Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $397 (United Airlines) |
One-way from | $344 (Alaska Airlines) |
Popular in | November |
Cheapest in | August |
Average price | $446 |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Sat 5/17
6:00 am-3:31 pm
1 stop10h 31m
Helena
Sat 5/24
4:11 pm-11:59 pm
1 stop6h 48m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Thu 5/29
7:10 am-2:02 pm
1 stop7h 52m
Helena
Sun 6/1
5:39 pm-12:25 am
1 stop5h 46m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Tue 6/10
8:00 am-3:31 pm
1 stop8h 31m
Helena
Mon 6/30
4:09 pm-11:59 pm
1 stop6h 50m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Mon 6/9
7:40 am-12:38 pm
1 stop5h 58m
Helena
Sat 6/14
5:45 am-3:03 pm
2 stops8h 18m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Tue 8/19
8:00 am-3:31 pm
1 stop8h 31m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Tue 8/19
1:35 pm-10:33 pm
2 stops9h 58m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Sat 8/2
2:35 pm-9:15 pm
1 stop7h 40m
ChicagoHelena
ORD - HLN
ORDHLN
Chicago O'Hare Intl
Sun 5/18
8:00 am-3:31 pm
1 stop8h 31m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars |
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Helena (average of $353). Flying from Chicago O'Hare Intl Airport to Helena in July is currently the most expensive (average of $607). 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 Chicago O'Hare Intl Airport to Helena as you normally would.
In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.
If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$534 | Average$766 | FlexibilityNo cancel fee | On-time69% |