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$419+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PWM
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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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 octubre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/266:40 amHLN - PWM
1 stop6h 58mUnited Airlines
mié. 12/36:00 amPWM - HLN
3 stops17h 22mUnited Airlines
Deal found 10/28$419
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/286:40 amHLN - PWM
1 stop7h 08mUnited Airlines
mié. 12/36:00 amPWM - HLN
3 stops17h 22mUnited Airlines
Deal found 10/28$509
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mar. 10/286:40 amHLN - PWM
1 stop7h 08mUnited Airlines
sáb. 11/13:20 pmPWM - HLN
1 stop8h 02mUnited Airlines
Deal found 10/27$649
This Delta deal was found by Cheapflights users on 10/28. 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.
mié. 11/261:06 pmHLN - PWM
2 stops22h 44mDelta
mar. 12/22:34 pmPWM - HLN
2 stops23h 51mDelta
Deal found 10/28$863
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/266:40 amHLN - PWM
1 stop6h 58mUnited Airlines
lun. 12/13:20 pmPWM - HLN
1 stop8h 02mUnited Airlines
Deal found 10/28$891
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/286:40 amHLN - PWM
1 stop7h 08mUnited Airlines
lun. 12/13:20 pmPWM - HLN
1 stop8h 02mUnited Airlines
Deal found 10/28$981

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 octubre 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$419
(United Airlines)
Provider with most accurate pricing for Helena-Portland flight deals.
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Provider most trusted by Cheapflights users for Helena-Portland flights.
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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 octubre 29, 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

mié. 11/26

6:40 am-3:38 pm

1 stop6h 58m

Portland

mié. 12/3

6:00 am-9:22 pm

3 stops17h 22m

$419

HelenaPortland

HLN - PWM

HLNPWM

Helena

vie. 11/28

6:40 am-3:48 pm

1 stop7h 08m

Portland

mié. 12/3

6:00 am-9:22 pm

3 stops17h 22m

$509

HelenaPortland

HLN - PWM

HLNPWM

Helena

mié. 11/26

1:06 pm-1:50 pm

2 stops22h 44m

Portland

mar. 12/2

2:34 pm-12:25 pm

2 stops23h 51m

$863

HelenaPortland

HLN - PWM

HLNPWM

Helena

mié. 11/26

6:40 am-3:38 pm

1 stop6h 58m

Portland

lun. 12/1

3:20 pm-9:22 pm

1 stop8h 02m

$891

HelenaPortland

HLN - PWM

HLNPWM

Helena

jue. 11/27

6:40 am-3:48 pm

1 stop7h 08m

Portland

mar. 12/2

4:25 pm-1:47 pm

2 stops23h 22m

$1,047

HelenaPortland

HLN - PWM

HLNPWM

Helena

jue. 11/27

6:40 am-3:48 pm

1 stop7h 08m

Portland

lun. 12/1

3:20 pm-9:22 pm

1 stop8h 02m

$1,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

  • 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 90-95% 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, March is the cheapest month in which you can book a flight from Helena to Portland, Maine (average of $150). Flying from Helena to Portland, Maine in November is currently the most expensive (average of $283). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated octubre 29, 2025.
Read reviews from past customers who have flown United Airlines from Helena to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 6h 58m. United Airlines provides one of the quickest options available for as low as $419. The distance between Helena and Portland, Maine is about 2017 mi.

  • What is the cheapest airline to fly from Helena to Portland, Maine round-trip?

    United Airlines, at $508, was found to be the cheapest airline from Helena to Portland, Maine..

  • 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, March is the cheapest month in which you can book a flight from Helena to Portland, Maine (average of $150). Flying from Helena to Portland, Maine in November is currently the most expensive (average of $283). 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
Conway

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Top airline flying from Helena to Portland

Discover the top airline that operate flights from Helena to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$508Average$1,016FlexibilityNo cancel feeOn-time69%

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