Cheap flights from Helena to Oakland

One-way fares from $509 · HLN → OAK · prices found by travellers in the last 48 hours

Cheapest fare
$509

Alaska Airlines · Fri, Nov 13

Cheapest month
November

from $509

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 01m

1,290 km

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Cheapest month to fly from Helena to Oakland

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $509

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About flights from Helena to Oakland

Helena (HLN) and Oakland (OAK) are about 1,290 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 01m. Over the next few months, one-way fares start from $509, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Helena to Oakland?

The cheapest one-way fare we've seen recently is $509 with Alaska Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Helena to Oakland?

November 2026 currently has the lowest fares, from $509 one way.

Are there direct flights from Helena to Oakland?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Helena to Oakland?

The quickest journey we've seen takes about 4h 01m. Helena and Oakland are around 1,290 km apart.

Which airlines fly from Helena to Oakland?

Recent fares on this route were with Alaska Airlines.

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