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Helena Regional Airport to Portland International Airport flight

Explore the cheapest one-way and round-trip flights from Helena Regional Airport to Portland International Airport over the next 90 days, with one-way fares from THB 8,130 and round-trip from THB 14,920. Based on Trip.com's latest 7-day flight data.

    • HLN 7:15 AM
      5h 48m
      1 stop
      PDX 12:03 PM
      Helena - Portland | Sun, Nov 1 | Delta Air Lines
      PDX 5:33 AM
      5h 55m
      1 stop
      HLN 12:28 PM
      Portland - Helena | Mon, Nov 9 | Delta Air Lines
      THB 14,920 THB 50,330
      70% off
      70% off
      THB 50,330 THB 14,920
    • HLN 5:26 PM
      5h 30m
      1 stop
      PDX 9:56 PM
      Helena - Portland | Fri, Nov 6 | Alaska Airlines
      PDX 12:18 PM
      3h 31m
      1 stop
      HLN 4:49 PM
      Portland - Helena | Fri, Nov 13 | Alaska Airlines
      THB 15,310 THB 50,330
      70% off
      70% off
      THB 50,330 THB 15,310
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Wed, Nov 4 | Delta Air Lines
      PDX 5:15 PM
      4h 9m
      1 stop
      HLN 10:24 PM
      Portland - Helena | Mon, Nov 9 | Delta Air Lines
      THB 15,880 THB 50,330
      68% off
      68% off
      THB 50,330 THB 15,880
    • HLN 7:15 AM
      17h 32m
      1 stop
      PDX 11:47 PM
      Helena - Portland | Tue, Nov 3 | Delta Air Lines
      PDX 5:33 AM
      5h 55m
      1 stop
      HLN 12:28 PM
      Portland - Helena | Wed, Nov 4 | Delta Air Lines
      THB 22,070
      56% off
      THB 50,330 THB 22,070
    • HLN 6:25 AM
      9h 40m
      1 stop
      PDX 3:05 PM
      Helena - Portland | Fri, Oct 30 | United Airlines
      PDX 10:43 AM
      9h 25m
      1 stop
      HLN 9:08 PM
      Portland - Helena | Fri, Nov 6 | United Airlines
      THB 24,250
      52% off
      THB 50,330 THB 24,250
    • HLN 2:30 PM
      9h 23m
      1 stop
      PDX 10:53 PM
      Helena - Portland | Sun, Nov 1 | United Airlines
      PDX 10:43 AM
      9h 25m
      1 stop
      HLN 9:08 PM
      Portland - Helena | Mon, Nov 9 | United Airlines
      THB 24,250
      52% off
      THB 50,330 THB 24,250
    • HLN 7:15 AM
      6h 23m
      1 stop
      PDX 12:38 PM
      Helena - Portland | Thu, Oct 29 | Delta Air Lines
      PDX 5:33 AM
      5h 55m
      1 stop
      HLN 12:28 PM
      Portland - Helena | Mon, Nov 2 | Delta Air Lines
      THB 25,600
      49% off
      THB 50,330 THB 25,600
    • HLN 1:07 PM
      11h 44m
      1 stop
      PDX 11:51 PM
      Helena - Portland | Sat, Dec 19 | Delta Air Lines
      PDX 5:35 AM
      5h 55m
      1 stop
      HLN 12:30 PM
      Portland - Helena | Sun, Dec 27 | Delta Air Lines
      THB 28,450
      43% off
      THB 50,330 THB 28,450
    • HLN 7:15 AM
      5h 48m
      1 stop
      PDX 12:03 PM
      Helena - Portland | Mon, Nov 2 | Delta Air Lines
      PDX 5:35 AM
      5h 53m
      1 stop
      HLN 12:28 PM
      Portland - Helena | Fri, Nov 6 | Delta Air Lines
      THB 31,640
      37% off
      THB 50,330 THB 31,640
    • HLN 1:00 PM
      17h 25m
      1 stop
      PDX 2:00 PM
      Helena - Portland | Sun, Oct 25 | Normal Airline
      PDX 3:00 PM
      6h
      Nonstop
      HLN 4:00 PM
      Portland - Helena | Tue, Oct 27 | Normal Airline
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    • Cheapest
      HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Thu, Nov 5 | Delta Air Lines
      THB 8,130 THB 40,300
      80% off
      80% off
      THB 40,300 THB 8,130
    • HLN 5:26 PM
      5h 30m
      1 stop
      PDX 9:56 PM
      Helena - Portland | Mon, Oct 26 | Alaska Airlines
      THB 9,610 THB 40,300
      76% off
      76% off
      THB 40,300 THB 9,610
    • HLN 5:26 PM
      6h 36m
      1 stop
      PDX 11:02 PM
      Helena - Portland | Wed, Oct 28 | Alaska Airlines
      THB 9,620 THB 40,300
      76% off
      76% off
      THB 40,300 THB 9,620
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Wed, Oct 28 | Delta Air Lines
      THB 11,380
      72% off
      THB 40,300 THB 11,380
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Sun, Nov 8 | Delta Air Lines
      THB 11,570
      71% off
      THB 40,300 THB 11,570
    • HLN 7:15 AM
      6h 19m
      1 stop
      PDX 12:34 PM
      Helena - Portland | Mon, Oct 26 | Delta Air Lines
      THB 13,040
      68% off
      THB 40,300 THB 13,040
    • HLN 7:15 AM
      6h
      1 stop
      PDX 12:15 PM
      Helena - Portland | Sat, Oct 24 | Delta Air Lines
      THB 13,190
      67% off
      THB 40,300 THB 13,190
    • HLN 5:26 PM
      5h 30m
      1 stop
      PDX 9:56 PM
      Helena - Portland | Thu, Oct 29 | Alaska Airlines
      THB 15,680
      61% off
      THB 40,300 THB 15,680
    • HLN 6:25 AM
      15h 45m
      1 stop
      PDX 9:10 PM
      Helena - Portland | Mon, Oct 26 | United Airlines
      THB 15,980
      60% off
      THB 40,300 THB 15,980
    • HLN 1:00 PM
      17h 25m
      1 stop
      PDX 2:00 PM
      Helena - Portland | Sun, Oct 25 | Normal Airline
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    • HLN 5:26 PM
      5h 30m
      1 stop
      PDX 9:56 PM
      Helena - Portland | Mon, Oct 26 | Alaska Airlines
      THB 9,610 THB 40,300
      76% off
      76% off
      THB 40,300 THB 9,610
    • HLN 5:26 PM
      5h 30m
      1 stop
      PDX 9:56 PM
      Helena - Portland | Thu, Oct 29 | Alaska Airlines
      THB 15,680 THB 40,300
      61% off
      61% off
      THB 40,300 THB 15,680
    • HLN 7:15 AM
      6h
      1 stop
      PDX 12:15 PM
      Helena - Portland | Sat, Oct 24 | Delta Air Lines
      THB 13,190 THB 40,300
      67% off
      67% off
      THB 40,300 THB 13,190
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Thu, Nov 5 | Delta Air Lines
      THB 8,130
      80% off
      THB 40,300 THB 8,130
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Wed, Oct 28 | Delta Air Lines
      THB 11,380
      72% off
      THB 40,300 THB 11,380
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Sun, Nov 8 | Delta Air Lines
      THB 11,570
      71% off
      THB 40,300 THB 11,570
    • HLN 1:08 PM
      6h 4m
      1 stop
      PDX 6:12 PM
      Helena - Portland | Thu, Oct 29 | Delta Air Lines
      THB 28,210
      30% off
      THB 40,300 THB 28,210
    • HLN 7:15 AM
      6h 19m
      1 stop
      PDX 12:34 PM
      Helena - Portland | Mon, Oct 26 | Delta Air Lines
      THB 13,040
      68% off
      THB 40,300 THB 13,040
    • HLN 5:26 PM
      6h 36m
      1 stop
      PDX 11:02 PM
      Helena - Portland | Wed, Oct 28 | Alaska Airlines
      THB 9,620
      76% off
      THB 40,300 THB 9,620
    • HLN 1:00 PM
      17h 25m
      1 stop
      PDX 2:00 PM
      Helena - Portland | Sun, Oct 25 | Normal Airline
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Displayed flight fares from Helena to Portland are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Helena Regional Airport to Portland International Airport?

The cheapest airline flying from Helena Regional Airport to Portland International Airport is Delta Air Lines (from THB 7,760) among 2 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From THB 7,760
United Airlines
From THB 13,710

Find more flights and airlines

What is the flight schedule from Helena Regional Airport to Portland International Airport?

Check the schedule for flights from Helena to Portland and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL3880

    Helena Regional Airport

    12:50 PM

    HLN

    1h 36m

    Nonstop

    2:26 PM

    SLC

    S M T W T F S
    Search

  2. DL1244

    Salt Lake City International Airport

    3:25 PM

    SLC

    2h 2m

    Nonstop

    4:27 PM

    PDX

    S M T W T F S

  3. DL3901

    Helena Regional Airport

    7:00 AM

    HLN

    1h 30m

    Nonstop

    8:30 AM

    SLC

    S M T W T F S
    Search

  4. DL1209

    Salt Lake City International Airport

    11:35 AM

    SLC

    2h 4m

    Nonstop

    12:39 PM

    PDX

    S M T W T F S

  5. DL3880

    Helena Regional Airport

    12:50 PM

    HLN

    1h 36m

    Nonstop

    2:26 PM

    SLC

    S M T W T F S
    Search

  6. DL1238

    Salt Lake City International Airport

    5:10 PM

    SLC

    2h 6m

    Nonstop

    6:16 PM

    PDX

    S - - - - - S

  7. UA5911

    Helena Regional Airport

    2:36 PM

    HLN

    2h 9m

    Nonstop

    4:45 PM

    DEN

    S M T W T F S
    Search

  8. UA498

    Denver International Airport

    7:05 PM

    DEN

    2h 44m

    Nonstop

    8:49 PM

    PDX

    S M T W T F S

  9. DL3880

    Helena Regional Airport

    12:50 PM

    HLN

    1h 36m

    Nonstop

    2:26 PM

    SLC

    S M T W T F S
    Search

  10. DL2817

    Salt Lake City International Airport

    3:35 PM

    SLC

    2h 18m

    Nonstop

    4:53 PM

    SEA

    S M T W T F S

  11. DL3997

    Seattle Tacoma Intl. Airport

    7:45 PM

    SEA

    1h 5m

    Nonstop

    8:50 PM

    PDX

    S M T W T - S

  12. UA4660

    Helena Regional Airport

    6:30 AM

    HLN

    2h 11m

    Nonstop

    8:41 AM

    DEN

    S M T W T F S
    Search

  13. UA2455

    Denver International Airport

    1:25 PM

    DEN

    2h 41m

    Nonstop

    3:06 PM

    PDX

    - - - - T F -

  14. UA5911

    Helena Regional Airport

    2:36 PM

    HLN

    2h 9m

    Nonstop

    4:45 PM

    DEN

    S M T W T F S
    Search

  15. UA1770

    Denver International Airport

    8:59 PM

    DEN

    2h 39m

    Nonstop

    10:38 PM

    PDX

    - - T W T - S

  16. DL3880

    Helena Regional Airport

    12:50 PM

    HLN

    1h 36m

    Nonstop

    2:26 PM

    SLC

    S M T W T F S
    Search

  17. DL1373

    Salt Lake City International Airport

    10:45 PM

    SLC

    2h 6m

    Nonstop

    11:51 PM

    PDX

    S M T W T F S

  18. UA4660

    Helena Regional Airport

    6:30 AM

    HLN

    2h 11m

    Nonstop

    8:41 AM

    DEN

    S M T W T F S
    Search

  19. UA1337

    Denver International Airport

    3:58 PM

    DEN

    2h 53m

    Nonstop

    5:51 PM

    PDX

    S M T W T F S

  20. UA4660

    Helena Regional Airport

    6:30 AM

    HLN

    2h 11m

    Nonstop

    8:41 AM

    DEN

    S M T W T F S
    Search

  21. UA616

    Denver International Airport

    9:50 AM

    DEN

    2h 52m

    Nonstop

    11:42 AM

    SFO

    S M T W - - S

  22. UA1811

    San Francisco Intl. Airport

    7:10 PM

    SFO

    1h 51m

    Nonstop

    9:01 PM

    PDX

    S M T W - - S
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About Helena Regional Airport and Portland International Airport

Learn about Helena Regional Airport (HLN) and Portland International Airport (PDX) — including location, terminals, transportation, and travel tips.

Flight distance 825.63 km
Cheapest one-way ticket price THB 8,130
Cheapest return ticket price THB 14,920

FAQs for Helena Regional Airport to Portland International Airport Flights

  • What is the flight schedule from Helena Regional Airport to Portland International Airport?

    The earliest flight from Helena Regional Airport to Portland International Airport departs at 21:00, and the last departs at 21:00, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • One-way flights from Helena Regional Airport to Portland International Airport currently start from THB 8,130, and round-trip fares start from THB 14,920. The current lowest fare is a Delta Air Lines flight departing on Thu, Nov 5; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Helena Regional Airport to Portland International Airport, with an average flight time of 21 minutes, and around 0 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Helena Regional Airport to Portland International Airport is THB 20,760. Prices may vary depending on the departure date, airline, and availability.
  • Helena Regional Airport to Portland International Airport operates around 1 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Helena Regional Airport and Portland International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.