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Helena

$165+ Cheap flights from Oakland, CA to Helena (OAK - HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — HLN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Oakland to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$265
(Delta)

One-way from

$165
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$498
Provider with most accurate pricing for Oakland-Helena flight deals.
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Provider most trusted by Cheapflights users for Oakland-Helena flights.
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From Oakland to Helena
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One-way flight from Oakland to Helena
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($225 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Oakland to Helena

Cheapest flights from Oakland to Helena
Explore the most affordable flight options available from Oakland to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amOAK - HLN
1 stop5h 21mDelta
Mon 6/21:01 pmHLN - OAK
1 stop4h 14mDelta
Deal found 4/28$265
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:00 amOAK - HLN
1 stop7h 34mAlaska Airlines
Sun 8/314:11 pmHLN - OAK
1 stop8h 48mAlaska Airlines
Deal found 4/27$427
This Hawaiian Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:25 amOAK - HLN
1 stop5h 06mHawaiian Airlines
Sun 5/184:11 pmHLN - OAK
1 stop7h 00mHawaiian Airlines
Deal found 4/26$459

Cheapflights Fare Finder

Customize your flight search to find flights from Oakland to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Oakland to Helena that are best for you.

Fly from

Oakland

Fly to

Helena

Route

Depart

Return

Price

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 5/29

6:00 am-12:21 pm

1 stop5h 21m

Helena

Mon 6/2

1:01 pm-4:15 pm

1 stop4h 14m

$265

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 8/28

7:00 am-3:34 pm

1 stop7h 34m

Helena

Sun 8/31

4:11 pm-11:59 pm

1 stop8h 48m

$427

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 5/15

9:25 am-3:31 pm

1 stop5h 06m

Helena

Sun 5/18

4:11 pm-10:11 pm

1 stop7h 00m

$459

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Sat 7/26

7:00 am-3:31 pm

1 stop7h 31m

$165

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 8/7

6:00 am-12:20 pm

1 stop5h 20m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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

Have a flexible travel schedule? Discover the best time to fly to Helena from Oakland 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 Oakland to Helena

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

Currently, February is the cheapest month in which you can book a flight from Oakland, California to Helena (average of $353). Flying from Oakland, California to Helena in July is currently the most expensive (average of $597). 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.

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

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.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated April 29, 2025.
Alaska Airlines
8.0
Very good
9,949 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What are the cheapest airlines flying from Oakland, California to Helena round-trip?

    According to our current data, Delta ($265), Alaska Airlines ($427), and Hawaiian Airlines ($459) offers the cheapest pricing from Oakland, California to Helena.

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

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

  • How can I find direct flights from Oakland to Helena?

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

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

    Yes. Cheapflights offers flight deals from Oakland to Helena 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 Oakland, California to Helena?

    Currently, February is the cheapest month in which you can book a flight from Oakland, California to Helena (average of $353). Flying from Oakland, California to Helena in July is currently the most expensive (average of $597). 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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