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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Helena Airport.

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

The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$178 Cheap Flights from Oakland, California to Helena in 2026

Find the cheapest flights from Oakland, California to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:46 pm - 4:04 pm

OAK

HLN

25h 18m

1 stop

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$303Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

1:46 pm - 4:04 pm

OAK

HLN

25h 18m

1 stop

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$333Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

7:42 pm - 4:04 pm

OAK

HLN

19h 22m

1 stop

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$343Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

3:04 pm - 4:04 pm

OAK

HLN

24h 00m

2 stops

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$343Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

3:04 pm - 4:04 pm

OAK

HLN

24h 00m

2 stops

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$348Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

3:04 pm - 4:04 pm

OAK

HLN

24h 00m

2 stops

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$358Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

3:04 pm - 4:04 pm

OAK

HLN

24h 00m

2 stops

4:41 pm - 10:39 pm

HLN

OAK

6h 58m

1 stop

$363Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

5:00 pm - 10:24 pm

OAK

HLN

4h 24m

1 stop

7:15 am - 11:59 am

HLN

OAK

5h 44m

1 stop

$497Delta

Fri, Sep 11 - Fri, Sep 18

5:00 pm - 10:30 pm

OAK

HLN

4h 30m

1 stop

5:40 am - 11:52 am

HLN

OAK

7h 12m

1 stop

$616Delta

Wed, Aug 19 - Sun, Aug 23

6:00 am - 12:15 pm

OAK

HLN

5h 15m

1 stop

5:40 am - 11:52 am

HLN

OAK

7h 12m

1 stop

$669Delta

Fri, Aug 21 - Sun, Aug 23

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Alaska Airlines flights from Oakland, California to Helena

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

Alaska Airlines

Nov 3

OAK1:46 pmOakland

25h 18m

1 stop

HLN4:04 pmHelena

Nov 7

HLN4:41 pmHelena

6h 58m

1 stop

OAK10:39 pmOakland

$303

Alaska Airlines

Nov 3

OAK1:46 pmOakland

25h 18m

1 stop

HLN4:04 pmHelena

Nov 7

HLN4:41 pmHelena

6h 58m

1 stop

OAK10:39 pmOakland

$333

Alaska Airlines

Nov 3

OAK7:42 pmOakland

19h 22m

1 stop

HLN4:04 pmHelena

Nov 7

HLN4:41 pmHelena

6h 58m

1 stop

OAK10:39 pmOakland

$343

Delta flights from Oakland, California to Helena

Our best Delta deals on Oakland, California to Helena flight tickets

Delta

Sep 11

OAK5:00 pmOakland

4h 24m

1 stop

HLN10:24 pmHelena

Sep 18

HLN7:15 amHelena

5h 44m

1 stop

OAK11:59 amOakland

$497

Delta

Aug 19

OAK5:00 pmOakland

4h 30m

1 stop

HLN10:30 pmHelena

Aug 23

HLN5:40 amHelena

7h 12m

1 stop

OAK11:52 amOakland

$616

Delta

Aug 20

OAK6:00 amOakland

5h 15m

1 stop

HLN12:15 pmHelena

Aug 23

HLN5:40 amHelena

7h 12m

1 stop

OAK11:52 amOakland

$669

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

1:46 pm-4:04 pm

1 stop25h 18m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$303

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

1:46 pm-4:04 pm

1 stop25h 18m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$333

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

7:42 pm-4:04 pm

1 stop19h 22m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$343

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

3:04 pm-4:04 pm

2 stops24h 00m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$343

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

3:04 pm-4:04 pm

2 stops24h 00m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$348

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

3:04 pm-4:04 pm

2 stops24h 00m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$358

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Tue 11/3

3:04 pm-4:04 pm

2 stops24h 00m

Helena

Sat 11/7

4:41 pm-10:39 pm

1 stop6h 58m

$363

Quickest round-trip

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Fri 9/11

5:00 pm-10:24 pm

1 stop4h 24m

Helena

Fri 9/18

7:15 am-11:59 am

1 stop5h 44m

$497

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Wed 8/19

5:00 pm-10:30 pm

1 stop4h 30m

Helena

Sun 8/23

5:40 am-11:52 am

1 stop7h 12m

$616

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Fri 8/21

6:00 am-12:15 pm

1 stop5h 15m

Helena

Sun 8/23

5:40 am-11:52 am

1 stop7h 12m

$669

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Oakland to Helena?

Delta and Alaska Airlines are the most popular carriers operating from Oakland to Helena

What airlines fly to Helena?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Helena from Oakland, California according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 4 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Oakland, California to Helena

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

Estimated round-trip price

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

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

Fastest flight time	4h 22m
Direct flights	None

The fastest flight from Oakland, California to Helena takes 4h 22m

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

Search flight deals

Frequently asked questions about flying from Oakland, California to Helena

How far is Oakland to Helena by plane?
There are 800.0 mi between Oakland and Helena. Typically, this will take 4h 22m by plane in normal conditions.
When did momondo last update prices for flights from Oakland Airport to Helena Airport?
Prices for flights from Oakland Airport to Helena Airport are updated daily.
How old do you have to be to fly from Oakland Airport to Helena Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Oakland to Helena flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helena from Oakland.

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

Yes momondo offers price alerts on flights to Helena from Oakland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.