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

A quick flight from Helena to Portland, Maine can take about 7h 34m. United Airlines provides one of the quickest options available for as low as $489. The distance between Helena and Portland, Maine is about 2017 mi.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from HLN to PWM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Helena to Portland, Maine as you normally would.

Most accurate provider : When it comes to deals on Helena-Portland, Maine flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Helena-Portland, Maine flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Helena-Portland, Maine flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Helena-Portland, Maine flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$489+ Cheap Flights from Helena to Portland, ME

Q: E

Most trusted provider : When it comes to deals on Helena-Portland, Maine flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: 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.

Q: 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.

Q: 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.

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Cheap flight deals from Helena to Portland

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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 13, 2026.

Sat 11/146:28 am -

1 stop7h 34m

Tue 11/173:23 pm -

1 stop8h 08m

Deal found 9/10

$489

Find flight deals from Helena to Portland

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$489 (United Airlines)

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From Helena to Portland

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Price

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HelenaPortland

HLN Helena - PWM Portland

HLNPWM

Helena

Sat 11/14

6:28 am-4:02 pm

1 stop7h 34m

Portland

Tue 11/17

9:46 am-9:31 pm

2 stops13h 45m

$494

HelenaPortland

HLN Helena - PWM Portland

HLNPWM

Helena

Sat 1/30

7:00 am-9:48 pm

2 stops12h 48m

Portland

Tue 2/2

4:45 pm-8:59 pm

3 stops30h 14m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Sorted by cheapest first

Most accurate provider: When it comes to deals on Helena-Portland, Maine flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Helena-Portland, Maine flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Helena-Portland, Maine flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Helena-Portland, Maine flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

HLN-PWM

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.

Related info for your journey

How long is the flight from Helena to Portland, Maine?
A quick flight from Helena to Portland, Maine can take about 7h 34m. United Airlines provides one of the quickest options available for as low as $489. 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.

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$489+ Cheap flights from Helena to Portland, ME (HLN - PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to Portland with Cheapflights

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Cheap flight deals from Helena to Portland

Cheapest flights from Helena to PortlandExplore 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 13, 2026.

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 13, 2026.

Best flights from Helena to PortlandDiscover carefully curated flight deals from Helena to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.

Discover carefully curated flight deals from Helena to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.

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Related info for your journey

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

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

How can I find direct flights from Helena to Portland?

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

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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 13, 2026.

Best flights from Helena to Portland
Discover carefully curated flight deals from Helena to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.