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Cheap Flights from Great Falls to Chicago starting at S$ 254

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

  • One way
  • Round-trip

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

Cheapest time to fly from Great Falls to Chicago

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

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Great Falls to Chicago

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

Delta Air Lines
From S$ 230
United Airlines
From S$ 254
Allegiant Air
From S$ 338
Alaska Airlines
From S$ 383
ANA airlines

Find more flights and airlines

Alternative Routes from Great Falls to Chicago

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

  • Cheapest
    Delta Air Lines
    GTF
    18:24
    13h 0m
    2 transfer
    MDW
    08:24
    Great Falls International Airport - Midway International Airport
    Tue, Apr 2Delta Air Lines
    S$ 230
  • United Airlines
    GTF
    06:50
    11h 15m
    1 transfer
    ORD
    19:05
    Great Falls International Airport - O'Hare International Airport
    Tue, Apr 2United Airlines
    S$ 351
  • United Airlines
    GTF
    06:50
    11h 15m
    1 transfer
    ORD
    19:05
    Great Falls International Airport - O'Hare International Airport
    Tue, Apr 2United Airlines
    S$ 351
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Great Falls (GTF) to Chicago (CHI) the cheapest?

    Airlines adjust prices for flights from Great Falls to Chicago based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Great Falls (GTF) to Chicago (CHI) cost?

    According to Trip.com's data, the lowest price is around S$ 636.
  • What is the transportation method from the main airport to downtown in Chicago?

    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • How many airports in Chicago?

Find cheapest flight ticket from Great Falls to Chicago

Cheapest direct flight price

S$ 254

Cheapest month

February

Peak season for travel

May