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$675+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PWM
May 27 — Jun 31
Wed 5/27
Wed 6/3
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 April 27, 2026.

This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/292:20 pm
HLN
-
PWM
2 stops26h 05m
United Airlines
Mon 6/18:16 pm
PWM
-
HLN
2 stops19h 17m
United Airlines
Deal found 4/24$675
This Delta deal was found by Cheapflights users on 4/24. 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.
Thu 5/281:03 pm
HLN
-
PWM
2 stops22h 55m
Delta
Mon 6/112:50 pm
PWM
-
HLN
2 stops25h 33m
Delta
Deal found 4/24$760
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/96:15 am
HLN
-
PWM
1 stop7h 26m
United Airlines
Wed 5/133:23 pm
PWM
-
HLN
1 stop8h 23m
United Airlines
Deal found 4/24$887
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 5/286:15 am
HLN
-
PWM
1 stop7h 34m
United Airlines
Mon 6/13:31 pm
PWM
-
HLN
1 stop7h 49m
United Airlines
Deal found 4/24$1,113
This United Airlines deal was found by Cheapflights users on 4/25. 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 7/286:15 am
HLN
-
PWM
1 stop7h 34m
United Airlines
Sun 8/26:00 am
PWM
-
HLN
2 stops9h 33m
United Airlines
Deal found 4/25$1,457
This United Airlines deal was found by Cheapflights users on 4/24. 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 7/252:20 pm
HLN
-
PWM
1 stop23h 29m
United Airlines
Sat 8/83:32 pm
PWM
-
HLN
1 stop7h 48m
United Airlines
Deal found 4/24$1,933

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 April 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$675
(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
Search Deals

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 April 27, 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

Fri 5/29

2:20 pm-6:25 pm

2 stops26h 05m

Portland

Mon 6/1

8:16 pm-1:33 pm

2 stops19h 17m

$675

HelenaPortland

HLN - PWM

HLNPWM

Helena

Thu 5/28

1:03 pm-1:58 pm

2 stops22h 55m

Portland

Mon 6/1

12:50 pm-12:23 pm

2 stops25h 33m

$760
Quickest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Thu 5/28

6:15 am-3:49 pm

1 stop7h 34m

Portland

Mon 6/1

3:31 pm-9:20 pm

1 stop7h 49m

$1,113

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 7/28

6:15 am-3:49 pm

1 stop7h 34m

Portland

Sun 8/2

6:00 am-1:33 pm

2 stops9h 33m

$1,457

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 7/25

2:20 pm-3:49 pm

1 stop23h 29m

Portland

Sat 8/8

3:32 pm-9:20 pm

1 stop7h 48m

$1,933

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 7/25

7:00 am-11:14 pm

2 stops14h 14m

Portland

Sat 8/8

12:42 pm-10:40 pm

2 stops11h 58m

$5,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

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.

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 April 27, 2026.
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
9,665 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,665 reviews
United Airlines
7.4
Good
9,665 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 22h 55m. United Airlines provides one of the quickest options available for as low as $760. 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.

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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