$175+ Cheap flights from San Francisco to Helena (SFO - 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HLN
Apr 23 — Apr 301
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Helena
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Cheapest flights from San Francisco to HelenaExplore the most affordable flight options available from San Francisco to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
Explore the most affordable flight options available from San Francisco to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/289:00 am
SFO
- HLN
1 stop7h 45m
Alaska Airlines
Sat 5/26:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/24. 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 4/175:40 am
SFO
- HLN
1 stop5h 44m
Delta
Tue 4/215:40 am
HLN
- SFO
1 stop4h 15m
Delta
Deal found 3/24![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/237:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Tue 4/286:22 pm
HLN
- SFO
2 stops16h 34m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 8/297:00 am
SFO
- HLN
1 stop7h 31m
Alaska Airlines
Sat 9/54:08 pm
HLN
- SFO
1 stop6h 19m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 5/17:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Wed 5/66:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 3/20. 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.
Sun 4/125:40 am
SFO
- HLN
1 stop5h 41m
Delta
Tue 4/145:40 am
HLN
- SFO
1 stop4h 19m
Delta
Deal found 3/20![Delta logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 7/178:28 pm
SFO
- HLN
1 stop19h 21m
Alaska Airlines
Thu 7/305:26 pm
HLN
- SFO
1 stop7h 33m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 8/288:20 am
SFO
- HLN
1 stop6h 11m
Alaska Airlines
Tue 9/14:08 pm
HLN
- SFO
2 stops8h 41m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/106:30 am
SFO
- HLN
1 stop10h 15m
Alaska Airlines
Tue 4/146:22 pm
HLN
- SFO
1 stop5h 05m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$474
Best flights from San Francisco to HelenaDiscover carefully curated flight deals from San Francisco to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
Discover carefully curated flight deals from San Francisco to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
This Delta deal was found by Cheapflights users on 3/24. 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 4/175:40 am
SFO
- HLN
1 stop5h 44m
Delta
Tue 4/215:40 am
HLN
- SFO
1 stop4h 15m
Delta
Deal found 3/24![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 4/285:31 pm
SFO
- HLN
1 stop23h 14m
Alaska Airlines
Sat 5/26:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/237:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Tue 4/286:22 pm
HLN
- SFO
2 stops16h 34m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 3/24. 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 5/295:40 am
SFO
- HLN
1 stop5h 43m
Delta
Wed 6/35:45 am
HLN
- SFO
1 stop4h 08m
Delta
Deal found 3/24![Delta logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 9/29:20 am
SFO
- HLN
1 stop5h 11m
Alaska Airlines
Thu 9/34:08 pm
HLN
- SFO
1 stop7h 33m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Expedia deal was found by Cheapflights users on 3/19. 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.
Fri 7/179:43 pm
SFO
- HLN
1 stop18h 06m
Alaska Airlines
Thu 7/305:26 pm
HLN
- SFO
1 stop7h 33m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 9/18:20 am
SFO
- HLN
1 stop6h 11m
Alaska Airlines
Fri 9/44:08 pm
HLN
- SFO
1 stop7h 33m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Travelocity deal was found by Cheapflights users on 3/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:16 am
SFO
- HLN
1 stop5h 33m
Alaska Airlines
Tue 7/145:26 pm
HLN
- SFO
1 stop5h 28m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 9/18:20 am
SFO
- HLN
1 stop6h 11m
Alaska Airlines
Wed 9/24:08 pm
HLN
- SFO
1 stop5h 09m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 9/19:20 am
SFO
- HLN
1 stop5h 11m
Alaska Airlines
Sun 9/64:08 pm
HLN
- SFO
1 stop6h 19m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 5/17:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Wed 5/66:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$426
Last-minute flights from San Francisco to HelenaDiscover last-minute flight deals from San Francisco to Helena. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Helena. Data last updated March 24, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/106:30 am
SFO
- HLN
1 stop10h 15m
Alaska Airlines
Tue 4/146:22 pm
HLN
- SFO
1 stop5h 05m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 4/128:01 pm
SFO
- HLN
2 stops20h 44m
Alaska Airlines
Tue 4/146:22 pm
HLN
- SFO
1 stop5h 05m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 3/20. 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.
Sun 4/125:40 am
SFO
- HLN
1 stop5h 41m
Delta
Tue 4/145:40 am
HLN
- SFO
1 stop4h 19m
Delta
Deal found 3/20![Delta logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 4/126:30 am
SFO
- HLN
1 stop10h 15m
Alaska Airlines
Mon 4/136:22 pm
HLN
- SFO
1 stop6h 37m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 3/24. 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 4/175:40 am
SFO
- HLN
1 stop5h 44m
Delta
Tue 4/215:40 am
HLN
- SFO
1 stop4h 15m
Delta
Deal found 3/24![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/177:59 pm
SFO
- HLN
2 stops20h 46m
Alaska Airlines
Tue 4/216:22 pm
HLN
- SFO
2 stops18h 08m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/237:00 am
SFO
- HLN
1 stop9h 45m
Alaska Airlines
Tue 4/286:22 pm
HLN
- SFO
2 stops16h 34m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/289:00 am
SFO
- HLN
1 stop7h 45m
Alaska Airlines
Sat 5/26:22 pm
HLN
- SFO
1 stop5h 06m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$329
One-way flights from San Francisco to HelenaSearch for one-way flight options from San Francisco to Helena. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
Search for one-way flight options from San Francisco to Helena. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This Delta deal was found by Cheapflights users on 3/20. 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 4/135:40 am
SFO
- HLN
1 stop5h 44m
Delta
Deal found 3/20![Delta logo]()
$175
This Expedia deal was found by Cheapflights users on 3/20. 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.
Mon 4/138:59 pm
SFO
- HLN
1 stop19h 46m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/138:14 pm
SFO
- HLN
3 stops44h 31m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$377
Find flight deals from San Francisco to Helena
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Alaska Airlines) |
One-way from | $175 (Delta) |
Popular in | March |
Cheapest in | April |
Average price | $1,098 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 March 24, 2026.
Use the filters below to find and compare flights from San Francisco to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Fri 4/17
5:40 am-12:24 pm
1 stop5h 44m
Helena
Tue 4/21
5:40 am-8:55 am
1 stop4h 15m
$339
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Tue 4/28
5:31 pm-5:45 pm
1 stop23h 14m
Helena
Sat 5/2
6:22 pm-10:28 pm
1 stop5h 06m
$346
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Thu 4/23
7:00 am-5:45 pm
1 stop9h 45m
Helena
Tue 4/28
6:22 pm-9:56 am
2 stops16h 34m
$379
Quickest round-trip
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Fri 5/29
5:40 am-12:23 pm
1 stop5h 43m
Helena
Wed 6/3
5:45 am-8:53 am
1 stop4h 08m
$421
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Wed 9/2
9:20 am-3:31 pm
1 stop5h 11m
Helena
Thu 9/3
4:08 pm-10:41 pm
1 stop7h 33m
$421
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Fri 7/17
9:43 pm-4:49 pm
1 stop18h 06m
Helena
Thu 7/30
5:26 pm-11:59 pm
1 stop7h 33m
$421
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Tue 9/1
8:20 am-3:31 pm
1 stop6h 11m
Helena
Fri 9/4
4:08 pm-10:41 pm
1 stop7h 33m
$421
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Tue 7/7
10:16 am-4:49 pm
1 stop5h 33m
Helena
Tue 7/14
5:26 pm-9:54 pm
1 stop5h 28m
$421
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Tue 9/1
8:20 am-3:31 pm
1 stop6h 11m
Helena
Wed 9/2
4:08 pm-8:17 pm
1 stop5h 09m
$421
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Tue 9/1
9:20 am-3:31 pm
1 stop5h 11m
Helena
Sun 9/6
4:08 pm-9:27 pm
1 stop6h 19m
$421
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Helena
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Helena in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Helena flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from San Francisco with our price prediction graph.
SFO-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 to Helena
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 March 24, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta from San Francisco to Helena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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 to Helena
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Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Helena by cabin class
Find flights from San Francisco to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
San Francisco and Helena flights
Browse other San Francisco and Helena flight options. Last updated on March 24, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Francisco to Helena
Discover the top 2 airlines that operate flights from San Francisco 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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$215 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$518 | FlexibilityNo cancel fee | On-time75% |