$212+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — OAK
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from Helena to Oakland 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 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 19, 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 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 59m
Tue 11/177:46 pm -
1 stop19h 18m
Deal found 8/16![Alaska Airlines logo]()
$363
This Expedia deal was found by Cheapflights users on 8/17. 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
Mon 9/286:01 am -
1 stop9h 40m
Deal found 8/17![Alaska Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/235:18 pm -
1 stop6h 36m
Fri 9/257:51 pm -
1 stop19h 50m
Deal found 8/16![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/235:18 pm -
1 stop17h 09m
Sat 9/266:48 am -
2 stops8h 53m
Deal found 8/16![Alaska Airlines logo]()
$425
This Priceline deal was found by Cheapflights users on 8/17. 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.
Thu 9/245:18 pm -
1 stop6h 36m
Mon 9/2810:23 am -
1 stop5h 18m
Deal found 8/17![Alaska Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 12/54:08 pm -
2 stops28h 11m
Wed 12/96:30 am -
2 stops8h 01m
Deal found 8/18![Alaska Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/245:18 pm -
1 stop6h 36m
Fri 9/257:51 pm -
1 stop19h 50m
Deal found 8/16![Alaska Airlines logo]()
$474
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 19, 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 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 8/14![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 12/54:08 pm -
1 stop7h 02m
Wed 12/97:00 am -
1 stop7h 31m
Deal found 8/18![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/235:18 pm -
1 stop6h 36m
Fri 9/257:51 pm -
1 stop19h 50m
Deal found 8/16![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/235:18 pm -
1 stop17h 09m
Sat 9/2610:11 am -
1 stop5h 30m
Deal found 8/16![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/245:18 pm -
1 stop6h 36m
Fri 9/257:51 pm -
1 stop19h 50m
Deal found 8/16![Alaska Airlines logo]()
$474
Last-minute flights from Helena to OaklandDiscover last-minute flight deals from Helena to Oakland. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Oakland. Data last updated August 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/235:18 pm -
1 stop17h 09m
Sat 9/2610:11 am -
1 stop5h 30m
Deal found 8/16![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/235:18 pm -
2 stops30h 52m
Fri 9/256:48 am -
2 stops32h 53m
Deal found 8/16![Alaska Airlines logo]()
$476
This Priceline deal was found by Cheapflights users on 8/17. 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.
Thu 9/245:18 pm -
1 stop6h 36m
Mon 9/2810:23 am -
1 stop5h 18m
Deal found 8/17![Alaska Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/245:18 pm -
1 stop6h 36m
Fri 9/257:51 pm -
1 stop19h 50m
Deal found 8/16![Alaska Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/245:18 pm -
1 stop6h 36m
Tue 9/292:15 pm -
1 stop25h 26m
Deal found 8/17![Alaska Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/245:18 pm -
1 stop6h 36m
Sat 9/266:48 am -
2 stops8h 53m
Deal found 8/16![Alaska Airlines logo]()
$496
This Expedia deal was found by Cheapflights users on 8/17. 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
Mon 9/286:01 am -
1 stop9h 40m
Deal found 8/17![Alaska Airlines logo]()
$383
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 19, 2026.
Search for one-way flight options from Helena to Oakland. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Priceline deal was found by Cheapflights users on 8/15. 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 9/165:18 pm -
1 stop6h 36m
Deal found 8/15![Alaska Airlines logo]()
$212
This Expedia deal was found by Cheapflights users on 8/15. 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.
Tue 10/135:26 pm -
1 stop18h 59m
Deal found 8/15![Alaska Airlines logo]()
$217
This Priceline deal was found by Cheapflights users on 8/15. 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 11/94:41 pm -
1 stop6h 59m
Deal found 8/15![Alaska Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/285:18 pm -
1 stop26h 37m
Deal found 8/15![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 8/15. 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.
Thu 10/15:18 pm -
1 stop6h 36m
Deal found 8/15![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/75:26 pm -
2 stops19h 04m
Deal found 8/15![Alaska Airlines logo]()
$280
This Expedia deal was found by Cheapflights users on 8/15. 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.
Sat 10/105:26 pm -
2 stops16h 53m
Deal found 8/15![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/45:11 pm -
1 stop26h 44m
Deal found 8/15![Alaska Airlines logo]()
$302
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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (Alaska Airlines) |
One-way from | $212 (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 19, 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
7:46 pm-4:04 pm
1 stop19h 18m
$363
Quickest round-trip
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Sat 12/5
4:08 pm-10:10 pm
1 stop7h 02m
Oakland
Wed 12/9
7:00 am-3:31 pm
1 stop7h 31m
$363
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 9/23
5:18 pm-10:54 pm
1 stop6h 36m
Oakland
Fri 9/25
7:51 pm-4:41 pm
1 stop19h 50m
$403
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 9/23
5:18 pm-9:27 am
1 stop17h 09m
Oakland
Sat 9/26
10:11 am-4:41 pm
1 stop5h 30m
$403
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Thu 9/24
5:18 pm-10:54 pm
1 stop6h 36m
Oakland
Fri 9/25
7:51 pm-4:41 pm
1 stop19h 50m
$474
Cheapest one-way
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Mon 9/28
5:18 pm-6:55 pm
1 stop26h 37m
$227
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Tue 10/13
5:26 pm-6:30 pm
2 stops26h 04m
$248
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 10/28
5:26 pm-11:30 am
2 stops19h 04m
$248
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Mon 11/9
4:41 pm-9:33 pm
2 stops29h 52m
$258
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 10/7
5:26 pm-11:30 am
2 stops19h 04m
$280
Showing 1-10 of 17 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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