Cheap Flights from Eureka (ACV) to Helena (HLN)

Popular airlines from Eureka, CA (ACV-Arcata - Eureka) to Helena, MT (HLN-Helena Regional)

Frequently asked questions

How much does a flight from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN) cost?
Secure a cheap one-way flight or cheap return flight from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN)?
is the most affordable month to fly from ACV to HLN. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN)?
To find the cheapest airline flying from ACV to HLN, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN)?
There are no daily nonstop flights from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from ACV to HLN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN)?
To touch down at Helena Regional Airport (HLN) without delays, choose a flight that leaves Arcata - Eureka Airport (ACV) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN) last-minute?
Booking your plane ticket from ACV to HLN just before your getaway is usually more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ACV to HLN flight and hotel package?
Booking an ACV to HLN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Arcata - Eureka Airport (ACV) to Helena Regional Airport (HLN)?
If you booked your ACV to HLN flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Arcata - Eureka
Destination airport
Helena Regional
Distance
717 mi

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Eureka to Helena Flights

The cheapest times to fly from Eureka to Helena

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Eureka to Helena are during the month of . You can find some of the cheapest flights from Eureka to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Eureka to Helena

Sunday is one of the best days to book for cheap flights from Eureka to Helena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Eureka to Helena

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Eureka to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Eureka to Helena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Eureka to Helena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Eureka to Helena Flights

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*Available to One Key members.