Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $357 (Delta) |
One-way from | $179 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $312 |
Fly from
Fly to
Route
Depart
Return
Price
HelenaChicago
HLN - ORD
HLNORD
Helena
Sun 4/20
5:45 am-12:48 pm
1 stop6h 03m
Chicago O'Hare Intl
Sat 4/26
5:10 pm-10:58 pm
1 stop6h 48m
HelenaMoline
HLN - MLI
HLNMLI
Helena
Fri 5/2
2:16 pm-8:48 pm
1 stop5h 32m
Moline Quad-City
Wed 5/7
8:53 am-9:15 pm
1 stop13h 22m
HelenaChicago
HLN - ORD
HLNORD
Helena
Sat 9/13
4:11 pm-11:59 pm
1 stop6h 48m
Chicago O'Hare Intl
Thu 9/18
8:00 am-3:34 pm
1 stop8h 34m
HelenaSt. Louis
HLN - STL
HLNSTL
Helena
Wed 6/18
5:39 pm-4:31 pm
1 stop21h 52m
Lambert-St Louis
Tue 6/24
9:10 am-9:15 pm
1 stop13h 05m
HelenaChicago
HLN - ORD
HLNORD
Helena
Thu 4/24
2:12 pm-12:35 am
1 stop9h 23m
Chicago O'Hare Intl
Mon 4/28
5:00 am-9:25 pm
1 stop17h 25m
HelenaChicago
HLN - MDW
HLNMDW
Helena
Mon 8/18
5:45 am-6:03 pm
2 stops11h 18m
Chicago Midway
Sat 8/23
10:35 am-10:33 pm
2 stops12h 58m
HelenaChicago
HLN - MDW
HLNMDW
Helena
Sat 4/19
5:45 am-6:20 pm
2 stops11h 35m
HelenaChicago
HLN - ORD
HLNORD
Helena
Mon 5/5
7:29 pm-6:05 am
1 stop9h 36m
HelenaChicago
HLN - ORD
HLNORD
Helena
Tue 7/15
4:08 pm-11:59 pm
1 stop6h 51m
HelenaChicago
HLN - ORD
HLNORD
Helena
Fri 7/11
1:03 pm-10:00 pm
1 stop7h 57m
Currently, August is the cheapest month in which you can book a flight from Helena to Illinois (average of $245). Flying from Helena to Illinois in March is currently the most expensive (average of $323). 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.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Food
Crew
Overall
Entertainment
Comfort
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Crew
Overall
Entertainment
Comfort
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Crew
Overall
Entertainment
Comfort
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Crew
Overall
Entertainment
Comfort
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Crew
Overall
Entertainment
Comfort
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$314 | Average$524 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$404 | Average$768 | FlexibilityNo cancel fee | On-time69% |