How long is the flight from Helena to Oakland, California?

There are many flights that can get you from Helena to Oakland, California in 4h 44m. Fly via Delta, Hawaiian Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 806 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Oakland, California ranges from 0.0 - 4.8 inches per month. January is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Oakland, California when rainfall is around 0.0 in.

If weather is an important factor for your trip to Oakland, California, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from HLN to OAK?

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

Most accurate provider : When it comes to deals on Helena-Oakland, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Oakland, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Oakland, California flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Helena-Oakland, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Oakland, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Helena to Oakland that include hotel bookings?

Yes. In addition to deals on Helena to Oakland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Helena to Oakland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Oakland.

Can I find deals for business class flights from Helena to Oakland?

Yes. Cheapflights offers flight deals from Helena to Oakland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$350+ Flights from Helena to Oakland, CA

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Cheap flight deals from Helena to Oakland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$350 (Delta)
Popular in	January
Cheapest in	May
Average price	$291

Provider with most accurate pricing for Helena-Oakland flight deals.

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Provider most trusted by Cheapflights users for Helena-Oakland flights.

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From Helena to Oakland

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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find flight deals from Helena to Oakland

Cheapest flights from Helena to Oakland
Explore the most affordable flight options available from Helena to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

Tue 12/166:28 pmHLN - OAK

1 stop6h 31mAlaska Airlines

Wed 12/249:49 amOAK - HLN

1 stop7h 06mAlaska Airlines

Deal found 10/8

$429

Best flights from Helena to Oakland
Discover carefully curated flight deals from Helena to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2025.

Thu 3/512:50 pmHLN - OAK

1 stop4h 44mDelta

Mon 3/95:05 pmOAK - HLN

1 stop4h 33mDelta

Deal found 10/8

$350

Thu 3/54:10 pmHLN - OAK

1 stop8h 28mHawaiian Airlines

Mon 3/96:30 amOAK - HLN

1 stop8h 13mHawaiian Airlines

Deal found 10/7

$384

Tue 12/166:28 pmHLN - OAK

1 stop6h 31mAlaska Airlines

Wed 12/249:49 amOAK - HLN

1 stop7h 06mAlaska Airlines

Deal found 10/8

$429

Thu 3/54:10 pmHLN - OAK

1 stop8h 28mAlaska Airlines

Mon 3/96:45 pmOAK - HLN

2 stops19h 58mAlaska Airlines

Deal found 10/8

$439

One-way flights from Helena to Oakland
Search for one-way flight options from Helena to Oakland. Find affordable one-way fares based on user searches. Data last updated October 10, 2025.

Sun 10/191:00 pmHLN - OAK

1 stop4h 11mDelta

Deal found 10/8

$419

Fly from

Fly to

Route

Depart

Return

Price

HelenaOakland

HLN - OAK

HLNOAK

Helena

Thu 3/5

12:50 pm-4:34 pm

1 stop4h 44m

Oakland

Mon 3/9

5:05 pm-10:38 pm

1 stop4h 33m

$350

HelenaOakland

HLN - OAK

HLNOAK

Helena

Thu 3/5

4:10 pm-11:38 pm

1 stop8h 28m

Oakland

Mon 3/9

6:30 am-3:43 pm

1 stop8h 13m

$384

HelenaOakland

HLN - OAK

HLNOAK

Helena

Tue 12/16

6:28 pm-11:59 pm

1 stop6h 31m

Oakland

Wed 12/24

9:49 am-5:55 pm

1 stop7h 06m

$429

HelenaOakland

HLN - OAK

HLNOAK

Helena

Thu 3/5

4:10 pm-11:38 pm

1 stop8h 28m

Oakland

Mon 3/9

6:45 pm-3:43 pm

2 stops19h 58m

$439

HelenaOakland

HLN - OAK

HLNOAK

Helena

Sun 10/19

1:00 pm-4:11 pm

1 stop4h 11m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Compare providers for flights from Helena to Oakland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Oakland in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Helena-Oakland, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Oakland, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Oakland, California flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Helena-Oakland, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Oakland, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to Oakland

Have a flexible travel schedule? Discover the best time to fly to Oakland from Helena with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Oakland

What is the cheapest month to book a flight from Helena to Oakland, California?

Currently, July is the cheapest month in which you can book a flight from Helena to Oakland, California (average of $41). Flying from Helena to Oakland, California in May is currently the most expensive (average of $227). 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.

Related info for your journey

How long is the flight from Helena to Oakland, California?
There are many flights that can get you from Helena to Oakland, California in 4h 44m. Fly via Delta, Hawaiian Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 806 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Helena to Oakland that include hotel bookings?
Yes. In addition to deals on Helena to Oakland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helena to Oakland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Oakland.
Can I find deals for business class flights from Helena to Oakland?
Yes. Cheapflights offers flight deals from Helena to Oakland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Helena to Oakland, California?
Currently, July is the cheapest month in which you can book a flight from Helena to Oakland, California (average of $41). Flying from Helena to Oakland, California in May is currently the most expensive (average of $227). 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.

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$350+ Cheap flights from Helena to Oakland, CA (HLN - OAK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to Oakland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Helena to Oakland

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Helena to Oakland

Cheapest flights from Helena to OaklandExplore the most affordable flight options available from Helena to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

Explore the most affordable flight options available from Helena to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Helena to Oakland that are best for you.

Compare providers for flights from Helena to Oakland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Oakland in October.

Best time to book a flight from Helena to Oakland

Have a flexible travel schedule? Discover the best time to fly to Oakland from Helena with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Helena to Oakland

What is the cheapest month to book a flight from Helena to Oakland, California?

Related info for your journey

Find useful and relevant information for your journey from Helena to Oakland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Helena to Oakland, California?

Can I find deals for flights from Helena to Oakland that include hotel bookings?

How can I find direct flights from Helena to Oakland?

Can I find deals for business class flights from Helena to Oakland?

What is the cheapest month to book a flight from Helena to Oakland, California?

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Cheapest flights from Helena to Oakland
Explore the most affordable flight options available from Helena to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.