Cheap flights from California to Helena from $122
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Helena departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from California to Helena
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 day to depart on your flight to Helena?
The cheapest day to depart from California to Helena is on a Friday. Travelers who choose to depart for Helena on a Friday will often find tickets for as low as $431. The most expensive day to fly to Helena is Wednesday, with ticket prices averaging around $497.
What is the cheapest time of day to depart on your flight to Helena?
According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from California to Helena in the afternoon for as low as $393. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is at noon when prices are around $611.
What is the cheapest airline that flies from California to Helena?
Alaska Airlines, Delta, and Hawaiian Airlines are the most popular carriers operating from California to Helena
What airlines fly to Helena?
United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Helena from California according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 9 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.
Cheap California to Helena flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Helena
When did momondo last update prices for flights from California to Helena Airport?
Prices for flights from California to Helena Airport refresh daily.
How many operators does momondo search for flights from California to Helena Airport?
As of May 2025, there are 3 operators available to choose from for flights from California to Helena Airport.
How old do you have to be to fly from California to Helena Airport?
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 California to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from California to Helena
Compare and see reviews for airlines that fly from California to Helena with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $219 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 8.0 9,972 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to Helena?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Helena for you.
Can I find flights from California to Helena with flexible booking policies on momondo?
Yes. All flights to Helena from California on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from California to Helena?
Once all potential California to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from California to Helena right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Helena, momondo offers a useful price alert feature which will track prices for flights to Helena from California and alert you when they change.