Cheap Flights from Portland (PDX) to Helena (HLN)

Popular airlines from Portland International Airport (PDX) to Helena, MT (HLN-Helena Regional)

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Find the cheapest month to fly from Portland (PDX) to Helena (HLN)

January is typically the cheapest month to fly

From £151 - £349 per traveller.

Graph displaying average flight prices per month

Flight from Portland to Helena route information
Origin airport
Portland Intl.
Destination airport
Helena Regional
Distance
819 km

Compare flights from Portland to Helena easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Helena. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Helena Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to Helena Regional.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. (PDX) to Helena Regional (HLN)

The easiest way to view the best deals on flights from Portland to Helena today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to Helena Regional start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and Helena
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to Helena flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to Helena Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from PDX to Helena Regional Airport?
The lowest price advertised for a round-trip journey between PDX and HLN is . But you better act fast. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to HLN?
Most flights can be cancelled online, but whether or not you incur a fee all comes down to your airline. If you do need to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Portland Intl. Airport (PDX) to Helena Regional Airport (HLN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Portland Airport to Helena Regional Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Portland Airport to HLN?
With a flight distance of 830 kilometres, it's only a short hop from Portland Airport to HLN. It might be a quick flight, but it's still worth bringing along a good book to read.
Which airlines fly direct from PDX Airport to Helena Regional Airport?
You won't find any airlines operating directly between Portland Intl. Airport (PDX) and HLN, so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are Portland Airport to Helena Regional Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from Portland Intl. Airport (PDX) to HLN are available up to 12 months prior to departure on Expedia. And although you may nab a great last-minute deal, it's never a sure thing. Also, booking your flights ahead of time means you'll have more options — and you can avoid landing the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

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