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Niagara Falls

$81+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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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 Friday

Cheap 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 diciembre 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/12. 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.
lun. 12/296:16 pmORD - YYZ
Nonstop2h 05mUnited Airlines
jue. 1/19:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 12/12$282
This United Airlines deal was found by Cheapflights users on 12/13. 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.
lun. 12/293:55 pmORD - YYZ
Nonstop1h 39mUnited Airlines
sáb. 1/35:30 pmYYZ - ORD
Nonstop2h 20mUnited Airlines
Deal found 12/13$318
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/175:00 amORD - YYZ
1 stop17h 20mMultiple Airlines
jue. 1/87:35 amYYZ - ORD
1 stop27h 08mMultiple Airlines
Deal found 12/15$358
This United Airlines deal was found by Cheapflights users on 12/13. 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.
mié. 12/316:21 pmORD - YYZ
1 stop4h 25mUnited Airlines
lun. 1/57:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Deal found 12/13$364
This United Airlines deal was found by Cheapflights users on 12/13. 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.
sáb. 12/276:16 pmORD - YYZ
Nonstop2h 05mUnited Airlines
lun. 12/299:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 12/13$371
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/255:25 amORD - YYZ
2 stops29h 18mMultiple Airlines
mar. 1/67:35 amYYZ - ORD
1 stop25h 49mMultiple Airlines
Deal found 12/13$378
This United Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 12/306:21 pmORD - YYZ
1 stop4h 25mUnited Airlines
vie. 1/26:50 amYYZ - ORD
Nonstop2h 13mUnited Airlines
Deal found 12/15$381
This United Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 12/301:13 pmORD - YYZ
Nonstop1h 49mUnited Airlines
mar. 12/307:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Deal found 12/15$384
This United Airlines deal was found by Cheapflights users on 12/15. 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.
lun. 12/296:16 pmORD - YYZ
Nonstop2h 05mUnited Airlines
mar. 12/307:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Deal found 12/15$386

Find 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 diciembre 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$184
(SmartFares)

One-way from

$81
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$375
Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Toronto (YTO) flights.
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From Chicago O'Hare Intl to Niagara Falls
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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 ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 15, 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

jue. 2/19

6:40 am-5:28 pm

1 stop9h 48m

Toronto Pearson Intl

dom. 2/22

4:43 pm-5:43 pm

Nonstop2h 00m

$195

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

jue. 2/5

1:13 pm-4:02 pm

Nonstop1h 49m

Toronto Pearson Intl

lun. 2/9

11:00 am-12:08 pm

Nonstop2h 08m

$208

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

lun. 1/26

4:50 pm-7:45 pm

Nonstop1h 55m

Toronto Pearson Intl

lun. 2/2

3:30 pm-4:40 pm

Nonstop2h 10m

$211

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

vie. 1/30

7:10 am-9:58 am

Nonstop1h 48m

Toronto Pearson Intl

lun. 2/2

3:30 pm-4:40 pm

Nonstop2h 10m

$211

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

jue. 2/12

6:20 pm-11:46 pm

1 stop4h 26m

Toronto Pearson Intl

lun. 2/16

8:45 am-9:50 am

Nonstop2h 05m

$220

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

vie. 2/13

4:10 pm-11:20 pm

1 stop6h 10m

Toronto Pearson Intl

lun. 2/16

5:30 pm-6:40 pm

Nonstop2h 10m

$220

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

vie. 2/13

6:15 am-3:59 pm

1 stop8h 44m

$89

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

jue. 2/12

9:35 am-5:47 pm

1 stop7h 12m

$89

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

dom. 2/15

10:35 am-4:10 pm

1 stop4h 35m

$89

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

mar. 2/10

1:57 pm-10:56 pm

1 stop7h 59m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 13 results
1
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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 December 12, 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Niagara Falls (average of $85). Flying from Chicago O'Hare Intl Airport to Niagara Falls in December is currently the most expensive (average of $211). 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 diciembre 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 67% 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 Monday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to Niagara Falls

Explore weekly flight availability from O'Hare Intl to Niagara Falls. 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 diciembre 15, 2025.

The most flights from ORD to NI4 are scheduled on a Monday (64 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (19 on average).

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 diciembre 15, 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
399 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,092 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,051 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,525 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

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 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 American Airlines and United Airlines fly from Chicago O'Hare Intl Airport to Niagara Falls in about 1h 49m. The time it takes to get you to your destination can typically vary by up to 7h 59m. There are 436 mi between Chicago O'Hare Intl Airport and Niagara Falls. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $64. United Airlines flights start at $69 while deals on American Airlines start at $74 one-way.

  • 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: Korean Air (94%), SkyWest Airlines (82%), Japan Airlines (79%).

  • 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 $67. On average you can expect to pay $1,258. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $177.

  • 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Niagara Falls (average of $85). Flying from Chicago O'Hare Intl Airport to Niagara Falls in December is currently the most expensive (average of $211). 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

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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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$116Average$247FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$146Average$298FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$215Average$378FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$294Average$466FlexibilityNo cancel feeOn-time52%

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