HLN - PDX

$198 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 8/19. 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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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$363
Alaska Airlines
Tue 9/29Sat 10/3
HLN - PDX • 1 stop
Cheapest one-way
$198
Delta
Wed 8/19
HLN - PDX • 1 stop
Top airlines
Cheapest • from $363 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Helena and Portland. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $364 (round-trip)
Shortest trip • 4h 53m (one-way)
Insights
Insights
Insights
Insights
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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

Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
5:18 pm - 4:50 pm
HLN
-
PDX
24h 32m
1 stop
Alaska Airlines Logo
6:06 am - 4:11 pm
PDX
-
HLN
9h 05m
1 stop
$363Alaska Airlines
Tue, Sep 8 - Sat, Sep 12
Alaska Airlines Logo
5:18 pm - 10:01 pm
HLN
-
PDX
5h 43m
1 stop
Alaska Airlines Logo
10:45 am - 4:41 pm
PDX
-
HLN
4h 56m
1 stop
$379Alaska Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
5:18 pm - 1:35 pm
HLN
-
PDX
21h 17m
2 stops
Alaska Airlines Logo
5:06 am - 4:11 pm
PDX
-
HLN
10h 05m
1 stop
$397Alaska Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
5:18 pm - 9:07 am
HLN
-
PDX
16h 49m
2 stops
Alaska Airlines Logo
10:51 am - 4:11 pm
PDX
-
HLN
4h 20m
1 stop
$401Alaska Airlines
Tue, Jul 28 - Tue, Aug 4
Alaska Airlines Logo
5:09 pm - 10:25 pm
HLN
-
PDX
6h 16m
1 stop
Alaska Airlines Logo
9:19 am - 4:32 pm
PDX
-
HLN
6h 13m
1 stop
$415Alaska Airlines
Tue, Jul 28 - Tue, Aug 4
Delta Logo
12:55 pm - 10:00 pm
HLN
-
PDX
10h 05m
2 stops
Delta Logo
5:45 am - 12:15 pm
PDX
-
HLN
5h 30m
1 stop
$420Delta
Tue, Sep 8 - Sat, Sep 12
Alaska Airlines Logo
5:18 pm - 1:35 pm
HLN
-
PDX
21h 17m
2 stops
Alaska Airlines Logo
6:20 am - 4:41 pm
PDX
-
HLN
9h 21m
1 stop
$445Alaska Airlines
Wed, Jul 15 - Wed, Jul 22
Delta Logo
5:40 am - 8:37 am
HLN
-
PDX
3h 57m
1 stop
Delta Logo
5:14 pm - 10:39 pm
PDX
-
HLN
4h 25m
1 stop
$450Delta
Sat, Jul 18 - Sat, Jul 25
Alaska Airlines Logo
5:09 pm - 10:25 pm
HLN
-
PDX
6h 16m
1 stop
Alaska Airlines Logo
12:03 pm - 4:32 pm
PDX
-
HLN
3h 29m
1 stop
$485Alaska Airlines
Thu, Jul 30 - Sun, Aug 2
Delta Logo
12:55 pm - 4:09 pm
HLN
-
PDX
4h 14m
1 stop
Delta Logo
5:45 am - 12:15 pm
PDX
-
HLN
5h 30m
1 stop
$487Delta
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.

Which airlines provide the cheapest flights from Helena to Portland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Helena to Portland were found on Alaska Airlines ($363) and Delta ($420).

Which airlines fly non-stop between Helena and Portland?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Helena to Portland.

There is just one airline that flies from Helena to Portland direct and that is Alaska Airlines. The best round-trip deal found from Alaska Airlines for the route is $177.

Good to know

Cheapest flight$198
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 5 days, the lowest price for a flight from Helena to Portland was $198 for a one-way ticket and $363 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?

    SkyTeam is the only airline alliance operating flights between Helena and Portland.

  • 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 $350 and an overall rating of 7.9, 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 7.8.

  • 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.
7.9
Alaska AirlinesOverall score based on 12550 reviews
7.8Comfort
7.0Food
8.1Boarding
7.0Entertainment
8.5Crew
Airline reviews

They lost my bag and 24 hours later have yet to find it

2.0 MediocreAnonymous, Jun 2026
RDM - PDX
Read more Alaska Airlines reviews

They lost my bag and 24 hours later have yet to find it

Long delay, no gate agent at deplaning waited 15 mins at the gate. Baggage claim was wrong carousel and over 20 mins after arrival

Flight delayed Didn’t send second leg of trip itemerary First class was fair, but not great.

Nice to get moved from a middle seat to an aisle seat upon request, but why wasn’t I put in an aisle seat to begin with? The flight was not full.

They called me 2 hours before my original flight from SFO was to depart to let me know it was delayed and that I would miss my connection. They then rebooked on a different flight leaving a half hour earlier to a different connecting airport, so that I would not miss my connection. It all worked out and I arrived at my destination without a problem and 15 minutes earlier than the original flight would have. Nice!

Couldn’t order food for the family because all the good food was unavailable. We opted for bringing something on with us. I also didn’t like that I had to have T-mobile for online movies. Stupid.

Alaska is by far the best airline to fly with 😍

The flight crew home was so, so friendly and HILARIOUS. I’ll keep flying Alaska like I have for the last 30+ years!

Deboarding the plane was chaos. The passengers in the back of the plane started deplaning before the passengers in the middle of the plane could even retrieve their overhead bags. The staff of the plane did nothing to help.

Enforce the one bag rule for carry ons. Don't allow people to have 2 and 3 carry ons. Make baggage gets loaded onto the correct plane. My bag didn't get put onto my last flight so I didn't get it until the next day.

Flight got canceled 4 times, missed my connecting flight due to delays, have to wait to go home tomorrow

Third flight in two months where the crew was not there. Comfort seating does not guarantee overhead bin space. Passengers with children are allowed on the plane first - if you are flying to and from Orlando, this means half the plane has boarded before you get on. And somehow all the bin space is taken up. 3 out of 5 flights have had issues with equipment or procedure. Some of these instances caused the flight to be delayed because of a "nuisance" light. One time it was a bag that had been brought on board but did not belong to anyone so we had to return to the gate. Last night we were told the "AC" on the plane doesn't work well and we're 10th for take off- because the crew was late - and that it will get cool when we're in the air. Not sure if this is usual, but I didn't think flight crew could jump seat in first class. Movie and TV selection has not been refreshed for several months- flying one to two round trips each month easily exhausts the list of content.

Great experience nice pilot very soft and easy landing and take off

We sat on the runway for over an hour before departure. That was unwelcome.

Horrible. Faucet in sink not working, wifi not working. Didn’t bring food or snacks

Flight was delayed before take off and at landing. Baggage took 20 minutes. Flight crew would not serve full soft drink and had to ask multiple times before receiving water.

From checking to boarding, it was a seamless experience. The service agents were so helpful. The flight crew was so pleasant.

Gate agent showed up 20 minutes before boarding and was not at all friendly. Had to take this flight due to the one on the day before being cancelled and any later options were already full with long standby lists. Despite having paid for Delta Comfort seats, Delta did not allow me (or anyone) to choose their seat. The agent assigned them for everyone just prior to boarding. Self seat selection was allowed on the original flight. Flight staff was great - very friendly.

Flight attendants were great. Cheerful, upbeat and friendly. Jet, in particular, was fantastic.

I have Precheck. Flew HPN to DEN and return this past weekend. Delta didn't attach my Precheck number to this trip. So it was waiting in general line especially in Denver. Unavailable.

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

Information on your arrival and departure airports