$265 Cheap Flights from Helena (HLN) to Monterey (MRY)

View $265 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Monterey Peninsula Airport (MRY)

Cheap Flights from Helena to Monterey (HLN-MRY)

Prices were available within the past 7 days and start at $265 for one-way flights and $362 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Nov 22 - Tue, Dec 2
HLN
Helena
MRY
Monterey
$362 Roundtrip, found 23 hours ago
$362
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Helena to Monterey, returning Tue, Dec 2, priced at $362 found 23 hours ago
Hawaiian Airlines
Sat, Nov 22 - Wed, Dec 3
HLN
Helena
MRY
Monterey
$372 Roundtrip, found 23 hours ago
$372
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Helena to Monterey, returning Wed, Dec 3, priced at $372 found 23 hours ago
Hawaiian Airlines
Sun, Nov 23 - Tue, Dec 2
HLN
Helena
MRY
Monterey
$383 Roundtrip, found 23 hours ago
$383
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sun, Nov 23 from Helena to Monterey, returning Tue, Dec 2, priced at $383 found 23 hours ago
Hawaiian Airlines
Sun, Nov 23 - Wed, Dec 3
HLN
Helena
MRY
Monterey
$393 Roundtrip, found 23 hours ago
$393
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sun, Nov 23 from Helena to Monterey, returning Wed, Dec 3, priced at $393 found 23 hours ago
Hawaiian Airlines
Sat, Nov 22 - Thu, Nov 27
HLN
Helena
MRY
Monterey
$398 Roundtrip, found 23 hours ago
$398
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Helena to Monterey, returning Thu, Nov 27, priced at $398 found 23 hours ago
Hawaiian Airlines
Sun, Nov 23 - Thu, Nov 27
HLN
Helena
MRY
Monterey
$419 Roundtrip, found 23 hours ago
$419
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sun, Nov 23 from Helena to Monterey, returning Thu, Nov 27, priced at $419 found 23 hours ago
Hawaiian Airlines
Sat, Nov 22 - Mon, Dec 1
HLN
Helena
MRY
Monterey
$427 Roundtrip, found 23 hours ago
$427
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Helena to Monterey, returning Mon, Dec 1, priced at $427 found 23 hours ago
Hawaiian Airlines
Mon, Nov 24 - Tue, Dec 2
HLN
Helena
MRY
Monterey
$447 Roundtrip, found 23 hours ago
$447
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Mon, Nov 24 from Helena to Monterey, returning Tue, Dec 2, priced at $447 found 23 hours ago
United
Thu, Nov 27 - Wed, Dec 3
HLN
Helena
MRY
Monterey
$486 Roundtrip, found 23 hours ago
$486
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Nov 27 from Helena to Monterey, returning Wed, Dec 3, priced at $486 found 23 hours ago
Alaska Airlines
Tue, Aug 19 - Tue, Aug 26
HLN
Helena
MRY
Monterey
$595 Roundtrip, found 6 days ago
$595
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Aug 19 from Helena to Monterey, returning Tue, Aug 26, priced at $595 found 6 days ago
Flights from Helena (HLN) to Monterey (MRY)
Origin airport
Helena Regional
Destination airport
Monterey Peninsula
Airlines serving
Hawaiian Airlines, United
Roundtrip price
$362
Distance
857 mi

Helena to Monterey Flights

The cheapest times to fly from Helena to Monterey

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 Helena to Monterey are during the month of November. You can find some of the cheapest flights from Helena to Monterey with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helena to Monterey

Sunday is one of the best days to book for cheap flights from Helena to Monterey: 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 Helena to Monterey

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 Helena to Monterey in 2025. You can also book with separate airlines for your outbound and return journeys, from $265 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 Helena to Monterey 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 Helena to Monterey 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.

 

Frequently asked questions

How much does a flight from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY) cost?
Grab a cheap one-way flight from $265 or cheap return flight from $362 from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY) 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 Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY)?
The cheapest month to fly from HLN to MRY is November, when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY)?
To find the cheapest airline flying from HLN to MRY, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY)?
Nonstop flights from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HLN to MRY?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY)?
To avoid potential delays on the Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY) last-minute?
Holding off until just before your departure to book your flight from HLN to MRY generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for the best chance of landing a bargain.
Is it cheaper to book a HLN to MRY flight and hotel package?
You'll typically save money by booking a HLN to MRY flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Monterey Peninsula Airport (MRY)?
If you booked your HLN to MRY flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.