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Niagara Falls

$90+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 Thursday

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 March 23, 2026.

This Mytrip deal was found by Cheapflights users on 3/21. 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.
Fri 7/311:05 am
ORD
-
YYZ
1 stop6h 00m
Air Canada
Sun 7/58:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 3/21$216
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Fri 7/1712:55 pm
ORD
-
YYZ
Nonstop1h 51m
United Airlines
Thu 7/238:50 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 3/18$222
This Air Canada deal was found by Cheapflights users on 3/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:40 pm
ORD
-
YYZ
1 stop6h 15m
Air Canada
Mon 7/208:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 3/22$231
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 7/186:00 am
ORD
-
YYZ
1 stop4h 43m
United Airlines
Fri 7/248:50 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 3/18$232
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 6/2310:43 am
ORD
-
YYZ
Nonstop1h 59m
United Airlines
Tue 7/75:15 pm
YYZ
-
ORD
Nonstop2h 03m
United Airlines
Deal found 3/18$233
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Mon 6/87:09 am
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Mon 6/812:45 pm
YYZ
-
ORD
1 stop8h 47m
United Airlines
Deal found 3/21$234
This Trip.com deal was found by Cheapflights users on 3/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:15 pm
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Sun 4/126:15 am
YYZ
-
ORD
1 stop5h 38m
Air Canada
Deal found 3/21$236
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 7/117:09 am
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Sat 7/117:43 pm
YYZ
-
ORD
1 stop4h 43m
United Airlines
Deal found 3/19$238
This Air Canada deal was found by Cheapflights users on 3/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:40 pm
ORD
-
YYZ
1 stop6h 15m
Air Canada
Sat 7/186:15 am
YYZ
-
ORD
1 stop5h 01m
Air Canada
Deal found 3/22$240
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:40 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Wed 7/16:15 am
YYZ
-
ORD
1 stop5h 01m
Air Canada
Deal found 3/20$242
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Thu 6/1112:55 pm
ORD
-
YYZ
Nonstop1h 51m
United Airlines
Sun 6/1411:00 am
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 3/22$244

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Mytrip)

One-way from

$90
(Kissandfly.com)

Popular in

March

Cheapest in

September

Average price

$398
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
Search Deals
One-way flight from Chicago O'Hare Intl to Niagara Falls
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 23, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 6/12

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Sun 6/14

7:00 am-8:00 am

Nonstop2h 00m

$244

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/6

9:15 pm-11:59 pm

Nonstop1h 44m

Toronto Pearson Intl

Sat 6/20

8:50 am-9:50 am

Nonstop2h 00m

$244

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/29

2:00 pm-10:59 pm

1 stop7h 59m

Toronto Pearson Intl

Sun 5/31

6:10 am-10:29 am

1 stop5h 19m

$248

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 6/5

5:41 pm-11:14 pm

1 stop4h 33m

Toronto Pearson Intl

Sun 6/7

6:10 am-10:45 am

1 stop5h 35m

$269

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 6/3

2:00 pm-10:59 pm

1 stop7h 59m

Toronto Pearson Intl

Mon 6/8

2:29 pm-6:29 pm

1 stop5h 00m

$269

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/6

7:00 am-1:30 pm

1 stop5h 30m

Toronto Pearson Intl

Sat 6/20

6:10 am-10:35 am

1 stop5h 25m

$269

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 4/16

5:57 pm-8:44 pm

Nonstop1h 47m

Toronto Pearson Intl

Sat 4/18

8:50 am-9:50 am

Nonstop2h 00m

$310

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 4/18

7:04 am-9:54 am

Nonstop1h 50m

Toronto Pearson Intl

Sun 4/19

8:50 am-9:50 am

Nonstop2h 00m

$310

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 4/29

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Mon 5/4

9:00 pm-10:01 pm

Nonstop2h 01m

$310

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 4/10

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Fri 4/17

1:00 pm-2:01 pm

Nonstop2h 01m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 23 resultsSorted by cheapest first
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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 March 13, 2026.

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 March is currently the most expensive (average of $220). 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 March 23, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 47% 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 March 14, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Niagara Falls flight should consider departing on Sunday 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 March 23, 2026.

The most flights from ORD to NI4 are scheduled on a Monday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (54 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 March 23, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,Qantas Airways, andUnited 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
427 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
427 reviews
Porter Airlines
8.0
Very good
427 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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.
Qantas Airways
7.5
Good
1,009 reviews
Porter Airlines
8.0
Very good
427 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
9,465 reviews
Porter Airlines
8.0
Very good
427 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
11,486 reviews
Porter Airlines
8.0
Very good
427 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
10,835 reviews
Porter Airlines
8.0
Very good
427 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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 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 and Delta fly from Chicago O'Hare Intl Airport to Niagara Falls in about 1h 44m. The time it takes to get you to your destination can typically vary by up to 6h 15m. 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 (88%), Republic Airways (72%), Alaska Airlines (69%).

  • 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 $91. On average you can expect to pay $1,330. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $219.

  • 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 March is currently the most expensive (average of $220). 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 6 airlines flying from O'Hare Intl to Niagara Falls

Discover the top 6 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$105Average$234FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$145Average$284FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$160Average$403FlexibilityNo cancel feeOn-time74%
WestJetCheapest$170Average$319FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$213Average$354FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$278Average$403FlexibilityNo cancel feeOn-time52%

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