HLN - PDX

$221 Find Cheap Flights from Helena to Portland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Helena to Portland departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Portland

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to Portland, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to Portland, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$385
Typical prices: $328-$393
Alaska Airlines
Thu 12/11Tue 12/16
HLN - PDX • 1 stop
Cheapest one-way
$221
Alaska Airlines
Fri 11/28
HLN - PDX • 1 stop
Top airlines
Alaska Airlines
Cheapest • from $385 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
July
Cheapest • 33% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Portland!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Helena to Portland (HLN-PDX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Helena to Portland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to Portland

Thu, Dec 11 - Tue, Dec 16
Alaska Airlines Logo
6:28 pm - 9:32 amHLN-PDX
16h 04m1 stop
Alaska Airlines Logo
10:40 am - 5:51 pmPDX-HLN
6h 11m1 stop
$385Alaska Airlines
Find Deal
Wed, Apr 29 - Sun, May 3
Delta Logo
12:50 pm - 6:11 pmHLN-PDX
6h 21m1 stop
Delta Logo
6:00 am - 12:23 pmPDX-HLN
5h 23m1 stop
$397Delta
Find Deal
Thu, Dec 11 - Fri, Dec 12
Delta Logo
1:06 pm - 6:14 pmHLN-PDX
6h 08m1 stop
Delta Logo
5:30 am - 12:25 pmPDX-HLN
5h 55m1 stop
$417Delta
Find Deal
Wed, Apr 29 - Sun, May 3
Delta Logo
12:50 pm - 10:36 amHLN-PDX
22h 46m2 stops
Delta Logo
6:00 am - 12:23 pmPDX-HLN
5h 23m1 stop
$456Delta
Find Deal
Tue, Nov 18 - Tue, Dec 2
Alaska Airlines Logo
6:13 pm - 10:40 pmHLN-PDX
5h 27m1 stop
Alaska Airlines Logo
5:49 pm - 5:51 pmPDX-HLN
23h 02m1 stop
$460Alaska Airlines
Find Deal
Tue, Nov 18 - Tue, Dec 2
Alaska Airlines Logo
6:13 pm - 10:40 pmHLN-PDX
5h 27m1 stop
Alaska Airlines Logo
2:36 pm - 5:51 pmPDX-HLN
26h 15m2 stops
$461Alaska Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16
Alaska Airlines Logo
6:28 pm - 6:13 amHLN-PDX
36h 45m2 stops
Alaska Airlines Logo
10:40 am - 5:51 pmPDX-HLN
6h 11m1 stop
$462Alaska Airlines
Find Deal
Thu, Dec 11 - Fri, Dec 12
Alaska Airlines Logo
6:28 pm - 12:19 amHLN-PDX
6h 51m1 stop
Alaska Airlines Logo
6:37 pm - 5:51 pmPDX-HLN
22h 14m2 stops
$511Alaska Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20
United Airlines Logo
6:40 am - 6:36 pmHLN-PDX
12h 56m2 stops
United Airlines Logo
6:00 am - 9:22 pmPDX-HLN
14h 22m3 stops
$1,092United Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20
United Airlines Logo
2:22 pm - 12:26 amHLN-PDX
11h 04m3 stops
United Airlines Logo
6:00 am - 9:22 pmPDX-HLN
14h 22m3 stops
$1,190United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Helena to Portland flights

Get data-powered insights and trends into flights from Helena to Portland to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Helena to Portland?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Helena to Portland departing in December.

What’s the cheapest day of the week to fly from Helena to Portland?

The average price of all round-trip flights from Helena to Portland clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Portland on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Helena to Portland. For your return ticket, we recommend flying on a Saturday and avoiding Mondays for the best deals.

What is the cheapest month to fly from Helena to Portland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Helena to Portland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Helena to Portland is July, where tickets cost $238 (return) on average. On the other hand, the most expensive months are May and November, where the average cost of round-trip tickets is $486 and $473 respectively.

Good to know

Low seasonApril
Cheapest flight$221
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly with an average 11% increase in price.
Flight from Helena to Portland

When to book flights from Helena to Portland

Are your dates flexible? Find out the best times to travel from Helena to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Helena to Portland

  • What is the cheapest flight from Helena to Portland?

    In the last 3 days, the lowest price for a flight from Helena to Portland was $221 for a one-way ticket and $385 for a round-trip.

  • Do I need a passport to fly between Helena and Portland?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Helena to Portland?

    When flying out of Helena you will be using Helena. You will be landing at Portland, also known as Portland.

  • Which aircraft models fly most regularly from Helena to Portland?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Helena to Portland?

    oneworld, and SkyTeam are the airline alliances operating flights between Helena and Portland, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Helena to Portland, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Helena to Portland are Alaska Airlines and Delta. With an average price for the route of $337 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $441 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Helena to Portland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to Portland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helena to Portland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Helena is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Helena to Portland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Helena with another airline. Booking your flights between Helena and PDX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helena to Portland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Helena to Portland

 
See real verified KAYAK customer reviews for airlines flying from Helena to Portland. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Helena to Portland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11235 reviews
7.1Food
8.1Boarding
8.5Crew
7.8Comfort
7.0Entertainment
Airline reviews

Late. Too long a flight for a 737. 0.5 oz of pretzels for a 5+ hour flight at dinner time. One step above Ryan Air/ several below Delta.

4.0 OkayMichael, Oct 2025BOS - PDX
Read more Alaska Airlines reviews

Late. Too long a flight for a 737. 0.5 oz of pretzels for a 5+ hour flight at dinner time. One step above Ryan Air/ several below Delta.

Once again, Hawaiian Airlines upon checking in for our return flight, told us that we hadn’t paid for our extra comfort seats. This had happened on our incoming flight as well. Hawaiian Airlines had changed our flight and put us in standard seats. I sent them confirmation emails and receipts showing that I had paid for extra comfort seats and they ignored me and refused to accept my proof of payment. I ended up having to pay for our extra comfort seats again. On our return flight, once again, we were told we hadn’t paid for our extra comfort seats, which we had. I argued until a supervisor was summoned and researched further in their system and found that we had paid for them. If I hadn’t insisted, we would’ve been forced to buy our seats again or be assigned a standard seat. This kind of Customer Service is totally unacceptable. I would never use Hawaiian Airlines again if I have a choice.

Flight delay caused me to miss my connecting flight home, but I was put up at a nearby motel, and it was great

My seat. The reprentative on the phone was bad. The passengers screamed at each other and no one stopped them. The directions boarding the plane were unclear. There was a medical incident and the ICU nurse present said the women was having a cardic incident. Cooler heads determined it was a UTI. I had a allergy attack and a guy got a mask from the flight attendent and told me to wear it. He "had kidney failure". Why didnt they tell him to wear the mask, why was he even on the plane? It was embarrassing, he said hurtful things. By the way, I have a degree in Medical Micrbiology from Northwestern Medical school. MT(ASCP). Look it up. I Know the difference between allergies and an infection. But we had to listen to the unstable screaming man.

Wouldve liked a meal option (that you didnt have to prepay for) for such a long flight. But otherwise staff was friendly and boarding/un boarding was as efficient as it could be

The flight attendants were friendly. I liked that I got a mini soda can, not just a small cup. No issues with our flight departure, etc.

The flight was great, unfortunately the Airport sucked at accommodating connection flight. My Mother had to sleep at the airport, making me feel helpless. Unable to determine if I should sleep or drive 3 hours each way to pick her up.

The crew was the best I’ve ever had HOWEVER when we arrived in Salt Lake City there were no Alaskan Airline employees to be found so we weren’t able to leave the plane until ANOTHER airline took pity on us. How could that possible happen?

Alaska is the best! I had my own row, complimentary wine, friendly flight attendants, free texting, and early arrival. Coach felt like 1st class. What more could I ask for?

The flight was good, but your car partner, Wisecars, was worse thane awful. They didn't have an agent nor had they inform me which car rental they were supposed to have issued a voucher.

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

Everything you need to know for your flight from Helena to Portland

Information on your arrival and departure airports

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