When did momondo last update prices for flights from Helena Airport to Oakland Airport?

Prices for flights from Helena Airport to Oakland Airport are updated daily.

How old do you have to be to fly from Helena Airport to Oakland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Oakland Airport.

What documentation or ID do you need to fly to Oakland Airport?

The required travel and health documents for your Oakland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oakland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$577 Cheap Flights from Helena to Oakland in 2025

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Find the cheapest flights from Helena to San Francisco

Round-trip

One-way

Last minute

Cheap round-trip flights

4:02 pm - 6:27 pmHLN-OAK

27h 25m1 stop

2:30 pm - 3:21 pmOAK-HLN

23h 51m1 stop

$692Alaska Airlines

Find Deal

Mon, Sep 1 - Mon, Sep 8

6:18 pm - 12:03 amHLN-OAK

6h 45m1 stop

8:05 pm - 5:41 pmOAK-HLN

20h 36m1 stop

$712Alaska Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

6:18 pm - 12:03 amHLN-OAK

6h 45m1 stop

9:25 am - 5:41 pmOAK-HLN

31h 16m2 stops

$758Alaska Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

6:18 pm - 8:45 amHLN-OAK

15h 27m2 stops

7:06 pm - 5:41 pmOAK-HLN

21h 35m2 stops

$823Alaska Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

Alaska Airlines flights from Helena to Oakland, California

Our best Alaska Airlines deals on Helena to Oakland, California flight tickets

Alaska Airlines

Sep 1

HLN4:02 pmHelena

27h 25m

1 stop

OAK6:27 pmOakland

Sep 8

OAK2:30 pmOakland

23h 51m

1 stop

HLN3:21 pmHelena

$692

Find similar

Alaska Airlines

Oct 17

HLN6:18 pmHelena

6h 45m

1 stop

OAK12:03 amOakland

Oct 20

OAK8:05 pmOakland

20h 36m

1 stop

HLN5:41 pmHelena

$712

Find similar

Alaska Airlines

Oct 17

HLN6:18 pmHelena

6h 45m

1 stop

OAK12:03 amOakland

Oct 20

OAK9:25 amOakland

31h 16m

2 stops

HLN5:41 pmHelena

$758

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HelenaOakland

HLN - OAK

HLNOAK

Helena

Mon 9/1

4:02 pm-6:27 pm

1 stop27h 25m

Oakland

Mon 9/8

2:30 pm-3:21 pm

1 stop23h 51m

$692

HelenaOakland

HLN - OAK

HLNOAK

Helena

Fri 10/17

6:18 pm-12:03 am

1 stop6h 45m

Oakland

Mon 10/20

8:05 pm-5:41 pm

1 stop20h 36m

$712

HelenaOakland

HLN - OAK

HLNOAK

Helena

Fri 10/17

6:18 pm-12:03 am

1 stop6h 45m

Oakland

Mon 10/20

9:25 am-5:41 pm

2 stops31h 16m

$758

HelenaOakland

HLN - OAK

HLNOAK

Helena

Fri 10/17

6:18 pm-8:45 am

2 stops15h 27m

Oakland

Mon 10/20

7:06 pm-5:41 pm

2 stops21h 35m

$823

HelenaOakland

HLN - OAK

HLNOAK

Helena

Sun 9/14

5:45 am-11:56 am

1 stop7h 11m

$577

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Helena to Oakland, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Helena to Oakland?

Delta is the most popular carrier operating from Helena to Oakland

What airlines fly to Oakland, California?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Oakland, California from Helena according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Oakland, California. Keep in mind that there are 6 different airlines that fly to Oakland, California on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Oakland, California

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Oakland, California according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Oakland, California (HLN to OAK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Oakland, California

Direct flights	None

There are no direct flights from Helena to Oakland, California. There are no popular flight routes from Helena to Oakland, California.

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How far is Helena to Oakland by plane?
There are 800.0 mi between Helena and Oakland. Typically, this will take 6h 45m by plane in normal conditions.
When did momondo last update prices for flights from Helena Airport to Oakland Airport?
Prices for flights from Helena Airport to Oakland Airport are updated daily.
How old do you have to be to fly from Helena Airport to Oakland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Oakland Airport.
What documentation or ID do you need to fly to Oakland Airport?
The required travel and health documents for your Oakland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oakland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Oakland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Oakland. momondo saves you time and could save you money on your trip.

Can I find flights from Helena to Oakland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Oakland from Helena with this policy.

How can momondo help me find flights from Helena to Oakland?

Once all potential Helena to Oakland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Helena to Oakland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Oakland, momondo offers a useful price alert feature which will track prices for flights to Oakland from Helena and alert you when they change.