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Cheap flights from Helena (HLN) to Portland (PDX)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Helena (HLN) to Portland (PDX)

How to find the cheapest flight from Helena (HLN) to Portland (PDX)
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How to find the cheapest flight from Helena (HLN) to Portland (PDX)
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How to find the cheapest flight from Helena (HLN) to Portland (PDX)
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Cheap flights from Helena to Portland in July , August 2026

31 Jul - 26 Aug $ 625.00
HLN
Helena
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
HLN
Helena
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31 Jul - 09 Aug $ 822.00
HLN
Helena
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
HLN
Helena
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29 Jul - 09 Aug $ 1,145.00
HLN
Helena
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
HLN
Helena
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Last minute flights from Helena to Portland

28 Jul - 31 Jul $ 1,035.00
HLN
Helena
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
HLN
Helena
Pick dates
28 Jul - 31 Jul $ 1,035.00
HLN
Helena
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
HLN
Helena
Pick dates
29 Jul - 31 Jul $ 1,335.00
HLN
Helena
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
HLN
Helena
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One-way flights to Portland from Helena

5:09 PM - 9:28 PM
Alaska Airlines
1 Stops
6h 16m
HLN - PDX
$ 431
Kiwi
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5:09 PM - 8:25 PM
Alaska Airlines
1 Stops
5h 13m
HLN - PDX
$ 519
Kiwi
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5:09 PM - 6:59 PM
Alaska Airlines
1 Stops
3h 45m
HLN - PDX
$ 754
Kiwi
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How to find the cheapest flight from Helena (HLN) to Portland (PDX)

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How to find the cheapest flight from Helena (HLN) to Portland (PDX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Helena (HLN) to Portland (PDX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.