How does KAYAK find such low prices on flights from California to Helena?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Helena.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Helena?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Helena?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Helena?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$185 CHEAP FLIGHTS from California to Helena

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Flight Deals

Cheap Flights from California to Helena

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from California to Helena

Wed, Dec 9 - Sat, Dec 12

7:00 am - 4:12 pmOAK Oakland-HLN Helena

8h 12m1 stop Seattle/Tacoma Intl

4:49 pm - 10:50 pmHLN Helena-OAK Oakland

7h 01m1 stop Seattle/Tacoma Intl

$311Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

7:00 am - 4:12 pmOAK Oakland-HLN Helena

8h 12m1 stop Seattle/Tacoma Intl

4:49 pm - 10:50 pmHLN Helena-OAK Oakland

7h 01m1 stop Seattle/Tacoma Intl

$333Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

9:25 am - 4:23 pmSFO San Francisco-HLN Helena

5h 58m1 stop Seattle/Tacoma Intl

5:00 pm - 1:38 pmHLN Helena-SFO San Francisco

21h 38m1 stop Seattle/Tacoma Intl

$333Alaska Airlines

Wed, Dec 9 - Mon, Dec 14

6:15 am - 4:12 pmSAN San Diego-HLN Helena

8h 57m1 stop Seattle/Tacoma Intl

4:49 pm - 1:23 pmHLN Helena-SAN San Diego

21h 34m1 stop Seattle/Tacoma Intl

$342Alaska Airlines

Thu, Nov 26 - Thu, Dec 3

7:20 am - 7:28 pmSAN San Diego-HLN Helena

11h 08m2 stops Seattle/Tacoma Intl Salt Lake City

1:10 pm - 10:52 pmHLN Helena-SAN San Diego

10h 42m2 stops Salt Lake City Seattle/Tacoma Intl

$417Delta

Mon, Dec 7 - Sun, Dec 13

6:00 am - 12:30 pmONT Ontario-HLN Helena

5h 30m1 stop Salt Lake City

7:03 am - 12:17 pmHLN Helena-ONT Ontario

6h 14m1 stop Salt Lake City

$424Delta

Mon, Dec 7 - Sun, Dec 13

6:00 am - 12:30 pmONT Ontario-HLN Helena

5h 30m1 stop Salt Lake City

1:10 pm - 10:59 pmHLN Helena-ONT Ontario

10h 49m2 stops Salt Lake City Seattle/Tacoma Intl

$429Delta

Thu, Feb 11 - Sun, Feb 14

5:00 am - 1:55 pmONT Ontario-HLN Helena

7h 55m1 stop Denver Intl

2:36 pm - 9:17 pmHLN Helena-ONT Ontario

7h 41m1 stop Denver Intl

$469United Airlines

Thu, Feb 11 - Sun, Feb 14

1:45 pm - 9:38 pmONT Ontario-HLN Helena

6h 53m1 stop Denver Intl

2:36 pm - 9:17 pmHLN Helena-ONT Ontario

7h 41m1 stop Denver Intl

$469United Airlines

Wed, Feb 10 - Sun, Feb 14

5:00 am - 1:40 pmONT Ontario-HLN Helena

7h 40m1 stop Denver Intl

2:36 pm - 9:17 pmHLN Helena-ONT Ontario

7h 41m1 stop Denver Intl

$469United Airlines

Recent last minute flight deals from California to Helena

Mon, Nov 2 - Wed, Nov 4

6:00 am - 12:28 pmONT Ontario-HLN Helena

5h 28m1 stop Salt Lake City

1:08 pm - 4:23 pmHLN Helena-ONT Ontario

4h 15m1 stop Salt Lake City

$509Delta

Mon, Nov 2 - Wed, Nov 4

6:00 am - 12:28 pmONT Ontario-HLN Helena

5h 28m1 stop Salt Lake City

1:08 pm - 10:43 pmHLN Helena-ONT Ontario

10h 35m2 stops Salt Lake City Seattle/Tacoma Intl

$514Delta

Tue, Nov 3 - Tue, Nov 10

6:00 am - 12:28 pmONT Ontario-HLN Helena

5h 28m1 stop Salt Lake City

1:07 pm - 11:00 pmHLN Helena-ONT Ontario

10h 53m2 stops Salt Lake City Seattle/Tacoma Intl

$524Delta

Tue, Nov 3 - Tue, Nov 10

5:03 pm - 10:24 pmONT Ontario-HLN Helena

4h 21m1 stop Salt Lake City

1:07 pm - 4:24 pmHLN Helena-ONT Ontario

4h 17m1 stop Salt Lake City

$529Delta

Tue, Nov 3 - Tue, Nov 10

1:29 pm - 9:31 pmONT Ontario-HLN Helena

7h 02m1 stop Denver Intl

2:23 pm - 8:51 pmHLN Helena-ONT Ontario

7h 28m1 stop Denver Intl

$564United Airlines

Tue, Nov 3 - Tue, Nov 10

5:00 am - 1:40 pmONT Ontario-HLN Helena

7h 40m1 stop Denver Intl

6:28 am - 6:01 pmHLN Helena-ONT Ontario

12h 33m2 stops Denver Intl San Francisco

$841United Airlines

Mon, Nov 2 - Thu, Nov 5

5:59 pm - 4:04 pmONT Ontario-HLN Helena

21h 05m2 stops Portland Seattle/Tacoma Intl

4:41 pm - 11:06 pmHLN Helena-ONT Ontario

7h 25m1 stop Seattle/Tacoma Intl

$905Alaska Airlines

Mon, Nov 2 - Wed, Nov 4

2:32 pm - 4:04 pmBUR Hollywood Burbank-HLN Helena

24h 32m1 stop Seattle/Tacoma Intl

4:41 pm - 9:57 pmHLN Helena-BUR Hollywood Burbank

6h 16m1 stop Seattle/Tacoma Intl

$1,005Alaska Airlines

Mon, Nov 2 - Thu, Nov 5

2:29 pm - 9:31 pmLAX Los Angeles-HLN Helena

6h 02m1 stop Denver Intl

2:23 pm - 7:28 pmHLN Helena-LAX Los Angeles

6h 05m1 stop Denver Intl

$1,005United Airlines

Mon, Nov 2 - Thu, Nov 5

6:09 pm - 4:04 pmBUR Hollywood Burbank-HLN Helena

20h 55m1 stop Seattle/Tacoma Intl

4:41 pm - 9:57 pmHLN Helena-BUR Hollywood Burbank

6h 16m1 stop Seattle/Tacoma Intl

$1,005Alaska Airlines

Useful Info

Low season	February
High season	August
Cheapest flight	$185

Best time to beat the crowds with an average 36% drop in price.

Most popular time to fly with an average 15% increase in price.

Flight from Ontario to Helena

How does KAYAK find such low prices on flights from California to Helena?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Helena.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Helena?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Helena?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Helena?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.