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Cheap flights from San Francisco Bay Area to Helena from $255

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to Helena departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco Bay Area to Helena

Cheap round-trip flights

Delta Logo
5:35 am - 12:20 pmSFO-HLN
5h 45m1 stop
Delta Logo
5:50 am - 12:11 pmHLN-SFO
7h 21m1 stop
$255Delta
Find Deal
Mon, Sep 1 - Tue, Sep 9
Delta Logo
5:55 am - 12:20 pmSJC-HLN
5h 25m1 stop
Delta Logo
5:50 am - 8:59 amHLN-SJC
4h 09m1 stop
$265Delta
Find Deal
Mon, Sep 1 - Tue, Sep 9
Delta Logo
5:55 am - 12:20 pmSJC-HLN
5h 25m1 stop
Delta Logo
1:00 pm - 6:29 pmHLN-SJC
6h 29m1 stop
$297Delta
Find Deal
Sat, Sep 6 - Fri, Sep 12
Alaska Airlines Logo
7:00 am - 3:21 pmSTS-HLN
7h 21m1 stop
Alaska Airlines Logo
4:02 pm - 8:08 pmHLN-STS
5h 06m1 stop
$304Alaska Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
Delta Logo
5:35 am - 12:20 pmSFO-HLN
5h 45m1 stop
Delta Logo
5:50 am - 12:11 pmHLN-SFO
7h 21m1 stop
$317Delta
Find Deal
Thu, Aug 21 - Sat, Aug 23
Delta Logo
5:55 am - 12:20 pmSJC-HLN
5h 25m1 stop
Delta Logo
1:00 pm - 6:29 pmHLN-SJC
6h 29m1 stop
$317Delta
Find Deal
Sat, Sep 6 - Fri, Sep 12
Alaska Airlines Logo
11:22 am - 5:41 pmSFO-HLN
5h 19m1 stop
Alaska Airlines Logo
6:18 pm - 9:16 amHLN-SFO
15h 58m1 stop
$328Alaska Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12
Hawaiian Airlines Logo
9:00 am - 3:21 pmSJC-HLN
5h 21m1 stop
Hawaiian Airlines Logo
4:02 pm - 8:59 pmHLN-SJC
5h 57m1 stop
$429Hawaiian Airlines
Find Deal
Thu, Aug 21 - Sat, Aug 23
United Airlines Logo
2:29 pm - 8:59 pmSJC-HLN
5h 30m1 stop
United Airlines Logo
2:30 pm - 9:07 pmHLN-SJC
7h 37m1 stop
$457United Airlines
Find Deal
Wed, Dec 24 - Mon, Dec 29
United Airlines Logo
7:05 am - 8:59 pmSFO-HLN
12h 54m2 stops
United Airlines Logo
6:10 am - 11:47 amHLN-SFO
6h 37m1 stop
$532United Airlines
Find Deal
Wed, Dec 24 - Mon, Dec 29

Delta flights from San Francisco Bay Area to Helena

Our best Delta deals on San Francisco Bay Area to Helena flight tickets
Delta
Sep 1
SFO5:35 amSan Francisco
5h 45m
1 stop
HLN12:20 pmHelena
Sep 9
HLN5:50 amHelena
7h 21m
1 stop
SFO12:11 pmSan Francisco
$255
Find similar
Delta
Sep 1
SJC5:55 amSan Jose
5h 25m
1 stop
HLN12:20 pmHelena
Sep 9
HLN5:50 amHelena
4h 09m
1 stop
SJC8:59 amSan Jose
$265
Find similar
Delta
Sep 6
SJC5:55 amSan Jose
5h 25m
1 stop
HLN12:20 pmHelena
Sep 12
HLN1:00 pmHelena
6h 29m
1 stop
SJC6:29 pmSan Jose
$297
Find similar

Hawaiian Airlines flights from San Francisco Bay Area to Helena

Our best Hawaiian Airlines deals on San Francisco Bay Area to Helena flight tickets
Hawaiian Airlines
Aug 21
SJC9:00 amSan Jose
5h 21m
1 stop
HLN3:21 pmHelena
Aug 23
HLN4:02 pmHelena
5h 57m
1 stop
SJC8:59 pmSan Jose
$429
Find similar
Hawaiian Airlines
Aug 12
SJC7:03 amSan Jose
7h 28m
1 stop
HLN3:31 pmHelena
Aug 13
HLN4:08 pmHelena
5h 43m
1 stop
SJC8:51 pmSan Jose
$790
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Mon 9/1

5:35 am-12:20 pm

1 stop5h 45m

Helena

Tue 9/9

5:50 am-12:11 pm

1 stop7h 21m

$255

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Mon 9/1

5:55 am-12:20 pm

1 stop5h 25m

Helena

Tue 9/9

5:50 am-8:59 am

1 stop4h 09m

$265

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 9/6

5:55 am-12:20 pm

1 stop5h 25m

Helena

Fri 9/12

1:00 pm-6:29 pm

1 stop6h 29m

$297

Santa RosaHelena

STS - HLN

STSHLN

Santa Rosa Sonoma County

Sat 8/23

7:00 am-3:21 pm

1 stop7h 21m

Helena

Sat 8/30

4:02 pm-8:08 pm

1 stop5h 06m

$304

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Thu 8/21

5:35 am-12:20 pm

1 stop5h 45m

Helena

Sat 8/23

5:50 am-12:11 pm

1 stop7h 21m

$317

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 9/6

5:55 am-12:20 pm

1 stop5h 25m

Helena

Fri 9/12

1:00 pm-6:29 pm

1 stop6h 29m

$317

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Wed 10/8

11:22 am-5:41 pm

1 stop5h 19m

Helena

Sun 10/12

6:18 pm-9:16 am

1 stop15h 58m

$328

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Thu 8/21

9:00 am-3:21 pm

1 stop5h 21m

Helena

Sat 8/23

4:02 pm-8:59 pm

1 stop5h 57m

$429

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Wed 12/24

2:29 pm-8:59 pm

1 stop5h 30m

Helena

Mon 12/29

2:30 pm-9:07 pm

1 stop7h 37m

$457

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Wed 12/24

7:05 am-8:59 pm

2 stops12h 54m

Helena

Mon 12/29

6:10 am-11:47 am

1 stop6h 37m

$532

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from San Francisco Bay Area 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 day to depart on your flight to Helena?

The cheapest day to depart from San Francisco Bay Area to Helena is on a Monday. Travelers who choose to depart for Helena on a Monday will often find tickets for as low as $350. The most expensive day to fly to Helena is Sunday, with ticket prices averaging around $706.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from San Francisco Bay Area to Helena in the afternoon for as low as $386. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is at noon when prices are around $950.

Can stopping save me money on San Francisco Bay Area to Helena flights?

You could potentially save up to 46% on your flight if you consider stops on a San Francisco Bay Area to Helena flight.

Cheap San Francisco Bay Area to Helena flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Helena

Best Price Found

$395

Fastest flight time

4h 10m

Direct flights

None

Airports in Helena

1 airport
The best one-way flight to Helena from San Francisco Bay Area in the past 72 hours is $395. The best round-trip flight deal from San Francisco Bay Area to Helena found on momondo in the last 72 hours is $255.
The fastest flight from San Francisco Bay Area to Helena takes 4h 10m
There are no direct flights from San Francisco Bay Area to Helena. Popular non-direct routes for this connection are San Francisco Airport - Helena Airport, San Jose Airport - Helena Airport and Santa Rosa Sonoma County Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)
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  • When did momondo last update prices for flights from San Francisco Bay Area to Helena Airport?

    Prices for flights from San Francisco Bay Area to Helena Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Bay Area to Helena Airport?

  • How old do you have to be to fly from San Francisco Bay Area to Helena 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 San Francisco Bay Area to Helena Airport.

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

    The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco Bay Area to Helena?

Best airlines flying from San Francisco Bay Area to Helena

Compare and see reviews for airlines that fly from San Francisco Bay Area to Helena with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $274Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $317Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to Helena?

It is quick and easy to find San Francisco Bay Area to Helena flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helena that suits you.

Can I find flights from San Francisco Bay Area to Helena with flexible booking policies on momondo?

All flight searches from San Francisco Bay Area to Helena on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco Bay Area to Helena?

Once all potential San Francisco Bay Area to Helena 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 San Francisco Bay Area to Helena right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco Bay Area to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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