HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$86+ Cheap flights from O'Hare Intl (ORD) to Niagara Falls, ON, Canada

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Niagara Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Niagara Falls are usually found in September or July, booked 83 days in advance, depart on a Thursday or Friday and return on a Saturday

Find flight deals from O'Hare Intl to Niagara Falls

Cheapest flights from O'Hare Intl to Niagara Falls
Explore the most affordable flight options available from O'Hare Intl to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:35 amORD - YYZ
1 stop4h 27mAmerican Airlines
Mon 11/246:00 amYYZ - ORD
Nonstop2h 15mAmerican Airlines
Deal found 10/27$194
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:55 pmORD - YYZ
Nonstop1h 49mAmerican Airlines
Sun 12/76:00 amYYZ - ORD
1 stop6h 03mAmerican Airlines
Deal found 10/27$200
This Flybillet deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:15 pmORD - YYZ
Nonstop1h 39mAir Canada
Sun 12/77:00 amYYZ - ORD
1 stop5h 18mAir Canada
Deal found 10/27$206
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amORD - YYZ
Nonstop1h 40mAir Canada
Fri 11/282:15 pmYYZ - ORD
Nonstop1h 55mAir Canada
Deal found 10/29$208
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:50 pmORD - YYZ
Nonstop1h 55mUnited Airlines
Sat 1/173:30 pmYYZ - ORD
Nonstop2h 10mUnited Airlines
Deal found 10/29$210
This Flightnetwork deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:00 amORD - YYZ
Nonstop1h 40mAir Canada
Sun 12/76:20 amYYZ - ORD
1 stop5h 58mAir Canada
Deal found 10/27$212

Cheap flight deals from O'Hare Intl to Niagara Falls

Keep the following information in mind while searching for O'Hare Intl to Niagara Falls flight deals. Data was last updated October 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$194
(American Airlines)

One-way from

$86
(American Airlines)

Popular in

February

Cheapest in

September

Average price

$337
Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Toronto (YTO) flights.
Search Deals
From Chicago O'Hare Intl to Niagara Falls
Search Deals
One-way flight from Chicago O'Hare Intl to Niagara Falls
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Niagara Falls 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 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Niagara Falls that are best for you.

Fly from

O'Hare Intl

Fly to

Niagara Falls

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 12/17

9:10 pm-11:59 pm

Nonstop1h 49m

Toronto Pearson Intl

Sun 1/18

6:30 pm-7:30 pm

Nonstop2h 00m

$210

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 12/17

4:50 pm-7:45 pm

Nonstop1h 55m

Toronto Pearson Intl

Sat 1/17

3:30 pm-4:40 pm

Nonstop2h 10m

$210

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 12/16

6:28 pm-9:21 pm

Nonstop1h 53m

Toronto Pearson Intl

Fri 1/16

9:00 pm-10:05 pm

Nonstop2h 05m

$210

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 12/15

9:10 pm-11:59 pm

Nonstop1h 49m

Toronto Pearson Intl

Fri 1/16

9:00 pm-10:05 pm

Nonstop2h 05m

$210

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 12/16

8:45 am-2:14 pm

1 stop4h 29m

Toronto Pearson Intl

Sat 1/17

8:55 am-10:01 am

Nonstop2h 06m

$220

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 12/15

11:00 am-5:49 pm

1 stop5h 49m

Toronto Pearson Intl

Thu 1/15

3:30 pm-4:40 pm

Nonstop2h 10m

$220

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 12/10

9:40 am-4:24 pm

1 stop5h 44m

Toronto Pearson Intl

Fri 12/12

6:05 am-10:00 am

1 stop4h 55m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 12/11

6:45 am-11:25 am

1 stop3h 40m

Toronto Pearson Intl

Sun 12/14

3:38 pm-6:27 pm

1 stop3h 49m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 12/13

6:45 am-11:25 am

1 stop3h 40m

Toronto Pearson Intl

Sun 12/14

3:38 pm-6:27 pm

1 stop3h 49m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 11/22

5:08 pm-11:05 pm

1 stop4h 57m

Toronto Pearson Intl

Mon 11/24

6:30 am-11:34 am

1 stop6h 04m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Niagara Falls. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Niagara Falls, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Niagara Falls (average of $106). Flying from Chicago O'Hare Intl Airport to Niagara Falls in July is currently the most expensive (average of $187). 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 ORD to NI4?

Find hourly flight availability from O'Hare Intl to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Chicago O'Hare Intl Airport to Niagara Falls by exploring options for tickets in the morning.

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

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

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Niagara Falls flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated October 29, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Niagara Falls 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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
9,001 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
11,032 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
10,372 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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 O'Hare Intl to Niagara Falls. 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 Chicago O'Hare Intl Airport to Niagara Falls?

    Airlines like United Airlines fly from Chicago O'Hare Intl Airport to Niagara Falls in about 1h 55m. The time it takes to get you to your destination is usually consistent. There are 436 mi between Chicago O'Hare Intl Airport and Niagara Falls. All flights are typically nonstop.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Niagara Falls on time: Finnair (92%), Qatar Airways (91%), British Airways (89%).

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

    The cheapest flight price from Chicago O'Hare Intl Airport to Niagara Falls is $122. On average you can expect to pay $826. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $166.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Niagara Falls (average of $106). Flying from Chicago O'Hare Intl Airport to Niagara Falls in July is currently the most expensive (average of $187). 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

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 4 airlines flying from O'Hare Intl to Niagara Falls

Discover the top 4 airlines that operate flights from O'Hare Intl to Niagara Falls. 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 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$109Average$307FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$118Average$264FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$146Average$311FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$223Average$388FlexibilityNo cancel feeOn-time71%

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.