$191+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — OAK
Jul 19 — Jul 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 June 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 June 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 10/314:48 pm
HLN
- OAK
1 stop7h 07m
Alaska Airlines
Tue 11/37:00 am
OAK
- HLN
1 stop8h 04m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 9/235:18 pm
HLN
- OAK
1 stop6h 36m
Alaska Airlines
Sat 9/266:48 am
OAK
- HLN
2 stops8h 53m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 11/64:41 pm
HLN
- OAK
1 stop21h 11m
Alaska Airlines
Sun 11/87:00 am
OAK
- HLN
1 stop8h 04m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$453
This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:11 pm
HLN
- OAK
1 stop6h 43m
Alaska Airlines
Mon 9/77:51 pm
OAK
- HLN
1 stop19h 50m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:50 pm
HLN
- OAK
1 stop4h 42m
Delta
Sun 10/185:05 pm
OAK
- HLN
1 stop4h 36m
Delta
Deal found 6/16![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:50 pm
HLN
- OAK
1 stop4h 42m
Delta
Sun 11/225:55 am
OAK
- HLN
1 stop5h 29m
Delta
Deal found 6/16![Delta logo]()
$471
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 June 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 June 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 10/314:48 pm
HLN
- OAK
1 stop7h 07m
Alaska Airlines
Tue 11/37:00 am
OAK
- HLN
1 stop8h 04m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:50 pm
HLN
- OAK
1 stop4h 42m
Delta
Sun 10/185:05 pm
OAK
- HLN
1 stop4h 36m
Delta
Deal found 6/16![Delta logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 9/235:18 pm
HLN
- OAK
1 stop6h 36m
Alaska Airlines
Sat 9/2610:11 am
OAK
- HLN
1 stop5h 30m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 11/64:41 pm
HLN
- OAK
1 stop21h 11m
Alaska Airlines
Sun 11/87:00 am
OAK
- HLN
1 stop8h 04m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 7/105:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Tue 7/142:55 pm
OAK
- HLN
1 stop24h 37m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$561
Last-minute flights from Helena to OaklandDiscover last-minute flight deals from Helena to Oakland. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Oakland. Data last updated June 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/75:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Wed 7/156:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/75:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Sat 7/116:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/75:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Tue 7/146:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/85:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Wed 7/156:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/85:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Sat 7/116:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$574
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/85:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Tue 7/146:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/105:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Wed 7/156:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$531
This Expedia deal was found by Cheapflights users on 6/17. 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 7/105:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Fri 7/176:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$564
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/105:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Tue 7/146:22 am
OAK
- HLN
1 stop9h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$566
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 June 19, 2026.
Search for one-way flight options from Helena to Oakland. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Priceline deal was found by Cheapflights users on 6/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:11 pm
HLN
- OAK
1 stop6h 43m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$191
This Priceline deal was found by Cheapflights users on 6/15. 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 8/195:11 pm
HLN
- OAK
1 stop6h 43m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$194
This Priceline deal was found by Cheapflights users on 6/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:11 pm
HLN
- OAK
1 stop6h 43m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$221
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 8/315:11 pm
HLN
- OAK
2 stops29h 40m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:55 pm
HLN
- OAK
1 stop4h 19m
Delta
Deal found 6/17![Delta logo]()
$228
This Priceline deal was found by Cheapflights users on 6/17. 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.
Fri 8/215:32 pm
HLN
- OAK
1 stop6h 22m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/225:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:55 pm
HLN
- OAK
1 stop4h 26m
Delta
Deal found 6/18![Delta logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/105:09 pm
HLN
- OAK
1 stop17h 17m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:55 pm
HLN
- OAK
1 stop4h 26m
Delta
Deal found 6/17![Delta logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 9/115:18 pm
HLN
- OAK
1 stop26h 37m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$252
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 June 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $356 (Alaska Airlines) |
One-way from | $191 (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 June 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 - OAK
HLNOAK
Helena
Sat 10/31
4:48 pm-10:55 pm
1 stop7h 07m
Oakland
Tue 11/3
7:00 am-4:04 pm
1 stop8h 04m
$356
HelenaOakland
HLN - OAK
HLNOAK
Helena
Wed 9/23
5:18 pm-10:54 pm
1 stop6h 36m
Oakland
Sat 9/26
10:11 am-4:41 pm
1 stop5h 30m
$362
HelenaOakland
HLN - OAK
HLNOAK
Helena
Fri 11/6
4:41 pm-12:52 pm
1 stop21h 11m
Oakland
Sun 11/8
7:00 am-4:04 pm
1 stop8h 04m
$453
Quickest round-trip
HelenaOakland
HLN - OAK
HLNOAK
Helena
Fri 10/16
12:50 pm-4:32 pm
1 stop4h 42m
Oakland
Sun 10/18
5:05 pm-10:41 pm
1 stop4h 36m
$459
HelenaOakland
HLN - OAK
HLNOAK
Helena
Fri 7/10
5:09 pm-9:26 am
1 stop17h 17m
Oakland
Tue 7/14
2:55 pm-4:32 pm
1 stop24h 37m
$561
Cheapest one-way
HelenaOakland
HLN - OAK
HLNOAK
Helena
Tue 9/1
5:11 pm-10:54 pm
1 stop6h 43m
$191
Quickest one-way
HelenaOakland
HLN - OAK
HLNOAK
Helena
Sat 9/5
12:55 pm-4:14 pm
1 stop4h 19m
$194
HelenaOakland
HLN - OAK
HLNOAK
Helena
Wed 8/12
12:55 pm-4:14 pm
1 stop4h 19m
$228
HelenaOakland
HLN - OAK
HLNOAK
Helena
Tue 7/21
5:40 am-11:46 am
1 stop7h 06m
$228
HelenaOakland
HLN - OAK
HLNOAK
Helena
Wed 7/22
5:09 pm-9:26 am
1 stop17h 17m
$233
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 June.
| 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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Oakland flight routes
Other flight options
Other flights from Helena
Popular flights