$253+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — OAK
Sep 25 — Oct 21
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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Last-minute
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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 26, 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 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 12/54:08 pm -
1 stop7h 02m
Wed 12/97:00 am -
1 stop7h 31m
Deal found 8/24![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/255:18 pm -
1 stop26h 37m
Tue 9/296:01 am -
1 stop9h 40m
Deal found 8/24![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/255:18 pm -
1 stop26h 37m
Sun 9/276:01 am -
1 stop9h 40m
Deal found 8/25![Alaska Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 8/21. 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 9/56:50 am -
1 stop6h 02m
Wed 9/96:00 am -
1 stop5h 17m
Deal found 8/21![Delta logo]()
$725
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 9/55:11 pm -
2 stops20h 38m
Wed 9/910:23 am -
1 stop5h 18m
Deal found 8/21![Alaska Airlines logo]()
$772
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 26, 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 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 12/54:08 pm -
1 stop7h 02m
Wed 12/97:00 am -
1 stop7h 31m
Deal found 8/25![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/255:18 pm -
1 stop26h 37m
Tue 9/296:01 am -
1 stop9h 40m
Deal found 8/24![Alaska Airlines logo]()
$393
Last-minute flights from Helena to OaklandDiscover last-minute flight deals from Helena to Oakland. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Oakland. Data last updated August 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/21. 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 9/56:50 am -
1 stop6h 02m
Wed 9/96:00 am -
1 stop5h 17m
Deal found 8/21![Delta logo]()
$725
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 9/55:11 pm -
2 stops20h 38m
Wed 9/910:23 am -
1 stop5h 18m
Deal found 8/21![Alaska Airlines logo]()
$772
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 9/85:18 pm -
1 stop17h 09m
Sat 9/1210:11 am -
1 stop5h 30m
Deal found 8/23![Alaska Airlines logo]()
$802
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/255:18 pm -
1 stop26h 37m
Tue 9/296:01 am -
1 stop9h 40m
Deal found 8/24![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/255:18 pm -
1 stop26h 37m
Sun 9/276:01 am -
1 stop9h 40m
Deal found 8/25![Alaska Airlines logo]()
$438
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 26, 2026.
Search for one-way flight options from Helena to Oakland. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Delta deal was found by Cheapflights users on 8/25. 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.
Sat 10/312:57 pm -
1 stop4h 23m
Deal found 8/25![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 am -
1 stop7h 12m
Deal found 8/23![Delta logo]()
$363
This Priceline deal was found by Cheapflights users on 8/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:18 pm -
1 stop6h 36m
Deal found 8/23![Alaska Airlines logo]()
$392
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:03 pm -
1 stop19h 30m
Deal found 8/23![Alaska Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Wed 9/95:18 pm -
2 stops20h 31m
Deal found 8/23![Alaska Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:57 pm -
1 stop12h 02m
Deal found 8/23![Delta logo]()
$468
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:55 pm -
1 stop4h 19m
Deal found 8/23![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:07 pm -
1 stop4h 10m
Deal found 8/23![Delta logo]()
$500
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Alaska Airlines) |
One-way from | $253 (Delta) |
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 7,457,451 searches. Data last updated August 26, 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
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
$323
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Fri 9/25
5:18 pm-6:55 pm
1 stop26h 37m
Oakland
Tue 9/29
6:01 am-4:41 pm
1 stop9h 40m
$393
Cheapest one-way
Quickest one-way
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Sat 10/3
12:57 pm-4:20 pm
1 stop4h 23m
$253
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Wed 9/9
7:15 am-11:59 am
1 stop5h 44m
$363
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Thu 9/10
7:15 am-11:59 am
1 stop5h 44m
$363
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Mon 10/5
7:15 am-11:59 am
1 stop5h 44m
$392
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Tue 9/8
5:18 pm-9:51 pm
2 stops29h 33m
$481
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Sat 9/5
5:11 pm-4:30 pm
2 stops24h 19m
$541
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Mon 9/7
5:40 am-11:52 am
1 stop7h 12m
$590
HelenaOakland
HLN Helena - OAK Oakland
HLNOAK
Helena
Mon 9/7
5:11 pm-9:51 pm
2 stops29h 40m
$981
Sorted 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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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