Cheap flights from Chicago, IL to Great Falls, MT
Flights starting at $126. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to Great Falls
Cheapest one-way trip | $128 |
---|---|
Cheapest round-trip | $299 |
Average round-trip | $370 |
Most popular airline | United Airlines |
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Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to Great Falls. The most popular airlines for this route are United Airlines, Alaska Airlines, Frontier Airlines, Allegiant Air, and Spirit Airlines. Chicago and Great Falls have 65 direct flights per week.
Check-in for a flight from Chicago to Great Falls
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Great Falls
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -7°C |
February | 0°C | -8°C |
March | 6°C | -3°C |
April | 11°C | 0°C |
May | 17°C | 5°C |
June | 22°C | 9°C |
July | 29°C | 14°C |
August | 28°C | 14°C |
September | 22°C | 9°C |
October | 13°C | 2°C |
November | 5°C | -3°C |
December | 0°C | -7°C |
14 day forecast
Frequently asked questions
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Airports near Chicago
- O Hare International
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