Cheap flights from Helena to Portland (HLN - PDX) from $158

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
HLN — PDX
sep. 26 — oct. 31

How to find the cheapest flight from Helena (HLN) to Portland (PDX)

All the information you need to plan the best HLN to PDX flight in 2023: compare Helena to Portland flight prices with the expected peak season, weather and rainfall in Portland.

Popular in

May

Cheapest in

January

Round-trip from

$278

One-way from

$207
High demand for flights, 34% potential price rise
Best time to find cheap flights, 27% potential price drop
From Helena to Portland
One-way flight from Helena to Portland

HLN - PDX

Price

$278 - $500

PDX

Temperature

41 - 69.8 °F

PDX

Rainfall

0.7 - 5.6 inches

What is the cheapest month to fly from Helena to Portland?

January is one of the best times of the year to fly to Portland from Helena. Prices for January average $481 per person but you can even find prices for as low as $297. The most expensive prices can be found in the month of May. Opting for a January flight can save you 51% on your journey compared to booking in May

When is the cheapest time to fly from Helena to Portland (HLN - PDX)?

When flying from Helena to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from Helena to Portland

Consider these cheap Delta flights we've found departing from Helena to Portland. It's recommended that users confirm their flight details before booking.

Cheap United Airlines flights from Helena to Portland

To aid your search, here are some of the cheapest United Airlines flights we've found from Helena to Portland. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Helena to Portland flights in September & October 2023

The best prices found for HLN to PDX flights for September, October
These are some of the most attractive deals on flights from Helena to Portland in 2023. Check back in a little while for more flight options.

Helena to Portland 2023 flight deals

Cheap flights to Portland from Helena found for this year
These are some of the most attractive deals on flights from Helena to Portland in 2023. Check back in a little while for more flight options.

Helena to Portland flights leaving soon

Late deals on return flights to Portland from Helena, departing today and this week
Have a look at some of the last-minute flights available departing from Helena to Portland. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Portland from Helena

The cheapest one-way flights from Helena to Portland
Take a look at some of the one-way flights we've detected from Helena to Portland. Those needing a return flight from Helena to Portland can use the search form above.

Find flights from Helena to Portland within your budget

Use the slider to find flights from Helena to Portland that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$277 - $644

Route

Depart

Return

Price

HelenaPortland

HLN - PDX

HLNPDX

Helena

vie. 11/10

1 stop6h 06m

Portland

lun. 11/13

1 stop5h 50m

HelenaPortland

HLN - PDX

HLNPDX

Helena

mar. 10/17

1 stop4h 08m

Portland

mié. 10/25

1 stop5h 44m

HelenaPortland

HLN - PDX

HLNPDX

Helena

lun. 11/20

1 stop4h 26m

Portland

lun. 11/27

1 stop4h 08m

HelenaPortland

HLN - PDX

HLNPDX

Helena

vie. 11/10

1 stop28h 51m

Portland

lun. 11/13

2 stops20h 36m

HelenaPortland

HLN - PDX

HLNPDX

Helena

mar. 10/17

2 stops21h 10m

Portland

mié. 10/25

1 stop25h 22m

HelenaPortland

HLN - PDX

HLNPDX

Helena

mar. 10/17

2 stops21h 10m

Portland

mié. 10/25

2 stops28h 11m

HelenaPortland

HLN - PDX

HLNPDX

Helena

mié. 11/22

1 stop26h 11m

Portland

sáb. 11/25

1 stop15h 10m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Portland

To help decide which airline to fly from Helena to Portland, see what other customers have to say about Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Boarding

8.3

Food

7.2

Overall

8.1

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Boarding

8.3

Food

7.2

Overall

8.1

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Delta
7.9
Good
3,016 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Boarding

8.3

Food

7.2

Overall

8.1

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

United Airlines
7.4
Good
1,887 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Boarding

8.3

Food

7.2

Overall

8.1

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Related info for your journey

Useful info, stats and facts about Helena to Portland flights.

Can I find flights from Helena to Portland for under $300 on Cheapflights?

Yes, there are multiple flights from Helena to Portland for under $300. The cheapest flight booked recently is on Delta for just $277, but on average you can expect to pay $473.

Are there last-minute flights available from Helena to Portland for under $800?

There are currently 3+ open flights from Helena to Portland within the next 7 days for less than $800.

What are the cheapest airlines flying from Helena to Portland round-trip?

According to our current data, Delta ($277), and United Airlines ($476) offers the cheapest pricing from Helena to Portland. These flights start at 42% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Helena to Portland one-way?

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $158. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Helena to Portland for a low price.

What does HLN to PDX mean?

Helena Airport is HLN and Portland Airport is PDX. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Alternative routes for Helena to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Helena to Portland

The chart below displays the airlines Cheapflights users traveling from Helena to Portland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$218Average$420FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$316Average$417FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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