What are the cheapest airlines to fly from Chicago to Niagara Falls one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $84. Users have also found prices from $94 and $96 on United Airlines and American Airlines, respectively.

Weekly flight availability from Chicago to Niagara Falls

The most flights from CHI to NI4 are scheduled on a Wednesday (69 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (46 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 to Niagara Falls?

Looking for the cheapest flight from Chicago to Niagara Falls? While on average our users pay $1,014, our data indicates the cheapest price to be $95. The most popular route (Chicago O'Hare Intl - Toronto Pearson Intl), is priced around $308.

What are the most reliable airlines from Chicago to Niagara Falls?

Consider Korean Air (90%), Republic Airways (81%) or Finnair (77%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Niagara Falls.

What are the most popular airlines that fly from Chicago 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 to Niagara Falls.

Can I find deals for flights from Chicago to Niagara Falls that include hotel bookings?

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

How can I find direct flights from Chicago to Niagara Falls?

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

Can I find deals for business class flights from Chicago to Niagara Falls?

Yes. Cheapflights offers flight deals from Chicago 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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Cheapflights Tip: The best prices from Chicago to Niagara Falls are usually found in February or November, booked 76 days in advance, depart on a Thursday or Wednesday and return on a Friday

Find flight deals from Chicago to Niagara Falls

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	March
Cheapest in	February
Average price	$360

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

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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Chicago to Niagara Falls

Prices

Airlines

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

It’s typically best to fly out from Chicago to Niagara Falls in the morning. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago to Niagara Falls?

Travelers seeking maximum savings on their Chicago to Niagara Falls flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Niagara Falls

See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from Chicago to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

468 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

468 reviews

Porter Airlines

8.0

Very good

468 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

10,334 reviews

Porter Airlines

8.0

Very good

468 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

11,751 reviews

Porter Airlines

8.0

Very good

468 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

12,152 reviews

Porter Airlines

8.0

Very good

468 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 to Niagara Falls one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $84. Users have also found prices from $94 and $96 on United Airlines and American Airlines, respectively.
What are the most reliable airlines from Chicago to Niagara Falls?
Consider Korean Air (90%), Republic Airways (81%) or Finnair (77%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Niagara Falls.
What are the cheapest flights from Chicago to Niagara Falls?
Looking for the cheapest flight from Chicago to Niagara Falls? While on average our users pay $1,014, our data indicates the cheapest price to be $95. The most popular route (Chicago O'Hare Intl - Toronto Pearson Intl), is priced around $308.
Can I find deals for flights from Chicago to Niagara Falls that include hotel bookings?
Yes. In addition to deals on Chicago to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Niagara Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Niagara Falls.
Can I find deals for business class flights from Chicago to Niagara Falls?
Yes. Cheapflights offers flight deals from Chicago 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 6 airlines flying from Chicago to Niagara Falls

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$88	Average$387	FlexibilityNo cancel fee	On-timeN/A
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$193	Average$353	FlexibilityNo cancel fee	On-time52%
United Airlines	Cheapest$222	Average$350	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$223	Average$388	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Chicago (CHI) to Niagara Falls, Canada

Find cheap flights from Chicago 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 Chicago to Niagara Falls

Most accurate provider

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Popular in

Cheapest in

Average price

Cheapflights Insights

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

It’s typically best to fly out from Chicago to Niagara Falls in the morning. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago to Niagara Falls?

Travelers seeking maximum savings on their Chicago to Niagara Falls flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Niagara Falls

The most flights from CHI to NI4 are scheduled on a Wednesday (69 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (46 on average).

Reviews of airlines servicing Niagara Falls

See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from Chicago to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from Chicago to Niagara Falls one-way?

What are the most reliable airlines from Chicago to Niagara Falls?

What are the cheapest flights from Chicago to Niagara Falls?

Can I find deals for flights from Chicago to Niagara Falls that include hotel bookings?

How can I find direct flights from Chicago to Niagara Falls?

Can I find deals for business class flights from Chicago to Niagara Falls?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Niagara Falls

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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 Chicago to Niagara Falls by cabin class

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

Chicago and Niagara Falls flights

Browse other Chicago and Niagara Falls flight options. Last updated on October 10, 2026.

Other flights from Chicago

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Top 6 airlines flying from Chicago to Niagara Falls

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