Cheap flights from Niagara Falls to Illinois from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Niagara Falls to Illinois departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Niagara Falls to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:14 am - 12:23 pm
IAG
-
ORD
26h 09m
1 stop
Multiple Airlines Logo
8:39 am - 3:31 pm
ORD
-
IAG
29h 52m
2 stops
$345Multiple Airlines
Sun, May 3 - Sun, May 10
Multiple Airlines Logo
11:14 am - 12:23 pm
IAG
-
ORD
26h 09m
1 stop
Multiple Airlines Logo
5:30 pm - 3:31 pm
ORD
-
IAG
21h 01m
1 stop
$401Multiple Airlines
Sun, May 3 - Sun, May 10

momondo 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, momondo users made 832,500 searches. Data last updated April 7, 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 round-trip

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Sun 5/3

11:14 am-12:23 pm

1 stop26h 09m

Chicago O'Hare Intl

Sun 5/10

8:39 am-3:31 pm

2 stops29h 52m

$345
Quickest round-trip

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Sun 5/3

11:14 am-12:23 pm

1 stop26h 09m

Chicago O'Hare Intl

Sun 5/10

5:30 pm-3:31 pm

1 stop21h 01m

$401
Cheapest one-way

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Mon 5/18

4:21 pm-11:40 am

2 stops20h 19m

$138

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Sun 5/17

11:14 am-12:23 pm

1 stop26h 09m

$150

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Fri 5/15

4:21 pm-7:51 pm

2 stops28h 30m

$160

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Mon 5/18

4:21 pm-7:51 pm

3 stops28h 30m

$180

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Thu 5/21

7:56 pm-12:37 pm

2 stops41h 41m

$203

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Sun 5/17

11:14 am-8:22 am

2 stops22h 08m

$208
Quickest one-way

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Thu 5/21

7:56 pm-12:23 pm

1 stop17h 27m

$265

Niagara FallsChicago

IAG - ORD

IAGORD

Niagara Falls

Thu 5/21

7:56 pm-12:37 pm

3 stops41h 41m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Niagara Falls to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Niagara Falls according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap Niagara Falls to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Niagara Falls to Illinois

Fastest flight time

26h 09m

Direct flights

None
The fastest flight from Niagara Falls to Illinois takes 26h 09m
There are no direct flights from Niagara Falls to Illinois. There are no popular flight routes from Niagara Falls to Illinois.

Frequently asked questions about flying from Niagara Falls to Illinois

  • When did momondo last update prices for flights from Niagara Falls Airport to Illinois?

    Prices for flights from Niagara Falls Airport to Illinois are updated daily.

  • How old do you have to be to fly from Niagara Falls Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Niagara Falls Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Niagara Falls to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Niagara Falls.

Can I find flights from Niagara Falls to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Niagara Falls with this policy.

How can momondo help me find flights from Niagara Falls to Illinois?

momondo helps you find the best flight between Niagara Falls and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Niagara Falls to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Niagara Falls to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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1 adult
Thu 5/7
Thu 5/14

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