Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | March |
Cheapest in | January |
Average price | $356 |
Provider | Price Accuracy | Trust Score* |
---|---|---|
Expedia | Price Accuracy1 star | Trust Score*3 stars |
FlightHub | Price Accuracy3 stars | Trust Score*3 stars |
Currently, January is the cheapest month in which you can book a flight from Helena to San Francisco (average of $276). Flying from Helena to San Francisco in June is currently the most expensive (average of $381). 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.
It’s typically best to fly out from Helena to San Francisco at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Delta | Cheapest$321 | Average$458 | FlexibilityNo cancel fee | On-timeN/A |