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$159+ Cheap flights from Helena to Portland (HLN - PDX)

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PDX
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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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 (PDX). 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 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Delta)

One-way from

$159
(Delta)

Popular in

May

Cheapest in

January

Average price

$403
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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One-way flight from Helena to Portland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 8, 2025.

This Delta deal was found by Cheapflights users on 3/7. 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 4/195:45 amHLN - PDX
1 stop4h 14mDelta
Wed 4/235:26 pmPDX - HLN
1 stop4h 32mDelta
Deal found 3/7$284
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/124:19 pmHLN - PDX
1 stop5h 32mAlaska Airlines
Mon 4/149:47 amPDX - HLN
1 stop4h 52mAlaska Airlines
Deal found 3/7$316
This Hawaiian Airlines deal was found by Cheapflights users on 3/7. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/274:19 pmHLN - PDX
1 stop5h 32mHawaiian Airlines
Tue 4/110:33 amPDX - HLN
1 stop4h 06mHawaiian Airlines
Deal found 3/7$342

Find flights from Helena to Portland within your budget

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 8, 2025.

Fly from

Helena

Fly to

Portland

Route

Depart

Return

Price

HelenaPortland

HLN - PDX

HLNPDX

Helena

Sat 4/19

5:45 am-8:59 am

1 stop4h 14m

Portland

Wed 4/23

5:26 pm-10:58 pm

1 stop4h 32m

$284

HelenaPortland

HLN - PDX

HLNPDX

Helena

Sat 4/12

4:19 pm-8:51 pm

1 stop5h 32m

Portland

Mon 4/14

9:47 am-3:39 pm

1 stop4h 52m

$316

HelenaPortland

HLN - PDX

HLNPDX

Helena

Thu 3/27

4:19 pm-8:51 pm

1 stop5h 32m

Portland

Tue 4/1

10:33 am-3:39 pm

1 stop4h 06m

$342

HelenaPortland

HLN - PDX

HLNPDX

Helena

Sat 4/12

5:45 am-9:08 am

1 stop4h 23m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Compare providers for flights from Helena to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Portland in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Portland flights, Cheapflights users trust FlightHub the most. FlightHub 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 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.

Travel insights for flights from Helena to Portland

Get recent, data-driven insights about flights from Helena to Portland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Helena to Portland?

Currently, November is the cheapest month in which you can book a flight from Helena to Portland (average of $277). Flying from Helena to Portland in March is currently the most expensive (average of $376). 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 March 8, 2025.
Alaska Airlines
8.0
Very good
9,714 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,714 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,024 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,318 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines flying from Helena to Portland round-trip?

    According to our current data, Delta ($284), Alaska Airlines ($316), and Hawaiian Airlines ($342) offers the cheapest pricing from Helena to Portland. These flights start at 25% lower than the current average price 3 months from now.

  • 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?

    Currently, November is the cheapest month in which you can book a flight from Helena to Portland (average of $277). Flying from Helena to Portland in March is currently the most expensive (average of $376). 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 Helena?

Book flights to Helena if you plan to visit one of these locations
Lincoln City
Beaverton
Seaside
McMinnville
Lake Oswego
Hillsboro
Vancouver
Gresham
Long Beach
Cannon Beach
Tigard
Hood River
Astoria
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview
Wilsonville

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Top 2 airlines flying from Helena to Portland

Discover the top 2 airlines 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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$237Average$367FlexibilityNo cancel feeOn-time75%
DeltaCheapest$287Average$453FlexibilityNo cancel feeOn-timeN/A
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