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$274+ Cheap flights from Niagara Falls (IAG) to Illinois

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — ORD
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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Cheap flight deals from Niagara Falls to Illinois

One-way flights from Niagara Falls to Illinois
Search for one-way flight options from Niagara Falls to Illinois. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:48 pm
IAG
-
ORD
3 stops31h 39m
Multiple Airlines
Deal found 3/20$274
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:41 pm
IAG
-
ORD
3 stops33h 36m
Multiple Airlines
Deal found 3/19$282
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:11 am
IAG
-
ORD
3 stops48h 12m
Multiple Airlines
Deal found 3/19$317
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/29:55 am
IAG
-
ORD
3 stops50h 22m
Multiple Airlines
Deal found 3/24$504

Find flight deals from Niagara Falls to Illinois

Keep the following information in mind while searching for Niagara Falls to Illinois flight deals. Data was last updated March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Illinois 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 25, 2026.
Use the filters below to find and compare flights from Niagara Falls to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way
Quickest one-way

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Fri 6/5

5:48 pm-12:27 am

3 stops31h 39m

$274

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Thu 4/2

9:55 am-11:17 am

3 stops50h 22m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Sorted by cheapest first

Best time to book a flight from Niagara Falls to Illinois

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

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

Currently, July is the cheapest month in which you can book a flight from Niagara Falls to Illinois (average of $77). Flying from Niagara Falls to Illinois in December is currently the most expensive (average of $259). 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 Niagara Falls to Illinois. 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 from for flights from Niagara Falls to Illinois?

    Located just 5.7 mi from the city center, Niagara Falls (IAG) is the airport most travelers will use when flying to Illinois from Niagara Falls.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Niagara Falls to Illinois (average of $77). Flying from Niagara Falls to Illinois in December is currently the most expensive (average of $259). 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.

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