$128 Cheap Flights from Pasco (PSC) to Helena (HLN)

View $128 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from Pasco to Helena (PSC-HLN)

Prices were available within the past 7 days and start at $128 for one-way flights and $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 22 - Wed, Oct 29
PSC
Pasco
HLN
Helena
$186 Roundtrip, found 2 days ago
$186
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Pasco to Helena, returning Wed, Oct 29, priced at $186 found 2 days ago
Delta
Sat, Nov 15 - Sat, Dec 6
PSC
Pasco
HLN
Helena
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 15 from Pasco to Helena, returning Sat, Dec 6, priced at $198 found 2 days ago
Alaska Airlines
Wed, Oct 22 - Wed, Oct 29
PSC
Pasco
HLN
Helena
$209 Roundtrip, found 2 days ago
$209
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Pasco to Helena, returning Wed, Oct 29, priced at $209 found 2 days ago
Alaska Airlines
Wed, Oct 22 - Wed, Oct 29
PSC
Pasco
HLN
Helena
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Pasco to Helena, returning Wed, Oct 29, priced at $212 found 2 days ago
Delta
Wed, Dec 24 - Wed, Jan 7
PSC
Pasco
HLN
Helena
$223 Roundtrip, found 2 days ago
$223
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 24 from Pasco to Helena, returning Wed, Jan 7, priced at $223 found 2 days ago
Alaska Airlines
Wed, Oct 22 - Wed, Oct 29
PSC
Pasco
HLN
Helena
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Pasco to Helena, returning Wed, Oct 29, priced at $231 found 2 days ago
Alaska Airlines
Wed, Oct 22 - Wed, Oct 29
PSC
Pasco
HLN
Helena
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Pasco to Helena, returning Wed, Oct 29, priced at $234 found 2 days ago
Hawaiian Airlines
Wed, Dec 31 - Mon, Jan 12
PSC
Pasco
HLN
Helena
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 31 from Pasco to Helena, returning Mon, Jan 12, priced at $237 found 2 days ago
Hawaiian Airlines
Sat, Dec 6 - Sat, Dec 13
PSC
Pasco
HLN
Helena
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Pasco to Helena, returning Sat, Dec 13, priced at $239 found 2 days ago
United
Wed, Oct 22 - Wed, Oct 29
PSC
Pasco
HLN
Helena
$331 Roundtrip, found 2 days ago
$331
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 22 from Pasco to Helena, returning Wed, Oct 29, priced at $331 found 2 days ago

Alternative airports near Helena

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Helena Regional HLN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $380
HLN
Helena Regional
CheapestClosest
Average driving time to city center7 min
Flights from $380

Frequently asked questions

How much does a flight from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN) cost?
Snag a cheap one-way flight from $128 or cheap return flight from $186 from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN)?
Flying in October may help you find better deals, as it's the cheapest month for flights between PSC and HLN. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from PSC to HLN. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN)?
You'll need to book a flight with a layover when traveling from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PSC to HLN?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year 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 Tri-Cities Airport (PSC) to Helena Regional Airport (HLN)?
To land at Helena Regional Airport (HLN) on schedule, choose a flight that takes off from Tri-Cities Airport (PSC) before 3 PM. The likelihood 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 Tri-Cities Airport (PSC) to Helena Regional Airport (HLN) last-minute?
Holding off until right before your break to book a ticket from PSC to HLN often results in higher prices. While it's possible to find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a PSC to HLN flight and hotel package?
Compared with arranging hotels and flights separately, booking a PSC to HLN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to Helena Regional Airport (HLN)?
If you booked your PSC to HLN 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 ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Tri-Cities
Destination airport
Helena Regional
Airlines serving
Alaska Airlines
Roundtrip price
$186
Distance
340 mi

Book with confidence

Book with confidence

Pasco to Helena Flights

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

 

The best time to book a flight from Pasco to Helena

Sunday is one of the best days to book for cheap flights from Pasco 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 Pasco 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 Pasco to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $128 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 Pasco 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 Pasco 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.

 

Pasco to Helena Flights

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