$194+ Cheap flights from San Francisco to Helena (SFO - HLN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HLN
Nov 29 — Dec 61
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
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 October 30, 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 October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/17:00 am -
1 stop8h 12m
Wed 12/24:49 pm -
1 stop26h 18m
Deal found 10/27![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 12/111:50 am -
2 stops9h 42m
Wed 12/21:10 pm -
2 stops11h 33m
Deal found 10/27![Delta logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/148:33 am -
1 stop6h 31m
Wed 11/184:41 pm -
1 stop19h 34m
Deal found 10/30![Alaska Airlines logo]()
$686
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/118:33 am -
1 stop6h 31m
Sun 11/154:41 pm -
2 stops26h 25m
Deal found 10/26![Alaska Airlines logo]()
$747
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/98:58 pm -
1 stop18h 06m
Fri 11/134:41 pm -
1 stop5h 06m
Deal found 10/25![Alaska Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:19 pm -
1 stop4h 07m
Fri 11/137:00 am -
2 stops7h 52m
Deal found 10/25![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/16:16 am -
1 stop6h 24m
Sun 11/86:28 am -
1 stop6h 14m
Deal found 10/27![United Airlines logo]()
$1,037
This Delta deal was found by Cheapflights users on 10/27. 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 11/15:50 am -
1 stop5h 38m
Sun 11/81:08 pm -
2 stops11h 48m
Deal found 10/27![Delta logo]()
$1,042
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 October 30, 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 October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 1/3010:25 am -
1 stop4h 58m
Tue 2/25:00 pm -
2 stops16h 52m
Deal found 10/29![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 12/111:50 am -
2 stops9h 42m
Wed 12/21:10 pm -
2 stops11h 33m
Deal found 10/27![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 10/25. 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 1/302:26 pm -
2 stops22h 14m
Tue 2/22:27 pm -
2 stops26h 06m
Deal found 10/25![United Airlines logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/17:00 am -
1 stop8h 12m
Wed 12/24:49 pm -
1 stop26h 18m
Deal found 10/27![Alaska Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/98:58 pm -
1 stop18h 06m
Fri 11/134:41 pm -
1 stop5h 06m
Deal found 10/25![Alaska Airlines logo]()
$765
Last-minute flights from San Francisco to HelenaDiscover last-minute flight deals from San Francisco to Helena. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Helena. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/16:16 am -
1 stop6h 24m
Sun 11/86:28 am -
1 stop6h 14m
Deal found 10/27![United Airlines logo]()
$1,037
This Delta deal was found by Cheapflights users on 10/27. 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 11/15:50 am -
1 stop5h 38m
Sun 11/81:08 pm -
2 stops11h 48m
Deal found 10/27![Delta logo]()
$1,042
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 11/47:42 am -
2 stops7h 22m
Mon 11/94:41 pm -
1 stop7h 04m
Deal found 10/29![Alaska Airlines logo]()
$1,691
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/98:58 pm -
1 stop18h 06m
Fri 11/134:41 pm -
1 stop5h 06m
Deal found 10/25![Alaska Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:19 pm -
1 stop4h 07m
Fri 11/137:00 am -
2 stops7h 52m
Deal found 10/25![Delta logo]()
$770
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/118:33 am -
1 stop6h 31m
Sun 11/154:41 pm -
2 stops26h 25m
Deal found 10/26![Alaska Airlines logo]()
$747
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/148:33 am -
1 stop6h 31m
Wed 11/184:41 pm -
1 stop19h 34m
Deal found 10/30![Alaska Airlines logo]()
$686
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 October 30, 2026.
Search for one-way flight options from San Francisco to Helena. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:25 am -
1 stop5h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$194
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 1/510:25 am -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/109:40 am -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 1/77:10 pm -
1 stop20h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 10/28. 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 1/65:31 am -
1 stop6h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 10/29. 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.
Sat 12/195:45 am -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 1/711:57 am -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/29. 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 12/235:10 pm -
1 stop4h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/215:00 am -
1 stop7h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$293
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Alaska Airlines) |
One-way from | $194 (Trip.com) |
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 7,457,451 searches. Data last updated October 30, 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
Quickest round-trip
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Tue 1/5
10:25 am-4:23 pm
1 stop4h 58m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$197
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Thu 12/10
9:40 am-4:12 pm
1 stop5h 32m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Tue 1/5
4:45 pm-12:32 pm
2 stops18h 47m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$217
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Thu 1/7
7:10 pm-4:23 pm
1 stop20h 13m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Sat 12/19
5:45 am-12:30 pm
1 stop5h 45m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$273
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Sat 12/26
5:45 am-12:30 pm
1 stop5h 45m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$273
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Sat 1/30
10:25 am-4:23 pm
1 stop4h 58m
Helena
Tue 2/2
5:00 pm-8:52 am
2 stops16h 52m
$381
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Tue 12/1
7:00 am-4:12 pm
1 stop8h 12m
Helena
Wed 12/2
4:49 pm-6:07 pm
1 stop26h 18m
$387
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Tue 12/1
11:50 am-10:32 pm
2 stops9h 42m
Helena
Wed 12/2
1:10 pm-11:43 pm
2 stops11h 33m
$466
San FranciscoHelena
SFO San Francisco - HLN Helena
SFOHLN
San Francisco
Sat 1/30
2:26 pm-1:40 pm
2 stops22h 14m
Helena
Tue 2/2
2:27 pm-3:33 pm
2 stops26h 06m
$609
Showing 1-10 of 11 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 October.
| 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.
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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