Cheap flights from Helena to California from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to California departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Helena to California
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
United Airlines flights from Helena to California
Our best United Airlines deals on Helena to California flight tickets
Hawaiian Airlines flights from Helena to California
Our best Hawaiian Airlines deals on Helena to California flight tickets
See travel insights to California from
How to get the cheapest flight ticket from Helena to California
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to California?
The month of May is another great option to travel to California, with average flight prices from Helena averaging around $274.
What is the cheapest day to depart on your flight to California?
The cheapest day to depart from Helena to California is on a Saturday. Travelers who choose to depart for California on a Saturday will often find tickets for as low as $338. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to California on Thursday is $760.
What is the cheapest airline that flies from Helena to California?
Alaska Airlines, Hawaiian Airlines, and United Airlines are the most popular carriers operating from Helena to California
What airlines fly to California?
Delta, Alaska Airlines and United Airlines are the top three most popular airlines that fly to California from Helena according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to California. Keep in mind that there are 8 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.
Cheap Helena to California flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Helena to California
When did momondo last update prices for flights from Helena Airport to California?
Prices for flights from Helena Airport to California refresh daily.
How many operators does momondo search for flights from Helena Airport to California?
As of July 2025, there are 3 operators available to choose from for flights from Helena Airport to California.
How old do you have to be to fly from Helena Airport to California?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to California.
What documentation or ID do you need to fly to California?
The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Helena to California
Compare and see reviews for airlines that fly from Helena to California with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $227 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.4 8,861 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Helena to California?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to California. momondo saves you time and could save you money on your trip.
Can I find flights from Helena to California with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to California from Helena with this policy.
How can momondo help me find flights from Helena to California?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to California from Helena.
I’m not ready to book a flight from Helena to California right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Helena to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.