$160+ Cheap flights from California to Helena (HLN)
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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — HLN
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from California to HelenaExplore the most affordable flight options available from California to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
Explore the most affordable flight options available from California to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
This Delta deal was found by Cheapflights users on 7/7. 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 9/256:00 am
ONT
- HLN
1 stop5h 17m
Delta
Tue 9/297:15 am
HLN
- ONT
1 stop5h 59m
Delta
Deal found 7/7![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 9/266:00 am
SMF
- HLN
1 stop9h 41m
Alaska Airlines
Tue 10/64:48 pm
HLN
- SMF
1 stop26h 27m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 7/7. 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 7/256:00 am
ONT
- HLN
1 stop5h 15m
Delta
Wed 7/295:40 am
HLN
- ONT
1 stop4h 07m
Delta
Deal found 7/7![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 10/275:42 pm
SFO
- HLN
1 stop21h 29m
Alaska Airlines
Sat 10/314:48 pm
HLN
- SFO
1 stop6h 56m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 10/316:02 am
ONT
- HLN
1 stop9h 09m
Alaska Airlines
Wed 11/44:41 pm
HLN
- ONT
1 stop7h 13m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 11/79:15 am
SAN
- HLN
1 stop5h 49m
Alaska Airlines
Tue 11/104:41 pm
HLN
- SAN
1 stop6h 50m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 9/253:14 pm
ONT
- HLN
1 stop24h 27m
Alaska Airlines
Tue 9/295:18 pm
HLN
- ONT
2 stops23h 52m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 11/37:43 pm
SJC
- HLN
1 stop19h 21m
Alaska Airlines
Sat 11/74:41 pm
HLN
- SJC
1 stop5h 02m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 10/317:00 am
LGB
- HLN
1 stop8h 11m
Alaska Airlines
Wed 11/44:41 pm
HLN
- LGB
1 stop5h 18m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 9/2610:11 am
OAK
- HLN
1 stop5h 30m
Alaska Airlines
Wed 9/305:18 pm
HLN
- OAK
1 stop6h 36m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 9/266:00 am
SMF
- HLN
1 stop9h 41m
Alaska Airlines
Sat 10/34:48 pm
HLN
- SMF
1 stop5h 56m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am
OAK
- HLN
1 stop8h 11m
Alaska Airlines
Sun 10/184:48 pm
HLN
- OAK
1 stop27h 06m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$383
Best flights from California to HelenaDiscover carefully curated flight deals from California to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from California to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This Delta deal was found by Cheapflights users on 7/7. 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 9/256:00 am
ONT
- HLN
1 stop5h 17m
Delta
Tue 9/297:15 am
HLN
- ONT
1 stop5h 59m
Delta
Deal found 7/7![Delta logo]()
$319
This Booking.com deal was found by Cheapflights users on 7/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:59 pm
ONT
- HLN
1 stop19h 42m
Alaska Airlines
Mon 9/285:18 pm
HLN
- ONT
1 stop7h 06m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/5. 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 8/256:00 am
ONT
- HLN
1 stop5h 15m
Delta
Sat 8/296:50 am
HLN
- ONT
1 stop6h 26m
Delta
Deal found 7/5![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 10/317:00 am
LGB
- HLN
1 stop8h 11m
Multiple Airlines
Wed 11/44:41 pm
HLN
- LGB
2 stops28h 04m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$649
This Alaska Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:03 am
SMF
- HLN
1 stop7h 38m
Alaska Airlines
Sat 10/34:48 pm
HLN
- SMF
1 stop8h 02m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 10/275:42 pm
SFO
- HLN
1 stop21h 29m
Alaska Airlines
Sat 10/314:48 pm
HLN
- SFO
1 stop6h 56m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 7/7. 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 9/52:23 pm
SMF
- HLN
2 stops7h 07m
Delta
Tue 9/157:15 am
HLN
- SMF
1 stop6h 00m
Delta
Deal found 7/7![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 10/316:02 am
ONT
- HLN
1 stop9h 09m
Alaska Airlines
Wed 11/44:41 pm
HLN
- ONT
1 stop7h 13m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 7/5. 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 8/267:15 am
LAX
- HLN
1 stop4h 00m
Delta
Sat 8/2912:55 pm
HLN
- LAX
1 stop4h 51m
Delta
Deal found 7/5![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 11/79:15 am
SAN
- HLN
1 stop5h 49m
Alaska Airlines
Tue 11/104:41 pm
HLN
- SAN
1 stop6h 50m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/5. 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 8/255:00 pm
LAX
- HLN
1 stop4h 30m
Delta
Sat 8/2912:55 pm
HLN
- LAX
1 stop6h 30m
Delta
Deal found 7/5![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 11/37:43 pm
SJC
- HLN
1 stop19h 21m
Alaska Airlines
Sat 11/74:41 pm
HLN
- SJC
1 stop5h 02m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 7/4. 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 9/67:15 am
LAX
- HLN
1 stop4h 00m
Delta
Sat 9/1212:57 pm
HLN
- LAX
1 stop6h 15m
Delta
Deal found 7/4![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 10/317:00 am
LGB
- HLN
1 stop8h 11m
Alaska Airlines
Wed 11/44:41 pm
HLN
- LGB
1 stop5h 18m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 7/5. 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 8/257:15 am
LAX
- HLN
1 stop4h 00m
Delta
Sun 8/3012:55 pm
HLN
- LAX
1 stop6h 21m
Delta
Deal found 7/5![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 9/2610:11 am
OAK
- HLN
1 stop5h 30m
Alaska Airlines
Wed 9/305:18 pm
HLN
- OAK
1 stop6h 36m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 10/288:11 am
SMF
- HLN
1 stop7h 00m
Alaska Airlines
Sat 10/314:48 pm
HLN
- SMF
1 stop5h 56m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 7/6. 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 8/275:50 am
SFO
- HLN
1 stop5h 25m
Delta
Tue 9/15:40 am
HLN
- SFO
1 stop4h 10m
Delta
Deal found 7/6![Delta logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 10/137:00 am
OAK
- HLN
1 stop8h 11m
Alaska Airlines
Sun 10/184:48 pm
HLN
- OAK
1 stop27h 06m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 7/7. 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 9/262:09 pm
SMF
- HLN
2 stops7h 20m
Delta
Tue 10/67:15 am
HLN
- SMF
2 stops7h 22m
Delta
Deal found 7/7![Delta logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 11/37:00 am
LAX
- HLN
1 stop8h 04m
Alaska Airlines
Sat 11/74:41 pm
HLN
- LAX
1 stop7h 07m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 7/8. 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 8/15:01 pm
SJC
- HLN
1 stop4h 38m
Delta
Mon 8/312:55 pm
HLN
- SJC
2 stops10h 18m
Delta
Deal found 7/8![Delta logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 11/77:00 am
BUR
- HLN
1 stop8h 04m
Alaska Airlines
Wed 11/114:41 pm
HLN
- BUR
1 stop6h 16m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/4. 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 9/65:35 am
LAX
- HLN
1 stop5h 40m
Delta
Sun 9/1312:57 pm
HLN
- LAX
1 stop6h 15m
Delta
Deal found 7/4![Delta logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 10/2710:53 am
BUR
- HLN
1 stop28h 18m
Alaska Airlines
Sat 10/314:48 pm
HLN
- BUR
1 stop6h 09m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/5. 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 9/265:08 pm
SMF
- HLN
1 stop4h 21m
Delta
Sat 10/312:57 pm
HLN
- SMF
2 stops8h 34m
Delta
Deal found 7/5![Delta logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/267:00 am
SAN
- HLN
2 stops8h 34m
Alaska Airlines
Tue 9/155:18 pm
HLN
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 7/6. 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 8/175:10 pm
SJC
- HLN
1 stop4h 20m
Delta
Sun 8/235:40 am
HLN
- SJC
1 stop4h 14m
Delta
Deal found 7/6![Delta logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 9/255:34 pm
BUR
- HLN
1 stop22h 07m
Alaska Airlines
Mon 9/285:18 pm
HLN
- BUR
1 stop17h 54m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 7/6. 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 8/215:10 pm
SJC
- HLN
1 stop4h 20m
Delta
Sun 8/235:40 am
HLN
- SJC
1 stop4h 14m
Delta
Deal found 7/6![Delta logo]()
$449
Last-minute flights from California to HelenaDiscover last-minute flight deals from California to Helena. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from California to Helena. Data last updated July 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/7. 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 7/256:00 am
ONT
- HLN
1 stop5h 15m
Delta
Wed 7/295:40 am
HLN
- ONT
1 stop4h 07m
Delta
Deal found 7/7![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 8/228:03 am
SMF
- HLN
1 stop7h 52m
Alaska Airlines
Wed 8/265:11 pm
HLN
- SMF
1 stop17h 06m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 7/5. 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 8/256:00 am
ONT
- HLN
1 stop5h 15m
Delta
Sat 8/296:50 am
HLN
- ONT
1 stop6h 26m
Delta
Deal found 7/5![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/256:35 pm
SAN
- HLN
1 stop20h 59m
Alaska Airlines
Wed 9/165:18 pm
HLN
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/253:09 pm
SNA
- HLN
1 stop24h 25m
Alaska Airlines
Mon 8/315:11 pm
HLN
- SNA
1 stop18h 02m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/5. 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 8/255:05 pm
ONT
- HLN
1 stop4h 25m
Delta
Sun 8/305:40 am
HLN
- ONT
1 stop4h 12m
Delta
Deal found 7/5![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 7/5. 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 8/255:51 pm
LAX
- HLN
2 stops17h 24m
Delta
Sat 8/296:50 am
HLN
- LAX
1 stop4h 40m
Delta
Deal found 7/5![Delta logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/254:36 pm
SAN
- HLN
2 stops22h 58m
Alaska Airlines
Tue 9/155:18 pm
HLN
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 7/5. 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 8/256:02 pm
SNA
- HLN
2 stops17h 13m
Delta
Sat 8/2912:55 pm
HLN
- SNA
2 stops10h 35m
Delta
Deal found 7/5![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 7/5. 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 8/267:15 am
LAX
- HLN
1 stop4h 00m
Delta
Sat 8/296:50 am
HLN
- LAX
1 stop4h 40m
Delta
Deal found 7/5![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/267:00 am
SAN
- HLN
2 stops8h 34m
Alaska Airlines
Wed 9/165:18 pm
HLN
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/278:59 pm
SNA
- HLN
1 stop18h 35m
Alaska Airlines
Mon 8/315:11 pm
HLN
- SNA
1 stop6h 19m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$403
One-way flights from California to HelenaSearch for one-way flight options from California to Helena. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from California to Helena. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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 7/315:10 pm
ONT
- HLN
1 stop4h 29m
Delta
Deal found 7/8![Delta logo]()
$160
This Expedia deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:59 pm
ONT
- HLN
1 stop19h 42m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 7/7. 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 10/66:00 am
SFO
- HLN
1 stop5h 23m
Delta
Deal found 7/7![Delta logo]()
$191
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/275:00 am
ONT
- HLN
1 stop7h 48m
United Airlines
Deal found 7/7![United Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 7/275:00 am
ONT
- HLN
1 stop7h 33m
United Airlines
Deal found 7/8![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 7/7. 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 9/274:55 pm
BUR
- HLN
1 stop4h 29m
Delta
Deal found 7/7![Delta logo]()
$211
This Delta deal was found by Cheapflights users on 7/8. 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 8/116:00 am
SJC
- HLN
1 stop5h 15m
Delta
Deal found 7/8![Delta logo]()
$216
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 am
SFO
- HLN
1 stop5h 32m
Delta
Deal found 7/9![Delta logo]()
$220
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:15 am
LAX
- HLN
1 stop4h 00m
Delta
Deal found 7/9![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 7/6. 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 9/75:10 pm
SJC
- HLN
1 stop4h 20m
Delta
Deal found 7/6![Delta logo]()
$225
This Delta deal was found by Cheapflights users on 7/8. 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 8/115:50 am
SFO
- HLN
1 stop5h 25m
Delta
Deal found 7/8![Delta logo]()
$228
This Delta deal was found by Cheapflights users on 7/5. 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 7/155:10 pm
ONT
- HLN
1 stop4h 29m
Delta
Deal found 7/5![Delta logo]()
$230
Find flight deals from California to Helena
Keep the following information in mind while searching for California to Helena flight deals. Data was last updated July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $160 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $618 |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Helena 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 9, 2026.
Use the filters below to find and compare flights from California to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioHelena
ONT - HLN
ONTHLN
Ontario
Fri 9/25
6:00 am-12:17 pm
1 stop5h 17m
Helena
Tue 9/29
7:15 am-12:14 pm
1 stop5h 59m
$319
OntarioHelena
ONT - HLN
ONTHLN
Ontario
Fri 9/25
7:59 pm-4:41 pm
1 stop19h 42m
Helena
Mon 9/28
5:18 pm-11:24 pm
1 stop7h 06m
$319
OntarioHelena
ONT - HLN
ONTHLN
Ontario
Tue 8/25
6:00 am-12:15 pm
1 stop5h 15m
Helena
Sat 8/29
6:50 am-12:16 pm
1 stop6h 26m
$319
SacramentoHelena
SMF - HLN
SMFHLN
Sacramento Intl
Sat 9/26
8:03 am-4:41 pm
1 stop7h 38m
Helena
Sat 10/3
4:48 pm-11:50 pm
1 stop8h 02m
$343
San FranciscoHelena
SFO - HLN
SFOHLN
San Francisco
Tue 10/27
5:42 pm-4:11 pm
1 stop21h 29m
Helena
Sat 10/31
4:48 pm-10:44 pm
1 stop6h 56m
$355
OntarioHelena
ONT - HLN
ONTHLN
Ontario
Sat 10/31
6:02 am-4:11 pm
1 stop9h 09m
Helena
Wed 11/4
4:41 pm-10:54 pm
1 stop7h 13m
$361
San DiegoHelena
SAN - HLN
SANHLN
San Diego
Sat 11/7
9:15 am-4:04 pm
1 stop5h 49m
Helena
Tue 11/10
4:41 pm-10:31 pm
1 stop6h 50m
$363
San JoseHelena
SJC - HLN
SJCHLN
San Jose
Tue 11/3
7:43 pm-4:04 pm
1 stop19h 21m
Helena
Sat 11/7
4:41 pm-8:43 pm
1 stop5h 02m
$379
Long BeachHelena
LGB - HLN
LGBHLN
Long Beach Municipal
Sat 10/31
7:00 am-4:11 pm
1 stop8h 11m
Helena
Wed 11/4
4:41 pm-8:59 pm
1 stop5h 18m
$381
OaklandHelena
OAK - HLN
OAKHLN
Oakland
Sat 9/26
10:11 am-4:41 pm
1 stop5h 30m
Helena
Wed 9/30
5:18 pm-10:54 pm
1 stop6h 36m
$381
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from California with our price prediction graph.
ONT-HLN
SAN-HLN
LAX-HLN
SNA-HLN
SMF-HLN
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 California to Helena
USCA-HLN
ONT-HLN
SAN-HLN
LAX-HLN
SNA-HLN
What is the cheapest month to book a flight from California to Helena?
Currently, December is the cheapest month in which you can book a flight from California to Helena (average of $159). Flying from California to Helena in June is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from California to Helena?
Related info for your journey
Find useful and relevant information for your journey from California to Helena. 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
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Helena flight routes
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Popular flights
Top destinations
Alternative routes for California to Helena
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Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Helena by cabin class
Find flights from California to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 9, 2026.
California and Helena flights
Browse other California and Helena flight options. Last updated on July 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
California to Helena flights
Consider these flights traveling from California to Helena.
Top 3 airlines flying from California to Helena
Discover the top 3 airlines that operate flights from California to Helena. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$479 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$291 | Average$618 | FlexibilityNo cancel fee | On-time75% |