HLN - OAK

$311 Find Cheap Flights from Helena to Oakland - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$311
Typical prices: $364-$508
Alaska Airlines
Wed 12/5Sat 12/8
HLN - OAK • 1 stop
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $508 (round-trip)
Seattle/Tacoma Intl (SEA)
Shortest trip • 6h 44m (one-way)
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Cheap Flights from Helena to Oakland (HLN-OAK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to Oakland

Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
4:49 pm - 10:50 pmHLN  Helena-OAK Oakland
7h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:36 pm - 4:12 pmOAK  Oakland-HLN Helena
25h 36m1 stop Seattle/Tacoma Intl
$311Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
4:49 pm - 10:50 pmHLN  Helena-OAK Oakland
7h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:56 pm - 4:12 pmOAK  Oakland-HLN Helena
19h 16m1 stop Seattle/Tacoma Intl
$311Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
4:49 pm - 10:50 pmHLN  Helena-OAK Oakland
7h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:12 pmOAK  Oakland-HLN Helena
8h 12m1 stop Seattle/Tacoma Intl
$333Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
4:49 pm - 10:50 pmHLN  Helena-OAK Oakland
7h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:07 pm - 4:12 pmOAK  Oakland-HLN Helena
25h 05m2 stops San Diego Seattle/Tacoma Intl
$366Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
4:49 pm - 7:39 pmHLN  Helena-OAK Oakland
27h 50m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
7:00 am - 4:12 pmOAK  Oakland-HLN Helena
8h 12m1 stop Seattle/Tacoma Intl
$383Alaska Airlines
Mon, Nov 23 - Mon, Dec 28
Delta Logo
7:00 am - 12:01 pmHLN  Helena-OAK Oakland
6h 01m1 stop Salt Lake City
Delta Logo
5:00 pm - 10:26 pmOAK  Oakland-HLN Helena
4h 26m1 stop Salt Lake City
$663Delta
Booking Insights

Price, demand and travel trends for Helena to Oakland flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Helena to Oakland?

Round-trip flights from Helena to Oakland typically range from $364 to $508. The lowest price found in the past 5 days was $311, on Alaska Airlines.

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Key details for Helena to Oakland flights

Cheapest flight

$311
Round-trip flight from Helena to Oakland

When to book flights from Helena to Oakland

Are your dates flexible? Find out the best times to travel from Helena to Oakland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Helena to Oakland flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Helena to Oakland?

    Only Economy Class is available on flights from Helena to Oakland.

  • How long is a flight from Helena to Oakland?

    There are currently no nonstop flights available from Helena to Oakland. Flights with 1 layover take between 6h 25m and 6h 44m in total, depending on the connection.

  • Do I need a passport to fly from Helena to Oakland?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Helena to Oakland changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $311 to $966. That means the highest observed fare was about 3x higher than the lowest one.

  • What car rental options are available at Oakland Airport (OAK)?

    Oakland Airport (OAK) hosts 5 major car rental companies, with daily rates averaging $71 for economy cars. Top options include:

    • Dollar
    • Thrifty
    • Hertz
    • Budget
    • Alamo

  • Which airports can I use when flying from Helena to Oakland?

    Flights from Helena to Oakland usually depart from Helena (HLN) and arrive at Oakland (OAK).

  • Which airports do connecting flights from Helena to Oakland pass through?

    Connecting flights from Helena to Oakland most commonly pass through:

    • Seattle/Tacoma Intl (SEA) - 75% of one-stop connections
    • Salt Lake City (SLC) - 25% of one-stop connections

  • Can I save money by using flexible dates for flights from Helena to Oakland?

    Yes. Flexible dates can save you up to 29% on flights from Helena to Oakland. Wednesday is the cheapest departure day at $364 round-trip on average, while Monday is the most expensive at $508, a difference of $144.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Helena to Oakland?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 25m, compared with 6h 44m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Helena and Oakland?

    Oakland is 1 hour behind Helena (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Oakland?

    Some of the most popular sights in Oakland are Oakland Arena, Fox Theater and Jack London Square. These are among the most viewed places in Oakland on KAYAK.

Your guide to booking Helena to Oakland flights

Get tips on when to book, when to fly and what to know before your trip.

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