OAK - HLN

$243 Find Cheap Flights from Oakland to Helena - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$353
Typical prices: $631-$948
Alaska Airlines
Wed 10/31Sat 11/3
OAK - HLN • 1 stop
Cheapest one-way
$243
Typical prices: $879-$879
Delta
Sat 10/20
OAK - HLN • 1 stop
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $545 (round-trip)
Salt Lake City (SLC)
Shortest trip • 5h 08m (one-way)
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Cheap Flights from Oakland to Helena (OAK-HLN)

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

Recent round-trip flight deals from Oakland to Helena

Sat, Oct 31 - Tue, Nov 3
Alaska Airlines Logo
7:02 am - 4:44 pmOAK  Oakland-HLN Helena
8h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:41 pm - 12:01 pmHLN  Helena-OAK Oakland
20h 20m1 stop Seattle/Tacoma Intl
$353Alaska Airlines
Sat, Oct 24 - Mon, Oct 26
Alaska Airlines Logo
7:02 am - 4:49 pmOAK  Oakland-HLN Helena
8h 47m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:26 pm - 6:54 pmHLN  Helena-OAK Oakland
26h 28m1 stop Seattle/Tacoma Intl
$368Alaska Airlines
Sat, Nov 7 - Wed, Nov 11
Alaska Airlines Logo
7:00 am - 4:04 pmOAK  Oakland-HLN Helena
8h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:41 pm - 10:40 pmHLN  Helena-OAK Oakland
6h 59m1 stop Seattle/Tacoma Intl
$378Alaska Airlines
Sat, Oct 31 - Tue, Nov 3
Alaska Airlines Logo
7:02 am - 4:44 pmOAK  Oakland-HLN Helena
8h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:41 pm - 6:12 pmHLN  Helena-OAK Oakland
26h 31m2 stops Seattle/Tacoma Intl San Diego
$383Alaska Airlines
Sat, Nov 7 - Wed, Nov 11
Alaska Airlines Logo
7:00 am - 4:04 pmOAK  Oakland-HLN Helena
8h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:41 pm - 10:40 pmHLN  Helena-OAK Oakland
6h 59m1 stop Seattle/Tacoma Intl
$388Alaska Airlines
Sat, Oct 24 - Mon, Oct 26
Alaska Airlines Logo
7:02 am - 4:49 pmOAK  Oakland-HLN Helena
8h 47m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:26 pm - 6:30 pmHLN  Helena-OAK Oakland
26h 04m2 stops Seattle/Tacoma Intl San Diego
$398Alaska Airlines
Fri, Oct 23 - Mon, Oct 26
Alaska Airlines Logo
7:53 pm - 4:49 pmOAK  Oakland-HLN Helena
19h 56m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:26 pm - 6:54 pmHLN  Helena-OAK Oakland
26h 28m1 stop Seattle/Tacoma Intl
$403Alaska Airlines
Sat, Oct 31 - Tue, Nov 3
Alaska Airlines Logo
7:04 am - 4:44 pmOAK  Oakland-HLN Helena
8h 40m2 stops San Diego Seattle/Tacoma Intl
Alaska Airlines Logo
4:41 pm - 6:12 pmHLN  Helena-OAK Oakland
26h 31m2 stops Seattle/Tacoma Intl San Diego
$413Alaska Airlines
Sat, Nov 7 - Wed, Nov 11
Alaska Airlines Logo
6:12 am - 4:04 pmOAK  Oakland-HLN Helena
8h 52m2 stops San Diego Seattle/Tacoma Intl
Alaska Airlines Logo
4:41 pm - 12:01 pmHLN  Helena-OAK Oakland
20h 20m1 stop Seattle/Tacoma Intl
$418Alaska Airlines
Fri, Oct 23 - Mon, Oct 26
Alaska Airlines Logo
5:05 pm - 4:49 pmOAK  Oakland-HLN Helena
22h 44m2 stops San Diego Seattle/Tacoma Intl
Alaska Airlines Logo
5:26 pm - 6:54 pmHLN  Helena-OAK Oakland
26h 28m1 stop Seattle/Tacoma Intl
$433Alaska Airlines
Booking Insights

Price, demand and travel trends for Oakland to Helena flights

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

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

Round-trip flights from Oakland to Helena start at $353. Prices are below average for this route right now, with typical round-trip fares ranging from $631 to $948. The lowest price found in the past 5 days was $353 on Alaska Airlines.

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Key details for Oakland to Helena flights

Cheapest flight

$243
Flight from Oakland to Helena

When to book flights from Oakland to Helena

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

Your Oakland to Helena flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

  • How long is a flight from Oakland to Helena?

    There are currently no nonstop flights available from Oakland to Helena. Flights with 1 layover take between 5h 08m and 8h 26m in total, depending on the connection.

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

    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 Oakland to Helena 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 $353 to $1,539. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Oakland to Helena looking right now?

    One-way fares from Oakland to Helena are currently lower than usual. Average one-way flight prices are about $243, which is 73% below the typical average for this route.

  • What car rental options are available at Helena Airport (HLN)?

    Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
    • Budget
    • Enterprise Rent-A-Car
    • Hertz
    • Avis
    • National

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

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

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

    Connecting flights from Oakland to Helena most commonly pass through:

    • Seattle/Tacoma Intl (SEA) - 56% of one-stop connections
    • Salt Lake City (SLC) - 44% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    Yes. Being flexible with your travel dates can save you up to 59% on the Oakland to Helena route. Friday is the cheapest departure day at $395 round-trip on average, while Tuesday is the most expensive at $948, a difference of $553. 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 Oakland to Helena?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 08m, compared with 8h 26m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Oakland and Helena?

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

Your guide to booking Oakland to Helena flights

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

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