December 2025.
Tue 17/210:05 a.m.YYZ - ORD
1 stop4h 15mDelta
Fri 27/26:30 a.m.ORD - YYZ
1 stop3h 48mDelta
Deal found 20/12C$ 293
Fri 20/25:15 p.m.YYZ - ORD
1 stop4h 29mDelta
Fri 27/26:30 a.m.ORD - YYZ
1 stop3h 48mDelta
Deal found 20/12C$ 293
Sun 15/26:30 a.m.YYZ - ORD
1 stop6h 15mDelta
Thu 26/26:30 a.m.ORD - YYZ
1 stop3h 48mDelta
Deal found 20/12C$ 293
Sat 14/25:15 p.m.YYZ - ORD
1 stop4h 29mDelta
Sun 22/26:15 a.m.ORD - YYZ
1 stop8h 44mDelta
Deal found 20/12C$ 293
Wed 18/26:15 a.m.YYZ - ORD
1 stop4h 26mDelta
Tue 24/22:05 p.m.ORD - YYZ
1 stop4h 04mDelta
Deal found 20/12C$ 293
Mon 16/27:45 a.m.YYZ - ORD
1 stop6h 35mDelta
Wed 25/210:35 a.m.ORD - YYZ
1 stop7h 34mDelta
Deal found 20/12C$ 293
Thu 19/25:10 p.m.YYZ - ORD
1 stop5h 55mDelta
Thu 26/26:30 a.m.ORD - YYZ
1 stop3h 48mDelta
Deal found 20/12C$ 293
Tue 17/210:05 a.m.YYZ - ORD
1 stop4h 15mDelta
Sun 22/210:35 a.m.ORD - YYZ
1 stop4h 35mDelta
Deal found 20/12C$ 293
Wed 18/210:05 a.m.YYZ - ORD
1 stop4h 15mDelta
Sun 22/210:35 a.m.ORD - YYZ
1 stop4h 35mDelta
Deal found 20/12C$ 293
Tue 17/210:05 a.m.YYZ - ORD
1 stop4h 15mDelta
Mon 23/29:35 a.m.ORD - YYZ
1 stop5h 39mDelta
Deal found 20/12C$ 293
Fri 20/25:10 p.m.YYZ - ORD
1 stop5h 55mDelta
Wed 25/26:30 a.m.ORD - YYZ
1 stop3h 48mDelta
Deal found 20/12C$ 293
Tue 17/210:05 a.m.YYZ - ORD
1 stop4h 15mDelta
Thu 26/26:30 a.m.ORD - YYZ
1 stop3h 48mDelta
Deal found 20/12C$ 293
Direct flights from Niagara Falls to O'Hare Intl
Explore direct flight options from Niagara Falls to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 December 2025.
Fri 23/14:50 p.m.YYZ - ORD
Nonstop1h 58mAir Canada
Sun 1/28:40 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 20/12C$ 259
Thu 5/26:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Sun 8/28:07 a.m.ORD - YYZ
Nonstop1h 46mAmerican Airlines
Deal found 20/12C$ 266
Sun 1/29:00 p.m.YYZ - ORD
Nonstop2h 05mAir Canada
Sun 8/22:00 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 18/12C$ 283
Wed 21/19:00 a.m.YYZ - ORD
Nonstop2h 06mUnited Airlines
Wed 28/111:15 a.m.ORD - YYZ
Nonstop1h 46mUnited Airlines
Deal found 17/12C$ 293
Tue 6/19:00 a.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Tue 6/16:28 p.m.ORD - YYZ
Nonstop1h 53mUnited Airlines
Deal found 19/12C$ 313
Thu 5/211:00 a.m.YYZ - ORD
Nonstop2h 08mLufthansa
Sun 8/24:50 p.m.ORD - YYZ
Nonstop1h 55mLufthansa
Deal found 20/12C$ 319
Fri 16/19:00 p.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Fri 23/14:50 p.m.ORD - YYZ
Nonstop1h 55mUnited Airlines
Deal found 19/12C$ 330
Last-minute flights from Niagara Falls to O'Hare Intl
Discover last-minute flight deals from Niagara Falls to O'Hare Intl. Data last updated 20 December 2025 and is based on user searches.
Mon 12/13:40 p.m.YYZ - ORD
1 stop20h 42mMultiple Airlines
Sun 18/11:13 p.m.ORD - YYZ
1 stop24h 27mMultiple Airlines
Deal found 20/12C$ 288
Mon 12/13:40 p.m.YYZ - ORD
1 stop20h 42mMultiple Airlines
Sat 17/17:21 p.m.ORD - YYZ
1 stop18h 33mMultiple Airlines
Deal found 20/12C$ 294
Tue 13/13:40 p.m.YYZ - ORD
1 stop20h 42mMultiple Airlines
Sun 18/11:13 p.m.ORD - YYZ
1 stop24h 27mMultiple Airlines
Deal found 20/12C$ 290
Tue 13/13:40 p.m.YYZ - ORD
1 stop20h 42mMultiple Airlines
Sat 17/17:21 p.m.ORD - YYZ
1 stop18h 33mMultiple Airlines
Deal found 20/12C$ 295
Mon 19/17:35 a.m.YYZ - ORD
1 stop27h 08mMultiple Airlines
Wed 28/15:32 p.m.ORD - YYZ
1 stop28h 48mMultiple Airlines
Deal found 17/12C$ 275
Mon 19/17:35 a.m.YYZ - ORD
1 stop27h 08mMultiple Airlines
Tue 3/25:32 p.m.ORD - YYZ
1 stop28h 48mMultiple Airlines
Deal found 18/12C$ 287
Tue 20/17:35 a.m.YYZ - ORD
1 stop15h 29mMultiple Airlines
Wed 28/15:32 p.m.ORD - YYZ
1 stop28h 48mMultiple Airlines
Deal found 17/12C$ 276
Wed 21/17:35 a.m.YYZ - ORD
1 stop15h 29mMultiple Airlines
Wed 28/15:32 p.m.ORD - YYZ
1 stop28h 48mMultiple Airlines
Deal found 17/12C$ 273
Wed 21/13:30 p.m.YYZ - ORD
Nonstop2h 10mUnited Airlines
Thu 22/17:10 a.m.ORD - YYZ
Nonstop1h 48mUnited Airlines
Deal found 17/12C$ 293
Thu 22/17:10 a.m.YYZ - ORD
1 stop15h 54mMultiple Airlines
Wed 28/15:32 p.m.ORD - YYZ
1 stop28h 48mMultiple Airlines
Deal found 17/12C$ 279
Fri 23/14:50 p.m.YYZ - ORD
Nonstop1h 58mAir Canada
Sun 1/28:40 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 20/12C$ 259
One-way flights from Niagara Falls to O'Hare Intl
Search for one-way flight options from Niagara Falls to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 20 December 2025.
Mon 2/210:59 a.m.YYZ - ORD
1 stop6h 10mAmerican Airlines
Deal found 20/12C$ 168
Wed 14/13:40 p.m.YYZ - ORD
1 stop9h 06mMultiple Airlines
Deal found 19/12C$ 175
Tue 17/26:15 a.m.YYZ - ORD
1 stop8h 07mDelta
Deal found 19/12C$ 179
Wed 21/17:35 a.m.YYZ - ORD
1 stop15h 29mMultiple Airlines
Deal found 19/12C$ 181
Fri 16/13:30 p.m.YYZ - ORD
Nonstop2h 10mUnited Airlines
Deal found 19/12C$ 182
Tue 20/17:35 a.m.YYZ - ORD
1 stop27h 08mMultiple Airlines
Deal found 18/12C$ 184
Thu 22/17:40 a.m.YYZ - ORD
1 stop15h 56mMultiple Airlines
Deal found 20/12C$ 186
Thu 15/17:10 a.m.YYZ - ORD
1 stop15h 54mMultiple Airlines
Deal found 17/12C$ 188
Tue 17/23:40 p.m.YYZ - ORD
1 stop20h 42mMultiple Airlines
Deal found 18/12C$ 192
Fri 16/110:00 a.m.YYZ - ORD
1 stop5h 55mAir Canada
Deal found 19/12C$ 193
Tue 6/15:30 p.m.YYZ - ORD
Nonstop2h 20mLufthansa
Deal found 20/12C$ 195
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 20 December 2025.
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 20 December 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
Tue 17/2
10:05 a.m.-1:20 p.m.
1 stop4h 15m
Chicago O'Hare Intl
Fri 27/2
6:30 a.m.-11:18 a.m.
1 stop3h 48m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Fri 20/2
5:15 p.m.-8:44 p.m.
1 stop4h 29m
Chicago O'Hare Intl
Fri 27/2
6:30 a.m.-11:18 a.m.
1 stop3h 48m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sun 15/2
6:30 a.m.-11:45 a.m.
1 stop6h 15m
Chicago O'Hare Intl
Thu 26/2
6:30 a.m.-11:18 a.m.
1 stop3h 48m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sat 14/2
5:15 p.m.-8:44 p.m.
1 stop4h 29m
Chicago O'Hare Intl
Sun 22/2
6:15 a.m.-3:59 p.m.
1 stop8h 44m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Wed 18/2
6:15 a.m.-9:41 a.m.
1 stop4h 26m
Chicago O'Hare Intl
Tue 24/2
2:05 p.m.-7:09 p.m.
1 stop4h 04m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Mon 16/2
7:45 a.m.-1:20 p.m.
1 stop6h 35m
Chicago O'Hare Intl
Wed 25/2
10:35 a.m.-7:09 p.m.
1 stop7h 34m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Thu 19/2
5:10 p.m.-10:05 p.m.
1 stop5h 55m
Chicago O'Hare Intl
Thu 26/2
6:30 a.m.-11:18 a.m.
1 stop3h 48m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Tue 17/2
10:05 a.m.-1:20 p.m.
1 stop4h 15m
Chicago O'Hare Intl
Sun 22/2
10:35 a.m.-4:10 p.m.
1 stop4h 35m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Wed 18/2
10:05 a.m.-1:20 p.m.
1 stop4h 15m
Chicago O'Hare Intl
Sun 22/2
10:35 a.m.-4:10 p.m.
1 stop4h 35m
C$ 293
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Tue 17/2
10:05 a.m.-1:20 p.m.
1 stop4h 15m
Chicago O'Hare Intl
Mon 23/2
9:35 a.m.-4:14 p.m.
1 stop5h 39m
C$ 293
Flights are sorted by cheapest round-trip flights first.
Deals found on 20/12
Showing 1-10 of 22 results
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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 12 December 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 84 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$ 113). Flying from Niagara Falls to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 266). 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 20 December 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 afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the evening.
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 20 December 2025.
The most flights from NI4 to ORD are scheduled on a Friday (61 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (34 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 20 December 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.
It's good. Planes are new and fresh. WiFi is best and stands out
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 4h 15m. 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 Porter Airlines, which is currently one of the cheapest options available, starting at C$ 128. United Airlines flights start at C$ 162 while deals on American Airlines start at C$ 164 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 (83%), Japan Airlines (80%) and Egyptair (78%).
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$ 2,027, our data shows the cheapest flight currently is C$ 146. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay C$ 262 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$ 113). Flying from Niagara Falls to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 266). 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.
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 December 2025.
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 20 December 2025.
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 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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