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Find Chicago to Great Falls flights starting at CAD 249.

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

  • One way
  • Round-trip
      • ORD14:30
        7h 57m
        1 stop
        GTF21:27
        Sat, Dec 14|Chicago - Great Falls|United Airlines
        CAD 249CAD 420
        41% OFF
        41% OFF
        CAD 420CAD 249

        Choose United Airlines flights from Chicago to Great Falls. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Sat, Dec 14, arriving at Great Falls International Airport. One-way Prices start from CAD 249 including taxes and charges.

      • ORD16:00
        6h 24m
        1 stop
        GTF21:24
        Wed, Jan 1|Chicago - Great Falls|United Airlines
        CAD 272CAD 420
        35% OFF
        35% OFF
        CAD 420CAD 272

        Choose United Airlines flights from Chicago to Great Falls. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Wed, Jan 1, arriving at Great Falls International Airport. One-way Prices start from CAD 272 including taxes and charges.

      • ORD07:25
        15h 2m
        1 stop
        GTF21:27
        Sun, Dec 15|Chicago - Great Falls|Frontier Airlines
        CAD 307CAD 420
        27% OFF
        27% OFF
        CAD 420CAD 307

        Choose Frontier Airlines flights from Chicago to Great Falls. The one-way connecting flight with Frontier Airlines departs from O'Hare International Airport on Sun, Dec 15, arriving at Great Falls International Airport. One-way Prices start from CAD 307 including taxes and charges.

      • ORD06:00
        16h 24m
        1 stop
        GTF21:24
        Wed, Jan 1|Chicago - Great Falls|Frontier Airlines
        CAD 314
        CAD 314

        Choose Frontier Airlines flights from Chicago to Great Falls. The one-way connecting flight with Frontier Airlines departs from O'Hare International Airport on Wed, Jan 1, arriving at Great Falls International Airport. One-way Prices start from CAD 314 including taxes and charges.

      • ORD12:25
        9h 59m
        1 stop
        GTF21:24
        Mon, Jan 6|Chicago - Great Falls|American Airlines
        CAD 336
        CAD 336

        Choose American Airlines flights from Chicago to Great Falls. The one-way connecting flight with American Airlines departs from O'Hare International Airport on Mon, Jan 6, arriving at Great Falls International Airport. One-way Prices start from CAD 336 including taxes and charges.

      • ORD14:30
        7h 54m
        1 stop
        GTF21:24
        Tue, Dec 31|Chicago - Great Falls|United Airlines
        CAD 356
        CAD 356

        Choose United Airlines flights from Chicago to Great Falls. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Tue, Dec 31, arriving at Great Falls International Airport. One-way Prices start from CAD 356 including taxes and charges.

      • MDW22:04
        24h 20m
        1 stop
        GTF21:24
        Mon, Dec 30|Chicago - Great Falls|Frontier Airlines
        CAD 361
        CAD 361

        Choose Frontier Airlines flights from Chicago to Great Falls. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Mon, Dec 30, arriving at Great Falls International Airport. One-way Prices start from CAD 361 including taxes and charges.

      • ORD07:45
        9h 28m
        1 stop
        GTF16:13
        Mon, Jan 6|Chicago - Great Falls|Alaska Airlines
        CAD 371
        CAD 371

        Choose Alaska Airlines flights from Chicago to Great Falls. The one-way connecting flight with Alaska Airlines departs from O'Hare International Airport on Mon, Jan 6, arriving at Great Falls International Airport. One-way Prices start from CAD 371 including taxes and charges.

      • ORD06:00
        16h 24m
        1 stop
        GTF21:24
        Mon, Jan 6|Chicago - Great Falls|Frontier Airlines
        CAD 371
        CAD 371

        Choose Frontier Airlines flights from Chicago to Great Falls. The one-way connecting flight with Frontier Airlines departs from O'Hare International Airport on Mon, Jan 6, arriving at Great Falls International Airport. One-way Prices start from CAD 371 including taxes and charges.

      • ORD14:30
        7h 54m
        1 stop
        GTF21:24
        Mon, Jan 6|Chicago - Great Falls|United Airlines
        CAD 372
        CAD 372

        Choose United Airlines flights from Chicago to Great Falls. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Mon, Jan 6, arriving at Great Falls International Airport. One-way Prices start from CAD 372 including taxes and charges.

      • CHI13:00
        3h 5m
        Nonstop
        GTF14:00
        Tue, Nov 26|Chicago - Great Falls|United Airlines
        Find More Flights
        Find More Flights

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

When is the cheapest time to fly from Chicago to Great 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.

Find Cheapest Airlines Flying from Chicago to Great Falls

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

United Airlines
From CAD 249
American Airlines
From CAD 260
Frontier Airlines
From CAD 282
Delta Air Lines
From CAD 319
Alaska Airlines
From CAD 371

Find more flights and airlines

Alternative Routes for Chicago to Great Falls Flights

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

  • Cheapest
    United Airlines
    ORD
    14:30
    7h 57m
    1 transfer
    GTF
    21:27
    O'Hare International Airport - Great Falls International Airport
    Sat, Dec 14United Airlines
    CAD 249
  • Frontier Airlines
    MDW
    20:41
    20h 32m
    2 transfer
    GTF
    16:13
    Midway International Airport - Great Falls International Airport
    Mon, Jan 6Frontier Airlines
    CAD 282
  • Frontier Airlines
    MDW
    20:41
    20h 32m
    2 transfer
    GTF
    16:13
    Midway International Airport - Great Falls International Airport
    Mon, Jan 6Frontier Airlines
    CAD 282
    Find More Flights

FAQ

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

    Airlines adjust prices for flights from Chicago to Great Falls 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 are flights from Chicago (CHI) to Great Falls (GTF) cost?

    According to Trip.com's data, the lowest price is around CAD 629.

  • What is the transportation method from the main airport to downtown in Great Falls?

    • The distance from Great Falls International Airport to downtown is about 5km, by taxi about 20 minutes.

  • How many airports in Great Falls (GTF)?

    There are 1 airport(s) in Great Falls (GTF): Great Falls International Airport.

How to find a cheap flight from Chicago to Great Falls

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Great Falls. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Chicago to Great Falls Flights

Cheapest direct flight priceCAD 249
Off-season travel monthNovember
Peak season for travelJanuary
Flight distance1,968.15km
Popular airlineAlaska Airlines

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