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Niagara Falls

$223+ Cheap flights from Illinois to Niagara Falls (IAG)

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAG
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from Illinois to Niagara Falls

One-way flights from Illinois to Niagara Falls
Search for one-way flight options from Illinois to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.

This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 3/2911:59 am
ORD
-
IAG
2 stops31h 16m
Multiple Airlines
Deal found 3/9$223
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Tue 4/76:10 pm
ORD
-
IAG
2 stops39h 14m
Multiple Airlines
Deal found 3/7$322

Find flight deals from Illinois to Niagara Falls

Keep the following information in mind while searching for Illinois to Niagara Falls flight deals. Data was last updated March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Chicago (CHI)-Niagara Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Niagara Falls flights.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 13, 2026.
Use the filters below to find and compare flights from Illinois to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

ChicagoNiagara Falls

ORD - IAG

ORDIAG

Chicago O'Hare Intl

Sun 3/29

11:59 am-8:15 pm

2 stops31h 16m

$223
Quickest one-way

ChicagoNiagara Falls

ORD - IAG

ORDIAG

Chicago O'Hare Intl

Sun 6/28

1:55 pm-6:03 pm

2 stops27h 08m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Sorted by cheapest first

Best time to book a flight from Illinois to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Illinois 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 Illinois to Niagara Falls

What is the cheapest month to book a flight from Illinois to Niagara Falls?

Currently, January is the cheapest month in which you can book a flight from Illinois to Niagara Falls (average of $98). Flying from Illinois to Niagara Falls in March is currently the most expensive (average of $274). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Niagara Falls from Illinois?

    Niagara Falls (IAG) is the airport you will fly into if you book a flight from Illinois to Niagara Falls. It is only a 5.7 mi journey from Niagara Falls (IAG) to Niagara Falls’s city center.

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

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

  • How can I find direct flights from Illinois to Niagara Falls?

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Niagara Falls (average of $98). Flying from Illinois to Niagara Falls in March is currently the most expensive (average of $274). 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

Traveling to a place near Niagara Falls?

Book flights to Niagara Falls if you plan to visit one of these locations
Lewiston

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