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$478+ Cheap flights from Helena to Portland, ME (HLN - PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PWM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Helena to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$533
(United Airlines)

One-way from

$478
(United Airlines)
From Helena to Portland
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One-way flight from Helena to Portland
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Find flight deals from Helena to Portland

Cheapest flights from Helena to Portland
Explore the most affordable flight options available from Helena to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:18 pmHLN - PWM
2 stops27h 55mUnited Airlines
Tue 10/76:14 amPWM - HLN
2 stops9h 55mUnited Airlines
Deal found 9/10$533

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Helena to Portland that are best for you.

Fly from

Helena

Fly to

Portland

Route

Depart

Return

Price

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 9/30

5:18 pm-11:13 pm

2 stops27h 55m

Portland

Tue 10/7

6:14 am-2:09 pm

2 stops9h 55m

$533

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 3/10

7:00 am-6:13 pm

2 stops9h 13m

Portland

Wed 3/11

11:17 am-8:59 pm

2 stops11h 42m

$795

HelenaPortland

HLN - PWM

HLNPWM

Helena

Fri 10/17

5:18 pm-9:55 am

2 stops14h 37m

$478

HelenaPortland

HLN - PWM

HLNPWM

Helena

Thu 10/16

5:18 pm-11:59 pm

2 stops28h 41m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Helena to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Portland

What is the cheapest month to book a flight from Helena to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Helena to Portland, Maine (average of $296). Flying from Helena to Portland, Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Helena to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helena to Portland, Maine?

    A quick flight from Helena to Portland, Maine can take about 27h 55m. United Airlines provides one of the quickest options available for as low as $533. The distance between Helena and Portland, Maine is about 2017 mi.

  • Can I find deals for flights from Helena to Portland that include hotel bookings?

    Yes. In addition to deals on Helena to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Portland.

  • Can I find deals for business class flights from Helena to Portland?

    Yes. Cheapflights offers flight deals from Helena to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Helena to Portland, Maine (average of $296). Flying from Helena to Portland, Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway
Lewiston

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