Most accurate provider | Expedia 1 star |
---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $389 (Delta) |
One-way from | $192 (Delta) |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
mié. 1/15
7:20 am-12:45 pm
1 stop7h 25m
Helena
jue. 1/30
1:25 pm-11:36 pm
1 stop8h 11m
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
mié. 1/15
5:25 pm-4:04 pm
2 stops24h 39m
Helena
mié. 1/22
4:41 pm-5:57 pm
1 stop23h 16m
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
lun. 12/9
4:00 pm-9:13 pm
1 stop7h 13m
Helena
mié. 12/11
2:35 pm-11:22 pm
1 stop6h 47m
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
mar. 12/17
6:55 am-12:19 pm
1 stop7h 24m
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
jue. 1/2
8:25 am-1:45 pm
1 stop7h 20m
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
mar. 12/17
5:10 pm-3:29 pm
2 stops24h 19m
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helena (average of $347). Flying from Washington, D.C. Dulles Intl Airport to Helena in July is currently the most expensive (average of $630). 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 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).
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Service was good. We pre-ordered a snack but never made it to us.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Delta | Cheapest$513 | Average$606 | FlexibilityNo cancel fee | On-timeN/A |
United Airlines | Cheapest$527 | Average$758 | FlexibilityNo cancel fee | On-time69% |