Cheap flights from Portland to Helena (PDX - HLN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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

All the information you need to plan the best PDX to HLN flight in 2022: compare Portland to Helena flight prices with the expected peak season, weather and rainfall in Helena.
PDX - HLN
Price
$240 - $588
HLN
Temperature
21.2 - 69.8 °F
HLN
Rainfall
0.3 - 2.1 inches

Popular in

June

High demand for flights, 35% potential price rise

Cheapest in

November

Best time to find cheap flights, 37% potential price drop

Average price

$373

Average for round-trip flights in August 2022

Round-trip from

$240

From Portland to Helena

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Portland to Helena?

The best pricing can be found in the month of November. Prices to Helena from Portland average $383. You can even find prices in November for less than $383, as users have found deals to Helena from as low as $168. The month of June appears to be one of the more expensive times to travel to Helena from Portland. Flying in the targeted month can save you up to 53%.

What is the cheapest day to fly round-trip from Portland to Helena?

Travelers have found that booking a Friday departure is the best way to save up to 48% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Unlike in the evening, when flights are generally more expensive, you can save up to 43% on flights from Portland to Helena by exploring options for tickets at noon.

Cheap flights from Portland to Helena in August, September 2022

The best prices found for PDX to HLN flights for August, September
26 Sep - 1 Oct
$338pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
26 Sep - 1 Oct
$369pp
PDX
Portland
Alaska Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
23 Sep - 26 Sep
$371pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland

Portland to Helena 2022 flight deals

Cheap flights to Helena from Portland found for this year
26 Sep - 1 Oct
$338pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
11 Oct - 19 Oct
$364pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
26 Sep - 1 Oct
$369pp
PDX
Portland
Alaska Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland

Cheap Alaska Airlines flights from Portland to Helena

26 Sep - 1 Oct
$338pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
11 Oct - 19 Oct
$364pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
26 Sep - 1 Oct
$369pp
PDX
Portland
Alaska Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland

Cheap Delta flights from Portland to Helena

25 Sep - 30 Sep
$458pp
PDX
Portland
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
PDX
Portland
18 Aug - 20 Aug
$778pp
PDX
Portland
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
PDX
Portland

Last minute flights from Portland to Helena

Late deals on round-trip flights to Helena from Portland, departing today and this week
18 Aug - 20 Aug
$778pp
PDX
Portland
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
PDX
Portland
16 Aug - 23 Aug
$787pp
PDX
Portland
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland
16 Aug - 23 Aug
$811pp
PDX
Portland
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
PDX
Portland

One-way flights to Helena from Portland

The cheapest one-way flights from Portland to Helena
2:00 am - 9:31 am
Alaska Airlines
1 Stop
6h 31m
PDX - HLN
Alaska Airlines
5:50 pm - 9:31 am
Multiple Airlines
2 Stops
14h 41m
PDX - HLN
Multiple Airlines
$439
Kiwi.com
8:48 pm - 6:27 pm
Delta
2 Stops
20h 39m
PDX - HLN
Delta
$953
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">Helena</span> flights.

Flight FAQs

From Portland to Helena

Which airlines flying from Portland to Helena have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta and Alaska Airlines flying from Portland to Helena have implemented new flexible cancellation policies.

Can I find flights from Portland to Helena for under $400 on Cheapflights?

Yes, there are multiple flights from Portland to Helena for under $400. The cheapest flight booked recently is on Alaska Airlines for just $338, but on average you can expect to pay $455.

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

There are currently 6+ open flights from Portland to Helena within the next 7 days for less than $800.

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

Cheapflights users have booked flights from Portland to Helena round-trip from $338. Other airlines that can offer you cheap pricing are Delta, from $458, and United Airlines, from $609. You may be able to fly from Portland to Helena for 11% less than the average price by searching for these airlines.

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

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $269. Users have also found prices from $389 and $881 on Delta and United Airlines, respectively.

What are the cheapest flights from Portland to Helena?

Looking at all options, your cheapest flight can be booked for $242. While the most popular route (Portland - Helena) can be booked for $458 on average our data indicates $310 when flying from Portland to Helena.

COVID Restrictions

View COVID Travel Restrictions for Helena, MT

Do I need a COVID test to fly to Helena from Portland?

Information is based on travel restrictions for travel to Helena within the United States

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter Helena.

COVID-19 testing requirements
Visitors from Portland are not required to present a negative COVID-19 PCR test or antigen result upon entering Helena.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Helena.

Do I need a test to fly back to Portland from Helena?

Returning to Portland from Helena

COVID-19 testing requirements
Visitors from Helena are not required to present a negative COVID-19 PCR test or antigen result upon entering Portland.

Quarantine requirements
Visitors from Helena are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for Helena, MT

Alternative routes for Portland to Helena

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