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 $84. United Airlines flights start at $94 while deals on American Airlines start at $96 one-way.

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

The most flights from ORD to NI4 are scheduled on a Friday (70 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (48 on average).

In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

If weather is an important factor for your trip to Niagara Falls, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 $95. On average you can expect to pay $1,660. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $366.

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%), Finnair (78%), Republic Airways (76%).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Niagara Falls?

Consider United Airlines, Air Canada or American Airlines when booking your flight. These represent the most popular airlines when flying from Chicago O'Hare Intl Airport to Niagara Falls.

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.

Find Cheap Flights from Chicago O'Hare Intl Airport to Niagara Falls

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Niagara Falls are usually found in February or May, booked 49 days in advance, depart on a Thursday or Wednesday and return on a Friday

Find flight deals from O'Hare Intl to Niagara Falls

Most accurate provider	FlightHub 3 stars
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Popular in	March
Cheapest in	February
Average price	$353

Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.

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High demand for flights, 1% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Everything you need to know about your flight from Chicago O'Hare Intl Airport to Niagara Falls

Prices

Airlines

What is the cheapest time of day to fly from ORD to NI4?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 33% 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?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Niagara Falls flight should consider departing on Friday afternoons 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.

Reviews of airlines servicing Niagara Falls

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

463 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Porter Airlines

8.0

Very good

463 reviews

Porter Airlines

8.0

Very good

463 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Qantas Airways

7.5

Good

1,102 reviews

Porter Airlines

8.0

Very good

463 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

United Airlines

7.4

Good

10,246 reviews

Porter Airlines

8.0

Very good

463 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Canada

7.1

Good

11,701 reviews

Porter Airlines

8.0

Very good

463 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

American Airlines

7.0

Good

12,099 reviews

Porter Airlines

8.0

Very good

463 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

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 $84. United Airlines flights start at $94 while deals on American Airlines start at $96 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%), Finnair (78%), Republic Airways (76%).
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 $95. On average you can expect to pay $1,660. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $366.
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.

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Top 5 airlines flying from O'Hare Intl to Niagara Falls

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$160	Average$403	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$170	Average$291	FlexibilityNo cancel fee	On-time67%
Porter Airlines	Cheapest$198	Average$376	FlexibilityNo cancel fee	On-time52%
United Airlines	Cheapest$222	Average$351	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$223	Average$380	FlexibilityNo cancel fee	On-time71%

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Cheap flights from O'Hare Intl (ORD) to Niagara Falls, Canada

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from O'Hare Intl to Niagara Falls

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from ORD to NI4?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 33% 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?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Niagara Falls flight should consider departing on Friday afternoons 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 Chicago O'Hare Intl Airport to Niagara Falls

The most flights from ORD to NI4 are scheduled on a Friday (70 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (48 on average).

Reviews of airlines servicing Niagara Falls

Related info for your journey

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

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

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

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

How can I 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?

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.

Alternative routes for O'Hare Intl to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from O'Hare Intl to Niagara Falls by cabin class

Find flights from O'Hare Intl to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'Hare Intl and Niagara Falls flights

Browse other O'Hare Intl and Niagara Falls flight options. Last updated on September 28, 2026.

Other flights from O'Hare Intl

Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.

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