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Find cheap one-way flights from Chicago to Niagara Falls starting at US$127.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Chicago to Niagara Falls?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Chicago to Niagara Falls

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$127
Spirit Airlines
From US$166
Allegiant Air
From US$186
American Airlines
From US$203
United Airlines
From US$233
Sun Country Airlines
From US$299
Delta Air Lines
From US$307
ANA airlines

Find more flights and airlines

Find cheap flights from Chicago to Niagara Falls by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Chicago to Niagara Falls.

  • Cheapest
    Frontier Airlines
    MDW
    19:34
    18h 12m
    1 transfer
    IAG
    14:46
    Midway International Airport - Niagara Falls International Airport
    Tue, Apr 9Frontier Airlines
    US$127
  • Spirit Airlines
    ORD
    17:20
    20h 26m
    2 transfer
    IAG
    14:46
    O'Hare International Airport - Niagara Falls International Airport
    Tue, Apr 9Spirit Airlines
    US$166
  • Allegiant Air
    RFD
    18:57
    17h 49m
    1 transfer
    IAG
    13:46
    Chicago Rockford International Airport - Niagara Falls International Airport
    Fri, Apr 12Allegiant Air
    US$186
  • Allegiant Air
    RFD
    18:57
    17h 49m
    1 transfer
    IAG
    13:46
    Chicago Rockford International Airport - Niagara Falls International Airport
    Fri, Apr 12Allegiant Air
    US$186
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Chicago (CHI) to Niagara Falls (IAG) the cheapest?

    Airlines adjust prices for flights from Chicago to Niagara Falls based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Chicago (CHI) to Niagara Falls (IAG) cost?

    According to Trip.com's data, the lowest price is around $425.
  • What is the transportation method from the main airport to downtown in Niagara Falls?

    • The distance from Niagara Falls International Airport to downtown is about 7km. It takes about 20 minutes by taxi.

Chicago to Niagara Falls Flight Information

Cheapest nonstop flight price

$126

Off-season for travel

April

Peak season for travel

March