Cheap flights from Santa Rosa to Helena (STS - HLN)

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How to find the cheapest flight from
Santa Rosa (STS) to Helena (HLN)

All the information you need to plan the best STS to HLN flight in 2021: compare Santa Rosa to Helena flight prices with the expected peak season, weather and rainfall in Helena.
When is the cheapest time to fly from Santa Rosa to Helena (STS - HLN)?

When flying from Santa Rosa to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest month to fly from Santa Rosa to Helena?

The best pricing can be found in the month of July. Prices to Helena from Santa Rosa average $317. You can even find prices in July for less than $317, as users have found deals to Helena from as low as $148. The month of November appears to be one of the more expensive times to travel to Helena from Santa Rosa. Flying in the targeted month can save you up to 79%.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Santa Rosa</span> to <span class="emphasized">Helena</span> flights.

Flight FAQs

From Santa Rosa to Helena

What are the cheapest flights from Santa Rosa to Helena?

Looking for the cheapest flight from Santa Rosa to Helena? While on average our users pay $141, our data indicates the cheapest price to be $109. The most popular route (Santa Rosa Sonoma County - Helena), is priced around $776.

COVID Restrictions

View COVID Travel Restrictions for Helena, MT

Do I need a COVID test to fly to Helena from Santa Rosa?

Information is based on travel restrictions for travel to Helena within the United States

Most visitors from Santa Rosa Sonoma County need to provide a negative COVID-19 test result and/or quarantine to enter Helena.

COVID-19 testing requirements
Visitors from Santa Rosa Sonoma County must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Helena.

Quarantine requirements
Visitors from Santa Rosa Sonoma County are not required to quarantine after entering Helena.

Do I need a test to fly back to Santa Rosa from Helena?

Returning to Santa Rosa Sonoma County from Helena

COVID-19 testing requirements
Visitors from Helena must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Santa Rosa Sonoma County.

Quarantine requirements
Visitors from Helena are not required to quarantine after entering Santa Rosa Sonoma County.

Hide COVID Travel Restrictions for Helena, MT

Alternative routes for Santa Rosa to Helena

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Helena

Things to know before you go - useful duration and weather info for your trip from Santa Rosa to Helena.
Average temperature for December in Helena
35.6 °F
Avg rainfall for December in Helena
0.4 ″

Airports servicing Santa Rosa

Airports servicing Helena

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