$131+ Cheap flights from San Francisco Bay Area to Helena (HLN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HLN
Mar 4 — Mar 111
1 adult, Economy
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Find cheap flights from San Francisco Bay Area to Helena with Cheapflights
1. Tell us where you want to go
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Cheapest flights from San Francisco Bay Area to HelenaExplore the most affordable flight options available from San Francisco Bay Area to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
Explore the most affordable flight options available from San Francisco Bay Area to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
This Orbitz deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:28 pm
SFO
- HLN
1 stop19h 31m
Alaska Airlines
Sat 3/74:36 pm
HLN
- SFO
1 stop6h 30m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$234
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:20 am
OAK
- HLN
1 stop10h 25m
Alaska Airlines
Thu 5/76:22 pm
HLN
- OAK
1 stop5h 10m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:30 am
SFO
- HLN
1 stop8h 29m
Alaska Airlines
Wed 3/44:36 pm
HLN
- SFO
1 stop7h 20m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:15 am
SJC
- HLN
1 stop10h 30m
Alaska Airlines
Thu 5/76:22 pm
HLN
- SJC
1 stop5h 13m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$271
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Thu 5/76:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
SJC
- HLN
1 stop5h 24m
Delta
Sun 4/265:40 am
HLN
- SJC
1 stop4h 07m
Delta
Deal found 2/1![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:33 pm
SJC
- HLN
1 stop6h 13m
United Airlines
Wed 5/66:15 am
HLN
- SJC
1 stop8h 13m
United Airlines
Deal found 1/31![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:57 pm
STS
- HLN
1 stop19h 02m
Alaska Airlines
Wed 3/44:36 pm
HLN
- STS
1 stop6h 16m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:16 am
SJC
- HLN
1 stop4h 43m
Alaska Airlines
Wed 3/114:36 pm
HLN
- SJC
2 stops27h 49m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:30 am
SJC
- HLN
2 stops9h 15m
Alaska Airlines
Wed 5/66:22 pm
HLN
- SJC
1 stop5h 13m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:40 am
SFO
- HLN
1 stop5h 44m
Delta
Sun 4/265:40 am
HLN
- SFO
1 stop4h 15m
Delta
Deal found 2/1![Delta logo]()
$328
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:31 pm
SFO
- HLN
1 stop23h 14m
Alaska Airlines
Sun 4/266:22 pm
HLN
- SFO
2 stops16h 36m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$332
Best flights from San Francisco Bay Area to HelenaDiscover carefully curated flight deals from San Francisco Bay Area to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from San Francisco Bay Area to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This Orbitz deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:28 pm
SFO
- HLN
1 stop19h 31m
Alaska Airlines
Sat 3/74:36 pm
HLN
- SFO
1 stop6h 30m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
SJC
- HLN
1 stop5h 24m
Delta
Sun 4/265:40 am
HLN
- SJC
1 stop4h 07m
Delta
Deal found 2/1![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:33 pm
SJC
- HLN
1 stop6h 13m
United Airlines
Wed 5/66:15 am
HLN
- SJC
1 stop8h 13m
United Airlines
Deal found 1/31![United Airlines logo]()
$287
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:20 am
OAK
- HLN
1 stop10h 25m
Alaska Airlines
Thu 5/76:22 pm
HLN
- OAK
1 stop5h 10m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:30 am
SFO
- HLN
1 stop8h 29m
Alaska Airlines
Wed 3/44:36 pm
HLN
- SFO
1 stop7h 20m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:15 am
SJC
- HLN
1 stop10h 30m
Alaska Airlines
Thu 5/76:22 pm
HLN
- SJC
1 stop5h 13m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:40 am
SFO
- HLN
1 stop5h 44m
Delta
Sun 4/265:40 am
HLN
- SFO
1 stop4h 15m
Delta
Deal found 2/1![Delta logo]()
$328
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Thu 5/76:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:57 pm
STS
- HLN
1 stop19h 02m
Alaska Airlines
Wed 3/44:36 pm
HLN
- STS
1 stop6h 16m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:16 am
SJC
- HLN
1 stop4h 43m
Alaska Airlines
Wed 3/114:36 pm
HLN
- SJC
2 stops27h 49m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:30 am
SJC
- HLN
2 stops9h 15m
Alaska Airlines
Wed 5/66:22 pm
HLN
- SJC
1 stop5h 13m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:31 pm
SFO
- HLN
1 stop23h 14m
Alaska Airlines
Sun 4/266:22 pm
HLN
- SFO
2 stops16h 36m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:15 am
OAK
- HLN
1 stop8h 44m
Alaska Airlines
Wed 3/114:36 pm
HLN
- OAK
1 stop8h 22m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:24 am
SJC
- HLN
1 stop6h 21m
Alaska Airlines
Sun 4/266:22 pm
HLN
- SJC
2 stops25h 42m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
OAK
- HLN
1 stop8h 06m
Alaska Airlines
Sun 6/74:43 pm
HLN
- OAK
1 stop20h 23m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:00 am
STS
- HLN
2 stops7h 06m
Alaska Airlines
Sat 5/234:43 pm
HLN
- STS
1 stop20h 30m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$626
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:15 am
OAK
- HLN
1 stop8h 44m
Alaska Airlines
Thu 2/194:36 pm
HLN
- OAK
2 stops17h 48m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$678
Last-minute flights from San Francisco Bay Area to HelenaDiscover last-minute flight deals from San Francisco Bay Area to Helena. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco Bay Area to Helena. Data last updated February 2, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:54 pm
SFO
- HLN
2 stops19h 17m
Alaska Airlines
Mon 2/96:48 pm
HLN
- SFO
2 stops14h 59m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/12:42 pm
SFO
- HLN
1 stop5h 44m
United Airlines
Mon 2/92:27 pm
HLN
- SFO
2 stops22h 53m
United Airlines
Deal found 1/31![United Airlines logo]()
$738
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/311:00 am
SJC
- HLN
1 stop6h 11m
Alaska Airlines
Sat 2/76:48 pm
HLN
- SJC
1 stop23h 20m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$942
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:55 am
OAK
- HLN
1 stop5h 32m
Delta
Wed 2/115:30 am
HLN
- OAK
1 stop7h 22m
Delta
Deal found 2/1![Delta logo]()
$861
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/97:00 am
OAK
- HLN
2 stops34h 11m
Multiple Airlines
Wed 2/116:48 pm
HLN
- OAK
1 stop22h 49m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,258
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/135:55 am
SFO
- HLN
1 stop5h 30m
Delta
Mon 2/165:30 am
HLN
- SFO
1 stop4h 30m
Delta
Deal found 2/2![Delta logo]()
$710
This Alaska Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:03 pm
SJC
- HLN
1 stop20h 56m
Alaska Airlines
Mon 2/164:36 pm
HLN
- SJC
1 stop7h 23m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$911
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:15 am
OAK
- HLN
1 stop8h 44m
Alaska Airlines
Thu 2/194:36 pm
HLN
- OAK
1 stop7h 13m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$563
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:00 am
SFO
- HLN
2 stops8h 59m
Alaska Airlines
Sun 2/224:36 pm
HLN
- SFO
1 stop6h 19m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$497
This Orbitz deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:28 pm
SFO
- HLN
1 stop19h 31m
Alaska Airlines
Sat 3/74:36 pm
HLN
- SFO
1 stop6h 30m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$234
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:30 am
SFO
- HLN
1 stop8h 29m
Alaska Airlines
Wed 3/44:36 pm
HLN
- SFO
1 stop7h 20m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:57 pm
STS
- HLN
1 stop19h 02m
Alaska Airlines
Wed 3/44:36 pm
HLN
- STS
1 stop6h 16m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$293
One-way flights from San Francisco Bay Area to HelenaSearch for one-way flight options from San Francisco Bay Area to Helena. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from San Francisco Bay Area to Helena. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:30 am
SFO
- HLN
1 stop8h 29m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$131
Find flight deals from San Francisco Bay Area to Helena
Keep the following information in mind while searching for San Francisco Bay Area to Helena flight deals. Data was last updated February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (Orbitz) |
One-way from | $131 (Alaska Airlines) |
Popular in | March |
Cheapest in | October |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Helena that are best for you.
Fly from
San Francisco Bay Area
Fly to
Helena
Route
Depart
Return
Price
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Sat 2/28
7:28 pm-3:59 pm
1 stop19h 31m
Helena
Sat 3/7
4:36 pm-10:06 pm
1 stop6h 30m
$234
OaklandHelena
OAK - HLN
OAKHLN
Oakland
Thu 4/30
6:20 am-5:45 pm
1 stop10h 25m
Helena
Thu 5/7
6:22 pm-10:32 pm
1 stop5h 10m
$261
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Sat 2/28
6:30 am-3:59 pm
1 stop8h 29m
Helena
Wed 3/4
4:36 pm-10:56 pm
1 stop7h 20m
$270
San JoseHelena
SJC - HLN
SJCHLN
San Jose
Thu 4/30
6:15 am-5:45 pm
1 stop10h 30m
Helena
Thu 5/7
6:22 pm-10:35 pm
1 stop5h 13m
$271
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Thu 4/30
7:00 am-5:45 pm
1 stop9h 45m
Helena
Thu 5/7
6:22 pm-10:28 pm
1 stop5h 06m
$271
San JoseHelena
SJC - HLN
SJCHLN
San Jose
Wed 4/22
6:00 am-12:24 pm
1 stop5h 24m
Helena
Sun 4/26
5:40 am-8:47 am
1 stop4h 07m
$278
San JoseHelena
SJC - HLN
SJCHLN
San Jose
Sat 5/2
2:33 pm-9:46 pm
1 stop6h 13m
Helena
Wed 5/6
6:15 am-1:28 pm
1 stop8h 13m
$287
Santa RosaHelena
STS - HLN
STSHLN
Santa Rosa Sonoma County
Sat 2/28
7:57 pm-3:59 pm
1 stop19h 02m
Helena
Wed 3/4
4:36 pm-9:52 pm
1 stop6h 16m
$293
San JoseHelena
SJC - HLN
SJCHLN
San Jose
Tue 3/10
10:16 am-3:59 pm
1 stop4h 43m
Helena
Wed 3/11
4:36 pm-7:25 pm
2 stops27h 49m
$320
San JoseHelena
SJC - HLN
SJCHLN
San Jose
Sat 5/2
7:30 am-5:45 pm
2 stops9h 15m
Helena
Wed 5/6
6:22 pm-10:35 pm
1 stop5h 13m
$322
Showing 1-10 of 18 results
Best time to book a flight from San Francisco Bay Area to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from San Francisco Bay Area with our price prediction graph.
SFO-HLN
OAK-HLN
SJC-HLN
STS-HLN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco Bay Area to Helena
zzXIH-HLN
SFO-HLN
OAK-HLN
SJC-HLN
STS-HLN
What is the cheapest month to book a flight from San Francisco Bay Area to Helena?
Currently, August is the cheapest month in which you can book a flight from San Francisco Bay Area to Helena (average of $44). Flying from San Francisco Bay Area to Helena in December is currently the most expensive (average of $228). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Helena
Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated February 2, 2026.
Read reviews from past customers who have flown Alaska Airlines and Delta from San Francisco Bay Area to Helena. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Francisco Bay Area to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco Bay Area to Helena
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from San Francisco Bay Area to Helena
Discover the top 2 airlines that operate flights from San Francisco Bay Area to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$215 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$522 | FlexibilityNo cancel fee | On-time75% |