Round-trip from | $411 (Alaska Airlines) |
---|---|
One-way from | $163 (Delta) |
Fly from
Fly to
Route
Depart
Return
Price
HelenaChicago
HLN - ORD
HLNORD
Helena
Mon 2/24
4:19 pm-11:59 pm
1 stop6h 40m
Chicago O'Hare Intl
Thu 2/27
7:45 am-3:42 pm
1 stop8h 57m
HelenaChicago
HLN - ORD
HLNORD
Helena
Thu 4/3
1:15 pm-9:45 pm
1 stop7h 30m
Chicago O'Hare Intl
Tue 4/8
7:45 am-12:35 pm
1 stop5h 50m
HelenaChicago
HLN - ORD
HLNORD
Helena
Wed 6/18
7:00 am-10:41 pm
1 stop14h 41m
Chicago O'Hare Intl
Wed 7/9
5:00 am-1:13 pm
1 stop9h 13m
HelenaChicago
HLN - MDW
HLNMDW
Helena
Thu 4/3
5:45 am-6:02 pm
2 stops11h 17m
Chicago Midway
Tue 4/8
1:15 pm-10:40 pm
2 stops10h 25m
HelenaChicago
HLN - ORD
HLNORD
Helena
Tue 2/25
5:54 am-12:45 pm
1 stop5h 51m
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 $320). 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).
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Delta | Cheapest$314 | Average$524 | FlexibilityNo cancel fee | On-timeN/A |
United Airlines | Cheapest$404 | Average$756 | FlexibilityNo cancel fee | On-time69% |