Cheap Flights from Helena to Portland
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Flights from Helena to Portland
Find cheap flights from Helena to Portland
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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HLN 16:1118h 42m1 stopsPDX 09:53Helena - Portland | Wed, Jun 4 | Alaska Airlines
PDX 09:305h 1m1 stopsHLN 15:31Portland - Helena | Tue, Jun 10 | Alaska AirlinesUS$294 US$52944% OFF44% OFFUS$529 US$294 -
HLN 05:454h 14m1 stopsPDX 08:59Helena - Portland | Sun, Apr 20 | Delta Air Lines
PDX 17:264h 32m1 stopsHLN 22:58Portland - Helena | Sat, Apr 26 | Delta Air LinesUS$313 US$52941% OFF41% OFFUS$529 US$313 -
HLN 16:194h 3m1 stopsPDX 19:22Helena - Portland | Sun, Apr 20 | Alaska Airlines
PDX 13:154h 34m1 stopsHLN 18:49Portland - Helena | Sat, Apr 26 | Alaska AirlinesUS$316 US$52940% OFF40% OFFUS$529 US$316
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HLN 13:184h 3m1 stopsPDX 16:21Helena - Portland | Fri, Apr 25 | Delta Air Lines
PDX 17:264h 32m1 stopsHLN 22:58Portland - Helena | Sun, Apr 27 | Delta Air LinesUS$33836% OFFUS$529 US$338
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HLN 16:195h 32m1 stopsPDX 20:51Helena - Portland | Mon, Apr 14 | Alaska Airlines
PDX 11:356h 14m1 stopsHLN 18:49Portland - Helena | Tue, Apr 22 | Alaska AirlinesUS$34834% OFFUS$529 US$348
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HLN 13:004h 18m1 stopsPDX 16:18Helena - Portland | Fri, May 30 | Delta Air Lines
PDX 17:004h 16m1 stopsHLN 22:16Portland - Helena | Mon, Jun 2 | Delta Air LinesUS$36531% OFFUS$529 US$365
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HLN 16:195h 32m1 stopsPDX 20:51Helena - Portland | Mon, Apr 21 | Alaska Airlines
PDX 20:4521h 4m1 stopsHLN 18:49Portland - Helena | Sun, Apr 27 | Alaska AirlinesUS$36830% OFFUS$529 US$368
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HLN 16:194h 3m1 stopsPDX 19:22Helena - Portland | Fri, Apr 18 | Alaska Airlines
PDX 20:5920h 50m1 stopsHLN 18:49Portland - Helena | Mon, Apr 21 | Alaska AirlinesUS$38128% OFFUS$529 US$381
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HLN 13:185h 48m1 stopsPDX 18:06Helena - Portland | Fri, Apr 18 | Delta Air Lines
PDX 05:156h 23m1 stopsHLN 12:38Portland - Helena | Mon, Apr 21 | Delta Air LinesUS$41921% OFFUS$529 US$419
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HLN 16:118h 33m1 stopsPDX 23:44Helena - Portland | Wed, Jun 4 | Hawaiian Airlines
PDX 09:305h 1m1 stopsHLN 15:31Portland - Helena | Tue, Jun 10 | Alaska AirlinesUS$42320% OFFUS$529 US$423 -
HLN 13:0017h 25m1 stopsPDX Invalid DateHelena - Portland | Sat, Apr 12 | Normal Airline
PDX 15:006hNonstopHLN 16:00Portland - Helena | Mon, Apr 14 | Normal AirlineFind More FlightsFind More Flights
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HLN 05:454h 14m1 stopsPDX 08:59Helena - Portland | Tue, May 6 | Delta Air LinesUS$128 US$20337% OFF37% OFFUS$203 US$128
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HLN 05:454h 14m1 stopsPDX 08:59Helena - Portland | Tue, Apr 29 | Delta Air LinesUS$129 US$20336% OFF36% OFFUS$203 US$129
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HLN 13:184h 3m1 stopsPDX 16:21Helena - Portland | Wed, Apr 30 | Delta Air LinesUS$129 US$20336% OFF36% OFFUS$203 US$129
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HLN 19:2915h 27m1 stopsPDX 09:56Helena - Portland | Tue, May 6 | Alaska AirlinesUS$14927% OFFUS$203 US$149
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HLN 19:2914h 28m1 stopsPDX 08:57Helena - Portland | Tue, May 6 | Hawaiian AirlinesUS$15026% OFFUS$203 US$150
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HLN 19:2911h 56m1 stopsPDX 06:25Helena - Portland | Tue, Apr 29 | Alaska AirlinesUS$15225% OFFUS$203 US$152
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HLN 16:195h 32m1 stopsPDX 20:51Helena - Portland | Sat, Apr 19 | Alaska AirlinesUS$15722% OFFUS$203 US$157
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HLN 05:454h 14m1 stopsPDX 08:59Helena - Portland | Sat, Apr 26 | Delta Air LinesUS$15922% OFFUS$203 US$159
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HLN 13:014h 14m1 stopsPDX 16:15Helena - Portland | Thu, Jun 5 | Delta Air LinesUS$15922% OFFUS$203 US$159
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HLN 19:2911h 56m1 stopsPDX 06:25Helena - Portland | Sat, Apr 26 | Alaska AirlinesUS$16220% OFFUS$203 US$162
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HLN 13:0017h 25m1 stopsPDX Invalid DateHelena - Portland | Sat, Apr 12 | Normal AirlineFind More FlightsFind More Flights
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Cheapest airlines flights from Helena to Portland
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Frequently Asked Questions
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When are flight tickets from Helena (HLN) to Portland (PDX) the cheapest?
Airlines adjust prices for flights from Helena to Portland based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Helena (HLN) to Portland (PDX) cost?
According to Trip.com's data, the lowest price is around $522.
How to find a cheap flight from Helena to Portland
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Helena to Portland. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Helena to Portland ticket.
Tap "Date" on flight search bar to scan through the calender for Helena to Portland airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, May 6 at US$128 for one-way flights.
Compare cheap Helena to Portland 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 Helena to Portland. The cheapest airline operating is Delta Air Lines.
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By setting up a Price Alert for your Helena to Portland route, you can easily track the price of your airline tickets from Helena to Portland without manually checking every day.
Don't miss cheap Helena to Portland flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
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.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Helena to Portland to get exclusive deals for you.
Helena to Portland Flight Information
| Cheapest one-way flight price | $127 |
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| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 825.61 km |
| Popular airline | Alaska Airlines |
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