$177+ Cheap flights from Helena (HLN) to California
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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Aug 19 — Aug 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 California 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 California
Cheapest
Best
Last-minute
One-way
Cheapest flights from Helena to CaliforniaExplore the most affordable flight options available from Helena to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Helena to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 10/281:03 pm
HLN
- ONT
2 stops10h 40m
Delta
Mon 11/96:00 am
ONT
- HLN
1 stop5h 24m
Delta
Deal found 7/16![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 11/144:41 pm
HLN
- SMF
1 stop6h 14m
Alaska Airlines
Tue 11/1711:30 am
SMF
- HLN
1 stop27h 34m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$333
This Orbitz deal was found by Cheapflights users on 7/16. 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.
Wed 10/74:48 pm
HLN
- SMF
1 stop18h 27m
Alaska Airlines
Wed 10/142:22 pm
SMF
- HLN
1 stop24h 49m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 11/144:41 pm
HLN
- SJC
1 stop5h 02m
Alaska Airlines
Tue 11/178:00 am
SJC
- HLN
1 stop7h 04m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 10/284:48 pm
HLN
- SAN
1 stop6h 10m
Alaska Airlines
Fri 10/3011:07 am
SAN
- HLN
1 stop28h 04m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 11/104:41 pm
HLN
- LAS
1 stop19h 40m
Alaska Airlines
Sat 11/149:36 am
LAS
- HLN
1 stop5h 28m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$343
This Trip.com deal was found by Cheapflights users on 7/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:11 pm
HLN
- LAS
1 stop18h 36m
Alaska Airlines
Tue 9/1511:55 am
LAS
- HLN
1 stop27h 46m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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 11/144:41 pm
HLN
- SAN
1 stop18h 32m
Alaska Airlines
Tue 11/171:46 pm
SAN
- HLN
1 stop25h 18m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 8/1312:55 pm
HLN
- ONT
1 stop4h 29m
Delta
Thu 8/275:05 pm
ONT
- HLN
1 stop4h 25m
Delta
Deal found 7/16![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 8/275:11 pm
HLN
- SFO
1 stop7h 29m
Alaska Airlines
Mon 8/318:53 pm
SFO
- HLN
1 stop18h 41m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 7/18. 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 8/812:55 pm
HLN
- ONT
1 stop4h 29m
Delta
Wed 8/125:05 pm
ONT
- HLN
1 stop4h 25m
Delta
Deal found 7/18![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 7/17. 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.
Thu 11/51:03 pm
HLN
- ONT
2 stops10h 40m
Delta
Mon 11/95:05 pm
ONT
- HLN
1 stop4h 36m
Delta
Deal found 7/17![Delta logo]()
$358
Best flights from Helena to CaliforniaDiscover carefully curated flight deals from Helena to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Helena to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 11/144:41 pm
HLN
- SMF
1 stop6h 14m
Alaska Airlines
Tue 11/1711:30 am
SMF
- HLN
1 stop27h 34m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/18. 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 8/812:55 pm
HLN
- ONT
1 stop4h 29m
Delta
Wed 8/125:05 pm
ONT
- HLN
1 stop4h 25m
Delta
Deal found 7/18![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:15 am
HLN
- SMF
1 stop8h 02m
United Airlines
Fri 8/2112:57 pm
SMF
- HLN
1 stop7h 33m
United Airlines
Deal found 7/17![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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
HLN
- SJC
1 stop5h 02m
Alaska Airlines
Tue 11/178:00 am
SJC
- HLN
1 stop7h 04m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:03 pm
HLN
- ONT
2 stops10h 40m
Delta
Mon 11/95:05 pm
ONT
- HLN
1 stop4h 36m
Delta
Deal found 7/19![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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.
Tue 10/274:48 pm
HLN
- SAN
1 stop22h 52m
Alaska Airlines
Fri 10/302:59 pm
SAN
- HLN
1 stop24h 12m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 10/297:15 am
HLN
- ONT
1 stop6h 07m
Delta
Tue 11/106:00 am
ONT
- HLN
1 stop5h 24m
Delta
Deal found 7/16![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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
HLN
- SAN
1 stop6h 50m
Alaska Airlines
Tue 11/174:23 pm
SAN
- HLN
1 stop22h 41m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 11/104:41 pm
HLN
- LAS
1 stop19h 40m
Alaska Airlines
Sat 11/149:36 am
LAS
- HLN
1 stop5h 28m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 am
HLN
- LAS
1 stop5h 34m
United Airlines
Tue 8/185:20 am
LAS
- HLN
1 stop7h 25m
United Airlines
Deal found 7/16![United Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 10/281:03 pm
HLN
- LAX
1 stop4h 32m
Delta
Sun 11/85:04 pm
LAX
- HLN
1 stop4h 20m
Delta
Deal found 7/16![Delta logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 8/275:11 pm
HLN
- SFO
1 stop7h 29m
Alaska Airlines
Mon 8/318:53 pm
SFO
- HLN
1 stop18h 41m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 8/275:40 am
HLN
- LAX
1 stop4h 05m
Delta
Sat 8/295:35 am
LAX
- HLN
1 stop5h 40m
Delta
Deal found 7/16![Delta logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 11/144:41 pm
HLN
- ONT
1 stop7h 13m
Alaska Airlines
Tue 11/1712:00 pm
ONT
- HLN
1 stop27h 04m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 10/287:15 am
HLN
- LAX
1 stop4h 13m
Delta
Mon 11/95:55 am
LAX
- HLN
1 stop5h 29m
Delta
Deal found 7/16![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:15 am
HLN
- BUR
1 stop6h 09m
Delta
Thu 10/84:59 pm
BUR
- HLN
1 stop4h 25m
Delta
Deal found 7/19![Delta logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:18 pm
HLN
- SAN
1 stop7h 26m
Alaska Airlines
Wed 9/234:50 pm
SAN
- HLN
1 stop22h 51m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:20 pm
HLN
- MFR
1 stop7h 57m
United Airlines
Thu 8/65:00 am
MFR
- HLN
1 stop7h 33m
United Airlines
Deal found 7/18![United Airlines logo]()
$613
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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
HLN
- ONT
1 stop7h 13m
Alaska Airlines
Wed 11/184:09 pm
ONT
- HLN
1 stop22h 55m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:57 pm
HLN
- SAN
2 stops9h 12m
Delta
Wed 9/233:00 pm
SAN
- HLN
2 stops6h 24m
Delta
Deal found 7/19![Delta logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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 10/314:48 pm
HLN
- LAX
1 stop8h 10m
Alaska Airlines
Wed 11/47:00 am
LAX
- HLN
1 stop8h 04m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:55 pm
HLN
- SFO
2 stops9h 24m
Delta
Wed 8/192:36 pm
SFO
- HLN
2 stops6h 54m
Delta
Deal found 7/15![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 10/74:48 pm
HLN
- SMF
2 stops25h 54m
Alaska Airlines
Wed 10/148:11 am
SMF
- HLN
1 stop7h 00m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 7/18. 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 8/156:50 am
HLN
- SMF
1 stop6h 28m
Delta
Sat 8/225:30 am
SMF
- HLN
1 stop5h 45m
Delta
Deal found 7/18![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
HLN
- LAX
1 stop4h 51m
Delta
Mon 8/245:00 pm
LAX
- HLN
1 stop4h 30m
Delta
Deal found 7/15![Delta logo]()
$435
This Travelocity deal was found by Cheapflights users on 7/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:18 pm
HLN
- SJC
1 stop17h 23m
Alaska Airlines
Mon 10/510:35 am
SJC
- HLN
1 stop4h 36m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:41 pm
HLN
- SJC
1 stop18h 04m
Alaska Airlines
Wed 11/118:00 am
SJC
- HLN
1 stop7h 04m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 8/225:32 pm
HLN
- LAS
1 stop6h 45m
Alaska Airlines
Wed 8/262:51 pm
LAS
- HLN
2 stops24h 43m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:03 pm
HLN
- LAS
2 stops11h 04m
Delta
Sun 10/116:00 am
LAS
- HLN
1 stop5h 23m
Delta
Deal found 7/19![Delta logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 10/314:48 pm
HLN
- BUR
1 stop6h 09m
Alaska Airlines
Wed 11/42:15 pm
BUR
- HLN
1 stop24h 49m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$403
Last-minute flights from Helena to CaliforniaDiscover last-minute flight deals from Helena to California. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to California. Data last updated July 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:15 am
HLN
- ONT
1 stop7h 32m
United Airlines
Sat 8/85:00 am
ONT
- HLN
1 stop7h 33m
United Airlines
Deal found 7/17![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 7/18. 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 8/812:55 pm
HLN
- ONT
1 stop4h 29m
Delta
Wed 8/125:05 pm
ONT
- HLN
1 stop4h 25m
Delta
Deal found 7/18![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:50 am
HLN
- ONT
1 stop6h 26m
Delta
Tue 8/116:00 am
ONT
- HLN
1 stop5h 15m
Delta
Deal found 7/15![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 8/1312:55 pm
HLN
- ONT
1 stop4h 29m
Delta
Thu 8/275:05 pm
ONT
- HLN
1 stop4h 25m
Delta
Deal found 7/16![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:40 am
HLN
- SFO
1 stop4h 10m
Delta
Wed 8/1911:37 am
SFO
- HLN
2 stops9h 53m
Delta
Deal found 7/15![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:35 pm
HLN
- SMF
1 stop7h 25m
United Airlines
Sat 8/2212:57 pm
SMF
- HLN
1 stop7h 33m
United Airlines
Deal found 7/18![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:40 am
HLN
- ONT
1 stop4h 12m
Delta
Sun 8/236:00 am
ONT
- HLN
1 stop5h 15m
Delta
Deal found 7/19![Delta logo]()
$416
This Delta deal was found by Cheapflights users on 7/18. 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.
Wed 8/1912:55 pm
HLN
- LAX
1 stop4h 51m
Delta
Sat 8/225:35 am
LAX
- HLN
1 stop5h 40m
Delta
Deal found 7/18![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 7/18. 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.
Wed 8/195:40 am
HLN
- BUR
1 stop4h 08m
Delta
Sat 8/227:00 am
BUR
- HLN
1 stop4h 15m
Delta
Deal found 7/18![Delta logo]()
$405
This Expedia deal was found by Cheapflights users on 7/15. 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 8/225:32 pm
HLN
- LAS
1 stop6h 45m
Alaska Airlines
Wed 8/2610:30 am
LAS
- HLN
1 stop5h 04m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 8/275:11 pm
HLN
- SFO
1 stop7h 29m
Alaska Airlines
Mon 8/318:53 pm
SFO
- HLN
1 stop18h 41m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 8/275:40 am
HLN
- LAX
1 stop4h 05m
Delta
Sat 8/295:35 am
LAX
- HLN
1 stop5h 40m
Delta
Deal found 7/16![Delta logo]()
$409
One-way flights from Helena to CaliforniaSearch for one-way flight options from Helena to California. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Helena to California. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:40 am
HLN
- ONT
1 stop4h 12m
Delta
Deal found 7/19![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:35 pm
HLN
- SMF
1 stop8h 25m
United Airlines
Deal found 7/19![United Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:15 am
HLN
- SMF
2 stops7h 22m
Delta
Deal found 7/15![Delta logo]()
$183
This Delta deal was found by Cheapflights users on 7/18. 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 9/1212:57 pm
HLN
- SMF
1 stop4h 11m
Delta
Deal found 7/18![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 7/16. 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.
Sat 8/296:50 am
HLN
- SMF
2 stops7h 34m
Delta
Deal found 7/16![Delta logo]()
$192
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:35 pm
HLN
- SMF
1 stop8h 25m
United Airlines
Deal found 7/17![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:40 am
HLN
- SMF
1 stop4h 01m
Delta
Deal found 7/15![Delta logo]()
$198
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:40 am
HLN
- SFO
1 stop4h 10m
Delta
Deal found 7/19![Delta logo]()
$198
This Priceline deal was found by Cheapflights users on 7/15. 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.
Sat 10/34:48 pm
HLN
- SMF
1 stop8h 02m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 am
HLN
- SMF
2 stops8h 44m
Delta
Deal found 7/15![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 7/17. 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.
Mon 8/245:40 am
HLN
- SMF
1 stop4h 01m
Delta
Deal found 7/17![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:40 am
HLN
- BUR
1 stop4h 08m
Delta
Deal found 7/19![Delta logo]()
$208
Find flight deals from Helena to California
Keep the following information in mind while searching for Helena to California flight deals. Data was last updated July 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $324 (Delta) |
One-way from | $177 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to California 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 July 20, 2026.
Use the filters below to find and compare flights from Helena to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaSacramento
HLN - SMF
HLNSMF
Helena
Sat 11/14
4:41 pm-9:55 pm
1 stop6h 14m
Sacramento Intl
Tue 11/17
11:30 am-4:04 pm
1 stop27h 34m
$333
HelenaSan Jose
HLN - SJC
HLNSJC
Helena
Sat 11/14
4:41 pm-8:43 pm
1 stop5h 02m
San Jose
Tue 11/17
8:00 am-4:04 pm
1 stop7h 04m
$343
HelenaSan Diego
HLN - SAN
HLNSAN
Helena
Tue 10/27
4:48 pm-2:40 pm
1 stop22h 52m
San Diego
Fri 10/30
2:59 pm-4:11 pm
1 stop24h 12m
$343
HelenaSan Diego
HLN - SAN
HLNSAN
Helena
Sat 11/14
4:41 pm-10:31 pm
1 stop6h 50m
San Diego
Tue 11/17
4:23 pm-4:04 pm
1 stop22h 41m
$343
HelenaLas Vegas
HLN - LAS
HLNLAS
Helena
Tue 11/10
4:41 pm-11:21 am
1 stop19h 40m
Las Vegas Harry Reid Intl
Sat 11/14
9:36 am-4:04 pm
1 stop5h 28m
$343
HelenaOntario
HLN - ONT
HLNONT
Helena
Sat 8/8
12:55 pm-4:24 pm
1 stop4h 29m
Ontario
Wed 8/12
5:05 pm-10:30 pm
1 stop4h 25m
$353
HelenaSan Francisco
HLN - SFO
HLNSFO
Helena
Thu 8/27
5:11 pm-11:40 pm
1 stop7h 29m
San Francisco
Mon 8/31
8:53 pm-4:34 pm
1 stop18h 41m
$353
HelenaOntario
HLN - ONT
HLNONT
Helena
Thu 11/5
1:03 pm-10:43 pm
2 stops10h 40m
Ontario
Mon 11/9
5:05 pm-10:41 pm
1 stop4h 36m
$358
HelenaOntario
HLN - ONT
HLNONT
Helena
Sat 11/14
4:41 pm-10:54 pm
1 stop7h 13m
Ontario
Tue 11/17
12:00 pm-4:04 pm
1 stop27h 04m
$361
HelenaOntario
HLN - ONT
HLNONT
Helena
Thu 10/29
7:15 am-12:22 pm
1 stop6h 07m
Ontario
Tue 11/10
6:00 am-12:24 pm
1 stop5h 24m
$366
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Helena to California
Have a flexible travel schedule? Discover the best time to fly to California from Helena with our price prediction graph.
HLN-ONT
HLN-SMF
HLN-SJC
HLN-SAN
HLN-LAS
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.
Cheapflights Insights
Everything you need to know about your flight from Helena to California
HLN-USCA
HLN-ONT
HLN-SMF
HLN-SJC
HLN-SAN
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated July 20, 2026.
Peruse reviews from past customers who have flown with Delta from Helena to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Helena to California. 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
Other flight options
Popular flights
Top destinations
Alternative routes for Helena to California
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Helena to California by cabin class
Find flights from Helena to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Helena and California flights
Browse other Helena and California flight options. Last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Helena to California flights
Consider these flights traveling from Helena to California.
Top airline flying from Helena to California
Discover the top airline that operate flights from Helena to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$420 | FlexibilityNo cancel fee | On-timeN/A |