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$274+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PWM
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 10/247:00 am
HLN
-
PWM
2 stops14h 30m
United Airlines
Tue 10/275:30 am
PWM
-
HLN
2 stops9h 57m
United Airlines
Deal found 3/10$510
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 10/247:00 am
HLN
-
PWM
2 stops14h 30m
United Airlines
Wed 10/283:35 pm
PWM
-
HLN
1 stop23h 52m
United Airlines
Deal found 3/6$593
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 9/56:15 am
HLN
-
PWM
2 stops13h 46m
United Airlines
Sat 9/123:31 pm
PWM
-
HLN
1 stop7h 45m
United Airlines
Deal found 3/10$806
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:45 am
HLN
-
PWM
2 stops14h 48m
Delta
Sat 9/1212:50 pm
PWM
-
HLN
2 stops11h 44m
Delta
Deal found 3/10$907

Find 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 March 11, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$806
(United Airlines)

One-way from

$274
(Alaska Airlines)
Provider with most accurate pricing for Helena-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Portland flights.
Search Deals
From Helena to Portland
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One-way flight from Helena to Portland
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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 March 11, 2026.
Use the filters below to find and compare flights from Helena to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 9/5

5:45 am-10:33 pm

2 stops14h 48m

Portland

Sat 9/12

12:50 pm-10:34 pm

2 stops11h 44m

$907
Quickest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 9/5

6:15 am-3:43 pm

1 stop7h 28m

Portland

Sat 9/12

3:31 pm-9:16 pm

1 stop7h 45m

$1,338

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 7/25

5:45 am-6:01 pm

2 stops10h 16m

Portland

Sat 8/8

1:35 pm-10:34 pm

2 stops10h 59m

$2,239

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 7/25

6:15 am-3:52 pm

1 stop7h 37m

Portland

Sat 8/8

3:32 pm-9:20 pm

1 stop7h 48m

$2,274
Cheapest one-way

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 5/5

6:22 pm-10:23 am

2 stops14h 01m

$274
Quickest one-way

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 5/5

6:15 am-3:41 pm

1 stop7h 26m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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.
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, December is the cheapest month in which you can book a flight from Helena to Portland, Maine (average of $179). Flying from Helena to Portland, Maine in January is currently the most expensive (average of $323). 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 7h 28m. Delta provides one of the quickest options available for as low as $1,338. The distance between Helena and Portland, Maine is about 2017 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, December is the cheapest month in which you can book a flight from Helena to Portland, Maine (average of $179). Flying from Helena to Portland, Maine in January is currently the most expensive (average of $323). 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
North Conway
Brunswick
Auburn
Lewiston
Conway

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