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Helena

$146+ Cheap flights from Oregon to Helena (HLN)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HLN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Oregon to Helena

Keep the following information in mind while searching for Oregon to Helena flight deals. Data was last updated September 16, 2025.

Round-trip from

$319
(Alaska Airlines)

One-way from

$146
(Delta)

Popular in

August

Cheapest in

January

Average price

$546
From Oregon to Helena
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One-way flight from Oregon to Helena
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Highest demand for flights based on searches. 19% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oregon to Helena

Cheapest flights from Oregon to Helena
Explore the most affordable flight options available from Oregon to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/66:59 pmBOI - HLN
2 stops22h 42mAlaska Airlines
Wed 10/86:18 pmHLN - BOI
1 stop5h 38mAlaska Airlines
Deal found 9/14$319
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/1710:40 amPDX - HLN
1 stop6h 11mAlaska Airlines
Sun 1/46:32 pmHLN - PDX
1 stop6h 40mAlaska Airlines
Deal found 9/14$333
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 11/137:00 amPDX - HLN
2 stops9h 36mAlaska Airlines
Mon 11/176:13 pmHLN - PDX
2 stops27h 37mAlaska Airlines
Deal found 9/13$349
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/1010:00 pmPDX - HLN
1 stop18h 41mAlaska Airlines
Sun 10/196:18 pmHLN - PDX
1 stop13h 02mAlaska Airlines
Deal found 9/15$352
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 11/1410:28 pmPDX - HLN
1 stop18h 08mAlaska Airlines
Sun 11/166:13 pmHLN - PDX
1 stop17h 19mAlaska Airlines
Deal found 9/14$373
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 12/110:47 pmBOI - HLN
2 stops19h 04mAlaska Airlines
Wed 12/36:28 pmHLN - BOI
1 stop5h 22mAlaska Airlines
Deal found 9/15$376
This Delta deal was found by Cheapflights users on 9/15. 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 10/105:00 pmPDX - HLN
1 stop4h 16mDelta
Sun 10/195:45 amHLN - PDX
1 stop4h 18mDelta
Deal found 9/15$377
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 12/52:30 pmPDX - HLN
1 stop26h 21mAlaska Airlines
Sun 12/76:28 pmHLN - PDX
2 stops36h 52mAlaska Airlines
Deal found 9/14$391
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 12/185:10 amPDX - HLN
1 stop11h 45mAlaska Airlines
Sun 1/46:32 pmHLN - PDX
1 stop12h 46mAlaska Airlines
Deal found 9/14$424
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/85:00 pmPDX - HLN
1 stop4h 16mDelta
Sun 10/125:45 amHLN - PDX
1 stop4h 18mDelta
Deal found 9/14$427
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/12:09 pmYKM - HLN
1 stop24h 12mAlaska Airlines
Sun 10/56:18 pmHLN - YKM
1 stop6h 43mAlaska Airlines
Deal found 9/16$562
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 9/296:01 pmBOI - HLN
2 stops21h 20mAlaska Airlines
Fri 10/34:02 pmHLN - BOI
2 stops26h 27mAlaska Airlines
Deal found 9/13$576

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Helena 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 September 16, 2025.
Use the filters below to find and compare flights from Oregon to Helena that are best for you.

Fly from

Oregon

Fly to

Helena

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 10/6

6:59 pm-5:41 pm

2 stops22h 42m

Helena

Wed 10/8

6:18 pm-11:56 pm

1 stop5h 38m

$319

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 12/1

9:42 pm-5:51 pm

1 stop20h 09m

Helena

Wed 12/3

6:28 pm-11:50 pm

1 stop5h 22m

$332

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 12/17

10:40 am-5:51 pm

1 stop6h 11m

Helena

Sun 1/4

6:32 pm-12:12 am

1 stop6h 40m

$333

PortlandHelena

PDX - HLN

PDXHLN

Portland

Thu 11/13

7:00 am-5:36 pm

2 stops9h 36m

Helena

Mon 11/17

6:13 pm-8:50 pm

2 stops27h 37m

$349

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 10/10

10:00 pm-5:41 pm

1 stop18h 41m

Helena

Sun 10/19

6:18 pm-6:20 am

1 stop13h 02m

$352

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 12/5

5:49 pm-5:51 pm

1 stop23h 02m

Helena

Sun 12/7

6:28 pm-10:50 am

1 stop17h 22m

$352

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 12/17

7:25 am-5:51 pm

1 stop9h 26m

Helena

Fri 1/2

6:32 pm-10:53 am

1 stop17h 21m

$363

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 11/14

10:28 pm-5:36 pm

1 stop18h 08m

Helena

Sun 11/16

6:13 pm-10:32 am

1 stop17h 19m

$373

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 12/17

6:00 am-5:51 pm

1 stop10h 51m

Helena

Sat 1/3

6:32 pm-6:18 am

1 stop12h 46m

$373

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 10/8

5:00 pm-10:16 pm

1 stop4h 16m

Helena

Sun 10/12

5:45 am-9:03 am

1 stop4h 18m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
1
2

Best time to book a flight from Oregon to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Oregon 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 Oregon to Helena

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

Currently, February is the cheapest month in which you can book a flight from Oregon to Helena (average of $353). Flying from Oregon to Helena in May is currently the most expensive (average of $517). 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.

What is the cheapest time of day to fly from OR to HLN?

Find hourly flight availability from Oregon to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Oregon to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Oregon to Helena?

Related info for your journey

Find useful and relevant information for your journey from Oregon to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from Oregon?

    If you book a flight to Helena from Oregon, you will be flying to Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena.

  • How long is the flight from Oregon to Helena?

    There are many flights that can get you from Oregon to Helena in 22h 42m. Fly via Alaska Airlines to get the fastest option. The distance between Oregon and Helena is about 294 mi.

  • What are the cheapest airlines to fly from Oregon to Helena one-way?

    $146 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $175 and $296, respectively.

  • What are the most popular routes from Oregon to Helena?

    Most travelers choose Portland - Helena, Boise Air Term. Gowen Fld - Helena or Bend/Redmond - Helena when deciding on the best route from Oregon to Helena.

  • Can I find deals for flights from Oregon to Helena that include hotel bookings?

    Yes. In addition to deals on Oregon to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Helena.

  • Can I find deals for business class flights from Oregon to Helena?

    Yes. Cheapflights offers flight deals from Oregon to Helena 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 Oregon to Helena?

    Currently, February is the cheapest month in which you can book a flight from Oregon to Helena (average of $353). Flying from Oregon to Helena in May is currently the most expensive (average of $517). 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

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Top 2 airlines flying from Oregon to Helena

Discover the top 2 airlines that operate flights from Oregon to Helena. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$287Average$422FlexibilityNo cancel feeOn-time75%
DeltaCheapest$288Average$434FlexibilityNo cancel feeOn-timeN/A

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