$284 Cheap Flights from Cheyenne (CYS) to Helena (HLN)

View $284 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Cheyenne, WY (CYS-Cheyenne Regional) to Helena, MT (HLN-Helena Regional)

Cheap Flights from Cheyenne to Helena (CYS-HLN)

Prices were available within the past 7 days and start at $284 for one-way flights and $655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 16 - Sat, Oct 18
CYS
Cheyenne
HLN
Helena
$655 Roundtrip, found 4 days ago
$655
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 16 from Cheyenne to Helena, returning Sat, Oct 18, priced at $655 found 4 days ago
United
Thu, Oct 16 - Wed, Oct 22
CYS
Cheyenne
HLN
Helena
$670 Roundtrip, found 4 days ago
$670
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 16 from Cheyenne to Helena, returning Wed, Oct 22, priced at $670 found 4 days ago
United
Thu, Oct 16 - Fri, Oct 17
CYS
Cheyenne
HLN
Helena
$792 Roundtrip, found 4 days ago
$792
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 16 from Cheyenne to Helena, returning Fri, Oct 17, priced at $792 found 4 days ago
United
Thu, Oct 16 - Thu, Oct 23
CYS
Cheyenne
HLN
Helena
$824 Roundtrip, found 4 days ago
$824
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 16 from Cheyenne to Helena, returning Thu, Oct 23, priced at $824 found 4 days ago

Frequently asked questions

How much does a flight from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN) cost?
Get a cheap one-way flight from $284 or cheap return flight from $655 from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN)?
Traveling in October is a good way to save, as it's the cheapest month for flights between CYS and HLN. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN)?
To find the cheapest airline flying from CYS to HLN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN)?
There are no daily nonstop flights from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from CYS to HLN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN)?
To reach Helena Regional Airport (HLN) on schedule, book a flight that leaves from Cheyenne Regional Airport (CYS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN) last-minute?
Holding off until just before your departure to book a flight from CYS to HLN generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a CYS to HLN flight and hotel package?
Compared with arranging hotels and flights separately, booking a CYS to HLN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cheyenne Regional Airport (CYS) to Helena Regional Airport (HLN)?
If you booked your CYS to HLN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Cheyenne Regional
Destination airport
Helena Regional
Roundtrip price
$655
Distance
518 mi

Book with confidence

Cheyenne to Helena Flights

The cheapest times to fly from Cheyenne 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 Cheyenne to Helena are during the month of October. You can find some of the cheapest flights from Cheyenne to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cheyenne to Helena

Sunday is one of the best days to book for cheap flights from Cheyenne 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 Cheyenne 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 Cheyenne to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $284 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 Cheyenne 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 Cheyenne 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.

 

Cheyenne to Helena Flights

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*Available to One Key members.