$221+ Cheap flights from Helena to Oakland, CA (HLN - OAK)
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — OAK
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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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 Helena to Oakland
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Cheapest flights from Helena to OaklandExplore the most affordable flight options available from Helena to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Helena to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 11/144:41 pm -
1 stop6h 58m
Tue 11/177:46 pm -
1 stop19h 18m
Deal found 8/12![Alaska Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/95:18 pm -
1 stop6h 36m
Wed 9/167:51 pm -
1 stop19h 50m
Deal found 8/10![Alaska Airlines logo]()
$413
This Expedia deal was found by Cheapflights users on 8/9. 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 11/184:41 pm -
1 stop21h 13m
Mon 11/236:00 am -
1 stop9h 32m
Deal found 8/9![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/265:18 pm -
1 stop6h 36m
Sun 9/276:01 am -
1 stop9h 40m
Deal found 8/12![Alaska Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 8/12. 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 12/241:09 pm -
1 stop11h 47m
Mon 1/45:05 pm -
1 stop4h 36m
Deal found 8/12![Delta logo]()
$465
This Expedia deal was found by Cheapflights users on 8/12. 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 9/255:18 pm -
1 stop21h 01m
Sun 9/2710:11 am -
1 stop5h 30m
Deal found 8/12![Alaska Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 8/13. 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 12/231:09 pm -
1 stop24h 16m
Sat 12/265:55 am -
1 stop5h 29m
Deal found 8/13![Delta logo]()
$505
Best flights from Helena to OaklandDiscover carefully curated flight deals from Helena to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Helena to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 11/144:41 pm -
1 stop6h 58m
Tue 11/1710:00 am -
2 stops29h 04m
Deal found 8/12![Alaska Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 8/12. 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 12/241:09 pm -
1 stop11h 47m
Mon 1/45:05 pm -
1 stop4h 36m
Deal found 8/12![Delta logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/95:18 pm -
1 stop6h 36m
Wed 9/167:51 pm -
1 stop19h 50m
Deal found 8/10![Alaska Airlines logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/265:18 pm -
1 stop6h 36m
Sun 9/276:01 am -
1 stop9h 40m
Deal found 8/12![Alaska Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/255:18 pm -
1 stop21h 01m
Sun 9/273:13 pm -
2 stops24h 28m
Deal found 8/12![Alaska Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 8/12. 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 12/255:45 am -
1 stop7h 40m
Mon 1/45:55 am -
1 stop5h 29m
Deal found 8/12![Delta logo]()
$648
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 9/15:11 pm -
1 stop6h 43m
Sat 9/51:29 pm -
2 stops26h 05m
Deal found 8/9![Alaska Airlines logo]()
$530
This Expedia deal was found by Cheapflights users on 8/9. 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 11/184:41 pm -
2 stops19h 01m
Mon 11/238:00 am -
2 stops7h 32m
Deal found 8/9![Alaska Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 12/254:18 pm -
1 stop8h 41m
Mon 1/42:51 pm -
2 stops23h 40m
Deal found 8/12![Alaska Airlines logo]()
$570
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 12/244:18 pm -
2 stops18h 05m
Mon 1/410:03 am -
2 stops28h 28m
Deal found 8/12![Alaska Airlines logo]()
$639
Last-minute flights from Helena to OaklandDiscover last-minute flight deals from Helena to Oakland. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Oakland. Data last updated August 13, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 9/15:11 pm -
1 stop6h 43m
Sat 9/51:29 pm -
2 stops26h 05m
Deal found 8/9![Alaska Airlines logo]()
$530
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 9/75:11 pm -
2 stops26h 01m
Sun 9/136:01 am -
1 stop9h 40m
Deal found 8/9![Alaska Airlines logo]()
$811
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/95:18 pm -
1 stop6h 36m
Wed 9/167:51 pm -
1 stop19h 50m
Deal found 8/10![Alaska Airlines logo]()
$413
This Expedia deal was found by Cheapflights users on 8/12. 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 9/255:18 pm -
1 stop21h 01m
Sun 9/2710:11 am -
1 stop5h 30m
Deal found 8/12![Alaska Airlines logo]()
$473
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/265:18 pm -
1 stop6h 36m
Sun 9/276:01 am -
1 stop9h 40m
Deal found 8/12![Alaska Airlines logo]()
$463
One-way flights from Helena to OaklandSearch for one-way flight options from Helena to Oakland. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Helena to Oakland. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Priceline deal was found by Cheapflights users on 8/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:18 pm -
1 stop6h 36m
Deal found 8/12![Alaska Airlines logo]()
$221
This Expedia deal was found by Cheapflights users on 8/12. 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 10/75:26 pm -
1 stop18h 59m
Deal found 8/12![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:18 pm -
1 stop6h 36m
Deal found 8/11![Alaska Airlines logo]()
$231
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:18 pm -
1 stop6h 36m
Deal found 8/10![Alaska Airlines logo]()
$232
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:26 pm -
1 stop6h 29m
Deal found 8/10![Alaska Airlines logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/255:18 pm -
1 stop26h 37m
Deal found 8/12![Alaska Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 8/12. 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 10/255:26 pm -
1 stop18h 59m
Deal found 8/12![Alaska Airlines logo]()
$243
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 11/34:41 pm -
2 stops29h 52m
Deal found 8/12![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 8/12. 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 10/311:08 pm -
1 stop4h 14m
Deal found 8/12![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 8/11. 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 9/312:55 pm -
1 stop4h 19m
Deal found 8/11![Delta logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/175:18 pm -
2 stops30h 52m
Deal found 8/13![Alaska Airlines logo]()
$258
Find flight deals from Helena to Oakland
Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Oakland (OAK). 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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $382 (Alaska Airlines) |
One-way from | $221 (Priceline) |
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to Oakland 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 August 13, 2026.
Use the filters below to find and compare flights from Helena to Oakland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Sat 11/14
4:41 pm-10:39 pm
1 stop6h 58m
Oakland
Tue 11/17
10:00 am-4:04 pm
2 stops29h 04m
$403
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 9/9
5:18 pm-10:54 pm
1 stop6h 36m
Oakland
Wed 9/16
7:51 pm-4:41 pm
1 stop19h 50m
$413
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Sat 9/26
5:18 pm-10:54 pm
1 stop6h 36m
Oakland
Sun 9/27
6:01 am-4:41 pm
1 stop9h 40m
$463
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Thu 12/24
1:09 pm-11:56 pm
1 stop11h 47m
Oakland
Mon 1/4
5:05 pm-10:41 pm
1 stop4h 36m
$465
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Fri 9/25
5:18 pm-1:19 pm
1 stop21h 01m
Oakland
Sun 9/27
3:13 pm-4:41 pm
2 stops24h 28m
$486
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Tue 9/1
5:11 pm-10:54 pm
1 stop6h 43m
Oakland
Sat 9/5
1:29 pm-4:34 pm
2 stops26h 05m
$530
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 11/18
4:41 pm-10:42 am
2 stops19h 01m
Oakland
Mon 11/23
8:00 am-4:32 pm
2 stops7h 32m
$568
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Fri 12/25
4:18 pm-11:59 pm
1 stop8h 41m
Oakland
Mon 1/4
2:51 pm-3:31 pm
2 stops23h 40m
$570
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Thu 12/24
4:18 pm-9:23 am
2 stops18h 05m
Oakland
Mon 1/4
10:03 am-3:31 pm
2 stops28h 28m
$639
Quickest round-trip
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Fri 12/25
5:45 am-12:25 pm
1 stop7h 40m
Oakland
Mon 1/4
5:55 am-12:24 pm
1 stop5h 29m
$648
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Helena to Oakland
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 Helena to Oakland in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Helena-Oakland, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Oakland, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Oakland, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Helena-Oakland, California 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 Helena-Oakland, California 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 Helena to Oakland
Have a flexible travel schedule? Discover the best time to fly to Oakland from Helena with our price prediction graph.
HLN-OAK
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 Helena to Oakland. 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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