Fly from
Fly to
Route
Depart
Return
Price
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Tue 12/10
5:25 pm-11:30 pm
1 stop7h 05m
Great Falls
Wed 12/11
5:50 am-11:39 am
1 stop4h 49m
St. LouisGreat Falls
STL - GTF
STLGTF
Lambert-St Louis
Fri 1/3
1:44 pm-9:24 pm
1 stop8h 40m
Great Falls
Fri 1/10
2:20 pm-8:43 pm
1 stop5h 23m
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 1/5
9:40 pm-9:24 pm
1 stop24h 44m
Great Falls
Sat 1/11
2:20 pm-11:59 pm
1 stop8h 39m
St. LouisGreat Falls
STL - GTF
STLGTF
Lambert-St Louis
Wed 12/18
6:00 am-5:50 pm
2 stops12h 50m
Great Falls
Wed 12/25
1:45 pm-9:34 pm
1 stop6h 49m
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Mon 12/9
6:32 am-3:28 pm
1 stop9h 56m
Great Falls
Tue 12/10
4:08 pm-11:47 pm
1 stop6h 39m
St. LouisGreat Falls
STL - GTF
STLGTF
Lambert-St Louis
Fri 12/6
7:00 am-3:28 pm
1 stop9h 28m
Great Falls
Mon 12/9
4:08 pm-11:59 pm
1 stop6h 51m
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Sat 1/4
12:10 pm-10:44 pm
2 stops11h 34m
Great Falls
Sat 1/11
5:30 am-5:47 pm
2 stops11h 17m
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 1/4
6:30 pm-9:24 pm
1 stop27h 54m
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 1/5
7:00 am-4:13 pm
2 stops34h 13m
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Sun 1/5
10:08 am-8:13 pm
2 stops11h 05m
Currently, January is the cheapest month in which you can book a flight from Illinois to Great Falls (average of $371). Flying from Illinois to Great Falls in June is currently the most expensive (average of $579). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Great Falls as you normally would.
In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.
If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Boarding
Overall
Crew
Entertainment
Comfort
Food
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Delta | Cheapest$182 | Average$397 | FlexibilityNo cancel fee | On-timeN/A |
United Airlines | Cheapest$248 | Average$425 | FlexibilityNo cancel fee | On-time69% |