Cheap flights from Great Falls to Chicago from $173

Travelers frequently search for route combinations, such as Great Falls and Las Vegas, Nairobi, Oakland, Juba, Warsaw, Flint, Honolulu, Quito, San Antonio, Dubai, Bozeman, Reno, Fresno, Phoenix, Harare, Orlando, Madison, Minneapolis, Montreal, Ontario.

Travelers frequently search for route combinations, such as Chicago and Mexico City, New York, Guadalajara, Dallas, Houston, Atlanta, Los Angeles, Morelia, Orlando, Philadelphia, León, Tampa, San Francisco, Miami, Denver, Phoenix, Seattle, Monterrey, Las Vegas, Washington, D.C..

The main airport in Great Falls is Great Falls International. It is also served by Bozeman Yellowstone International, Missoula International, Great Falls International, Helena Regional, Bert Mooney, Havre City–County.

The main airport in Chicago is O Hare International. It is also served by Gerald R. Ford International, South Bend International, Dane County Regional, Fort Wayne International, General Mitchell International, General Wayne A. Downing Peoria International, Quad City International, Central Illinois Regional, Muskegon County, Kalamazoo/Battle Creek International.

Currently, you can fly between Great Falls and Chicago with Allegiant Air, Alaska Airlines, Frontier Airlines, United Airlines, WestJet.

If you don’t have specific dates for your trip between Great Falls and Chicago, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Great Falls and Chicago, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Great Falls. The main one is Great Falls International and other nearby airports include Bozeman Yellowstone International, Missoula International, Great Falls International, Helena Regional, Bert Mooney, Havre City–County

There are a number of airports in and around Chicago. The main one is O Hare International and other nearby airports include Gerald R. Ford International, South Bend International, Dane County Regional, Fort Wayne International, General Mitchell International, General Wayne A. Downing Peoria International, Quad City International, Central Illinois Regional, Muskegon County, Kalamazoo/Battle Creek International.