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$379+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PWM
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
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 June 13, 2026.

This United Airlines deal was found by Cheapflights users on 6/12. 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 10/206:25 am
HLN
-
PWM
2 stops15h 03m
United Airlines
Tue 10/275:30 am
PWM
-
HLN
2 stops9h 57m
United Airlines
Deal found 6/12$379
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/147:00 am
HLN
-
PWM
1 stop6h 49m
United Airlines
Wed 11/183:35 pm
PWM
-
HLN
1 stop7h 24m
United Airlines
Deal found 6/11$479
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/277:00 am
HLN
-
PWM
2 stops13h 57m
United Airlines
Sat 10/313:35 pm
PWM
-
HLN
1 stop7h 24m
United Airlines
Deal found 6/10$484
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 10/235:45 am
HLN
-
PWM
2 stops14h 38m
Delta
Sun 10/251:35 pm
PWM
-
HLN
2 stops11h 06m
Delta
Deal found 6/10$969

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 June 13, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$379
(United 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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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 June 13, 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

Tue 10/20

6:25 am-11:28 pm

2 stops15h 03m

Portland

Tue 10/27

5:30 am-1:27 pm

2 stops9h 57m

$379
Quickest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 11/14

7:00 am-3:49 pm

1 stop6h 49m

Portland

Wed 11/18

11:17 am-8:59 pm

2 stops11h 42m

$484

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 10/27

7:00 am-10:57 pm

2 stops13h 57m

Portland

Sat 10/31

3:35 pm-8:59 pm

1 stop7h 24m

$484
Cheapest one-way

HelenaPortland

HLN - PWM

HLNPWM

Helena

Fri 7/31

2:20 pm-11:30 pm

2 stops31h 10m

$443

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 8/1

2:20 pm-11:30 pm

2 stops31h 10m

$451

HelenaPortland

HLN - PWM

HLNPWM

Helena

Mon 7/27

12:55 pm-2:19 pm

2 stops23h 24m

$498
Quickest one-way

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 7/28

6:15 am-3:49 pm

1 stop7h 34m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

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.

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 15h 03m. United Airlines provides one of the quickest options available for as low as $379. 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.

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
Lewiston
Conway

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