Which airports can I use when flying from Portland to Helena?

Flights from Portland to Helena usually depart from Portland (PDX) and arrive at Helena (HLN).

What cabin classes can I book on flights from Portland to Helena?

Only Economy Class is available on flights from Portland to Helena.

Which airports do connecting flights from Portland to Helena pass through?

Connecting flights from Portland to Helena most commonly pass through: • Seattle/Tacoma Intl (SEA) - 76% of one-stop connections • Salt Lake City (SLC) - 24% of one-stop connections

Can I save money by using flexible dates for flights from Portland to Helena?

Yes. Flexible dates can save you up to 49% on flights from Portland to Helena. Saturday is the cheapest departure day at $428 round-trip on average, while Sunday is the most expensive at $830, a difference of $402. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from Portland to Helena?

There are currently no nonstop flights available from Portland to Helena. Flights with 1 layover take between 4h 31m and 4h 36m in total, depending on the connection.

Do I need a passport to fly from Portland to Helena?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Portland to Helena changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $413 to $1,394. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from Portland to Helena looking right now?

One-way fares from Portland to Helena are currently lower than usual. Average one-way flight prices are about $433, which is 15% below the typical average for this route.

How much time can I save by choosing a different layover airport from Portland to Helena?

Flying via Seattle/Tacoma Intl (SEA) gives the shortest average 1-stop total travel time at 4h 31m, compared with 4h 36m via Salt Lake City (SLC).

What is the time difference between Portland and Helena?

Helena is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

How much should I expect to pay for a Portland to Helena flight?

Round-trip flights from Portland to Helena range from $423 to $747, with an average of $540 over the past 12 months. Anything below $423 counts as a good deal.

How much is a round-trip flight from Portland to Helena?

Round-trip flights from Portland to Helena typically range from $423 to $747. The lowest price found in the past 5 days was $413, on Alaska Airlines.

What's the cheapest day of the week to fly from Portland to Helena?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Portland to Helena. It’s 21% cheaper than the average day, while Sunday is the most expensive, with prices 53% higher.

Which airline is the cheapest to fly from Portland to Helena?

Alaska Airlines ($413) and Delta ($443) are the cheapest airlines to fly round-trip from Portland to Helena according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Portland to Helena?

Seattle/Tacoma Intl (SEA) is the most popular layover for the Portland to Helena route. 76% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SEA.

What is the cheapest layover airport when flying from Portland to Helena?

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $579. Based on KAYAK data over the past 3 months.

When flying from Portland to Helena which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for Portland to Helena layovers at 2h 52m over the past 3 months.

$253 CHEAP FLIGHTS from Portland to Helena (PDX - HLN)

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Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$413

Typical prices: $423-$747

Alaska Airlines

Tue 1/30Fri 2/2

PDX - HLN • 1 stop

Cheapest one-way

$253

Typical prices: $402-$517

Delta

Mon 12/31

PDX - HLN • 1 stop

When to travel

February

Cheapest • 32% price drop

August

Most popular

Good to know

Top layover airports

Seattle/Tacoma Intl (SEA)

Cheapest • Avg $579 (round-trip)

Salt Lake City (SLC)

Shortest trip • 4h 36m (one-way)

Insights

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We hope you love your trip to Helena!

Flight Deals

Cheap Flights from Portland to Helena (PDX-HLN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portland to Helena

Sat, Jan 30 - Tue, Feb 2

8:30 am - 4:23 pmPDX Portland-HLN Helena

6h 53m1 stop Seattle/Tacoma Intl

5:00 pm - 11:53 pmHLN Helena-PDX Portland

7h 53m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Wed, Dec 9 - Wed, Dec 16

10:30 am - 4:12 pmPDX Portland-HLN Helena

4h 42m1 stop Seattle/Tacoma Intl

4:49 pm - 11:55 pmHLN Helena-PDX Portland

8h 06m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Tue, Dec 8 - Tue, Dec 15

5:32 pm - 4:12 pmPDX Portland-HLN Helena

21h 40m1 stop Seattle/Tacoma Intl

4:49 pm - 8:54 pmHLN Helena-PDX Portland

5h 05m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Tue, Dec 8 - Sat, Dec 12

5:32 pm - 4:12 pmPDX Portland-HLN Helena

21h 40m1 stop Seattle/Tacoma Intl

4:49 pm - 8:54 pmHLN Helena-PDX Portland

5h 05m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

8:30 am - 4:12 pmPDX Portland-HLN Helena

6h 42m1 stop Seattle/Tacoma Intl

4:49 pm - 7:53 pmHLN Helena-PDX Portland

4h 04m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Tue, Dec 8 - Wed, Dec 16

5:32 pm - 4:12 pmPDX Portland-HLN Helena

21h 40m1 stop Seattle/Tacoma Intl

4:49 pm - 11:55 pmHLN Helena-PDX Portland

8h 06m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Tue, Dec 8 - Sat, Dec 12

2:15 pm - 12:30 pmPDX Portland-HLN Helena

21h 15m2 stops Seattle/Tacoma Intl Salt Lake City

1:10 pm - 8:58 pmHLN Helena-PDX Portland

8h 48m2 stops Salt Lake City Seattle/Tacoma Intl

$443Delta

Mon, Dec 7 - Sat, Dec 12

7:38 pm - 12:30 pmPDX Portland-HLN Helena

15h 52m2 stops Seattle/Tacoma Intl Salt Lake City

1:10 pm - 8:58 pmHLN Helena-PDX Portland

8h 48m2 stops Salt Lake City Seattle/Tacoma Intl

$454Delta

Tue, Dec 8 - Sun, Dec 13

5:59 pm - 12:30 pmPDX Portland-HLN Helena

17h 31m2 stops Seattle/Tacoma Intl Salt Lake City

1:10 pm - 8:33 amHLN Helena-PDX Portland

20h 23m2 stops Salt Lake City Seattle/Tacoma Intl

$468Delta

Thu, Dec 10 - Sat, Dec 12

2:15 pm - 12:30 pmPDX Portland-HLN Helena

21h 15m2 stops Seattle/Tacoma Intl Salt Lake City

1:10 pm - 6:54 pmHLN Helena-PDX Portland

6h 44m2 stops Salt Lake City Seattle/Tacoma Intl

$469Delta

Booking Insights

Price, demand and travel trends for Portland to Helena flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Portland to Helena? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Helena departing in january.
What's the cheapest day of the week to fly from Portland to Helena?: Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Portland to Helena. It’s 21% cheaper than the average day, while Sunday is the most expensive, with prices 53% higher.

Find deals

Low season	November
High season	August
Cheapest flight	$253

Beat the crowds with an average 72% drop in travelers.

The most popular month to fly with an average 69% increase in travelers.

One-way flight from Portland to Helena

When to book flights from Portland to Helena

Are your dates flexible? Find out the best times to travel from Portland to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Portland to Helena?
Only Economy Class is available on flights from Portland to Helena.
How long is a flight from Portland to Helena?
There are currently no nonstop flights available from Portland to Helena. Flights with 1 layover take between 4h 31m and 4h 36m in total, depending on the connection.
Do I need a passport to fly from Portland to Helena?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Portland to Helena flight?
Round-trip flights from Portland to Helena range from $423 to $747, with an average of $540 over the past 12 months. Anything below $423 counts as a good deal.
Have flight prices from Portland to Helena changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $413 to $1,394. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Portland to Helena looking right now?
One-way fares from Portland to Helena are currently lower than usual. Average one-way flight prices are about $433, which is 15% below the typical average for this route.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National
Which airports can I use when flying from Portland to Helena?
Flights from Portland to Helena usually depart from Portland (PDX) and arrive at Helena (HLN).
Which airports do connecting flights from Portland to Helena pass through?
Connecting flights from Portland to Helena most commonly pass through:

• Seattle/Tacoma Intl (SEA) - 76% of one-stop connections
• Salt Lake City (SLC) - 24% of one-stop connections
Can I save money by using flexible dates for flights from Portland to Helena?
Yes. Flexible dates can save you up to 49% on flights from Portland to Helena. Saturday is the cheapest departure day at $428 round-trip on average, while Sunday is the most expensive at $830, a difference of $402.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Portland to Helena?
Flying via Seattle/Tacoma Intl (SEA) gives the shortest average 1-stop total travel time at 4h 31m, compared with 4h 36m via Salt Lake City (SLC).
What is the time difference between Portland and Helena?
Helena is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $428, about $402 less than Sunday fares (48% savings) based on the last 12 months.
If you can choose when to travel, plan your Portland to Helena trip for February. Fares historically average $367 round-trip in that month - typically $463 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.

• La Quinta Inn & Suites by Wyndham Helena
• Baymont by Wyndham Helena
• Home2 Suites By Hilton Helena

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PDX - HLN

$253 Find Cheap Flights from Portland to Helena - Compare and Save

Everything you should know

Cheap Flights from Portland to Helena (PDX-HLN)

Recent round-trip flight deals from Portland to Helena

Recent one-way flight deals from Portland to Helena

Recent last minute flight deals from Portland to Helena

Price, demand and travel trends for Portland to Helena flights

How much is a round-trip flight from Portland to Helena?

What's the cheapest day of the week to fly from Portland to Helena?

Which airline is the cheapest to fly from Portland to Helena?

What’s the most popular layover airport when flying from Portland to Helena?

What is the cheapest layover airport when flying from Portland to Helena?

When flying from Portland to Helena which airport offers the shortest layover?

Key details for Portland to Helena flights

Low season

High season

Cheapest flight

When to book flights from Portland to Helena

Your Portland to Helena flight questions, answered

Your guide to booking Portland to Helena flights

More options for your flight from Portland to Helena

Complete your trip to Helena with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Helena

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