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Cheap flight deals from Portland to Helena Starting at AED 378

Discover our range of affordable one-way and round-trip flights from Portland to Helena and kick-start your next adventure today!

  • One way
  • Round-trip
      • PDX10:32
        4h 10m
        1 stop
        HLN15:42
        Wed, Mar 12|Portland - Helena|Alaska Airlines
        AED 378AED 1,659
        77% OFF
        77% OFF
        AED 1,659AED 378

        Choose Alaska Airlines flights from Portland to Helena. The one-way connecting flight with Alaska Airlines departs from Portland International Airport on Wed, Mar 12, arriving at Helena Regional Airport. One-way Prices start from AED 378 including taxes and charges.

      • PDX05:55
        5h 43m
        1 stop
        HLN12:38
        Wed, Mar 12|Portland - Helena|Delta Air Lines
        AED 385AED 1,659
        77% OFF
        77% OFF
        AED 1,659AED 385

        Choose Delta Air Lines flights from Portland to Helena. The one-way connecting flight with Delta Air Lines departs from Portland International Airport on Wed, Mar 12, arriving at Helena Regional Airport. One-way Prices start from AED 385 including taxes and charges.

      • PDX17:26
        4h 11m
        1 stop
        HLN22:37
        Sat, Mar 15|Portland - Helena|Delta Air Lines
        AED 632AED 1,659
        62% OFF
        62% OFF
        AED 1,659AED 632

        Choose Delta Air Lines flights from Portland to Helena. The one-way connecting flight with Delta Air Lines departs from Portland International Airport on Sat, Mar 15, arriving at Helena Regional Airport. One-way Prices start from AED 632 including taxes and charges.

      • PDX09:47
        4h 52m
        1 stop
        HLN15:39
        Tue, Apr 1|Portland - Helena|Alaska Airlines
        AED 647
        AED 647

        Choose Alaska Airlines flights from Portland to Helena. The one-way connecting flight with Alaska Airlines departs from Portland International Airport on Tue, Apr 1, arriving at Helena Regional Airport. One-way Prices start from AED 647 including taxes and charges.

      • PDX19:07
        25h 19m
        1 stop
        HLN21:26
        Sat, Mar 15|Portland - Helena|United Airlines
        AED 1,044
        AED 1,044

        Choose United Airlines flights from Portland to Helena. The one-way connecting flight with United Airlines departs from Portland International Airport on Sat, Mar 15, arriving at Helena Regional Airport. One-way Prices start from AED 1,044 including taxes and charges.

      • PDX09:54
        10h 31m
        1 stop
        HLN21:25
        Tue, Apr 1|Portland - Helena|Frontier Airlines
        AED 1,177
        AED 1,177

        Choose Frontier Airlines flights from Portland to Helena. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Tue, Apr 1, arriving at Helena Regional Airport. One-way Prices start from AED 1,177 including taxes and charges.

      • PDX10:32
        4h 10m
        1 stop
        HLN15:42
        Sat, Mar 15|Portland - Helena|Alaska Airlines
        AED 1,228
        AED 1,228

        Choose Alaska Airlines flights from Portland to Helena. The one-way connecting flight with Alaska Airlines departs from Portland International Airport on Sat, Mar 15, arriving at Helena Regional Airport. One-way Prices start from AED 1,228 including taxes and charges.

      • PDX01:00 pm
        3h 5m
        Nonstop
        HLN02:00 pm
        Fri, Feb 28|Portland - Helena|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Portland to Helena flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1270

    Delta Air Lines

    05:55

    PDX

    1.9h

    08:50

    SLC

    SMTWTFS
    Search

  2. DL3880

    Delta Air Lines

    11:00

    SLC

    1.6h

    12:37

    HLN

    SMTWTFS

  3. AS1032

    Alaska Airlines

    06:00

    PDX

    0.9h

    06:53

    SEA

    SMTWTFS
    Search

  4. AS2222

    Alaska Airlines

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS

  5. AS3362

    Alaska Airlines

    09:40

    PDX

    0.9h

    10:37

    SEA

    SMTWTFS
    Search

  6. AS2322

    Alaska Airlines

    13:51

    SEA

    1.5h

    16:23

    HLN

    ------S

  7. AS3362

    Alaska Airlines

    09:40

    PDX

    0.9h

    10:37

    SEA

    SMTWTFS
    Search

  8. AS2222

    Alaska Airlines

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS

  9. HA6325

    Hawaiian Airlines

    10:32

    PDX

    0.9h

    11:27

    SEA

    SMTWTFS
    Search

  10. HA6611

    Hawaiian Airlines

    13:10

    SEA

    1.5h

    15:42

    HLN

    SMTWTFS

  11. AS2229

    Alaska Airlines

    10:32

    PDX

    0.9h

    11:27

    SEA

    SMTWTFS
    Search

  12. AS2222

    Alaska Airlines

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS

  13. AS970

    Alaska Airlines

    11:15

    PDX

    1.0h

    12:16

    SEA

    SMTWTFS
    Search

  14. AS2322

    Alaska Airlines

    13:51

    SEA

    1.5h

    16:23

    HLN

    ------S

  15. AS970

    Alaska Airlines

    11:15

    PDX

    1.0h

    12:16

    SEA

    SMTWTFS
    Search

  16. AS2222

    Alaska Airlines

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS

  17. AS910

    Alaska Airlines

    13:25

    PDX

    1.0h

    14:26

    SEA

    SMTWTFS
    Search

  18. AS2222

    Alaska Airlines

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS

  19. DL1244

    Delta Air Lines

    17:20

    PDX

    1.9h

    20:15

    SLC

    SMTWTFS
    Search

  20. DL3839

    Delta Air Lines

    21:05

    SLC

    1.5h

    22:35

    HLN

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Portland to Helena?

These price trend charts carefully monitor and predict how flight prices from Portland to Helena will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Portland (PDX) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from Portland to Helena based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Portland (PDX) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around AED 1,515.

  • How many airports are there in Helena (HLN)?

    There are 1 airport(s) near Helena (HLN): Helena Regional Airport.

How to find a cheap flight from Portland to Helena

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Being flexible with your dates to get the cheapest Portland to Helena ticket.
Tap "Date" on flight search bar to scan through the calender for Portland to Helena airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Mar 12 at AED 378 for one-way flights.
2
Compare cheap Portland to Helena flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Portland to Helena. The cheapest airline operating is Alaska Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Portland to Helena route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Portland to Helena flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Portland to Helena to get exclusive deals for you.

Flight Info | Portland to Helena

Cheapest direct flight priceAED 378
Off-season for travelMarch
Peak season for travelFebruary
Flight distance825.61 km
Popular airlineAlaska Airlines

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